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. 22, 2005
Filed:
Mar. 12, 2001
Applicants:
Katsuya Sangu, Tokyo, JP;
Ryoichi Ida, Tokyo, JP;
Katsumi Momose, Tokyo, JP;
Michitomo Koda, Tokyo, JP;
Inventors:
Katsuya Sangu, Tokyo, JP;
Ryoichi Ida, Tokyo, JP;
Katsumi Momose, Tokyo, JP;
Michitomo Koda, Tokyo, JP;
Assignee:
Adtec Engineering Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06K009/00 ; G01N021/86 ; G01V008/00 ; H04N007/18 ; H04N009/47 ;
U.S. Cl.
CPC ...
Abstract
The Xray irradiation deviceissues Xrays to board markand projects the image of the board markon the fluorescence screen, the fluorescence faceof which visibly displays the image of the board markthat can be captured by the CCD camera. The CCD cameraimages the board markand the mask markdepicted on the photo maskoverlapping together. The boardand the photo maskare aligned by exposure stageso as to the board markand the mask markcoincide.