Adhesive bonding and miscellaneous chemical manufacture – Differential fluid etching apparatus – With microwave gas energizing means
Patent
1990-10-17
1994-02-08
Hearn, Brian E.
Adhesive bonding and miscellaneous chemical manufacture
Differential fluid etching apparatus
With microwave gas energizing means
156643, 427589, 427575, 118723FI, 118723R, 118723MW, 118723I, 20429804, 20429834, 20429836, H01L 2100
Patent
active
052845443
ABSTRACT:
An apparatus for surface treatment according to the present invention used for carrying out dry etching, thin film deposition and so forth is provided with a neutral beam etching apparatus in order to improve etching rate. In an embodiment, microwave wave-guides forming a duplex tube, a discharge tube, a pair of solenoids arranged coaxially, a multiaperture electrode for extracting an ion beam, gas supply pipes, a set of charged particle retarding grids, a device for controlling temperature of a specimen and a vacuum unit are provided.
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Journal Of Electrochemical Society, Solid-State Science and Technology, vol. 126, Jun. 1979, pp. 1024-1028, Manchester, US; K. Suzuki et al. "The roles of ions and neutral active species in microwav plasma etching".
Japanese Journal Of Applied Physics, B-1-2, 1989; 21st Conference On Solid State Devices And Materials, Tokyo, 28-30 Aug. 1989, pp. 153-156; K. Nojiri et al.: "Microwave plasma etching of silicon dioxide for half-micron ULSIs".
"Directional Reactive Ion Etching at Oblique Angles"; by Boyd et al.; Appl. Phys. Lett. 36(7), pp. 583-585.
Mizutani Tatsumi
Yunogami Takashi
Goudreau George
Hearn Brian E.
Hitachi , Ltd.
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