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Fluorescent transilluminator requiring no visible light-cutting filter

  • US 6,774,382 B2
  • Filed: 12/13/2002
  • Issued: 08/10/2004
  • Est. Priority Date: 12/26/2001
  • Status: Expired due to Term
First Claim
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1. A fluorescent transilluminator housing an ultraviolet source and emitting ultraviolet rays from said ultraviolet source to an outside object to be irradiated, whereinsaid ultraviolet source emits only ultraviolet rays having a sharp line spectrum and the ultraviolet rays from said ultraviolet source is irradiated to said object through a space and/or a member transmitting light with wavelengths equal to or longer than 300 nm ranging from the ultraviolet region to the visible light region.

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