STATUS REPORT FOR PERIOD 1 FEBRUARY 28 FEBRUARY 1970 U.S. GOVERNMENT CONTRACT(SANITIZED)

• Document Type: CREST
• Collection: NGA Records (Formerly NIMA)
• Document Number (FOIA) /ESDN (CREST): CIA-RDP79B00873A001300010017-2
• Release Decision: RIPPUB
• Original Classification: K
• Document Page Count: 38
• Document Creation Date: December 28, 2016
• Document Release Date: August 29, 2012
• Sequence Number: 17
• Publication Date: February 1, 1970
• Content Type: REPORT

Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300610017-2
Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010017-2
1,1 Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010017-2
STATUS REPORT
for Period
1 February through 28 February 1970
U. S. GOVERNMENT
STAT
STAT
)19
Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010017-2
Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010017-2
Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010017-2
STAT
L't
CI
'om
I n
1
?=
Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010017-2
This document is presented as the Monthly
Status Report under Contract to the U. S.
Government,
The report period represented herein covers
the period 1 February through 28 February 1970.
STAT
rz ?
I Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010017--2
STAT
Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010017-2
INDEX
F1,
Page
0
Program Status Summary 1
:II Task 11 Stage Drives T11 - 1 & 2
Task 12 Film Drive and Transport System T12 - 1
F
1=. Task 16, Viewing Optics, Viewing Illumination,
17 & 18 Reticle Projector and Illumination T16, l.7 & 18
7
L=i Task 22 Interferometer Assembly T22 - .1
r0 Task 24 Image Analysis System T24 - 1
Task 25 Overall System Logic T25 - 1,2,3, & 4
:1 Task 32 Computer T32 - 1
a:1
J
f7 Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010017-2
Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010017-2
APPENDICES
Diagnostic Computer
Tapes
Appendix I
Trip Report
Appendix II
STAT
Photographs Taken
Appendix III
STAT
IDeclassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010017-2
pi Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010017-2
PROGRAM STATUS SUMMARY
Scheduled Percentage of Completion
Actual Percentage this Date
85.0
80.9
The program schedule has slipped one week since
the schedule of December 1, 1969. This is due to difficulties with
the checkout of the optical assemblies.
The anticipated shipping date from Paris, France
to Berkeley, California has thus changed from April 21 to April 28,
1970. Every attempt will be made to recover the time, but it is
presently too early to predict if this can be done.
A meeting is scheduled for March 9, 1970 with
the Image Analysis equipment supplier. It is presumed that
difficulties with their acceptance test procedures will be resolved
at that time. There is no indication at this time of a schedule
slippage due to this situation.
j
fl
n Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010017-2
Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010017-2
- TASK 11
STAGE DRIVES
j
Scheduled percentage of completion 100%
Actual percentage this date 95%
Work is proceeding on the final servo loop compen-
sation for the stage drives. A compensation network utilizing a limited
bandwidth rate loop and a position loop containing an additional inter-
grator has been constructed and tested.
The steady state accuracy of this system appears to
be well within specification. However, due to the limited bandwidth
of the rate loop, it was found that the system stiffness at frequencies
above 1Hz is somewhat marginal. This is evident in operation by the
presence of velocity jitter at very low speeds and fairly large overshoots
during prepositioning operations or rapid movement of the joystick
control.
A second compensation system utilizing a relatively large
bandwidth rate loop with a current limit in the servo amplifier is being
attempted in order to improve the system stiffness but thus far the results
have not yielded a stable position control system. The need for either
limiting the rate loop response or limiting the current supplied to the
servo motor (in effect limiting the motor torque) arises from the fact.
that the stage assembly can only tolerate certain acceleration levels.
The original design of the stage was for 10"/sec2 acceleration limit but
T11 - 1
7 Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010017-2
Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010017-2
it has been found that the system will tolerate 32"/sec2 accelerations.
Due to the extremely high gain of this servo system v(over
10 million at DC) it is fairly difficult to restrict the bandwidth of the
various loops without introducing excessive phase shifts.
