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. 27, 2015
Filed:
Sep. 03, 2012
Christopher Cordonier, Kanagawa, JP;
Mitsuhiro Nabeshima, Kanagawa, JP;
Shingo Kumagai, Kanagawa, JP;
Naoki Takahashi, Kanagawa, JP;
Christopher Cordonier, Kanagawa, JP;
Mitsuhiro Nabeshima, Kanagawa, JP;
Shingo Kumagai, Kanagawa, JP;
Naoki Takahashi, Kanagawa, JP;
JCU CORPORATION, Tokyo, JP;
Abstract
A layer of a metal selected from titanium, niobium, tungsten, molybdenum, ruthenium, rhodium, arsenic, aluminum and gallium, an oxide of the metal, a nitride of the metal, silicon nitride, hafnium nitride, tantalum nitride, or an alloy of these metals, the layer being provided on an underlying base material selected from glass, silicon, copper and nickel, is selectively etched with an alkaline etching solution containing a predefined complexing agent.