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Optically black surface for producing the same

  • US 6,177,673 B1
  • Filed: 12/10/1998
  • Issued: 01/23/2001
  • Est. Priority Date: 12/10/1997
  • Status: Expired due to Term
First Claim
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1. A structure manufactured using the fabrication techniques of micro-electronics so as to include an optically black surface adapted to function as an absorber or emitter, respectively, over a predetermined wavelength range, said structure comprisingan electrically nonconducting support layer (1), a metallic mirror layer (2) made on said support layer (1), and a lossy layer (4) made on the support layer (1) and the metallic mirror layer (2) superimposed thereon, characterized in thatthe metallic mirror layer (2) is made on the upper surface of said support layer (1), the lossy layer (4) is made from a doped semiconductor material, and the thickness and doping of the lossy layer (4) are predetermined relative to each other so that the structure formed by the metallic mirror layer (2) with overlying layer structure comprised of said lossy layer will be optically matched over the predetermined wavelength range of absorption or emission, respectively, to a medium surrounding the structure.

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