| 摘要 |
PROBLEM TO BE SOLVED: To provide a substrate machining method for preventing a ridge between a substrate surface and a chamfered surface from locally wearing and preventing the chamfered form from varying when a chamfered substrate is to be sandblasted. SOLUTION: In sandblasting the substrate surface, a plate material 2 is placed in contact with or in the proximity with the periphery of the substrate 1 to protrude from the substrate surface toward a blast nozzle, for sandblasting the substrate surface. COPYRIGHT: (C)2005,JPO&NCIPI |
