HALATION-PREVENTION FILTER, IMAGE ANALYSIS DEVICE EQUIPPED WITH SAID HALATION-PREVENTION FILTER, AND DIFFRACTION PATTERN INTENSITY ANALYSIS METHOD AND DIFFRACTION PATTERN INTENSITY CORRECTION PROGRAM THAT USE SAID HALATION-PREVENTION FILTER
Patent No. 6,873,403 and 6,878,509
Issued: March 29, 2005 and April 12, 2005
Inventor: Takami; Tomohide (39-2, Minamimagome 4-chome, ota-ku, Tokyo, JP 143-0025)
An image analysis device 1 is equipped with the photoreceptive means 11 that optically acquires diffraction pattern A that appears on the fluorescent screen 24 in order to obtain the diffraction pattern resulting from reflection high-energy electron diffraction, and the halation-prevention filter 12 provided so as to transmit the visible light emitted from the diffraction pattern A of the fluorescent screen 24, along the light path connecting the photoreceptive means 11 and the fluorescent screen 24. Also, the filter 12 is varied so that the transmittance of the visible light transmitted through the filter 12 is minimum at the filter center and increases with the distance from the center.
Both patents are a divisions of application Ser. No. 10/136,542, filed May 1, 2002, now abandoned, entitled "HALATION-PREVENTION FILTER, IMAGE ANALYSIS DEVICE EQUIPPED WITH SAID HALATION-PREVENTION FILTER, AND DIFFRACTION PATTERN INTENSITY ANALYSIS METHOD AND DIFFRACTION PATTERN INTENSITY CORRECTION PROGRAM THAT USE SAID HALATION-PREVENTION FILTER", which claimed an invention which was disclosed in Japanese application number 2001-325324, filed Oct. 12, 2001.
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