US PATENT SUBCLASS 427 / 502
.~.~.~ Magnetic recording medium formed

Current as of: June, 1999
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427 /   HD   COATING PROCESSES

457  DF  DIRECT APPLICATION OF ELECTRICAL, MAGNETIC, WAVE, OR PARTICULATE ENERGY {15}
487  DF  .~ Polymerization of coating utilizing direct application of electrical, magnetic, wave, or particulate energy (i.e., including cross-linking, curing, and hardening of organics) {8}
496  DF  .~.~ High energy electromagnetic radiation or high energy particles utilized (e.g., gamma rays, X-rays, atomic particles, i.e., alpha rays, beta rays, electrons, etc.) {9}
502.~.~.~ Magnetic recording medium formed

DEFINITION

Classification: 427/502

Magnetic recording medium formed:

(under subclass 496) Processes which result in a device or material being produced which is used to store or record information by a magnetic means.

SEE OR SEARCH THIS CLASS, SUBCLASS:

500, for processes forming magnetic recording media utilizing colorant or pigment.

548, for processes forming magnetic recording media which utilize magnetic field or force to treat a substrate prior to coating or to treat a previously coated substrate.

599, for processes forming magnetic recording media which utilize magnetic field or force for the direct application of the coating material.