Semiconductor device manufacturing: process – Making regenerative-type switching device – Having structure increasing breakdown voltage
Reexamination Certificate
2008-06-10
2008-06-10
Le, Thao (Department: 2818)
Semiconductor device manufacturing: process
Making regenerative-type switching device
Having structure increasing breakdown voltage
C257SE29012, C257SE29013
Reexamination Certificate
active
07384826
ABSTRACT:
A process for forming an ohmic contact on the back surface of a semiconductor body includes depositing a donor layer on the back surface of the semiconductor body followed by a sintering step to form a shallow intermetallic region capable of forming a low resistance contact with a contact metal.
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International Rectifier Corporation
Le Thao
Ostrolenk Faber Gerb & Soffen, LLP
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