US PATENT SUBCLASS 29 / 603.18
.~.~.~.~.~.~ By etching


Current as of: June, 1999
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29 /   HD   METAL WORKING

592  DF  METHOD OF MECHANICAL MANUFACTURE {54}
592.1  DF  .~ Electrical device making {14}
602.1  DF  .~.~ Electromagnet, transformer or inductor {6}
603.01  DF  .~.~.~ Magnetic recording reproducing transducer (e.g., tape head, core, etc.) {4}
603.07  DF  .~.~.~.~ Fabricating head structure or component thereof {7}
603.16  DF  .~.~.~.~.~ Machining magnetic material (e.g., grinding, etching, polishing) {2}
603.18.~.~.~.~.~.~ By etching


DEFINITION

Classification: 29/603.18

By etching:

(under subclass 603.16) Process wherein the shaping is done by electrolytic or chemical action.