In investigating possible mechanical improvements to
correct the undesirable servo compensation conditions; the tightness
of the coupling between the motor and the tachometer has become suspect.
This situation has not been resolved as yet but no basic difficulty in
making suitable corrections is anticipated.
T11 - 2
Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010017-2
Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010017-2
?=.1
r-
TASK 12
FILM DRIVE AND TRANSPORT SYSTEM
Scheduled percentage of completion 100%
Actual percentage this date 95%
Work associated with replacing the microswitch assemblies
for more accurate units to sense the dancer arm position continued during
this report period.
T12 - 1
Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010017-2
Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010017-2
r-
t"-
TASKS 16, 17 & 18
? VIEWING OPTICS, VIEWING ILLUMINATION,
RETICLE PROJECTOR and ILLUMINATION
Scheduled percentage of completion 96%
Actual percentage this date
? The optical subcontractor,
has completed the fabrication of the Stereocomparator optical assembly.
Their work presently consists of checking out the optical
electromechanical subassemblies as installed in their acceptance test
fixture.
95% ?
The preliminary results show that the resolution at 200X
magnification is of the order of 1,000 line pairs per mm and the light level
at the eyepieces exceeds the anticipated values.
The acceptance tests of the optical assembly, is scheduled
to begin on March 23, 1970.
The latest trip report of the coordinator to
is included in Appendix II.
Four photographs showing the
acceptance test
fixtures and some of the optical subassemblies in their housings are
included in Appendix III.
T16, 17 & 18 - 1
STAT I
SSTAT
STAT
ri Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010017-2
Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010017-2
TASK 22
INTERFEROMETER ASSEMBLY
Scheduled percentage of completion 100%
1 Actual percentage this date 75%
In
? L:L.1:
The new interferometer circuit boards mentioned in the
last monthly report have now been fabricated and test satisfactory.
The photo field effect transistors appear to have some
roll-off in their response at high frequencies (corresponding to high
stage speeds) due to internal capacitance. This high frequency roll-
off is being remedied by appropriate circuit network compensation.
Adjustment of the interferometer measuring systems is
proceeding.
In the previous report, a method of eliminating the return
beam from the interferometer to the laser by means of extending the path
length of the laser beam was described. A set of corner cube retro-
reflectors has been obtained and installed and it was found that greatly
improved results were obtained. However, in order to restrict the
angular deviation of the return beam to within limits acceptable for measur-
ing accuracy and to still prevent the return beam from reentering the laser,
it appears that two passes through retrore4ectors would be required due
to the limited space available on the stage for mounting such a system.
It should be noted that the coherence of the light was not
adversely affected by the passage of the laser beam through the corner
cube retroreflectors-.
T22 - 1
fl Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010017-2
Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010017-2
Task 24
IMAGE ANALYSIS SYSZEM
Scheduled percentage of completion 95%
Actual percentage this date
95%
The Image Analysis System hardware has been manu-
factured by Itek and has been tested by them using unapproved
test procedures.
Because of this,
STAT
has not at this time accepted the STAT
equipment and a meeting has been scheduled for March 9, 1970, to
resolve the difficulty.
The meeting is to be held at the
and will include the Itek engineering personnel most knowledgeable
about the problem.
STAT
1
T24 - 1
7 Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010017-2 '
1=J
11:=1
Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010017-2
TASK 25
OVERALL SYSTEM LOGIC
Scheduled percentage of completion 85%
Actual percentage this date 85%
In checking out the stage drives, it was found that
the system used for operation of the track balls and joystick controls
in the manual operating mode was unsatisfactory.
As originally designed, the system utilized a 320 Hz
clock which strobed the joystick and the track ball commands into the
stage position countdown register on a continuous basis. It was found
that this caused the stage system to operate in an essentially open
loop manner, in that if the joystick was in its zero position (no commands
being generated) and no track ball pulses were being generated, the
clock caused,a string of binary zeros to be loaded into the countdown
register 120 times a second. If the stage happened to drift in position
during one of the intervals between the clock pulses, any error signal
thus accumulated would be cancelled by this strobing action of the clock.
