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Shunt barrier in pulse oximeter sensor

  • US 20070021661A1
  • Filed: 09/25/2006
  • Published: 01/25/2007
  • Est. Priority Date: 03/05/1996
  • Status: Active Grant
First Claim
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1. A sensor comprising:

  • a substrate layer;

    a light emitter coupled to the substrate layer;

    a light detector coupled to the substrate layer; and

    a partially opaque layer configured to attenuate light shunted from the light emitter to the light detector, wherein the partially opaque layer is disposed in a location such that light emitted from the light emitter passes through the partially opaque layer.

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