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:
Feb. 28, 2012
Filed:
Jul. 27, 2006
Applicants:
Susumu Tsujikawa, Tokyo, JP;
Yoshio Otani, Tokyo, JP;
Tetsumi Sumiyoshi, Tokyo, JP;
Inventors:
Assignee:
Cyber Laser Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K 26/36 (2006.01); B29D 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for removing and modifying a protrusion by using a short pulse laser is provided for modifying a color filter. In a color filter modifying method, a transparent substrate () is scanned with a beam in a parallel direction, while irradiating a protrusion () generated on the color filters (---) formed on a transparent substrate () with a beam collected by a high NA condensing lens (), and a protrusion () is removed or modified.