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:
Dec. 13, 1988
Filed:
Jul. 01, 1987
Applicant:
Inventors:
Koji Kondo, Chiryu, JP;
Katuhiko Murakawa, Obu, JP;
Nobumasa Ishida, Chiryu, JP;
Junji Ishikawa, Nagoya, JP;
Kaoru Nomoto, Okazaki, JP;
Futoshi Ishikawa, Nagoya, JP;
Assignee:
Nippondenso Co., Ltd., Kariya, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B22F / ; B05D / ;
U.S. Cl.
CPC ...
106-123 ; 106-126 ; 427 96 ; 427 98 ;
Abstract
In a chemical copper-plating bath comprising a copper sulfate, a complexing agent, a reducing agent, and a pH-adjusting agent, borofluoride is added to enhance the deposition speed of Cu, thus eliminating the problems of a complicated control of the bath.