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. 20, 2013
Filed:
Jun. 30, 2011
Sharat Batra, Plymouth, MN (US);
UT Tran, San Jose, CA (US);
Zhigang Bai, Milpitas, CA (US);
Kevin K. Lin, San Ramon, CA (US);
Sharat Batra, Plymouth, MN (US);
Ut Tran, San Jose, CA (US);
Zhigang Bai, Milpitas, CA (US);
Kevin K. Lin, San Ramon, CA (US);
Western Digital (Fremont), LLC, Fremont, CA (US);
Abstract
Systems and methods for providing hybrid coils for magnetic write heads used in disk drives are described. One such system includes a magnetic read/write head including a read transducer, and a write transducer including a pair of write poles, a hybrid coil including a first coil having a pancake coil configuration including at least one turn positioned between the pair of write poles, and a second coil having a helical coil configuration including a plurality of turns positioned between the pair of write poles, the second coil coupled to the first coil, where the at least one turn of the first coil is interleaved with the turns of the second coil.