Contact structure for light emitting device

Details Contact structure for light emitting device Contact structure for light emitting device

1979-02-27

1980-11-11

Tupman, W. C.

Metal working

Method of mechanical manufacture

Electrical device making

29569L, 29591, B01J 1700

Patent

active

042324408

ABSTRACT:
A contact structure to the light emitting surface 19 of a light emitting device 10 having an array of small distributed contacts 14 is made by selectively depositing a larger area bonding pad 15 over a portion of the distributed contacts. The small contacts not covered by the bonding pad then are removed by sputter etching and contact to the device is made by wire bonding a lead 17 to the bonding pad.

REFERENCES:
patent: 3808108 (1974-04-01), Herb
patent: 3909929 (1975-10-01), Debesis
patent: 4156963 (1979-06-01), Tsuji

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