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Class Information
Number: 356/393
Name: Optics: measuring and testing > By configuration comparison > With projection on viewing screen > For comparison with master or desired configuration > Having master or desired configuration projection
Description: Subject matter including means to project a master or desired shape on the viewing screen in addition to an image of the test configuration.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6846598 |
Manufacturing method of photomask and photomask |
Jan. 25, 2005 |
| 6635405 |
Print quality test structure for lithographic device manufacturing |
Oct. 21, 2003 |
| 6381013 |
Test slide for microscopes and method for the production of such a slide |
Apr. 30, 2002 |
| 6205240 |
Optical profile sensor |
Mar. 20, 2001 |
| 6175417 |
Method and apparatus for detecting defects in the manufacture of an electronic device |
Jan. 16, 2001 |
| 6157451 |
Sample CD measurement system |
Dec. 5, 2000 |
| 6134001 |
Fluid diagnostic technique |
Oct. 17, 2000 |
| 5237384 |
Laser positioner and marking method using the same |
Aug. 17, 1993 |
| 4911543 |
Microscope viewing apparatus for viewing a specimen image and an optical overlay pattern image in a comparison manner |
Mar. 27, 1990 |
| 4692881 |
Device for discriminating attitude of parts |
Sep. 8, 1987 |
| 4458993 |
Fingerprint comparator |
Jul. 10, 1984 |
| 4392155 |
Method and apparatus for image subtraction in order to extract non-common information from two light images |
Jul. 5, 1983 |
| RE31143 |
Measurement system |
Feb. 8, 1983 |
| 4309826 |
Apparatus for determining the diameter of corrective lenses |
Jan. 12, 1982 |
| 4232968 |
Optical comparator with 3-D image |
Nov. 11, 1980 |
| 4131337 |
Comparison reader for holographic identification cards |
Dec. 26, 1978 |
| 4027978 |
Method and apparatus for non-contact measurement of a gauge of a high temperature material |
Jun. 7, 1977 |
| 4000948 |
Target method and systems for bonding machines |
Jan. 4, 1977 |
| 3976383 |
Visual method of locating faults in printed circuit boards |
Aug. 24, 1976 |
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