Sawing wire
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United States of America Patent
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N/A
Issued Date -
Dec 9, 2004
app pub date -
Apr 30, 2004
filing date -
Nov 13, 2001
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A sawing yarn comprises an abrasive mixture which contains a bonding resin and an abrasive material, as well as a multifilament core made of fibers which are resistant to breaking. The fibers are arranged substantially parallel to one another and are enveloped by the abrasive mixture. The bonding resin contains no polytetrafluoroethylene, and the quantity of abrasive material in the mixture gradually decreases from the surface of the abrasive yarn inward. The yarn is suitable for cutting hard and brittle materials such as single-crystal silicon.
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