PRODUCTION ENGINEERING MEASURE. TRANSISTOR, VHF, SILICON, POWER (25W-100MC).
Quarterly rept. no. 7, 1 Jan-31 Mar 64,
TRW SEMICONDUCTORS INC LAWNDALE CALIF
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The period was devoted to processing material through the pilot line equipment to determine the capabilities of the existing processes and to make improvements where necessary. A contact metallizing process was established which eliminated two plating steps previously required. Improvements in the base diffusion and photoresist processes were instituted. These improvements and others described in this report should result in a considerable yield increase. The 25 volt design discussed in the previous quarterly report was processed exclusively during this time. First test results indicate that this design will meet the basic performance goals of power, gain and efficiency required by the contract. A description of the completed pilot line facility is given. Author