Apparatus for detecting the surface of a member to be ground, me

Details Apparatus for detecting the surface of a member to be ground, me Apparatus for detecting the surface of a member to be ground, me

1994-12-14

1996-07-02

Kisliuk, Bruce M.

Abrading

Precision device or process - or with condition responsive...

By optical sensor

73104, 73105, B24B 4900

Patent

active

055316328

ABSTRACT:
An apparatus for detecting a surface of a member to be ground in which feelers are disposed on, or in close proximity to, the surface of the member to be ground, a sensor detects the displacement of the feeler as a projection on the member to be ground comes into contact with the feeler when the member to be ground is moved, and the projection is detected by an output signal from the sensor and an amount of movement of the member to be ground. An automatic inspection/grinding apparatus for grinding a projection is also disclosed. Projections and the like on the surface of the member to be ground, such as a color filter, can be detected and ground accurately and simply.

REFERENCES:
patent: 4803871 (1989-02-01), Harada et al.
patent: 4864777 (1989-09-01), McLaughlin et al.
patent: 4984393 (1991-01-01), Rogers, Jr.
patent: 5272443 (1993-12-01), Winchip et al.
patent: 5301545 (1994-04-01), Meyer et al.

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