Method of making a magnetic recording medium

Details Method of making a magnetic recording medium Method of making a magnetic recording medium

1981-05-29

1983-05-31

Pianalto, Bernard D.

Coating processes

Electrical product produced

Integrated circuit, printed circuit, or circuit board

118726, 219121EB, 219121EM, 219420, 219421, 427128, 427132, B05D 306

Patent

active

043861130

ABSTRACT:
A method of making a magnetic recording medium including a step of continuously depositing a ferromagnetic layer with the use of electron beam for heating an evaporation source material. A container for retaining said source material in a heating position is made of a ceramics having a composition comprising 97 to 99 wt % of MgO, 0.2 to 0.5 wt % of Al.sub.2 O.sub.3 and 0.4 to 1 wt % of SiO.sub.2.

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