Low dielectric constant polyorganosilicon coatings generated from polycarbosilanes
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United States of America Patent
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May 1, 2001
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N/A
app pub date -
Jun 7, 1999
filing date -
Jun 7, 1999
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Abstract
Polyorganosilicon dielectric coatings are prepared by subjecting specified polycarbosilanes to thermal or high energy treatments to generate cross-linked polyorganosilicon coatings having low k dielectric properties. The thermal process includes multi-step sequentially increasing temperature heating steps. The instantly prepared polyorganosilicon polymers can be employed as dielectric interconnect materials and film coatings for conductor wiring in semiconductor devices. These polyorganosilicon film coatings have the additional characteristics of relative thermal stability and excellent adhesion to substrate surfaces.
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