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:
Oct. 05, 2004
Filed:
Mar. 31, 2000
Applicant:
Inventors:
Takahiro Yamamoto, Omihachiman, JP;
Hiroshi Komatsu, Omihachiman, JP;
Tadashi Morimoto, Hikone, JP;
Takashi Shikama, Yokaichi, JP;
Assignee:
Murata Manufacturing Co., Ltd., Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K 2/6067 ;
U.S. Cl.
CPC ...
B23K 2/6067 ;
Abstract
A plurality of feedthrough holes are efficiently formed on the present invention by splitting a laser beam emitted from a laser source into plural laser beams by allowing the beam to pass through a diffraction grating, followed by simultaneously forming a plurality of the feedthrough holes on the ceramic green sheet by irradiating the ceramic green sheet with the split laser beam.