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:
Jul. 08, 1997
Filed:
Jan. 26, 1996
Applicant:
Inventors:
Assignee:
Rohm Co., Ltd., Kyoto, JP;
Primary Examiner:
Int. Cl.
CPC ...
B23K / ;
U.S. Cl.
CPC ...
21912164 ; 21912163 ; 21912185 ;
Abstract
A plurality of light emitting units are prepared each of which is provided with a laser diode having a laser diode chip which emits one beam and a collimator lens for converting a beam emitted from the laser diode into a parallel beam. The light emitting units are fixed to a bar body so as to be in a row. A plurality of such bar bodies are prepared, and by fixing the bar bodies to a substrate, the light source units are arranged in a matrix form. The positions of the light emitting units are adjusted and fixed after the light emitting units are fitted in the bar bodies so that a plurality of beams emitted from the laser diodes are in parallel with one another at predetermined intervals.