Method for preparing magnetic recording medium
US4743467A · kind A · utility
1Cited by
1References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 8, 1987 |
| Grant date | May 10, 1988 |
| Priority date | — |
| Expiry date | Sep 8, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S428/90
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A method of preparing a ferromagnetic recording medium is disclosed. The method includes charging a ferromagnetic material in an evaporator. The material is then irradiated with an electron beam having a beam current density of at least 0.1 A/cm.sup.2 in order to evaporate the material. The evaporated material is vapor deposited on a continuously travelling support in order to from the recording medium. The vapor deposition type magnetic recording medium produced has good metal film adhesion and durability.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.