Thus, the stage in effect had a position memory which extended in time for
only 1/120 of a second and it was possible for the stage to drift away from
its set position.
This was remedied for the case of the joystick by arranging
gating on the clock signal so that the clock was enabled only if the joy-
stick is moved off center and a motion of the stage is commanded. Thus,
T25 - 1
F Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010017-2
7 Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010017-2
if the joystick is not deflected from its center position, no clock pulses
are passed to the countdown register and the stage operates in a closed
position loop configuration and will retain the desired position indefinitely.
This same gating arrangement was tried on the track balls
and it was found that somewhat erratic operation occurred due to the
nature of the track ball system. As presently connected, the track ball
consists of incremental encoders which generate a number of pulses per
turn of the track ball which are accumulated in a special counter register
and strobed by the 120 Hz clock into the countdown register. Thus, it
can be seen that as originally constructed the track balls suffer from the
same open loop characteristic as the joystick.
Gating was installed such that unless a track ball pulse was
generated in the interval between successive 120 Hz clock pulses no
strobing into the countdown register mould occur. Thus, with the track
ball stationary, the closed position loop is maintained.
Unfortunately, it was found that the low speeds track ball
pulses occur only once in a number of clock periods, since the strobing
of the clock is dependent on the occurence of a track ball pulse. The
net result was effectively a variable frequency clock rate. For example,
if the track balls were turned at a rate to generate a pulse every 30th of
a second, strobing into the countdown register would occur at a 30 times
per second rate (every 4th clock pulse). If the track ball pulses occur
at a 15 per second rate, then the strobing also occurs at a 15 per second
rate, etc. Thus, it can be seen that at low speeds the clock rate will
fall down to frequencies within the pass band of the servo system and
T25 - 2
rir Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010017-2
Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010017-2
will cause erratic uttering of the stage. This was verified by mounting
a microscope in such a manner that motion of the stage could be observed
at high magnifications.
Additionally, it was found that, in the fine control position
of the track ball scale factor pushbuttons, the somewhat limited band-
width of the stage servo system (6 Hz) caused the relatively low input
signals to the countdown register (represented by small binary numbers)
to be cancelled by the clock before the stage could react to them.
It should be pointed out that the conditions described above
are not present in the automatic modes of operation of the machine since
the computer system retains the position of the stage at all times by means
of a separate register and can generate error signals for the countdown
register based on the summation of all of the track ball and joystick
inputs up to the current point in time.
However, since it is necessary for the operator of the
Stereocomparator to be able to accurately position the measuring stages
for location of 'various fudicial and reference points, a design revision
is in progress to improve the operation of the system in the track ball
mode.
Presently under consideration is a method whereby the track
ball pulses are not accumulated in a register and periodically strobed in
a parallel fashion into the countdown register, but rather are fed serially
into the front and reverse counting lines which are identical to those fed
by the interferometer units. No clock would be involved in this case and
the track ball would accumulate counts in the countdown register and the
interferometer system would cause the counts to be counted off, thus
returning the countdown register to a zero point.
T25 - 3
Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010017-2
EDeclassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010017-2
It is necessary that foolproof anticoincidence circuitry be
installed so that a count up signal from the track ball can not coincide
with a countdown signal from the interferometer. This circuitry is
being worked out.
As explained above, the A/D conversion of the joystick
potentiometer voltages and parallel strobing of the resulting binary
numbers into the countdown register was found satisfactory after the
clock lockout was installed for the zero deflection state of the joystick.
All of the above work is proceeding and it is expected that
definitive results will be obtained during the next report period.
Final debugging of the digital logic is nearly complete
with only minor timing and wiring problems requiring attention.
