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:
Sep. 04, 1990
Filed:
Aug. 02, 1989
Applicant:
Inventors:
Keiichirou Nakanishi, Kokubunji, JP;
Minoru Yamada, Hanno, JP;
Masakazu Yamamoto, Kodaira, JP;
Satoru Ogihara, Hitachi, JP;
Hiroichi Shinohara, Hitachi, JP;
Hideo Suzuki, Katsuta, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
357 80 ; 357 68 ; 357 65 ;
Abstract
The present invention relates to a chip carrier, on which LSI chips are mounted and a chip carrier is disclosed, in which a region where power source throughholes are arranged and a region where signal throughholes are arranged are separated from each other and a coupling capacitor is formed only in the region where the power source throughholes are arranged with an intention to reduce noise.