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. 14, 2010
Filed:
Nov. 24, 2003
Akira Matsuda, Tochigi, JP;
Yuuji Suzuki, Tochigi, JP;
Hideo Otsuka, Tochigi, JP;
Yuuki Kikuchi, Tochigi, JP;
Sadao Matsumoto, Tochigi, JP;
Akira Matsuda, Tochigi, JP;
Yuuji Suzuki, Tochigi, JP;
Hideo Otsuka, Tochigi, JP;
Yuuki Kikuchi, Tochigi, JP;
Sadao Matsumoto, Tochigi, JP;
The Furukawa Electric Co., Ltd., Tokyo, JP;
Abstract
A plating bath, able to form a resistance layer with a uniform thickness distribution on the roughened surface of a conductive base, including nickel ions and sulfamic acid or its salt as essential components and at least one of phosphoric acid, phosphorous acid, hypophosphorous acid, and salts of the same; a conductive base having a thin resistance layer with a stable resistance, and a resistance circuit board material using the same.