In particular, it was found that some of the forward/backward
counters used as countdown registers and stage positioning indicators
for the computer system required pullup resistors in order to improve the
risetime desired of the various flipflops and gates within the counters
so that asynchronous clocking by the computer with respect to the
interferometer systems would not cause errors in the counters.
It is expected that the electronic systems will be complete
and ready for installation of the optics by the time the optics arrive and
final tests can be made with the optics in place and the computer program
operating.
T25 - 4
F Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010017-2-
7 Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010017-2
fl
; Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010017-2
TASK 32 ,
COMPUTER
Scheduled percentage of completion 100%
Actual percentage this date
100% ?
Suggestions fot increasing the available memory storage
for the Honeywell 516 computer in the Stereocomparator have been
discussed with the customer representatives in meetings
An increase in core memory was felt to be the most
advantageous method since it would have the greatest long term flexi-
bility and, at the same time, would solve the present need,for minimiz-
ing the use of the punched paper tape for changing the program as the
photography is changed on the film platens.
The core memory addition would also provide a proper
means for operation of the diagnostic computer programs required for
routine calibration and routine service. This diagnostic program
requirement for memory storage is very important to the long term
economics of the operation of the Stereocomparator.
concurred with the customer representatives in their
recommendation of a 16,000 word increase in the computer memory.
An outline of the Diagnostic Computer Tape requitement
is included in Appendix I.
T32 - 1
STAT
STAT
Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010017-2
Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010017-2
Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010017-2
Job 342
Appendix I
DIAGNOSTIC COMPUTER TAPES
This proposal envisions two series of diagnostic computer program
aids in connection with the preventive maintenance and calibration checkout
Tail< 3
plans for the Stereocomparator.
A. Preventive Maintenance
The purpose of this computer program tape is to
provide a rapid and controlled routine means for operating
all computer directable elements of the Stereocomparator
system on an individual basis.
In addition the tape would direct the maintenance
technician through a teletype printout to perform necessary
functions requiring operator attention.
This programmed information would include manual
tasks not necessarily associated with the computer operated
functions of the Stereocomparator.
The computer tape would exercise all the mechanical
moving subassemblies throughout their ranges at a variety of
speeds.
The technician would be required to observe the
performance of the position readout instruments on the control
console and visually inspect the operation of the optical system
through the eyepieces and directly observe the operation of
the various electro-mechanical drives.
This computer program would not include calibration
data.
The computer aspect of the testing would be to
initialize an optical parameter by reading the respective
potentiometer, execute a command and then read the resulting
potentiometer output.
App. I - 1
r Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010017-2
Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010017-2
-
^
1=0
F
The difference in potentiometer value between predicted
and actual would represent drift in the digital/analog con-
verters or the servo system as a whole.
The potentiometer values and the specific parameter under
inspection would be printed out on the teletype.
B. Calibration Checkout
The purpose of this computer program tape is to provide
the operator of the Stereocomparator with a means of rapidly
and readily determining if the instrument is in calibration.
The tape would be used with a standardized pair of
Stereophotographs where all the necessary parameters were
known.
The prepositioning.system would be used to select the
specific points of interest on the photographs where the
standardization had been previously performed.
As each point is reached the computer-read optical para-
meters will be printed out on the teletype.. These values will
then be compared by the computer with the correlator error
signals. These offset values will be printed out on the teletype
for review by the operator.
The operator will also look through the eyepieces to determine
that the photographs represent optimum stereoviewing.
The measuring system on the stages will be checked out
by remeasuring the selected measurement points on the standard-
ized photographs.
C. Parameters To Be Checked On The Following Subassemblies
1. Illumination level constant with change in magnification.
2. Illumination level varies with change in film density.
3. Reticle size remains constant with change in magnification or
change in anamorph ratio. This is at various degrees of image
rotation.
4. Reticle spot size selection from the control console.
App. I - 2
Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010017-2
Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A00130001001.7-2
7
5. Reticle spot color selection from the control console.
6. Reticle spot illumination level selection from the control
console.
