Producing glass passivated gold diffused rectifier pellets

Details Producing glass passivated gold diffused rectifier pellets Producing glass passivated gold diffused rectifier pellets

1976-02-02

1977-12-06

Ozaki, G.

Metal treatment

Process of modifying or maintaining internal physical...

Chemical-heat removing or burning of metal

148188, H01L 21225

Patent

active

040615103

ABSTRACT:
Disclosed is a rectifier pellet and a method for the fabrication thereof. A layer of oxide is grown on a semiconductor wafer that has been diffused to form a plurality of rectifier pellets, and openings are etched in the oxide at locations corresponding to each pellet. Gold is diffused through the openings into a preselected distribution to reduce turnoff time. Grooves are etched to facilitate glass passivation and division of the wafer into pellets.

REFERENCES:
patent: 3427708 (1969-02-01), Schutze et al.
patent: 3579815 (1971-05-01), Gentry
patent: 3617398 (1971-11-01), Bilous
patent: 3640783 (1972-02-01), Bailey
patent: 3806361 (1974-04-01), Lehner

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