Surface smoothing apparatus for magnetic recording medium

Details Surface smoothing apparatus for magnetic recording medium Surface smoothing apparatus for magnetic recording medium

1983-07-19

1991-04-30

Lowe, James

Plastic article or earthenware shaping or treating: apparatus

Control means responsive to or actuated by means sensing or...

Temperature control

4251748E, 4251748R, 425363, B29C 5904, B30B 304

Patent

active

050113950

ABSTRACT:
A smoothing apparatus which includes at least one set of two rolls at least one of which is a metal roll, and a high-frequency dielectric heater positioned prior to the rolls. A magnetic recording medium is first heated by the high-frequency dielectric heater and then pressed between the rolls to smooth the surface of the magnetic layer of the magnetic recording medium.

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