logo

For the Inventor, By the Inventor

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 10020795 B1

PDFFull Text
Date of Patent:
Jul. 10, 2018

Filed:

Apr. 27, 2017

Method of manufacturing a common mode filter

Applicant:

Semiconductor Components Industries, Llc, Phoenix, AZ (US);

Inventors:

Rong Liu, San Jose, CA (US);

Umesh Sharma, San Jose, CA (US);

Phillip Holland, Los Gatos, CA (US);

Assignee:

SEMICONDUCTOR COMPONENTS INDUSTRIES, LLC, Phoenix, AZ (US);

Attorney:

Rennie William Dover

Primary Examiner:

Zeev V Kitov

Int. Cl.
CPC ...
H03H 7/42 (2006.01); H01F 27/29 (2006.01); H03H 3/00 (2006.01); H01F 27/28 (2006.01); H01F 41/04 (2006.01); H01L 49/02 (2006.01); H01L 29/866 (2006.01); H01L 23/00 (2006.01); H01L 27/02 (2006.01);
U.S. Cl.
CPC ...
H03H 7/427 (2013.01); H01F 27/2804 (2013.01); H01F 27/29 (2013.01); H01F 41/041 (2013.01); H01L 24/05 (2013.01); H01L 24/48 (2013.01); H01L 27/0248 (2013.01); H01L 28/10 (2013.01); H01L 29/866 (2013.01); H03H 3/00 (2013.01); H01L 2224/04042 (2013.01); H01L 2224/05124 (2013.01); H01L 2224/05139 (2013.01); H01L 2224/05144 (2013.01); H01L 2224/05147 (2013.01); H01L 2224/48195 (2013.01); H01L 2924/1206 (2013.01); H01L 2924/12035 (2013.01);
Abstract

A common mode filter coupled to a protection device. In accordance with an embodiment, the common mode filter has first and second coils, each coil having a spiral shape, a central region, an exterior region, a first terminal, and a second terminal, wherein the first terminal of the first coil is formed in a first portion of the central region, the first terminal of the second coil is formed in a second portion of the central region, and wherein the central region is laterally bounded by the first and second coils and the exterior region is not surrounded by the first and second coils. The protection device has a first terminal coupled to the first terminal of the first coil and a second terminal coupled to the first terminal of the second coil.

Find Patent Forward Citations

Loading…