US 7,573,682 B2
Writer heater for thermal protrusion shape control in a magnetic writer
Ladislav R. Pust, Savage, Minn. (US); Michael T. Johnson, Minneapolis, Minn. (US); Richard P. Larson, Brooklyn Park, Minn. (US); Thu-Van T. Nguyen, Shakopee, Minn. (US); David C. Seets, Shorewood, Minn. (US); and William P. Vavra, Maple Plain, Minn. (US)
Assigned to Seagate Technology LLC, Scotts Valley, Calif. (US)
Filed on Jun. 16, 2005, as Appl. No. 11/154,223.
Prior Publication US 2006/0285248 A1, Dec. 21, 2006
Int. Cl. G11B 5/56 (2006.01)
U.S. Cl. 360—294.7  [360/125.31; 360/125.74; 360/128] 16 Claims
OG exemplary drawing
 
1. A transducing device having a storage interface surface, the transducing device comprising:
a writer having a tip region;
a coil positioned around the writer, the coil having a width; and
a heating element extending between the writer and the coil and having heating conductors extending to proximate the storage interface surface and proximate the coil, wherein the heating conductors have a conductor width proximate the tip region that is greater than a second conductor width of the heating conductors proximate the coil.