Electrostatic gripping device

Electricity: electrical systems and devices – Electric charge generating or conducting means – Use of forces of electric charge or field

Reexamination Certificate

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Details

C361S758000, C361S235000, C361S145000, C029S744000, C029S825000, C279S128000, C269S008000

Reexamination Certificate

active

07075772

ABSTRACT:
An electrostatic gripper for moving wafers includes bipolar electrodes with an insulating layer of zirconium oxide, which are positioned on a circuit board. The gripper is produced by a pressing process and can be operated with a DC voltage of less than 900 V. As a result, heating of the wafer is almost completely prevented even under a vacuum.

REFERENCES:
patent: 4822091 (1989-04-01), Vermeer et al.
patent: 5103367 (1992-04-01), Horwitz et al.
patent: 5880924 (1999-03-01), Kumar et al.
patent: 6075375 (2000-06-01), Burkhart et al.
patent: 6272002 (2001-08-01), Mogi et al.
patent: 6557248 (2003-05-01), Shamouilian et al.
patent: 6602813 (2003-08-01), Shinji et al.
patent: 6678143 (2004-01-01), Masuda et al.
patent: 2004/0060172 (2004-04-01), Heiland

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