7. Illumination level selection from the control console.
8. Illumination level selection from the eyepiece block.
9. Illumination color selection from the eyepiece block.
10. Operation of excess illumination eye safety shutters in
the eyepiece block.
11. Operation of anamorph optics.
12. Operation of magnification optics.
13. Operation of image rotator.
14. Operation of anamorph rotator.
15. Operation of stages and laser interferometer system.
16. Operation of correlator.
17. Operation of digital to analog and analog to digital
converters.
18. Operation of servo systems.
19. Operation of control console manual controls.
20. Operation of optical parameter readou,t instruments on the
control console.
21. Operation of the individual eyepiece adjustments.
22. Operation of the eyepiece switching at the eyepiece block.
23. Operation of the electronic system as a whole.
24. Operation of the film handling equipment including vacuum
clamping and:stage positioning for film loading.
25. Checkout of control console as a whole.
26. Objective switching.
App. I - 3
n Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010017-2
Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010017-2
Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010017-2
Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010017-2
Appendix II
rin
1
Company Contacted:
Contacted By:
Contact Date:
[:]
APP II - 1
Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010017-2
Purpose:
JOB #342
TRIP REPORT
January 23, 1970, through
February 6, 1970
Technical review of
Stereocomparator optical
fabrication
The status of the various optical subassemblies was determined
during the visit and is summarized below:
1. Right Main Condenser Zoom
The new motor and the inertia-minimizing gearing
change have been incorporated. The microswitches
are set. The subassembly is complete.
2. Left Main Condenser Zoom
Same as the right condenser zoom except, in addition,
this subassembly has been installed in the acceptance
test fixture.'
3. Potentiometer Setting for the Right and Left Main
Condenser Zoom
The microswitch/cam is set through a slot cut in the
side of the condenser housing by matching a marked
line to an index behind the potentiometer mount. The
potentiometer itself must be set to zero. The condenser
drive is adjusted by hand-rotating to the index mark
which represents the center of travel with respect to
the 40mmf objettive system.
STAT
I Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010017-2
Trip Report - Job 342 (contid.)
4. Right Main Illumination System
The adjustable diaphragm subassembly, which includes
the removable portion of the motors, gearboxes and
tachometers; is complete. Additionally, the new
larger motors and the inertia-minimizing gearing have
been incorporated.
A technical difficulty concerning elongation of holes
for final alignment in mounting to the interface
at the time of final assembly is anticipated. Solution
may have to await arrival of the optics
The holes are now correct for the acceptance test
fixture at There is no adequate solution
except to modify the mounting holes after the optical
parts have arrived
has provided a tool for setting the gearing
in its matched position for reassembling the removable
motor plate. In the case of the main gear the potentio-
meter is to be set at 6.25 volts by rotating the diaphragm
assembly.
5. Left Main Illumination System
The comments for the right illumination system apply
to the left system except, in the adjustable diaphragm
system the potentiometer is to be set at 6.35 volts
when reassembling the motor plate.
6. The right and left main illumination systems are com-
pletely finished and installed on the acceptance test
fixture.
App. 11-2
STAT
STAT
STAT
STAT
STAT
Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010017-2
ri Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010017-2
fl
Trip Report - Job 342 (contid.)
7. A technical difficulty was observed concerning
focusing when changing the main illumination
system lamp.
To adjust the plane of the arc, it is first necessary
to rotate the switchable optics out of their normal
position (by approximately 45?) and place a prism
immediately after the lamphouse.
Next, an auto collimating telescope is placed to
the side and the lamp plane is adjusted to the required
position using the infinity setting of the telescope.
The light beam from the condenser is collimated.
The transverse and vertical positions of the lamp
are set by removing the filter wheel assembly and
inserting a horizontal "screen" (paper and density
filter). The arc is then adjusted to center it.
The mirror behind the lamp is then adjusted so that
the direct image and the reflected image support each
other to obtain the properly oriented image combination.
