| 4597990 |
Preparation of magnetic recording media |
Hermann Roller, Joachim Hack, Uwe Woweries, August Lehner, Werner Grau +1 more |
1986-07-01 |
| 4557947 |
Process for polishing the surfaces of magnetic storage disks |
Karl Deimling, Aribert Krug, Peter Nagel, Rudolf Sand |
1985-12-10 |
| 4551359 |
Production of magnetic recording media |
August Lehner, Joachim Hack, Karl Krucker, Werner Balz, Karl H. Roemer +2 more |
1985-11-05 |
| 4382244 |
Device for magnetically orienting the magnetizable particles or magnetic recording media in a preferred direction |
Eberhard Koester, Paul Deigner, Dieter Schaefer, Karl Uhl |
1983-05-03 |
| 4357378 |
Magnetic recording media |
Guenter Vaeth, Rudolf Bachmann, Werner Senkpiel, Hans-Joerg Hartmann, Herbert Motz |
1982-11-02 |
| 4327139 |
Rigid magnetic recording disk having perfluoropolyether lubricant |
Dieter Schaefer, Herbert Motz, Dieter Mayer, Paul Deigner, Joachim Hack |
1982-04-27 |
| 4320171 |
Magnetic recording media containing elastomeric polyurethane binders in the magnetic coating |
Herbert Motz, August Lehner, Heinrich Hartmann, Rudolf Bachmann, Hans-Joerg Hartmann +4 more |
1982-03-16 |
| 4201149 |
Apparatus for spin coating in the production of thin magnetic layers for magnetic discs |
Eberhard Koester, Paul Deigner, Karl Uhl, Dieter Schaefer, Dieter Mayer +2 more |
1980-05-06 |
