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:
Sep. 25, 1990
Filed:
Aug. 07, 1989
Applicant:
Inventors:
Alexander J Yerman, Scotia, NY (US);
Khai D Ngo, Gainesville, FL (US);
Assignee:
General Electric Company, Schenectady, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
H01F / ; H01F / ;
U.S. Cl.
CPC ...
336 83 ; 336183 ; 336200 ; 336226 ; 336232 ;
Abstract
A high-frequency transformer is constructed from a flexible circuit comprising a primary conductive film winding and one or more secondary conductive film windings disposed on a single dielectric membrane. The flexible circuit is folded to form a stack of primary winding layers interleaved with secondary winding layers and then inserted into a magnetic cup core. The flexible circuit is preferably patterned photolithographically.