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. 09, 1997
Filed:
Jul. 25, 1994
Applicant:
Inventors:
Tatsuharu Matsuda, Kawasaki, JP;
Masaharu Minamizawa, Kawasaki, JP;
Assignee:
Fujitsu Limited, Kawasaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05K / ;
U.S. Cl.
CPC ...
361704 ; 361705 ; 439 66 ; 439 91 ;
Abstract
A bump electrode includes a core portion provided on an intermediate electrode layer formed on an electrode pad formed on a surface of an element. The core portion contains a material having a Young's modulus less than that of soldering. An electrically conductive film covers the core portion.