US PATENT SUBCLASS 356 / 359
.~ For optical configuration

Current as of: June, 1999
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356 /   HD   OPTICS: MEASURING AND TESTING

345  DF  BY LIGHT INTERFERENCE (E.G., INTERFEROMETERS) {11}
359.~ For optical configuration {1}
360  DF  .~.~> With two light beams (e.g., Twyman-Green)

DEFINITION

Classification: 356/359

For optical configuration:

(under subclass 345) Subject matter wherein one of the light beams is reflected from or transmitted through an object, to determine the relative disposition of the parts or elements, or the external form of the object.

SEE OR SEARCH THIS CLASS, SUBCLASS:

348, for holos:graphic, interferometric optical configuration measuring and testing.