Apparatus for optically inspecting printer die motifs

Details Apparatus for optically inspecting printer die motifs Apparatus for optically inspecting printer die motifs

1989-06-29

1991-06-11

Rosenberger, Richard A.

Optics: measuring and testing

By polarized light examination

With light attenuation

356138, 356383, G01B 1100

Patent

active

050227629

ABSTRACT:
An apparatus for optically inspecting printer die motifs, with the inspection including measuring the length, width, and depth of motifs, and measuring the circumferential separation of two motifs when more than one motif is disposed on the same printer die, the apparatus includes microscope optics supported by a stand, a table for supporting a precision divider head upon which the printer die carrying the motif is mounted, with the table being movable in an "X" and "Y" direction in a plane perpendicular to the axis of the optical path issuing from the optics, the precision divider head for rotating the printer die motif through the optical path of the optics, a first digital micrometer to measure length of a motif, a second digital micrometer to measure the width of a motif, a dial indicator to measure the depth of a motif, and the rotational indicator to measure the circumferential separation of two motifs on the same printer die.

REFERENCES:
patent: 1761260 (1930-06-01), Gallasch
patent: 2607270 (1952-08-01), Briggs
patent: 3334541 (1967-08-01), Delp
patent: 3804523 (1974-04-01), McCormack
Bausch & Lomb Optical Co., "Toolmakers' Microscope", Optical Instruments for the Metal Working Industries (12-1933), pp. 9-11.
MSC Industrial Supply Co., Catalog, 1989, pp. 907, 819, 728.

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