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특허 상세정보

Ion generating apparatus and method for the use thereof

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) H01J-007/46    H01J-019/80   
미국특허분류(USC) 315/39 ; 315/11141 ; 315/11181 ; 313/23131
출원번호 US-0468897 (1983-02-23)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 82  인용 특허 : 9
초록

A radio frequency wave ion generating apparatus which provides a thin disc shaped plasma adjacent an ion attracting means is described. The radio frequency waves are preferably microwaves. Several improvements to microwave plasma generation are described including the steps of generation of a resonantly sustained microwave discharge inside a microwave/plasma coupler or cavity (11) to ignite the plasma; probe (14) and length tuning of the microwave/plasma coupler by means of a sliding short (12) during operation of the plasma and minimization of the plasm...

대표
청구항

In an ion generating apparatus including a plasma source employing a radio frequency wave coupler which is excited in one or more of its TE or TM modes of resonance to produce the plasma in the coupler and optionally including a static magnetic field which aids in confining the ions in the coupler including a probe inside the coupler which couples the radio frequency waves to the coupler and including ion attracting means for attracting the ions from said plasma preferably by means of a suitable voltage potential which accelerates the ions, the improveme...

이 특허를 인용한 특허 피인용횟수: 82

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