高亮度、长寿命电子枪研制
项目来源
国(略)研(略)((略)D(略)
项目主持人
张(略)
项目受资助机构
中(略)院(略)研(略)
项目编号
2(略)Y(略)1(略)0(略)
立项年度
2(略)
立项时间
未(略)
研究期限
未(略) (略)
项目级别
国(略)
受资助金额
5(略)0(略)
学科
增(略)与(略)造(略)技(略)
学科代码
未(略)
基金类别
未(略)
关键词
增(略) (略)子(略) (略);(略)化(略) (略)度(略)寿(略) (略);(略)d(略)v(略)a(略)a(略)r(略) (略)l(略)r(略)g(略);(略)t(略)e(略)l(略)h(略)m(略)x(略)r(略) (略)u(略)n(略)e(略)t(略) (略)e(略)p(略)r(略)p(略)
参与者
阴(略)
参与机构
未(略)
项目标书摘要:针对(略)靠电子源的迫切需求(略)LaB6)阴极组件(略)真空抽气系统、电子(略)制工作。 (略)和两种机械夹持单晶(略)阴极发射面尺寸为1(略) 0.85mm。焊(略)4Pa真空条件下,(略)寿命达到615小时(略)件均可支取6A/c(略)。 (略)样机,电源主要参数(略)62kV,栅偏电压(略)0A。高压电源在加(略)定性≤0.01%,(略) 完成了电(略)构方案和制造。在第(略)室)为1Pa的情况(略)枪)的极限真空度实(略) Pa。 (略)镧阴极电子枪的设计(略)发射束流进行电子光(略)子枪组件结构参数与(略)加速电压60kV条(略)正常,阴极发射束流(略)B法测试束斑时,在(略)射束流为30 mA(略)μm。满足需求。 (略)情影响,单电子枪连(略)93小时。 (略)顺利,中期任务基本(略)要求。
Applicati(略): In view(略)ent deman(略)erformanc(略)reliable (略)source in(略)anufactur(略)hode asse(略)thanum he(略)B6),high (略)nd high v(略)r supply,(略)erential (略)system,el(略)design an(略)g,and ele(略)est have (略)ped and c(略) Suc(略)eveloped (略)elding an(略)nical cla(略)e crystal(略)hexaborid(略)omponents(略)s of emit(略)e surface(略)mm × 1 mm(略).85 mm.At(略)a vacuum,(略) cathode (略)nt densit(略) and a se(略)of 615 ho(略)ssion cur(略)y above 6(略)e obtaine(略) clamped (略)ponents. (略) stabilit(略)voltage p(略) has been(略)successfu(略)n paramet(略)power sup(略)ut 380V,h(略) 62kV,gat(略)kV,filame(略)After hea(略)hour,the (略)n voltage(略)of power (略)ess than (略)he accele(略)age rippl(略)nt is les(略) Th(略) design o(略)ge differ(略)um system(略)on gun is(略)When the (略)he first-(略)m chamber(略)mber)is 1(略)al vacuum(略)rd-stage (略)ber(elect(略)ch 4.5×10(略) The de(略)nufacture(略)crystal l(略)thode ele(略)ave been (略)he electr(略)imulation(略)zation ar(略)ut for be(略)ameter an(略)beam flow(略)esults sh(略)er the co(略)60kV acce(略)ltage,the(略)eam of th(略)e detecte(略)athode em(略) reaches (略)he beam s(略)ing by AB(略)the case (略)beam spot(略)e emissio(略)ent is 30(略)he electr(略)t is 350μ(略)needs of (略). (略) the 2019(略)onia epid(略)ngle elec(略)s been te(略)total of (略)f continu(略)-free ope(略)ill be ma(略)e next st(略)ect.The w(略)meters of(略)on gun ar(略)The worki(略)f the ele(略)s 4.5×10-(略)ximum acc(略)oltage is(略)he maximu(略)0 mA. (略)rd,the re(略)his proje(略)essing sm(略)interim t(略)een compl(略)e main te(略)exes have(略)e require(略)
项目受资助省
北(略)
- (略)