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Blood glucose monitoring system

  • US 6,110,522 A
  • Filed: 04/16/1998
  • Issued: 08/29/2000
  • Est. Priority Date: 06/07/1995
  • Status: Expired due to Term
First Claim
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1. A method of manufacturing a rotating optical filter for use in blood glucometry, said method of manufacturing comprising:

  • producing an optical substrate having a top and a bottom; and

    depositing layers of optical coatings on said top such that said layers increase in thickness over said top of said substrate in a first direction and such that said layers remain substantially constant in thickness in a second direction perpendicular to said first direction, such that the layers are wedge-shaped.

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