Radiant energy – Invisible radiant energy responsive electric signalling – Infrared responsive
Patent
1990-09-24
1992-03-10
Fields, Carolyn E.
Radiant energy
Invisible radiant energy responsive electric signalling
Infrared responsive
250332, 25037008, 25037013, G01J 520
Patent
active
050952161
ABSTRACT:
A method of fabricating an infrared detector and the detector comprising providing a semiconductor layer of group II-VI material, providing an electrically insulating layer having vias therethrough at predetermined locations and having a coefficient of thermal expansion which substantially tracks the coefficient of thermal expansion of said layer, securing the semiconductor layer to the insulating layer, forming infrared detector elements on the semiconductor layer and vias through the semiconductor layer aligned with the vias through the insulating layer, securing the combined semiconductor and insulating layers to the surface of a signal processing semiconductor chip and forming electrical interconnects between the detector elements and the chip through the vias. Also, there is provided an attaching agent securing the chip to the insulating layer, the attaching agent being sufficiently strong to retain the attachment during thermal cycling during processing and receiving thermally caused stresses between the chip and the detector elements.
REFERENCES:
patent: 4439912 (1984-04-01), Pollard et al.
patent: 4447291 (1984-05-01), Schulte
patent: 4566024 (1986-01-01), Fleury et al.
patent: 4720738 (1988-01-01), Simmons
patent: 4929913 (1990-05-01), Sato
Beyer James E.
Donaldson Richard L.
Fields Carolyn E.
Grossman Rene E.
Stoltz Richard A.
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