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. 30, 2004
Filed:
Mar. 29, 2002
Applicant:
Inventors:
Assignee:
Siemens Aktiengesellschaft, Munich, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23K 2/600 ;
U.S. Cl.
CPC ...
B23K 2/600 ;
Abstract
A method and device for the laser drilling of laminates includes the use of a frequency-doubled Nd vanadate laser. The laser includes the following parameters: pulse width<40 ns, pulse frequency≧30 kHz for the metal layer and ≧20 kHz for the dielectric layer, and wavelength=532 nmn. Such a laser is used for the laser drilling of laminates which have at least one metal layer and at least one dielectric layer including an organic material.