(under subclass 1) Method for removing or eliminating undesired or foreign material from the surface of a workpiece or manufactured product.
SEE OR SEARCH THIS CLASS, SUBCLASS:
5, for methods including use of electric arc or current for removing an undesired particle, i.e., spot knocking.
55, for methods including the introduction of getter material.
SEE OR SEARCH CLASS
15, Brushing, Scrubbing, and General Cleaning,
1.51+, for electrostatic cleaning.
29, Metal Working, 81.01+, for removing scale from metal workpiece.
134, Cleaning and Liquid Contact With Solids, see
1.1, 1.2, 1.3 for cleaning of specialized materials with or without plasma, for processes of cleaning or treating various solids (including electrodes and blanks) with liquids, and including the acid treatment of metals in subclasses 3, 37, 28, and 41.
205, Electrolysis: Processes, Compositions Used Therein, and Methods of Preparing the Compositions,
640+, for electrolytic erosion to change the shape or surface configuration of a workpiece (e.g., etching, polishing, etc.).
216, Etching a Substrate: Processes, for methods of chemical etching.
