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. 28, 2015
Filed:
Oct. 04, 2013
Tokyo Ohka Kogyo Co., Ltd., Kanagawa, JP;
Hirofumi Imai, Kawasaki, JP;
Koki Tamura, Kawasaki, JP;
Koichi Misumi, Kawasaki, JP;
Takahiro Asai, Kawasaki, JP;
Tokyo Ohka Kogyo Co., Ltd., Kanagawa, JP;
Abstract
A processed substrate and a method for easily manufacturing the processed substrate with high efficiency are provided, the processed substrate having openings in respective surfaces thereof that are matched to each other in size. The processed substrate includes a light transmissive substrate having a plurality of through-holes. Each of the through-holes has a large-diameter opening and a small-diameter opening, the large-diameter opening being larger in size than the small-diameter opening by 5% or less of the size of the large-diameter opening. As such, through-holes with openings in the respective surfaces of the processed substrate that are matched to each other in size can be provided.