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:
Apr. 29, 2003
Filed:
Jan. 25, 2002
Applicant:
Inventors:
David Cheng-Hsiung Chen, Taipei, TW;
Joe Ko, Hsin-Chu, TW;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 2/900 ; H01L 2/980 ;
U.S. Cl.
CPC ...
H01L 2/900 ; H01L 2/980 ;
Abstract
The present invention provides a bar circuit for reducing cross talk and eddy current of an integrated circuit. The bar circuit comprises a semiconductor substrate with a first conductivity type; a strip of first well with a second conductivity type in the semiconductor substrate; and a strip of second well with the second conductivity type in the semiconductor substrate. The strip of second well is located below and adjacent to the strip of first well, whereby forms a junction barrier for reducing the cross talk and the eddy current.