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:
May. 10, 2022
Filed:
Dec. 28, 2017
Realtek Semiconductor Corp., Hsinchu, TW;
Chia-Liang (Leon) Lin, Fremont, CA (US);
Chi-Kung Kuan, Fremont, CA (US);
REALTEK SEMICONDUCTOR CORP., Hsinchu, TW;
Abstract
A device comprises: a first spiral coil laid out on a first metal layer of a multi-layer structure, the first spiral coil spiraling inward from a first end to a second end in a clockwise direction from a first perspective that is perpendicular to the first metal layer; a second spiral coil laid out on the first metal layer, the second spiral coil spiraling outward from a third end to a fourth end in a counterclockwise direction from the first perspective, wherein the first spiral coil and the second spiral coil are substantially symmetrical with respect to a central line perpendicular to the multi-layer structure; a twin-spiral coil laid out on a second metal layer of the multi-layer structure, the twin-spiral coil spiraling outward from a fifth end to the central line in a clockwise direction from the first perspective and then spiraling inward from the central line to a sixth end in a counterclockwise direction from the first perspective, wherein the twin-spiral coil is substantially symmetrical with respect to the central line; a first via configured to electrically connect the second end to the fifth end; and a second via configured to electrically connect the third end to the sixth end.