US PATENT SUBCLASS 29 / 603.15
.~.~.~.~.~.~.~ With etching or machining of magnetic material

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}
603.09  DF  .~.~.~.~.~ Including measuring or testing {4}
603.13  DF  .~.~.~.~.~.~ Depositing magnetic layer or coating {2}
603.15.~.~.~.~.~.~.~ With etching or machining of magnetic material

DEFINITION

Classification: 29/603.15

With etching or machining of magnetic material:

(under subclass 603.13) Process wherein the deposited magnetic layer is chemically or mechanically shaped by removing material therefrom.