US PATENT SUBCLASS 216 / 11
FORMING OR TREATING AN ARTICLE WHOSE FINAL CONFIGURATION HAS A PROJECTION

Current as of: June, 1999
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216 /   HD   ETCHING A SUBSTRATE: PROCESSES

11FORMING OR TREATING AN ARTICLE WHOSE FINAL CONFIGURATION HAS A PROJECTION

DEFINITION

Classification: 216/11

FORMING OR TREATING AN ARTICLE WHOSE FINAL CONFIGURATION HAS A PROJECTION:

(under the class definition) Process wherein etching is used in the forming or treating of an article whose final shape has at least one raised area above the normal planar surface, e.g.; pointer, sound needle, etc.

SEE OR SEARCH CLASS

438, Semiconductor Device Manufacturing: Process,

20, for manufacturing an electron emissive device utilizing a semiconductive substrate.

445, Electric Lamp or Space Discharge Component or Device Manufacturing,

46+, for making an electrode having a projection.

604, Surgery,

187+, for an aspirator syringe or injector.