原子能科学技术
原子能科學技術
원자능과학기술
ATOMIC ENERGY SCIENCE AND TECHNOLOGY
2014年
6期
1123-1126
,共4页
安坤%王广甫%于令达%吴冰冰
安坤%王廣甫%于令達%吳冰冰
안곤%왕엄보%우령체%오빙빙
溅射离子源%电离器电源%开关电源%H -流强
濺射離子源%電離器電源%開關電源%H -流彊
천사리자원%전리기전원%개관전원%H -류강
sputtering ion source%ionizer power supply%switching power supply%beam intensity of H -
本文采用直径为2.5 mm的不锈钢铠装热丝研制了透射型表面电离器,并对离子源电源进行了改进。用连续可调直流开关电源代替原装交流电源作为电离器电源,用置于地电位的0~-20 kV电源代替原悬浮于-20 kV引出电压上的10 kV浸没透镜电源。给出了改进后GIC41172×1.7 M V串列加速器前法拉第杯 H -流强随电离器加热电流的变化曲线。
本文採用直徑為2.5 mm的不鏽鋼鎧裝熱絲研製瞭透射型錶麵電離器,併對離子源電源進行瞭改進。用連續可調直流開關電源代替原裝交流電源作為電離器電源,用置于地電位的0~-20 kV電源代替原懸浮于-20 kV引齣電壓上的10 kV浸沒透鏡電源。給齣瞭改進後GIC41172×1.7 M V串列加速器前法拉第杯 H -流彊隨電離器加熱電流的變化麯線。
본문채용직경위2.5 mm적불수강개장열사연제료투사형표면전리기,병대리자원전원진행료개진。용련속가조직류개관전원대체원장교류전원작위전리기전원,용치우지전위적0~-20 kV전원대체원현부우-20 kV인출전압상적10 kV침몰투경전원。급출료개진후GIC41172×1.7 M V천렬가속기전법랍제배 H -류강수전리기가열전류적변화곡선。
A transmission surface type ionizer was developed with a φ2.5 mm stainless steel sheath core heating cable ,and the ion source power supply was also improved .A continuous adjustable DC switching power supply was employed instead of the original AC power supply as the ionizer power supply ,and a 0--20 kV DC power supply at the ground potential as the power of the immersion lens replaced the original 10 kV DC power supply suspended in -20 kV .The variation of the beam intensity of H - in the front Faraday cup of the GIC4117 2 × 1.7 MV tandetron with the ionizer heating current w as also show n .