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. 07, 1992
Filed:
Nov. 29, 1989
Yoshiaki Watanabe, Kanagawa, JP;
Hideo Ogino, Kanagawa, JP;
Kazuo Tsuna, Kanagawa, JP;
Jun Kataoka, Kanagawa, JP;
Shozo Katamachi, Kanagawa, JP;
Nippei Toyama Corporation, Tokyo, JP;
Abstract
With a laser processing apparatus, the membrane of a membrane-covered film is accurately processed with a scanning laser beam linearly both in the direction of conveyance of the film and in a widthwise direction forming an angle with the direction of conveyance simultaneously, and particles splashed or scattered from the membrane by application of the laser beam are positively removed for protection of the film and the laser beam applying heads. A method of applying a scanning laser beam to a workpiece to be processed where the scanning beam is so formed that the portion of the workpiece which is processed with it shows a smooth boundary in the direction of processing.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile