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. 07, 2004
Filed:
Oct. 15, 2002
Applicant:
Inventors:
Yoshiyuki Kado, Ome, JP;
Tsukio Funaki, Ebina, JP;
Hiroshi Kikuchi, Hidaka, JP;
Ikuo Yoshida, Musashimurayama, JP;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 2/144 ;
U.S. Cl.
CPC ...
H01L 2/144 ;
Abstract
Silicon chip having narrow pitches of Au bumps are mounted on a module substrate in such a way that while taking into consideration a difference in coefficient of thermal expansion between the silicon chip and the module substrate, a total pitch of electrode pads of the silicon chip is made narrower than a total pitch of the Au bumps, thereby preventing misregistration between the Au bumps and the electrode pads in the course of heat treatment to ensure reliable contact therebetween.