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Inspection illuminator

  • US 6,533,429 B2
  • Filed: 01/10/2002
  • Issued: 03/18/2003
  • Est. Priority Date: 01/12/2001
  • Status: Expired due to Fees
First Claim
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1. An inspection illuminator, wherein a plurality of illuminant rows are provided in each of which a multiplicity of illuminants are circularly aligned so as to encircle an opening formed approximately in the center;

  • a plurality of annular transparent bodies for dispersing light from the illuminants of said illuminant rows and guiding such light toward the central axis side of said opening are layered at the front part of such illuminant rows in a state of being optically shielded with a shielding means; and

    the light emitting face of said transparent bodies are formed into an inclined plane, such that the upper part thereof is closer to the central axis.

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