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.:

US 12355269 B1

Date of Patent:

Jul. 08, 2025

Filed:

Jun. 17, 2020

Magnetic field shielding sheet and manufacturing method thereof

Applicant:

Amosense Co., Ltd., Cheonan-si, KR;

Inventor:

Kil Jae Jang, Cheonan-si, KR;

Assignee:

AMOSENSE CO., LTD., Cheonan-si, KR;

Attorney:

ROTHWELL, FIGG, ERNST & MANBECK, P.C.

Primary Examiner:

Ryan J Walters

Int. Cl.

CPC ...

H05K 9/00 (2006.01); H01F 27/36 (2006.01); H01F 41/02 (2006.01); H01Q 1/52 (2006.01); H02J 50/20 (2016.01); H02J 50/70 (2016.01); H04B 5/79 (2024.01);

U.S. Cl.

CPC ...

H02J 50/70 (2016.02); H01F 27/36 (2013.01); H01F 41/0206 (2013.01); H01Q 1/526 (2013.01); H02J 50/20 (2016.02); H04B 5/79 (2024.01); H05K 9/0075 (2013.01);

Abstract

Provided is a magnetic field shielding sheet. A magnetic field shielding sheet according to an exemplary embodiment of the present invention is a magnetic field shielding sheet for an antenna, which includes a hollow portion having a predetermined area in a central portion thereof and a pattern portion configured to surround the hollow portion, includes a sheet body formed as a ribbon sheet including at least one selected from an amorphous alloy and a nanocrystalline alloy, a plurality of through-portions formed in a region of the sheet body corresponding to the pattern portion, and a plurality of cracks formed to extend from the through-portions.

Find Patent Forward Citations