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. 13, 2001
Filed:
Mar. 21, 1997
Applicant:
Inventors:
Assignee:
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B23K 2/606 ;
U.S. Cl.
CPC ...
B23K 2/606 ;
Abstract
A wiring board is machined by providing a light shielding body for shielding a portion of a laser beam in a light path between a laser oscillator and a machining lens, irradiating the laser beam onto the light shielding body, and introducing a non-shielded portion of the laser beam having passed through the light shielding body to the machining lens.