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:
Sep. 15, 2026
Filed:
Jan. 11, 2022
Lg Innotek Co., Ltd., Seoul, KR;
LG INNOTEK CO., LTD., Seoul, KR;
Abstract
A coil member according to an embodiment comprises: a substrate comprising a first surface and a second surface opposite to the first surface, and comprising a hole; a circuit pattern that is disposed on at least one of the first surface and the second surface and comprises a wiring pattern, a plating pattern, and a dummy pattern; and a protective layer that is disposed on the substrate and surrounds the circuit pattern, wherein the protective layer comprises a first protective layer disposed on the first surface and a second protective layer disposed on the second surface, the substrate comprises a first edge disposed on the outer edge of the substrate and a second edge surrounding the hole, and the substrate comprises a 1-1 region adjacent to the first edge, and a 1-2 region, wherein the 1-1 region is disposed between the first edge and the 1-2 region, a 1-1 protective layer is disposed on a first surface of the 1-1 region, a 1-2 protective layer is disposed on a first surface of the 1-2 region, and the thickness deviation of the 1-1 protective layer is 0.1 μm or less.