PRODUCTION ENGINEERING MEASURE FOR SUBMINIATURE, TRANSISTOR TYPE POTENTIOMETERS.
Quarterly progress rept. no. 15, 1 Jan-31 Mar 65,
CTS CORP ELKHART IND RESEARCH AND DEVELOPMENT DIV
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1800 SAMPLES WERE FABRICATED AND TESTED TO SCS-112 Technical Requirement which did not satisfactorily perform all the requirements. 1600 controls were refabricated and retested in an attempt to meet those test requirements which were not met on the first 1800 group. After completion of the second test group, test specifications of Technical Requirement SCS-112 had been met satisfactorily on all tests except moisture resistance on the 50 Omega controls of both styles and rotational life testing on the 25000 Omega bushing mount style. Because these two specification requirements are beyond the present state of the art, Technical Action Request No. 8 was submitted to request a change in test requirements. The 2400 controls on the 10,000 hour load life high reliability study have completed the testing phase with very satisfactory results. A summary of this test data is included. Author