US PATENT SUBCLASS 347 / 200
.~ Specific resistance recording element type

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.~ Specific resistance recording element type {8}
201  DF  .~.~> Edge or end face type
202  DF  .~.~> Glazed layer
203  DF  .~.~> Protective layer
204  DF  .~.~> Heat resistance layer
205  DF  .~.~> Head substrate
206  DF  .~.~> Heating resistive elements
207  DF  .~.~> Having auxiliary means for conducting heat
208  DF  .~.~> Specific conductor means (e.g., electrode, conducting pattern, etc.) {1}

DEFINITION

Classification: 347/200

Specific resistance recording element type:

(under subclass 171) Subject matter comprising details of the recording means having a head substrate and a plurality of overlap layers in which one of the layers generates heat to produce the symbol or mark on the record receiver.

SEE OR SEARCH THIS CLASS, SUBCLASS:

20+, for print head in an ink jet recorder.

SEE OR SEARCH CLASS

346, Recorders,

139, for markers in phenomenal recorders.

430, Radiation Imagery Chemistry: Process, Composition, or Product Thereof, appropriate subclasses for chemical composition in thermos:graphic process.