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:
Aug. 04, 2009
Filed:
May. 18, 2007
Chee Chong Lim, Singapore, SG;
Kok Wai Chew, Singapore, SG;
Kiat Seng Yeo, Singapore, SG;
Suh Fei Lim, Singapore, SG;
Manh Anh DO, Singapore, SG;
Lap Chan, Singapore, SG;
Chee Chong Lim, Singapore, SG;
Kok Wai Chew, Singapore, SG;
Kiat Seng Yeo, Singapore, SG;
Suh Fei Lim, Singapore, SG;
Manh Anh Do, Singapore, SG;
Lap Chan, Singapore, SG;
Chartered Semiconductor Manufacturing, Ltd., Singapore, SG;
Nanyang Technological University, Singapore, SG;
Abstract
An integrated transformer structure includes a first coil element associated with a transverse axis, the first coil element having at least one turn. The first coil element includes a first portion provided on a first lateral level, and a second portion provided on a second lateral level. The first and second lateral levels being mutually spaced apart along said transverse axis. The first and second portions being displaced laterally from said axis by different respective distances. At least one crossover portion of the first coil element, in which the first coil element being configured to provide a conducting path through at least a portion of the first portion of the first coil element to the crossover portion, through the crossover portion and subsequently through at least a portion of the second portion of the first coil element, in which any change of flow direction along said path is less than 90° in a lateral direction.