| 6036824 |
Magnetic recording disk sputtering process and apparatus |
— |
2000-03-14 |
| 5626970 |
Sputtered magnetic thin film recording disk |
— |
1997-05-06 |
| 5529674 |
Cylindrical hollow cathode/magnetron sputtering system and components thereof |
— |
1996-06-25 |
| 5437778 |
Slotted cylindrical hollow cathode/magnetron sputtering device |
— |
1995-08-01 |
| 5316864 |
Sputtered magnetic recording disk |
— |
1994-05-31 |
| 5082747 |
Magnetic recording disk and sputtering process and apparatus for producing same |
— |
1992-01-21 |
| 5073245 |
Slotted cylindrical hollow cathode/magnetron sputtering device |
— |
1991-12-17 |
| 4983415 |
Method of making permanent images on recording surface having a thermosensitive color-developing layer thereon |
Douglas C. Arndt |
1991-01-08 |
| 4958066 |
Financial instrument verification and method of production |
— |
1990-09-18 |
| 4917987 |
Method of enhancing the resolution of a fingerprint image in a fingerprint recording system |
Douglas C. Arndt |
1990-04-17 |
| 4894133 |
Method and apparatus making magnetic recording disk |
— |
1990-01-16 |
| 4735840 |
Magnetic recording disk and sputtering process and apparatus for producing same |
— |
1988-04-05 |
| 4182261 |
Credit card printer for fingerprints and solutions |
Jay L. Smith |
1980-01-08 |