Abstract

The errors involved in dimensional measurements with the microscope are discussed, together with their reduction by calibration with objects of known size. A method is described for the preparation of disk objects from spheres of known diameter, using a series of evaporated thin films.

© 1962 Optical Society of America

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References

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  1. R. P. Loveland, A.S.T.M. Symposium on Light Microscopy, No. 143, p. 94 (1952).
  2. W. T. Welford, Optics in Metrology (Pergamon Press, London, 1960), p. 85.
  3. E. B. Bradford, J. W. Vanderhoff, J. Appl. Phys. 26, 864 (1955).
    [CrossRef]
  4. P. N. Slater, Optics in Metrology (Pergamon Press, London, 1960), p. 269.

1955 (1)

E. B. Bradford, J. W. Vanderhoff, J. Appl. Phys. 26, 864 (1955).
[CrossRef]

Bradford, E. B.

E. B. Bradford, J. W. Vanderhoff, J. Appl. Phys. 26, 864 (1955).
[CrossRef]

Loveland, R. P.

R. P. Loveland, A.S.T.M. Symposium on Light Microscopy, No. 143, p. 94 (1952).

Slater, P. N.

P. N. Slater, Optics in Metrology (Pergamon Press, London, 1960), p. 269.

Vanderhoff, J. W.

E. B. Bradford, J. W. Vanderhoff, J. Appl. Phys. 26, 864 (1955).
[CrossRef]

Welford, W. T.

W. T. Welford, Optics in Metrology (Pergamon Press, London, 1960), p. 85.

J. Appl. Phys. (1)

E. B. Bradford, J. W. Vanderhoff, J. Appl. Phys. 26, 864 (1955).
[CrossRef]

Other (3)

P. N. Slater, Optics in Metrology (Pergamon Press, London, 1960), p. 269.

R. P. Loveland, A.S.T.M. Symposium on Light Microscopy, No. 143, p. 94 (1952).

W. T. Welford, Optics in Metrology (Pergamon Press, London, 1960), p. 85.

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Figures (2)

Fig. 1
Fig. 1

Making opaque disks: (a) polystryene sphere on microscope slide, (b) rock salt evaporated on, (c) silver evaporated on, (d) silver removed by dissolving rock salt in water and settled on fresh slide, (e) more silver evaporated on, (f) first silver layer washed off leaving opaque silver discs equal in diameter to original spheres.

Fig. 2
Fig. 2

1.171 μ diameter disks.

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