Method of making a linear light-detecting diode integrated circu

Details Method of making a linear light-detecting diode integrated circu Method of making a linear light-detecting diode integrated circu

1981-04-27

1983-12-06

Rutledge, L. Dewayne

Metal working

Method of mechanical manufacture

Assembling or joining

29569L, 29574, 29577C, 29591, 357 30, 357 51, 357 83, 338195, H01G 906

Patent

active

044184662

ABSTRACT:
An array for light-detecting diodes is inserted into a cavity in an electally insulating substrate with trimmable resistances on the substrate. The substrate is cooled, the diodes are connected to the resistances and are energized via electrical conductors on the substrate and in the cavity, and their individual near infrared light detectivities are measured. The resistors are trimmed by a laser beam such that all diodes have the same amount of detectivity. The substrate is allowed to return to ambient temperature, is mounted on a cold finger, and electrical conductors are made between the resistance-diode combinations and connectors on the cold finger.

REFERENCES:
patent: 3609992 (1971-10-01), Cacheux
patent: 3760181 (1973-09-01), Daly et al.
patent: 4097988 (1978-07-01), Hauschild
patent: 4228418 (1980-10-01), Piedmont et al.
patent: 4283774 (1981-08-01), Schwartz et al.
patent: 4304624 (1981-12-01), Carson et al.

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