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:
Jul. 22, 2014
Filed:
Feb. 09, 2010
Applicants:
Ryo Mitta, Annaka, JP;
Hiroyuki Otsuka, Annaka, JP;
Ikuo Sakai, Annaka, JP;
Kenji Abe, Annaka, JP;
Naoki Ishikawa, Annaka, JP;
Inventors:
Ryo Mitta, Annaka, JP;
Hiroyuki Otsuka, Annaka, JP;
Ikuo Sakai, Annaka, JP;
Kenji Abe, Annaka, JP;
Naoki Ishikawa, Annaka, JP;
Assignee:
Shin-Etsu Chemical Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41M 1/12 (2006.01); B41F 15/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
The method for screen printing improves accuracy during a plurality of screen printing steps. After a first layer and an alignment mark are printed on a workpiece, the alignment mark is imaged by a camera so that the alignment mark is stored as image data in an image processing device adapted to deliver reference data for subsequent printing, and the image data is used to renew the reference data in the image processing device.