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:
Mar. 21, 2006
Filed:
Nov. 20, 2001
Natsuki Shiga, Kanagawa, JP;
Hidekazu Todoroki, Kanagawa, JP;
Natsuki Shiga, Kanagawa, JP;
Hidekazu Todoroki, Kanagawa, JP;
Nippon Yakin Kogyo Co., Ltd., Tokyo, JP;
Abstract
The invention is a Fe—Ni alloy material comprising Ni: 26–37 wt %, Si: 0.001–0.2 wt %, Mn: 0.01–0.6 wt %, Al: 0.0001–0.003 wt %, Mg: not more than 0.001 wt %, Ca: not more than 0.001 wt % and the reminder being Fe and inevitable impurities, and containing not more than 0.02 wt % of one or more MnO—SiO—AlOinclusion, SiOinclusion and MgO—AlOinclusion insoluble in an aqueous solution of ferric chloride, and is to provide electronic materials for shadow mask and the like having a good hole shape in an etching treatment and a high quality.