Coating processes – Electrical product produced – Integrated circuit – printed circuit – or circuit board
Patent
1987-04-17
1989-04-18
Thibodeau, Paul J.
Coating processes
Electrical product produced
Integrated circuit, printed circuit, or circuit board
427130, 427240, 4273722, 428694, 428900, G11B 570
Patent
active
048226343
ABSTRACT:
A longitudinal magnetic coated recording medium includes at least planar magnetic particles, each having an easy magnetization axis perpendicular to the planar surface thereof, preferably mixed with other particles, and dispersed in a magnetic film formed on a nonmagnetic substrate, having a orientation angle of -30.degree. to +30.degree.. A process for producing such a recording medium includes the step of orienting the planar magnetic particles by applying a magnetic field approximately in parallel to the surface of the magnetic film.
REFERENCES:
patent: 4482578 (1984-11-01), Akoshi et al.
patent: 4518627 (1985-05-01), Foley et al.
patent: 4552808 (1985-11-01), Fujiyama et al.
patent: 4578280 (1986-03-01), Greiner et al.
patent: 4696831 (1987-09-01), Sakaguchi et al.
patent: 4699840 (1987-10-01), Yashiro et al.
Fukushima Shigeru
Itoh Ken-ich
Narumi Toshikatu
Ogawa Seiya
Takahashi Jun
Fujitsu Limited
Thibodeau Paul J.
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