Two experimental composite housings for circular branch -ARM coupler as used in J-band balanced mixers. c.1970 composite housing circa 1970
two pieces known as SHRIMP - 17GHz front end feature beam-lead gallium arsenide (GaAs) Shottky diodes. fisrt fabricated from six substrates, second fabricated as single MIC type VX4518 c1950 Shottky diodes (SHRIMP) circa 1972