Semiconductor device manufacturing: process – Having magnetic or ferroelectric component
Reexamination Certificate
2011-06-07
2011-06-07
Dang, Phuc T (Department: 2892)
Semiconductor device manufacturing: process
Having magnetic or ferroelectric component
C438S048000, C438S059000, C257S071000, C257S298000
Reexamination Certificate
active
07955870
ABSTRACT:
The present invention relates generally to semiconductor fabrication and particularly to fabricating magnetic tunnel junction devices. In particular, this invention relates to a method for using the dielectric layer in tunnel junctions as an etch stop layer to eliminate electrical shorting that can result from the patterning process.
REFERENCES:
patent: 5854116 (1998-12-01), Ohmi et al.
patent: 6815248 (2004-11-01), Leuschner et al.
patent: 2002/0038681 (2002-04-01), Nakatani et al.
Dang Phuc T
McAuliffe Christine Meis
OEM Group Inc.
Polsinelli Shughart PC
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