US PATENT SUBCLASS 427 / 9
.~ Thickness or uniformity of thickness determined

Current as of: June, 1999
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427 /   HD   COATING PROCESSES

8  DF  MEASURING, TESTING, OR INDICATING {1}
9.~ Thickness or uniformity of thickness determined {1}
10  DF  .~.~> Electrical or optical

DEFINITION

Classification: 427/9

(under subclass 8) Processes wherein a determination is made as to the depth or variation in the depth of a coating on a base.