Electricity: electrical systems and devices – Electric charge generating or conducting means – Use of forces of electric charge or field
Reexamination Certificate
2006-07-11
2006-07-11
Trinh, Minh (Department: 3729)
Electricity: electrical systems and devices
Electric charge generating or conducting means
Use of forces of electric charge or field
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.
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Integrated Dynamics Engineering GmbH
Trinh Minh
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