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:
Apr. 05, 2016
Filed:
Jun. 15, 2010
Hajime Ota, Osaka, JP;
Masaya Konishi, Osaka, JP;
Takashi Yamaguchi, Osaka, JP;
SUMITOMO ELECTRIC INDUSTRIES, LTD., Osaka-shi, Osaka, JP;
TOYO KOHAN CO., LTD., Tokyo, JP;
Abstract
The present invention relates to a method of producing a substrate, including the steps of preparing a substrate having a nickel layer formed on a copper layer through plating, subjecting the nickel layer to thermal treatment at 800-1000° C., and epitaxial-growing an intermediate layer on the nickel layer, after the step of subjecting the nickel layer to thermal treatment. According to the present invention, there can be provided a substrate that allows the orientation and flatness at the surface of a nickel layer to be improved, and a method of producing the substrate.