Semiconductor device manufacturing: process – Formation of electrically isolated lateral semiconductive... – Grooved and refilled with deposited dielectric material
Reexamination Certificate
2011-05-03
2011-05-03
Pham, Thanh V (Department: 2894)
Semiconductor device manufacturing: process
Formation of electrically isolated lateral semiconductive...
Grooved and refilled with deposited dielectric material
C438S443000, C438S459000, C438S474000, C438S479000, C257S347000, C257SE21249, C257SE21563
Reexamination Certificate
active
07935609
ABSTRACT:
A method is provided for fabricating a semiconductor device and more particularly to a method of manufacturing a semiconductor device having radiation hardened buried insulators and isolation insulators in SOI technology. The method includes removing a substrate from an SOI wafer and selectively removing a buried oxide layer formed as a layer between the SOI wafer and active regions of a device. The method further comprises selectively removing isolation oxide formed between the active regions, and replacing the removed buried oxide layer and the isolation oxide with radiation hardened insulators.
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Aitken John M.
Cannon Ethan H.
International Business Machines - Corporation
Kotulak Richard
Pham Thanh V
Roberts Mlotkowski Safran & Cole P.C.
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