US PATENT SUBCLASS 427 / 549
.~.~.~.~ Running length substrate

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}
532  DF  .~ Pretreatment of substrate or post-treatment of coated substrate {9}
547  DF  .~.~ Magnetic field or force utilized {2}
548  DF  .~.~.~ Magnetic recording medium or device formed {1}
549.~.~.~.~ Running length substrate

DEFINITION

Classification: 427/549

Running length substrate:

(under subclass 548) Processes wherein the magnetic medium to be coated travels longitudinally of itself, the length of which is continuous or uninterrupted.