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:
May. 20, 2014
Filed:
May. 25, 2012
Kenichi Mori, Nagano, JP;
Kenichi Mori, Nagano, JP;
Shinko ELectric Industries Co., Ltd., Nagano, JP;
Abstract
A wiring substrate includes a body including first and second surfaces, a trench having an opening on the first surface and including, a bottom surface, a side surface, and a slope surface that connects a peripheral part of the bottom surface to a one end part of the side surface and widens from the peripheral part to the one end part, the one end part being an end part opposite from the first surface, a hole including an end communicating with the bottom surface and another end being open on the second surface, a first layer filling at least a portion of the hole and including a top surface toward the trench, a second layer covering the top surface and formed on at least a portion of the trench except for a part of the side surface, and a third layer covering the second layer and filling the trench.