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:
Jan. 14, 2003
Filed:
May. 10, 2001
Applicant:
Inventors:
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K 2/636 ;
U.S. Cl.
CPC ...
B23K 2/636 ;
Abstract
A dust collector for a laser drilling machine is provided between a lens table and a workpiece to be processed and includes an upper inlet port and a lower inlet port arranged on one side of a space defined by four side walls, and an exhaust port arranged opposite the inlet ports. The total amount of air supplied from the two inlet ports is 30 to 70% of the exhaust rate. The lower inlet port has an air supply capacity 1.5 to 4.5 times that of the upper inlet port.