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 | | .~.~.~.~.~.~ Depositing magnetic layer or coating {2} |
603.14 | DF | .~.~.~.~.~.~.~> Plural magnetic deposition layers |
603.15 | DF | .~.~.~.~.~.~.~> With etching or machining of magnetic material |