Issued Patents All Time
Showing 151–175 of 176 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6221481 | High Cr, low saturation magnetization intermediate magnetic layer for high coercivity and low medium noise | Zhong (Stella) Wu | 2001-04-24 |
| 6218003 | Magnetic recording medium containing a Cr(TiO2) underlayer | Zhong Stella Wu | 2001-04-17 |
| 6207269 | High substrate bias sputtering underlayer for longitudinal recording media | Zhong Stella Wu | 2001-03-27 |
| 6156422 | High density magnetic recording medium with high Hr and low Mrt | Zhong (Stella) Wu | 2000-12-05 |
| 6150016 | High coercivity magnetic recording medium comprising a thin CoCrTa intermediate layer | Xing Song, Qixu Chen, Charles Leu | 2000-11-21 |
| 6146754 | Substantially isotropic magnetic recording medium comprising a seedlayer | Xing Song, Qixu Chen, Charles Leu | 2000-11-14 |
| 6139950 | Magnetic recording medium containing a Cr(HfO.sub.2) or Cr(ZrO.sub.2) | Zhong Stella Wu | 2000-10-31 |
| 6139951 | Magnetic recording medium with low temperature seedlayer for high signal-to-noise ratio | Qixu Chen, Xing Song, Charles Leu | 2000-10-31 |
| 6132863 | Magnetic recording medium with grain size control layer | Xing Song, Qixu Chen, Charles Leu | 2000-10-17 |
| 6120890 | Magnetic thin film medium comprising amorphous sealing layer for reduced lithium migration | Qixu Chen, Xing Song, Liji Huang, Charles Leu | 2000-09-19 |
| 6117570 | Thin film medium with surface-oxidized NiAl seed layer | Qixu Chen, Liji Huang, Charles Leu | 2000-09-12 |
| 6110582 | Substantially two dimensional isotropic magnetic recording medium comprising a NiAl underlayer | Zhong (Stella) Wu | 2000-08-29 |
| 6013161 | Thin film magnetic alloy having low noise, high coercivity and high squareness | Tu Chen, Tsutomu Yamashita, John Ko-Jen Chen, Keith Kadokura, Ting Joseph Yuen | 2000-01-11 |
| 5976326 | Method of sputtering selected oxides and nitrides for forming magnetic media | Miaogen Lu, Tsutomu Yamashita, Tu Chen | 1999-11-02 |
| 5908514 | Magnetic alloy for improved corrosion resistance and magnetic performance | Tu Chen, Tsutomu Yamashita, John Ko-Jen Chen | 1999-06-01 |
| 5851688 | Thin film magnetic alloy having low noise, high coercivity, and high squareness | Tu Chen, Tsutomu Yamashita, John Ko-Jen Chen, Keith Kadokura, Ting Joseph Yuen | 1998-12-22 |
| 5840394 | Method of manufacturing a thin film magnetic recording medium having low MrT value and high coercivity | Miaogen Lu | 1998-11-24 |
| 5820963 | Method of manufacturing a thin film magnetic recording medium having low MrT value and high coercivity | Miaogen Lu | 1998-10-13 |
| 5736013 | Method for forming an improved magnetic media including sputtering of selected oxides or nitrides in the magnetic layer, and apparatus for same | Miaogen Lu, Tsutomu Yamashita, Tu Chen | 1998-04-07 |
| 5658659 | Magnetic alloy and method for manufacturing same | Tu Chen, Tsutomu Yamashita, Miaogen Lu, Keith Kadokura, John Ko-Jen Chen +1 more | 1997-08-19 |
| 5631094 | Magnetic alloy for improved corrosion resistance and magnetic performance | Tu Chen, Tsutomu Yamashita, John Ko-Jen Chen | 1997-05-20 |
| 5507930 | Method of sputtering a carbon protective film on a magnetic disk by superimposing an AC voltage on a DC bias voltage | Tsutomu Yamashita, Kyou H. Lee, Yuri Trachuk | 1996-04-16 |
| 5506017 | Method for texturing magnetic media | Kuo-Hsiu HUANG, Caroline A. Ross | 1996-04-09 |
| 5162158 | Low noise magnetic thin film longitudinal media | Jodie A. Christner | 1992-11-10 |
| 5108781 | Process for manufacturing selectively textured magnetic recording media | David Lambeth | 1992-04-28 |