US PATENT SUBCLASS 510 / 175
.~.~ For printed or integrated electrical circuit, or semiconductor device

Current as of: June, 1999
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510 /   HD   CLEANING COMPOSITIONS FOR SOLID SURFACES, AUXILIARY COMPOSITIONS THEREFOR, OR PROCESSES OF PREPARING THE COMPOSITIONS

108  DF  CLEANING COMPOSITIONS OR PROCESSES OF PREPARING (E.G., SODIUM BISULFATE COMPONENT, ETC.) {21}
109  DF  .~ For cleaning a specific substrate or removing a specific contaminant (e.g., for smoker's pipe, etc.) {50}
175.~.~ For printed or integrated electrical circuit, or semiconductor device {2}
176  DF  .~.~.~> For stripping photoresist material
177  DF  .~.~.~> Azeotropic or azeotrope-like composition (e.g., for defluxing, etc.) {1}

DEFINITION

Classification: 510/175

For printed or integrated electrical circuit, or semiconductor device:

(under subclass 109) Compositions specialized for cleaning printed or integrated electrical circuits or semiconductor devices, such as computer chips.