Multiblade inner hole saw for the sawing of crystal rods into thin blades
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United States of America Patent
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-
May 30, 1989
Issued Date -
N/A
app pub date -
May 26, 1988
filing date -
Feb 14, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A multi-blade inner hole saw for the sawing of crystal rods or blocks, such as solar cell base material on a silicon base, into thin wafers has saw blades arranged mirror-symmetrically with respect to the bearing on either side of a common drive cylinder. In the sawing operation, the workpieces are sawn synchronously by the saw blades.
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