Method for inserting antenna diodes into an integrated circuit design

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United States of America Patent

PATENT NO 6502229
APP PUB NO 20020138817A1
SERIAL NO

09818093

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Abstract

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A method and apparatus for inserting antenna diodes into an integrated circuit design is described. During the design process, diode cells are placed in filler cells of the integrated circuit design, but left unconnected. Subsequently, when an ECO is received requiring antenna diodes to be inserted in the integrated circuit design, only metal mask changes are required to connect the diode cells to gate electrodes of specified transistors or cells. Since the diode cells are already part of the original integrated circuit design layout, it is not necessary to perform a re-layout of the design cells with the diode cells performing antenna diode functions, thereby speeding up the EDA redesign process as well.

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Patent Owner(s)

Patent OwnerAddress
ORIDUS INC39560 STEVENSON PLACE STE 221 FREMONT CA 94539

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chang, Xin Santa Clara, CA 15 133
Lee, Kuo-Chun Fremont, CA 402 4137

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