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Thin film sample support

  • US 5,958,345 A
  • Filed: 03/14/1997
  • Issued: 09/28/1999
  • Est. Priority Date: 03/14/1997
  • Status: Expired due to Fees
First Claim
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1. A sample holder for retaining a liquid sample in a localized region and configured for subsequent analytical processing in a beam of electromagnetic radiation, the sample holder comprising:

  • a substantially planar sample support surface for providing a localized region for receiving a test sample and having a central portion and an exterior portion disposed to substantially surround the central portion, one of the central portion and the exterior portion having a hydrophilic surface, and the other of the central portion and the exterior portion having a hydrophobic surface, the central and exterior portions of the sample support surface being formed of a material which resists spectral contamination.

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