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:
Oct. 18, 2022

Filed:

Dec. 30, 2019
Applicant:

Globalfoundries Singapore Pte. Ltd., Singapore, SG;

Inventors:

Zishan Ali Syed Mohammed, Singapore, SG;

Lulu Peng, Singapore, SG;

Lawrence Selvaraj Susai, Singapore, SG;

Chor Shu Cheng, Singapore, SG;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 27/36 (2006.01); H01F 27/28 (2006.01); H01F 27/32 (2006.01); H01F 41/02 (2006.01); H01F 41/12 (2006.01); H01F 41/04 (2006.01); H01F 27/34 (2006.01);
U.S. Cl.
CPC ...
H01F 27/36 (2013.01); H01F 27/2804 (2013.01); H01F 27/32 (2013.01); H01F 41/0206 (2013.01); H01F 41/041 (2013.01); H01F 41/12 (2013.01); H01F 2027/2809 (2013.01); H01F 2027/348 (2013.01);
Abstract

An inductive device may be provided, including a substrate and an inductive structure arranged over the substrate. The inductive structure may include a bottom metal winding layer; a top metal winding layer arranged further away from the substrate than the bottom metal winding layer; a magnetic core layer arranged between the bottom metal winding layer and the top metal winding layer; a connector arranged to electrically connect the bottom metal winding layer and the top metal winding layer; and a top metal ring element arranged around the top metal winding layer, spaced apart from the top metal winding layer. The inductive device may further include a guard ring element arranged under the top metal ring element and around the magnetic core layer, spaced apart from the magnetic core layer; wherein the guard ring element may include a magnetic material.


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