Coating processes – Electrical product produced – Integrated circuit – printed circuit – or circuit board
Patent
1986-09-02
1988-02-09
Pianalto, Bernard D.
Coating processes
Electrical product produced
Integrated circuit, printed circuit, or circuit board
427 42, 427128, H01F 1002
Patent
active
047241560
ABSTRACT:
In manufacturing a magnetic recording medium, a flow of iron vapor is formed in a nitrogen atmosphere and iron vapor particles in the flow of iron vapor are deposited on a non-magnetic substrate together with nitrogen particles to form an iron nitride film thereon. Before deposition on the non-magnetic substrate, the nitrogen particles are ionized by an ion beam generating means and the iron vapor particles are ionized by a high-frequency discharge.
REFERENCES:
patent: 4557944 (1985-10-01), Arai et al.
Arai Yoshihiro
Shirahata Ryuji
Yasunaga Tadashi
Ferguson Jr. Gerald J.
Foycik, Jr. Michael J.
Fuji Photo Film Co. , Ltd.
Hoffman Michael P.
Pianalto Bernard D.
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