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. 20, 1992
Filed:
Mar. 19, 1991
Applicant:
Inventors:
Yasushi Goto, Shimodate, JP;
Atsuo Nakajima, Ibaraki, JP;
Isao Tsukagoshi, Shimodate, JP;
Tomohisa Ohta, Tochigi, JP;
Yutaka Yamaguchi, Yuki, JP;
Assignee:
Hitachi Chemical, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05K / ;
U.S. Cl.
CPC ...
29846 ; 2940203 ;
Abstract
Circuit connections can be repaired with high accuracy and high reliability by peeling a mutually connected circuit portion to be repaired and placing a porous sheet with predetermined shape on the peeled circuit surface, impregnating the porous sheet with a peeling solution, removing the porous sheet containing unnecessary adhesive dissolved by the peeling solution, while cleaning the circuit surface contacted with the peeling solution, and reconnecting the cleaned circuit surface to a circuit surface to be connected via an adhesive.