US 9,812,164 B2
Read head characteristic pre-detection
Mingyeong Son, Gyeonggi-do (KR); Seungyoul Jeong, Gyeonggi-do (KR); Man Sik Shim, Gyeonggi-do (KR); and Woo Chan Kim, Gyeonggi-do (KR)
Assigned to SEAGATE TECHNOLOGY LLC, Cupertino, CA (US)
Filed by Seagate Technology LLC, Cupertino, CA (US)
Filed on Jan. 25, 2017, as Appl. No. 15/415,060.
Application 15/415,060 is a continuation of application No. 14/932,140, filed on Nov. 4, 2015, granted, now 9,589,592.
Prior Publication US 2017/0133052 A1, May 11, 2017
This patent is subject to a terminal disclaimer.
Int. Cl. G11B 21/02 (2006.01); G11B 20/10 (2006.01); G11B 5/02 (2006.01); G11B 20/18 (2006.01)
CPC G11B 20/10009 (2013.01) [G11B 5/02 (2013.01); G11B 20/1816 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method comprising:
applying voltage to a read head during an unload state; and
detecting characteristic read head data responsive to the applied voltage.