Composite material and method of producing the same
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Nov 26, 2002
Grant Date -
Sep 27, 2001
app pub date -
Feb 20, 2001
filing date -
Feb 21, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A composite material has a quartz glass phase and a complex compound phase compounded with the quartz glass phase, which is made of one or more compounds selected from a group of silicon carbide, silicon nitride, silicon, titanium nitride and titanium carbide, as a main ingredient. The composite material can be used instead of quartz glass, and can prevent the generations of microcrack, tipping and particles after the mechanical working.
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