Title:
切削ブレード、切削ブレードの装着方法、及び被加工物の加工方法
Document Type and Number:
Japanese Patent JP7446667
Kind Code:
B2
Abstract:
To provide a cutting blade which can highly maintain accuracy of processing.SOLUTION: A cutting blade that is mounted on a spindle so as to be sandwiched between a first flange fixed to a spindle and a second flange corresponding to the first flange and is used when a workpiece is processed includes: an annular cutting blade part having a first surface contacting the first flange and a second surface opposite to the first surface; and a mark part provided on the cutting blade part, in which a part outside the radial direction of the cutting blade part is curved toward the first flange contacting the first surface, and the mark part is provided so as to identify the first surface and the second surface.SELECTED DRAWING: Figure 3
Inventors:
Yasushi Tominaga
Naotaka Oshima
Naotaka Oshima
Application Number:
JP2019137606A
Publication Date:
March 11, 2024
Filing Date:
July 26, 2019
Export Citation:
Assignee:
Disco Co., Ltd.
International Classes:
B24D5/12; B24B27/06; B24B45/00; H01L21/301
Domestic Patent References:
| JP2018130812A | ||||
| JP2003145431A | ||||
| JP2018060864A |
Foreign References:
| US20140238375 |
Attorney, Agent or Firm:
Akira Matsumoto
Tomohiro Okamoto
Takahiro Kasahara
Hideaki Okamoto
Takayuki Okano
Tomohiro Okamoto
Takahiro Kasahara
Hideaki Okamoto
Takayuki Okano