The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 11, 2011
Filed:
May. 30, 2005
Applicants:
Hiroaki Segawa, Osaka, JP;
Masanori Hirofuji, Osaka, JP;
Inventors:
Hiroaki Segawa, Osaka, JP;
Masanori Hirofuji, Osaka, JP;
Assignee:
Panasonic Corporation, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 21/70 (2006.01);
U.S. Cl.
CPC ...
Abstract
Plural I/O cells () having electrode pads for wire bonding () are disposed with spaces () between them in the vicinity of a corner of an I/O region () of a semiconductor substrate (), and power supply separation cells () not to be wire bonded, on which ESD (electrostatic discharge) protection circuits () having ESD protection transistors are amounted, are disposed between the respective I/O cells (), whereby the chip size is reduced upon consideration of layout of the electrode pads.