Highly solar-energy absorbing device and method of making the same
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United States of America Patent
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Feb 24, 1981
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N/A
app pub date -
May 24, 1978
filing date -
May 24, 1978
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Abstract
The invention contemplates a highly solar-energy absorbing device wherein the surface exposed to incident solar energy is a particularly characterized roughness of an amorphous semiconductor material, the particular characterization being that of an array of outwardly projecting structural elements of relatively high aspect ratio and at effective lateral spacings which are or include those in the order of magnitude of wavelengths within the solar-energy spectrum.
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