Plasma-generating electrode device, an electrode-embedded articl

Details Plasma-generating electrode device, an electrode-embedded articl Plasma-generating electrode device, an electrode-embedded articl

1998-06-15

2000-08-15

Dang, Thi

Coating apparatus

Gas or vapor deposition

With treating means

219385, 219457, 21912143, 219 37, 118723R, 156345, C23C 1600

Patent

active

061019690

ABSTRACT:
A plasma generating electrode device including a substrate 31 made of a dense ceramic, and an electrode 55 buried in said substrate 31, wherein said electrode 55 is isolated from a setting face of said substrate 31, and plasma is generated over said substrate. It is preferable that the minimum thickness of an electromagnetic wave permeation layer 37 is not less than 0.1 mm, the average thickness of the electromagnetic wave permeation layer is not less than 0.5 mm, the electrode 55 is a planar electrode made of a metal bulk, and the electrode is a monolithic sinter free from a joint face. This structure can be applied to an electric dust collector, an electromagnetic shield device or an electrostatic chuck. These can be preferably installed inside a semiconductor production unit using a halogen-based corrosive gas. The electrode can be embedded in the dense substrate made of the joint-free, joint face-free monolithic sinter by hot press sintering a ceramic molding and the electrode made of the planar metal bulk under pressure applied in a thickness direction of the electrode.

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