Apparatus and method for producing ring patterns from electron d

Details Apparatus and method for producing ring patterns from electron d Apparatus and method for producing ring patterns from electron d

1974-07-18

1976-03-09

Greiner, Robert P.

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354 75, 355 75, 96 27R, G03B 2900

Patent

active

039435318

ABSTRACT:
An apparatus for producing ring patterns from electron diffraction spot patterns, which comprises in combination a transparent disc rotatably mounted, rotating means for said disc, a light source beneath said disc, and photographic means above said disc. The invention also embodies a method for producing ring pattern negatives from an electron diffraction spot pattern negative by photographing the spot pattern negative while it revolves at a speed of at least about 0.5 rps.

REFERENCES:
patent: 1391859 (1921-09-01), Schulze
patent: 1497851 (1924-06-01), Hering
patent: 3008372 (1961-11-01), Willey et al.
patent: 3148085 (1964-09-01), Wiegmann

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