Abrading – Abrading process – Glass or stone abrading
Reexamination Certificate
2007-11-21
2010-11-23
Rachuba, Maurina (Department: 3727)
Abrading
Abrading process
Glass or stone abrading
C451S150000, C451S469000
Reexamination Certificate
active
07837536
ABSTRACT:
The polishing apparatus that polishes an inner circumferential surface of a disk-shaped substrate including a portion having a hole at the center thereof, the polishing apparatus is provided with: a rotating table that holds piled workpieces in which a plurality of disk-shaped substrates are piled, a polishing brush that is inserted into a portion having the hole of the disk-shaped substrates of the piled workpieces and is rotated, a cover member that covers the piled workpieces, and a polishing-liquid flowing-in unit that flows polishing liquid into the portion having the hole of the disk-shaped substrates of the piled workpieces covered by the cover member.
REFERENCES:
patent: 658416 (1900-09-01), Yale
patent: 2358464 (1944-09-01), Mayer
patent: 2363217 (1944-11-01), Woodling
patent: 4276674 (1981-07-01), Hunt
patent: 4646479 (1987-03-01), Walker et al.
patent: 4756044 (1988-07-01), Clark
patent: 4882879 (1989-11-01), Warner et al.
patent: 5045091 (1991-09-01), Abrahamson et al.
patent: 5358311 (1994-10-01), Drumm
patent: 5406669 (1995-04-01), Lesiw
patent: 6615613 (2003-09-01), Iwabuchi et al.
patent: 2008/0176489 (2008-07-01), Haneda et al.
patent: 58-140050 (1983-09-01), None
patent: 60-052265 (1985-03-01), None
patent: 11-33886 (1999-02-01), None
patent: 11-221742 (1999-08-01), None
patent: 2000185927 (2000-07-01), None
patent: 2001-162510 (2001-06-01), None
patent: 2004-155652 (2004-06-01), None
patent: 2004-174191 (2004-06-01), None
patent: 2004342307 (2004-12-01), None
patent: 2005220018 (2005-08-01), None
patent: 2005-288073 (2005-10-01), None
patent: 2006-015450 (2006-01-01), None
patent: 2006-102040 (2006-04-01), None
Haneda Kazuyuki
Sato Yosuke
Citizen Seimitsu Co., Ltd.
Rachuba Maurina
Showa Denko K.K.
Sughrue & Mion, PLLC
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