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:
Sep. 22, 2026

Filed:

Dec. 06, 2023
Applicant:

Realtek Semiconductor Corporation, Hsinchu, TW;

Inventors:

Hsiao-Tsung Yen, Hsinchu City, TW;

Ka-Un Chan, Hsinchu County, TW;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H10D 1/20 (2025.01); H01F 27/28 (2006.01);
U.S. Cl.
CPC ...
H10D 1/20 (2025.01); H01F 27/2804 (2013.01); H01F 2027/2809 (2013.01);
Abstract

An integrated transformer is provided. The integrated transformer includes a first inductor and second inductors. The first inductor includes a first winding having a first outer turn and a second winding having a second outer turn. The second inductor includes a third winding having a third outer turn and a fourth winding having a fourth outer turn. The first and third outer turns substantially overlap, and the second and fourth outer turns substantially overlap. The first and second outer turns are connected to each other through a first segment and a second segment that together form a crossing structure, and the third and fourth outer turns are connected to each other through a third segment and a fourth segment that together form a crossing structure. The first and third segments are in the first metal layer, while the second and fourth segments are in the second metal layer.


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