Electricity: electrical systems and devices – Electric charge generating or conducting means – Use of forces of electric charge or field
Patent
1997-10-29
2000-05-30
Fleming, Fritz
Electricity: electrical systems and devices
Electric charge generating or conducting means
Use of forces of electric charge or field
361212, 279128, H02N 1300
Patent
active
060697857
ABSTRACT:
A method for restoring an electrostatic chuck force of an electrostatic chuck in a plasma apparatus includes the steps of only supplying a source gas, and applying a source power, but not an RF bias, to the plasma apparatus to induce a positive plasma. The positive plasma discharges any accumulated negative charge on the electrostatic chuck.
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patent: 5681424 (1997-10-01), Saito et al.
patent: 5746928 (1998-05-01), Yen et al.
Fleming Fritz
LG Semicon Co. Ltd.
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