Fishing – trapping – and vermin destroying
Patent
1989-01-27
1990-03-13
Hearn, Brian E.
Fishing, trapping, and vermin destroying
148DIG45, 148DIG64, 427 38, 437 5, 437 87, 437170, 437914, 437937, H01L 2120
Patent
active
049083295
ABSTRACT:
A process for the formation of a functional deposited film containing atoms belonging to the group II and VI of the periodical table as the main constituent atoms by introducing, into a film forming space for forming a deposited film on a substrate disposed therein, a group II compound (1) and a group VI compound (2) as the film-forming raw material and, if required, a compound (3) containing an element capable of controlling valence electrons for the deposited film as the constituent element each in a gaseous state, or in a state where at least one of such compounds is previously activated in an activation space disposed separately from the film forming space, while forming hydrogen atoms in an excited state which cause chemical reaction with at least one of the compounds (1), (2) and (3) in the gaseous state or in the activated state in an activation space different from the film forming space and introducing them into the film-forming space, thereby forming the functional deposited film on the substrate, wherein the hydrogen atoms in the excited state are formed from a hydrogen gas or a gas mixture composed of a hydrogen gas and a rare gas by means of a microwave plasma generated in a plasma generation chamber disposed in a cavity resonator integrated with two impedance matching circuits in a microwave circuit and the excited state of the hydrogen atom is controlled.
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Arai Takayoshi
Kanai Masahiro
Kawakami Soichiro
Murakami Tsutomu
Bunch William
Canon Kabushiki Kaisha
Hearn Brian E.
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