In reviewing this process it was clearly too cumber-
some for routine lamp changing. The :echnica I
representative has therefore requested tha
provide some form of tooling which requires removal
? of the lamphouse and setting the lamp position accurately
by an adjustment on the_bench where easy access is
available.
APP II - 3
7 Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010017-2
STAT
STAT
!:11 Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010017-2
tzi
Trip Report - Job 342 (contid.)
8. The three sections of the optical bridge are now in
place on the acceptance test fixture. The center
binocular eyepiece section is fully assembled. Most
of the subassemblies have been installed in both
of the right and left optical bridge sections.
The
cables have been installed in the optical
bridged, Some cables are too long and some rework
may be required.
9. A plug and receptacle are mounted on each inner side
of the main rotating anamorph assembly. They face
towards the front of the machine and protrude about
8 cm past the skin. It is clear that the receptacles
will have to be relocated.
100 In general, care must be exercised not to use excessive
force in handling the plugs on or off the receptacles
since unnecessary mechanical stress could upset the
optical alignment.
11. Left Reticle Illumination System
This subassembly is complete except for adjusting
the potentiometer on the filter wheel.
12. Right Reticle Illumination System
This subassembly is mechanically complete but has
not been aligned or optically adjusted, nor has the
potentiometer yet been mounted.
APP 11 -4
Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010017-2
Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010017-2
Trip Report - job 342 (contid.)
13. Left/Main 10x Zoom
This assembly is entirely finished and is awaiting
assembly into the ptical bridge.
14. Right Main 10x Zoom
STAT
Same as the
meter Cup
cup provides
The spare
which was
left main 10x zoom except the potentio-
#3, was damaged (broken terminal). This
a drive for the main illumination system.
Cup #5 linear, was substituted for Cup #4
in turn substituted for Cup #3.
15.
has provided a main illumination cooling
STAT
system consisting
of an
air distribution system with
about 8 tubes on each
side.
had not provided
STAT
the plastic tubes so
procured their own.
STAT
16. The cables for connecting
to the
main illumination
system are not
yet available.
They are due for com-
pletion soon at
STAT
17. The reticle illumination
system lamp starters cannot
be installed as planned because of an error in the
dimensioning of
the base plates. This is being corrected
STAT
18.
is working
two 8-man shifts, namely 06:00
STAT
hours to 15:00 hours and 1200 hours to 22:15 hours,
Monday through Friday. A single crew works 06:00
hours to 12:00 hours on Saturday.
APP. II - 5
Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010017-2
r-
Declassified in Part - Sanitized Copy Approved for Release 2012/08/29 CIA-RDP79B00873A001300010017-2
Trip Report - Job 342 (contid.)
19. Various potentiometers were damaged
either.mechanically or electrically during installation.
Spares were substituted and no delays or problems
resulted.
20. Spares
Any new filter wheels, i.e., spares, should be ordered
without the "cover glass" and 'made,from heat resistant
glass.
_
The present spares order should be so modified.
Also, one ServeIco motor should be canceled from the
two ordered. There is presently already one at
ordered previously.
21. The reticle lamp electrical system was tested using
STAT
STAT
the special 60 cycle 120v 11G set. should obtain STAT
the instruction book for the PEK series 401A power
supply.) The lamp stabilizes at 6a and 17 volts.
It is Type HBO 100 Osram. '
The Christie IGA7 starter did not start the lamp until
the internal potentiometer to increase the voltage
was readjusted.
22. During testing of the reticle system, the reticle spot
zoom system (which includes a 10x and a 4x zoom)
was found to change by only 1.6x.
APP. - 6
n Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010017-2
Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010017-2
Trip Report - Job 342 (cont'd.)
The light rays from the reticle 10x zoom passed with
divergence through the reticle anamorph and the reticle
Pechan prism to the 50:1 reducing relay/telescope.
Because of this divergence the rays were not collected
at the telescope, and the field was occluded. This
technical difficulty was solved by designing a relay
system to be placed immediately after the 10x reticle
zoom.
