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Material Science
Class Information
Number:
148/DIG.42
Name:
Metal treatment
> Doping, graded, for tapered etching
Description:
Patents under this class:
Patent Number
Title Of Patent
Date Issued
5882950
Fabrication method for horizontal direction semiconductor PN junction array
Mar. 16, 1999
5158907
Method for making semiconductor devices with low dislocation defects
Oct. 27, 1992
5041397
Method of fabricating a semiconductor device
Aug. 20, 1991
4952446
Ultra-thin semiconductor membranes
Aug. 28, 1990
4946735
Ultra-thin semiconductor membranes
Aug. 7, 1990
4638551
Schottky barrier device and method of manufacture
Jan. 27, 1987
4543707
Method of forming through holes by differential etching of stacked silicon oxynitride layers
Oct. 1, 1985
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