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.

Date of Patent:
Jul. 15, 2014

Filed:

Dec. 16, 2010
Applicants:

Michihiro Kawaguchi, Shizuoka, JP;

Keisuke Yamaguchi, Shizuoka, JP;

Shun Kanezawa, Shizuoka, JP;

Soichiro Mitsui, Kanagawa, JP;

Kiminobu Akeno, Kanagawa, JP;

Inventors:

Michihiro Kawaguchi, Shizuoka, JP;

Keisuke Yamaguchi, Shizuoka, JP;

Shun Kanezawa, Shizuoka, JP;

Soichiro Mitsui, Kanagawa, JP;

Kiminobu Akeno, Kanagawa, JP;

Assignees:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J 37/317 (2006.01); H01J 37/20 (2006.01);
U.S. Cl.
CPC ...
H01J 37/3174 (2013.01); H01J 2237/0044 (2013.01);
Abstract

A substrate coverincludes a conductive portionhaving a shape corresponding to a peripheral edge region of a substrate. Since at least part of the conductive portion includes transmissive portionseach formed of a light transmissive member, it is configured so as to allow desired light to penetrate through. The position of each edge portion of the substrate is detected in such a manner that the substrate is disposed with the substrate coverplaced thereon between light irradiation means and a light detecting unit, irradiation light directed from the light irradiation means located above the substrate to the edge portion of the substrate is made to penetrate through at least part of the substrate cover, the edge portion of the substrate is then irradiated with light from the irradiation means.


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