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:
Feb. 07, 2017

Filed:

Feb. 11, 2014
Applicant:

Virginia Tech Intellectual Properties, Inc., Blacksburg, VA (US);

Inventors:

Yipeng Su, Blacksburg, VA (US);

Qiang Li, Blacksburg, VA (US);

Fred C. Lee, Blacksburg, VA (US);

Wenli Zhang, Blacksburg, VA (US);

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05K 7/02 (2006.01); H01F 17/00 (2006.01); H05K 1/03 (2006.01); H02M 3/155 (2006.01); H05K 1/02 (2006.01); H05K 1/16 (2006.01);
U.S. Cl.
CPC ...
H01F 17/0033 (2013.01); H05K 1/0373 (2013.01); H01F 2017/008 (2013.01); H02M 3/155 (2013.01); H05K 1/0233 (2013.01); H05K 1/165 (2013.01); H05K 2201/0209 (2013.01); H05K 2201/0245 (2013.01); H05K 2201/086 (2013.01); H05K 2201/10015 (2013.01);
Abstract

A low profile power converter structure is provide wherein volume is reduced and power density is increased to approach 1 KW/inby at least one of forming an inductor as a body of magnetic material embedded in a substrate formed by a plurality of printed circuit board (PCB) lamina and forming inductor windings of PCB cladding and vias which may be of any desired number of turns and may include inversely coupled windings and which provide a lateral flux path, forming the body of magnetic material from high aspect ratio flakes of magnetic material which are aligned with the inductor magnetic field in an insulating organic binder and hot-pressed and providing a four-layer architecture comprising two layers of PCB lamina including the embedded body of magnetic material, a shield layer and an additional layer of PCB lamina, including cladding for supporting and connecting a switching circuit, a capacitor and the inductor.


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