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:
Feb. 10, 2026

Filed:

Dec. 01, 2020
Applicant:

Posco, Pohang-si, KR;

Inventors:

Woo-Sung Jung, Gwangyang-si, KR;

Sang-Hoon Park, Gwangyang-si, KR;

Suk-Kyu Lee, Gwangyang-si, KR;

Assignee:

POSCO, Pohang-si, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C22C 21/10 (2006.01); C23C 14/16 (2006.01); C23C 14/24 (2006.01); C23C 28/00 (2006.01);
U.S. Cl.
CPC ...
C22C 21/10 (2013.01); C23C 14/16 (2013.01); C23C 14/24 (2013.01); C23C 28/3225 (2013.01);
Abstract

The present disclosure relates to an aluminum-based alloy-coated steel sheet and a method of manufacturing the same and, more particularly, to an aluminum-based alloy-coated steel sheet that can be preferably applied to automotive steel sheets, etc., and a method of manufacturing the same. An embodiment of the present disclosure provides an aluminum-based alloy-coated steel sheet that includes: a base steel sheet; an Al-based alloy-coated layer formed on at least one surface of the base steel sheet; and a Zn—Al-based coated layer formed on the Al-based alloy-coated layer, including Al: 0.5˜1.0%, and a balance of Zn and unavoidable impurities in percentage by weight, and having an adhesion amount of 3˜12 g/m, and a method of manufacturing the aluminum-based alloy-coated steel sheet.


Find Patent Forward Citations

Jung, Woo-Sung. (2026). Aluminum-based alloy-coated steel sheet and method of manufacturing same (U.S. Patent No. 12545979). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12545979

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