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:
May. 20, 1997
Filed:
Jan. 26, 1996
Applicant:
Inventors:
Mitchell S Cohen, Millwood, NY (US);
Glen W Johnson, Yorktown Heights, NY (US);
Jeannine M Trewhella, Peekskill, NY (US);
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
G02B / ; G02B / ;
U.S. Cl.
CPC ...
385 93 ;
Abstract
A method for providing X,Y and Z alignment during fabrication of an optical subassembly (OSA) by active alignment and fixing with epoxy through the agency of radio frequency (RF) heating in order to provide acceptable feedback-induced noise level along with acceptable coupling efficiency.