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:
Jun. 24, 2025

Filed:

Sep. 08, 2022
Applicant:

Haesung Ds Co., Ltd., Gyeongsangnam-do, KR;

Inventors:

Dong Jin Yoon, Gyeongsangnam-do, KR;

Sung Il Kang, Gyeongsangnam-do, KR;

In Seob Bae, Gyeongsangnam-do, KR;

Seok Kyu Seo, Gyeongsangnam-do, KR;

Dong Young Pyeon, Gyeonggi-do, KR;

Assignee:

HAESUNG DS CO., LTD, Gyeongsangnam-Do, KR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 23/495 (2006.01); H01L 21/48 (2006.01); H01L 21/56 (2006.01);
U.S. Cl.
CPC ...
H01L 23/49565 (2013.01); H01L 21/565 (2013.01); H01L 23/49503 (2013.01); H01L 23/49548 (2013.01);
Abstract

A lead frame includes: leads; and a dambar arranged between the leads and connecting the leads to each other, wherein each of the leads includes: a lower lead groove formed in a first surface for a wettable flank structure; and an upper lead groove formed in a second surface opposite the first surface and aligned with the lower lead groove in a thickness direction, wherein in a sawing process, a portion of the lead between the lower lead groove and the upper lead groove is at least partially removed.


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