Patent
1979-03-15
1981-08-11
Tupman, W. C.
29580, 29583, 357 56, H01L 2302
Patent
active
042837340
ABSTRACT:
A batch production process for millimeter wave sources of a module type. This module type consists of a basic metallic support, bearing a diode under the form of a semiconductor chip soldered on a projection of the support, the diode being surrounded by a dielectric substance forming a medium extending up to half a wavelength on the same support, with a metallization covering the surrounding medium and connected with the top of the chip by a metallic block. In a first embodiment, the batch process is limited to the central part of the module i.e. the semiconductor chip, the block and only a part of the dielectric medium, as well as a part of the metallic support. In a second embodiment of the process, the collective production of the entire module is achieved.
REFERENCES:
patent: 3689993 (1972-09-01), Tolar
patent: 3820236 (1974-06-01), Haitz
patent: 4035830 (1977-07-01), Kim
"Thomson-CSF"
Tupman W. C.
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