Microwave plasma treatment apparatus

Details Microwave plasma treatment apparatus Microwave plasma treatment apparatus

1989-09-14

1990-10-02

Bueker, Richard

Coating apparatus

Gas or vapor deposition

With treating means

156345, C23C 1650

Patent

active

049600737

ABSTRACT:
A microwave plasma treatment apparatus comprises a plurality of auxiliary magnets arranged around the periphery of a plasma formation chamber. A plurality of auxiliary magnets are disposed along the circumference of the plasma formation chamber while a plurality of auxiliary magnets may also be arranged in the axial direction of the plasma formation chamber. Also, the magnetic poles of every auxiliary magnet are respectively reverse in polarity to the adjoining magnetic poles of an auxiliary magnet(s) disposed adjacent thereto either along the circumference of the plasma formation chamber or in the axial direction thereof. This enables the whole high-density plasma to be substantially uniform throughout the inside of the plasma formation chamber.

REFERENCES:
patent: 4401054 (1983-08-01), Matsuo

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