Planar etching of dissimilar materials

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United States of America Patent

APP PUB NO 20080113455A1
SERIAL NO

11823565

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Abstract

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A method of planar etching of dissimilar materials with a Focused Ion Beam (FIB) system such as the OptiFIB manufactured by Credence Systems. The method includes adjusting the selectivity between the two materials, which varies when the ratio of the assisting chemistry pressure to the ion dose rate changes. This method can be used in such applications as FIB circuit edit, failure analysis, and cross sectioning.

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Patent Owner(s)

Patent OwnerAddress
DCG SYSTEMS INC45900 NORTHPORT LOOP EAST FREMONT CA 94538

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Jain, Rajesh San Jose, CA 78 859
Makarov, Vladimir Fremont, CA 47 483
Malik, Tahir Fremont, CA 4 35

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