|
US6149696A
|
Colloidal silica slurry for NiP plated disk polishing |
Expired / Lapsed
|
1997-11-06 |
2000-11-21 |
27 |
Details
|
|
US5658659A
|
Magnetic alloy and method for manufacturing same |
Expired / Lapsed
|
1994-08-05 |
1997-08-19 |
25 |
Details
|
|
US4898774A
|
Corrosion and wear resistant magnetic disk |
Expired / Lapsed
|
1986-12-17 |
1990-02-06 |
31 |
Details
|
|
US4749459A
|
Method for manufacturing a thin film magnetic recording med… |
Expired / Lapsed
|
1986-03-10 |
1988-06-07 |
20 |
Details
|