US PATENT SUBCLASS 347 / 205
.~.~ Head substrate

Current as of: June, 1999
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347 /   HD   INCREMENTAL PRINTING OF SYMBOLIC INFORMATION

171  DF  THERMAL MARKING APPARATUS OR PROCESSES {20}
200  DF  .~ Specific resistance recording element type {8}
205.~.~ Head substrate

DEFINITION

Classification: 347/205

Head substrate:

(under subclass 200) Subject matter comprising chemical composition or configuration details of a base layer.