Layer thickness gradient control in multilayer polymeric bodies
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United States of America Patent
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Feb 14, 1995
Grant Date -
N/A
app pub date -
Jun 7, 1993
filing date -
Jun 7, 1993
priority date (Note) -
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Abstract
Methods and apparatus for generating, and then precisely controlling, layer thickness gradients in multilayered polymeric reflective bodies are provided. The creation of such gradients is useful in tailoring multilayer bodies to reflect and/or transmit desired wavelengths of light. Both thermal and mechanical methods, as well as combinations thereof, are used.
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