Hermetically sealed planar structure for high frequency device

Details Hermetically sealed planar structure for high frequency device Hermetically sealed planar structure for high frequency device

1984-01-30

1986-05-20

Ng, Jin F.

Telecommunications

Receiver or analog modulated signal frequency converter

Frequency modifying or conversion

174 52FP, 357 74, 455330, H04B 126, H01L 2302, H05K 500

Patent

active

045906173

ABSTRACT:
A hermetically sealed quasi-planar integrated circuit suitable for millimeter-wave transmission. The circuit is enclosed within a module having a metal frame soldered to a quartz window. Active elements, such as beam-lead diodes, are mounted on a conductive layer housed within the frame. The assembly is evacuated and may be filled with an inert gas to avoid condensation in humid operating conditions. The invention is particularly adaptable to use in a cross-bar signal mixer at frequencies up to 140 GHz. The structure is adaptable to cooling to reduce circuit losses and improve performance and operating efficiency. Resonant cavities are provided to permit tuning the mixer to fixed frequencies.

REFERENCES:
patent: 4126758 (1978-11-01), Krumme
patent: 4276655 (1981-06-01), Kraemer et al.
patent: 4331258 (1982-05-01), Geschwind
patent: 4390220 (1983-06-01), Benasutti
patent: 4412354 (1983-10-01), Hu
patent: 4427991 (1984-01-01), Yamamjia et al.
patent: 4506108 (1985-03-01), Kersch et al.

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