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. 14, 2019
Filed:
Jul. 13, 2017
Mitsubishi Electric Corporation, Tokyo, JP;
Kazuhiko Sakutani, Tokyo, JP;
Mitsubishi Electric Corporation, Tokyo, JP;
Abstract
The specification discloses a technique for preventing a bonding material from reaching the upper and lower surfaces of a semiconductor chip in bonding the semiconductor chip using the bonding material. A die pad of the technique disclosed in the specification includes the following: a die pad substrate; a first projection disposed on the upper surface of the die pad substrate, the first projection having a pedestal shape; a second projection disposed on the upper surface of the die pad substrate so as to surround at least part of the first projection in a plan view, the second projection having a bank shape; and a third projection disposed on the upper surface of the die pad substrate so as to surround at least part of the second projection in a plan view, the third projection having a bank shape.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile