ADVANCED FABRICATION PROCESSES FOR FUNCTIONAL ELECTRONIC BLOCKS.
Interim engineering rept. no. 2, 2 Mar-2 Jun 64,
TEXAS INSTRUMENTS INC DALLAS
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Studies of the silicon adaptive element were continued. Devices with sputtered oxide films were fabricated which exhibit photo and thermal adaption properties. Techniques for using this device in an adaptive logic system were investigated. Experimental studies of the temperature-stabilized substrate are essentially complete so that design of the substrate can be finalized. Several thermal-feedback video amplifiers were fabricated with evaporated lead patterns. A digital filter was fabricated and operated as the IF stage of a transistor radio receiver. All components of the digital filter could be fabricated in integrated circuit form. An RC active filter is being investigated for use as a prefilter for the digital filter or as an independent solution to the band-pass amplifier. It is anticipated that part of this stage will be fabricated on a temperature-stabilized substrate to minimize dependence of parameters on ambient temperature. Author