The relay consists of a front and rear positive (convex)
lens with an intermediate negative (concave) lens.
This correction re uires mechanical and optical design
plus fabrication, estimates that, if every-
thing goes perfectly, one to two weeks will be required.
This portion of the work is about one week ahead of
schedule; thus there may be only a small slippage in
the finely delivery date.
23. On Thursday, January 29th, the complete optical
system was installed in the
left optical bridge
and assembled in the acceptance test fixture. This
was then aligned with the optical bridge alignment
fixture and upon lighting the lamp and looking in the
left eyepiece - "light was seen." This is a significant
milestone for the Stereocomparator.
24. The installation of the optical bridge at
proceed in the following order:
should
APP. - 7
r Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010017-2
STAT
STAT
STAT
STAT
Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010017-2
Trip Report - Job 342 (cont'd.)
a. Install
b. Install
the center
the side
portion of the optical bridge.
sections of the optical bridge.
c.
Set the
adjust
alignment
tooling in place and
sections to fit.
STAT
the
bridge
d.
Set the
in place.
optical center illumination tooling
STAT
e.
Locate the
the base).
center
of the condenser (above
f.
Remove the
illumination tooling.
STAT
g.
Install the
condenser
(above the base).
h.
Install the main illumination system and the
below base condenser.
25. On Friday, January 30, 19_7.0, the reticle spot could
be seen through the system but it was large and blurred.
An afocal telescope (relay) is in the process of design
and fabrication to correct this condition.
plans to put this in ahead of the reticle rotator.
(Pechan Prism).
26. On Saturday, January 31st, was ready for
a resolution test of the left half of the system. The
customer resolution target was used and it was found
that at 200x the resolution was at least 1000 line
pairs per mm at the film plane on axis. There was
about 7% greater resolution in the tangential than
the saggital direction.
APP. II - 8
STAT
Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010017-2
STAT
U.
Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010017-2
Trip Report - Job 342 (cont'd.)
27. Concerning the variable diaphragm portion of the
1
main illumination system, the 40mm and 80mm
objective switching can only occur at the center portion
of the diaphragm travel when the output of the ten turn
potentiometer is between -0.5v and +0.5v.
has been asked to provide special micro-
STAT
switches for new logic to accommodate to this STAT
condition. One will "enable" via a new cam over
the - .5v range. The others (2) will show the 40mm
and 80mm positions and thus the direction of travel
for the new logic to reach the - .5v position.
28. The acceptance test problems was presented by the
r?representative in a 4-1/2 hour meeting with:
The entire acceptance test program was reviewed and
the targets were shown. A written outline prepared
was presentedas an example.
The maximum use of forms was requested.
was asked to provide as soon as possible the acceptance
test procedure and the acceptance testing schedule.
February 13th was the date set by to provide
with a handwritten outline of the test procedure
and February 18th was the date set for the testing
schedule.
APP. II
n Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010017-2
STAT
STAT
STAT
STAT
STAT
STAT
Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010017-2
Trip Report - Job 342 (cont'd.)
The present (February 28, 1970) schedule is th\at
the optical tests are to start on March 23, and be
completed by April 10. Some electronic tests and
preliminary work would start on March 16.
APP. II - 10
7 Declassified in Part- Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010017-2-
U
Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010017-2
Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010017-2
Declassified in Part-Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010017-2
'
Reticle projection & objective switch
ing assemblies. View prior to
mounting in the test fixture. 2/3/70
Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010017-2
Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010017-2
iRear view of optical test fixture showingl
Dptical bridge sections in place. j
2/3/70
STAT
Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010017-2
14= 401 = = = = =amg
Declassified in Part -Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010017-2
iFront view of optical test fixture with
Lo_ptical subassemblies installed .2/3/7o j
Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010017-2
Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010017-2
Main illumination system in position
under the optical test fixture. 2/3/70-7
Declassified in Part - Sanitized Copy Approved for Release 2012/08/29: CIA-RDP79B00873A001300010017-2