Glass passivated gold diffused SCR pellet and method for making

Details Glass passivated gold diffused SCR pellet and method for making Glass passivated gold diffused SCR pellet and method for making

1973-10-11

1976-03-02

Rutledge, L. Dewayne

Metal treatment

Process of modifying or maintaining internal physical...

Chemical-heat removing or burning of metal

148175, 307284, 357 39, H01L 21225

Patent

active

039416259

ABSTRACT:
Disclosed is an SCR 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 SCR pellets and openings are etched in the oxide at locations corresponding to each pellet. Gold is diffused through the openings into a preselected distribution in the base region to reduce turnoff time. Grooves are etched to facilitate glass passivation and division of the wafer into pellets.

REFERENCES:
patent: 3275909 (1966-09-01), Gutzwiller
patent: 3440113 (1969-04-01), Wolley
patent: 3579815 (1971-05-01), Gentry
patent: 3617398 (1971-11-01), Bilous et al.
patent: 3640783 (1972-02-01), Bailey
patent: 3701696 (1972-10-01), Mets

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