Optical window with vacuum film holder

Details Optical window with vacuum film holder Optical window with vacuum film holder

1983-05-05

1985-07-02

Punter, William H.

Work holders

Relatively movable jaws

Jaw features

269 21, G02B 2134, B25B 1100

Patent

active

045264457

ABSTRACT:
Apparatus is disclosed for mounting a specimen and retaining the specimen flat against an optical viewing area by means of vacuum without any mechanical contact being applied to the top of the specimen. The apparatus comprises a plate having an optical viewing area which is surrounded by a vacuum cavity. The vacuum cavity is connected to a vacuum port on an edge of the plate via a vacuum tube which extends through the plate.

REFERENCES:
patent: 1882919 (1932-10-01), Robbins
patent: 2235310 (1941-03-01), Bausch
patent: 3572794 (1971-03-01), Sepall
patent: 3848962 (1974-11-01), Nelson
patent: 4197005 (1980-04-01), Sippel
patent: 4205914 (1980-06-01), Anderson et al.
patent: 4448404 (1984-05-01), Ogawa et al.
Wirtz et al, "Holding Fixture for Thickness Measuring Apparatus" IBM Tech. Disc. Bull, 8-1979, pp. 1105.
Fisher, "Microscope Slides", Fisher Scientific Cat. 1963, pp. 700-701.

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