Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
CIRCUMFERENTIAL POLISHING DEVICE FOR DISC-SHAPED WORKPIECES
Document Type and Number:
WIPO Patent Application WO/2013/168444
Kind Code:
A1
Abstract:
[Problem] To provide a circumferential polishing device capable of polishing edges of a workpiece having different bevel angles. [Solution] An edge polishing unit (2A, 2B) that polishes edges (Ea, Eb) on the front and back faces of a workpiece (W) comprises: a polishing part mount (11) to which a polishing part (10) is mounted; a mount support part (12) that tiltably supports the polishing part mount (11); an angle adjusting mechanism for the mount (13) that adjusts the tilt angle of the polishing part mount (11); an oscillation support base (15) that pivotably supports the mount support part (12) along an oscillation line; a base support (17) that tiltably supports the oscillation support base (15); an angle adjusting mechanism for a base (18) that adjusts the tilt angle of the oscillation support base (15) so that the same is parallel to the workpiece (W) edge (Eb); and a base (19) that supports the base support (17) in the horizontal and vertical directions so that the position can be corrected.

Inventors:
KATO TADAHIRO (JP)
ENARI AKITOSHI (JP)
IRAGO MITSUTAKA (JP)
Application Number:
PCT/JP2013/053485
Publication Date:
November 14, 2013
Filing Date:
February 14, 2013
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
SHINETSU HANDOTAI KK (JP)
SPEEDFAM CO LTD (JP)
International Classes:
B24B9/00; H01L21/304
Foreign References:
JP2002144201A2002-05-21
JP2002137155A2002-05-14
JP2003145399A2003-05-20
JP2005026274A2005-01-27
JPH11221744A1999-08-17
JP2009018364A2009-01-29
Attorney, Agent or Firm:
HAYASHI Naoki et al. (JP)
Tadao Hayashi tree (JP)
Download PDF: