Polishing apparatus

Abrading – Precision device or process - or with condition responsive... – Computer controlled

Reexamination Certificate

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Details

C451S008000, C451S009000, C451S010000, C451S041000, C451S066000, C451S067000

Reexamination Certificate

active

06929529

ABSTRACT:
The present invention relates to a polishing apparatus for polishing a workpiece such as a semiconductor wafer. The polishing apparatus has a processing section including a polishing section (1) for polishing a semiconductor wafer (6) and a cleaning section (10) for cleaning a polished semiconductor wafer, a receiving section (40) for supplying a semiconductor wafer (6) to be polished to the processing section and receiving a polished semiconductor wafer (6), and a cleaning chamber (20) disposed between the processing section and the receiving section and defined by partitions (102, 103) with shutters (22, 24) which separate the processing section and the receiving section from each other.

REFERENCES:
patent: 4197679 (1980-04-01), Yamada et al.
patent: 5074079 (1991-12-01), Park
patent: 5382127 (1995-01-01), Garric et al.
patent: 5468302 (1995-11-01), Thietje
patent: 5498199 (1996-03-01), Karlsrud et al.
patent: 5498294 (1996-03-01), Matsushita et al.
patent: 5518542 (1996-05-01), Matsukawa et al.
patent: 5655954 (1997-08-01), Oishi et al.
patent: 5679059 (1997-10-01), Nishi et al.
patent: 5725414 (1998-03-01), Moinpour et al.
patent: 5830045 (1998-11-01), Togawa et al.
patent: 5860640 (1999-01-01), Marohl et al.
patent: 5885138 (1999-03-01), Okumura et al.
patent: 5893794 (1999-04-01), Togawa et al.
patent: 5904611 (1999-05-01), Takahashi et al.
patent: 6036582 (2000-03-01), Aizawa et al.
patent: 6050884 (2000-04-01), Togawa et al.
patent: 6149500 (2000-11-01), Takahashi et al.
patent: 6439962 (2002-08-01), Ato
patent: 60-80241 (1985-08-01), None
patent: 6080241 (1985-08-01), None
patent: 3-64477 (1991-03-01), None
patent: 6-252110 (1994-09-01), None
patent: 7-56879 (1995-06-01), None
patent: 7-230974 (1995-08-01), None
patent: 7-508685 (1995-09-01), None
patent: 8-66865 (1996-03-01), None
patent: 8-153694 (1996-06-01), None
patent: 8-153697 (1996-06-01), None
patent: 8-243916 (1996-09-01), None
U.S. Appl. No. 09/358,252 filed Jul. 20, 1999 (pending).

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