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:
Dec. 02, 1997
Filed:
Mar. 31, 1995
Applicant:
Inventors:
Robert A Boudreau, Hummelstown, PA (US);
Hongtao Han, Mechanicsburg, PA (US);
Robert Wallace Roff, Westfield, NJ (US);
Randall Brian Wilson, Maplewood, NJ (US);
Assignee:
The Whitaker Corporation, Wilmington, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R / ; H01S / ; G02B / ;
U.S. Cl.
CPC ...
324752 ; 372 36 ; 385 25 ;
Abstract
An optical subassembly for monitoring the emission of a semi-conductor laser is disclosed. The subassembly is diced from a wafer having mounted thereon the devices to be tested as well as the testing optical devices. The devices of the wafer are burned-in and those sections of the wafer having lasers that pass the burn-in testing are diced and form the subassemblies of the present invention.