(under subclass 46) Method wherein the fabricated or manufactured electrode is a panel having lateral dimensions much larger than its thickness and which is provided with an array of perforations or equivalent arrangement such as that located adjacent the screen of a cathode-ray tube to delineate the path of various electron or light beams within the tube as in a color television picture tube.
SEE OR SEARCH THIS CLASS, SUBCLASS:
37, for method including an assembly or disassembly step wherein a CRT mask is made - see the search notes thereunder.
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216, Etching a Substrate: Processes,
56, involving etching to produce porous or perforated article.
427, Coating Processes,
58+, for coating methods of making an electrical product.