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:
Mar. 26, 2024
Filed:
Mar. 18, 2019
Mitsubishi Electric Corporation, Tokyo, JP;
Shinji Abe, Tokyo, JP;
Mitsubishi Electric Corporation, Tokyo, JP;
Abstract
A manufacturing method comprises: a material preparation step of forming a metal layer on a front side surface of a submount bar body which is to face a laser bar on which a front side electrode and a back side electrode are formed, to prepare a submount bar on which the laser bar is to be mounted; a jig installation step of installing the submount bar and the laser bar that are provided in plural number alternately stacked each other on an installation jig; a bonding step of bonding the metal layer and the back side electrode by increasing the temperature of the installation jig; and a protective film forming step of forming a protective film on cleaved end faces of the laser bar in a protective film forming apparatus using the installation jig in which the submount bars and the laser bars are installed, after the bonding step.