Issued Patents All Time
Showing 25 most recent of 46 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9245564 | Soft underlayer having a multilayer structure for high areal density perpendicular recording media | Thomas C. Arnoldussen, Jack Jyh-Kau Chang, Arien Michael Ghaderi | 2016-01-26 |
| 9082442 | System, method and apparatus for onset magnetic oxide layer for high performance perpendicular magnetic recording media | Xiaoping Bian, Jyh-Kau Chang, Weikang Shen, Kai Tang | 2015-07-14 |
| 8580409 | Perpendicular magnetic recording media having a dual onset layer | Xiaoping Bian, Jack Jyh-Kau Chang | 2013-11-12 |
| 8395857 | Simulating discrete track media with continuous media for head evaluation | Kezhao Zhang, Jizhong He, Shanlin Duan, Jane Jie Zhang | 2013-03-12 |
| 7969675 | Determination of the quality of an erase process for perpendicular magnetic recording disks | Shanlin Duan, Jane Jie Zhang, Kezhao Zhang | 2011-06-28 |
| 7529049 | Method and system for testing of magnetic disks using F-BER | Shanlin Duan, Li Tang, Jane Jie Zhang | 2009-05-05 |
| 7271967 | System and method for determining whether defect in perpendicular recording disk drive is from thermal asperity or defect in magnetically soft underlayer | Li Tang, Jane Jie Zhang, Shanlin Duan | 2007-09-18 |
| 7173415 | System, method, and apparatus for detecting signal-to-noise ratio decay in perpendicular magnetic recording | Shanlin Duan, Jizhong He, Jane Jie Zhang | 2007-02-06 |
| 7027734 | Dynamic multi-channel power equalizer and regulator | Lin Feng Wu, Yuqiao Liu, Wei-Shin Tsay | 2006-04-11 |
| 7023658 | Submicron track-width pole-tips for electromagnetic transducers | Kenneth E. Knapp, Ronald A. Barr, Billy W. Crue, Jr. | 2006-04-04 |
| 6944938 | Method of forming a magnetoresistive device | Billy W. Crue, Jr., Mark D. Thomas, Renuka Apparao | 2005-09-20 |
| 6894877 | Compact MR write structure | Bill Crue, Lijun Tong, Carlos Corona | 2005-05-17 |
| 6829819 | Method of forming a magnetoresistive device | Billy W. Crue, Jr., Mark D. Thomas, Renuka Apparao | 2004-12-14 |
| 6792183 | Method for bonding aligned optical parts and apparatus thereof | Yuqiao Liu, Li Wang, Wei-Shin Tsay | 2004-09-14 |
| 6756071 | Method for manufacturing a GMR spin valve having a smooth interface between magnetic and non-magnetic layers | Ming Mao, Qunwen Leng | 2004-06-29 |
| 6721149 | Tunneling magnetoresistance spin-valve read sensor with LaNiO3 spacer | Qun Wen Leng, Zi-Weng Dong | 2004-04-13 |
| 6674953 | Controllably variable optical attenuator | Tongxin Lu, Minh Tran, Jerry Lee | 2004-01-06 |
| 6633464 | Synthetic antiferromagnetic pinned layer with Fe/FeSi/Fe system | Chih-Huang Lai, Hua-Ching Tong, Robert Earl Rottmayer, Charles W. Miller | 2003-10-14 |
| 6584271 | Dual fiber variable optical attenuator | Yuqiao Liu, Jay Dehkordi, Minh Tran, Peter C. Chang, Lee Zhang | 2003-06-24 |
| 6515573 | Method and system for providing edge-junction TMR utilizing a hard magnet as a pinned layer | Zi-Wen Dong, Qunwen Leng | 2003-02-04 |
| 6496330 | Magnetic write head having a splitcoil structure | Billy W. Crue, Jr., Mark D. Thomas, Lien-Chang Wang | 2002-12-17 |
| 6483662 | High density multi-coil magnetic write head having a reduced yoke length and short flux rise time | Mark D. Thomas, Billy W. Crue, Jr., Sonny Tran | 2002-11-19 |
| 6479096 | Method for manufacturing a GMR spin valve having a smooth interface between magnetic and non-magnetic layers | Ming Mao, Qunwen Leng | 2002-11-12 |
| 6466404 | Magnetic read/write device with insulated coil layer recessed into pole | Billy W. Crue, Jr., Renuka Apparao, Ken Young, Mark S. Seymour | 2002-10-15 |
| 6466402 | Compact MR write structure | Bill Crue, Lijun Tong, Carlos Corona | 2002-10-15 |