Gradient Structure Material and Functional Element Using the Same
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United States of America Patent
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Issued Date -
Nov 1, 2007
app pub date -
Jan 8, 2004
filing date -
Jan 9, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
There is disclosed a gradient structure material comprising a substrate 1 and a functional material 2 formed on the substrate. The gradient structure material is thermally treated while a desired gradient temperature is applied to a specific direction and a specific region of the functional material on the substrate. Consequently, without adding 'gradient structure' of a component concentration, a content of oxide, or a crystal structure, the functional material on the substrate is provided with useful function which is not heretofore existed, or a performance can be enhanced unlike a conventional technique.
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