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.

Date of Patent:
Jan. 03, 2023

Filed:

Jun. 05, 2019
Applicant:

Tdk Corporation, Tokyo, JP;

Inventors:

Seijiro Sunaga, Tokyo, JP;

Toshinobu Miyagoshi, Tokyo, JP;

Mitsuyoshi Makida, Tokyo, JP;

Assignee:

TDK CORPORATION, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K 20/00 (2006.01); G02F 1/1345 (2006.01); H01L 23/00 (2006.01); G02F 1/13 (2006.01); H05K 13/00 (2006.01); H05K 3/36 (2006.01); H01L 21/607 (2006.01);
U.S. Cl.
CPC ...
B23K 20/002 (2013.01); G02F 1/1345 (2013.01); H01L 24/74 (2013.01); G02F 1/1303 (2013.01); H01L 21/607 (2021.08); H01L 24/75 (2013.01); H05K 3/361 (2013.01); H05K 13/00 (2013.01);
Abstract

An ultrasonic bonding device includes a stage and an ultrasonic horn. A first flat member and a second flat member to be bonded are placed on the stage. The ultrasonic horn includes a press part to be pressed on a laminated portion of the first flat member and the second flat member. The stage includes a lower-side surface, a higher-side surface, and a step wall surface. The first flat member is to be placed on the lower-side surface. The higher-side surface is positioned higher than the lower-side surface by a predetermined step height. The second flat member is to be placed on the higher-side surface. The step wall surface is positioned in a boundary between the lower-side surface and the higher-side surface.


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