US PATENT SUBCLASS 204 / 485
.~.~.~.~ Using mask

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


204 /   HD   CHEMISTRY: ELECTRICAL AND WAVE ENERGY

*  DD  PROCESSES AND PRODUCTS {7}
450  DF  .~ Electrophoresis or electro-osmosis processes and electrolyte compositions therefor when not provided for elsewhere {14}
471  DF  .~.~ Coating or forming of object {13}
484  DF  .~.~.~ Plural coating operations {2}
485.~.~.~.~ Using mask

DEFINITION

Classification: 204/485

Using mask:

(under subclass 484) Process in which a mask is used to shield selected areas of the substrate during coating.