Electricity: electrical systems and devices – Electric charge generating or conducting means – Use of forces of electric charge or field
Reexamination Certificate
2007-10-09
2007-10-09
Leja, Ronald W. (Department: 2836)
Electricity: electrical systems and devices
Electric charge generating or conducting means
Use of forces of electric charge or field
Reexamination Certificate
active
11052229
ABSTRACT:
An electrostatic chuck is provided in which a lower oxide coating, an electrode, and an upper oxide coating are formed on a substrate. The lower oxide coating is formed by spraying an oxide of Gd, Tb, Dy, Ho, Er, Tm, Yb or Lu and has a dielectric strength of 15-50 kV/mm.
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Maeda Takao
Shima, legal representative Yuko
Birch, Stewart, Kolasch & Birhc, LLP
Leja Ronald W.
Shin-Etsu Chemical Co. , Ltd.
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