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:
Feb. 27, 2001
Filed:
Nov. 10, 1998
Stewart Wayne Wilson, Tucson, AZ (US);
Rushikesh M. Patel, Tucson, AZ (US);
Opto Power Corporation, Tucson, AZ (US);
Abstract
Semiconductor laser diodes or diode bars are assembled into stacks by a method which permits testing of an entire stack at once and which uses only high temperature solder. The stack includes a plurality of submounts which resemble elongated bars which are square in cross section. Laser diodes (or diode bars) are sandwiched between adjacent submounts. Each submount has an elongated mesa and the mesas are so shaped and positioned in the stack to form a set of ridges which fit into a set of grooves in a substrate. The diodes are bonded to adjacent submounts in a stack simultaneously by reflowing solder preforms (high temperature) in a reflow oven. The stack is secured in place in the grooves of the substrate by reflowing solder placed at the bottom of the grooves.