作　　者： ; ; ; ; ;

机构地区： 电子部

出　　处： 《光子学报》 2004年第6期672-676,共5页

摘　　要： 采用高效长寿命的LaB6 单晶阴极电子枪作为电子束发射系统、轻便的等径双圆筒静电系统作为聚焦系统等技术研究了一种新型台式微束斑X射线源 通过在综合测试仪上的初步实验研究 ,表明该微束斑X射线源不仅可以连续辐射 ,而且可以脉冲辐射X射线 ,输出X射线束斑小、亮度高 此外 ,该台式X射线源具有体积小、重量轻 ,使用寿命长、造价低 。 A novel protable X-ray source with micro-beam was introduced in this paper.Eximious LaB 6 crystal cathode electro-gun is used as emitting system,it has a great lot of working hours,and the focusing system is comprised of two equal radius concentrating cylinder electrodes,it is effective,light and handy.Furthermore,the new X-ray source′s general-purpose capabilities such as continuous radiation and pulse radiation,focus size and luminance,were tested.The new X-ray source has the advantages of cheapness and dexterity and safety.

关 键 词： 微束斑 射线源 发射系统 聚焦系统 亮度

领　　域： [生物学] [生物学] [理学]