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FUJI ELECTRIC DEVICE TECHNOLOGY
| FUJI ELECTRIC DEVICE TECHNOLOGY Patent applications | ||
| Patent application number | Title | Published |
|---|---|---|
| 20080311827 | Chamfering apparatus, a grinding wheel, and a chamfering method - A chamfering apparatus for chamfering an outer periphery of a disk-shaped substrate includes a grinding member having a circular hole inside thereof, wherein the hole has a diameter larger than an outer diameter of the substrate. An inner periphery of the grinding member forming the hole is a grinding surface and grinds the outer periphery of the substrate. | 12-18-2008 |