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    • 1. 发明授权
    • Image intensifier
    • 图像增强器
    • US6005239A
    • 1999-12-21
    • US988236
    • 1997-12-10
    • Hideki SuzukiMinoru KondoMasuo ItoYoshitoshi Ishihara
    • Hideki SuzukiMinoru KondoMasuo ItoYoshitoshi Ishihara
    • G02B6/06G02B6/08H01J29/18H01J29/38H01J29/89H01J31/50H01J29/24
    • G02B6/08H01J29/385H01J29/892
    • In an image intensifier comprising an entrance faceplate, made of a material transparent to light, having a photoelectric surface, formed on a surface opposite to a light entrance surface, for photoelectrically converting incident light into an electron; and an optical fiber block, constituted by a plurality of optical fibers bundled together, having a phosphor face at an end face of each optical fiber on the light entrance side, for emitting light in response to the electron incident thereon; the photoelectric surface of the entrance faceplate and the phosphor face of the optical fiber block opposing each other, while a vacuum atmosphere being formed therebetween; the optical fiber block is provided with a pit in which an end face of a core portion of each optical fiber is recessed from an end face of a cladding portion thereof, the bottom of the pit is filled with a phosphor, the surface of this phosphor is provided with a metal back layer, the cladding portion projects from the surface of the phosphor toward the entrance surface by a predetermined height, and the projecting surface of the cladding portion is provided with a metal film.
    • 在包括由与光入射面相反的表面上形成的具有光电表面的由光透明的材料制成的入射面板的图像增强器中,用于将入射光光电转换成电子; 以及由多个光纤束组合构成的光纤块,在光入射侧的每个光纤的端面上具有荧光体面,用于响应于入射到其上的电子发光; 入口面板的光电面和光纤块的荧光体面彼此相对,同时在其间形成真空气氛; 光纤块设置有凹坑,其中每个光纤的芯部的端面从其包层部分的端面凹陷,凹坑的底部填充有荧光体,该荧光体的表面 设置有金属背层,包层部从荧光体的表面向入射面突出规定的高度,并且包层部的突出面设置有金属膜。
    • 3. 发明授权
    • Illuminant, and, electron beam detector, scanning electron microscope and mass spectroscope each including the same
    • 光源,和电子束检测器,扫描电子显微镜和质谱仪均包括在内
    • US07030388B2
    • 2006-04-18
    • US10679517
    • 2003-10-07
    • Yasufumi TakagiMinoru NiigakiShoichi UchiyamaMinoru KondoItaru Mizuno
    • Yasufumi TakagiMinoru NiigakiShoichi UchiyamaMinoru KondoItaru Mizuno
    • H01J37/244
    • H01J49/025H01J37/244H01J2237/2445
    • The present invention relates to an illuminant, etc., having a high response speed and a high luminous intensity. The illuminant comprises a substrate and a nitride semiconductor layer provided on one surface of the substrate. The nitride semiconductor layer emits fluorescence in response to incidence of electrons. At least part of the emitted fluorescence passes through the substrate, and then exits from the other surface of the substrate. Generation of the fluorescence is caused by incidence of electrons onto a quantum well structure of the nitride semiconductor layer and recombination of pairs of electrons and holes generated due to electron incidence, and the response speed of fluorescence generation is on the order of nanoseconds or less. Also, the luminous intensity of the fluorescence becomes equivalent to that of a conventional P47 fluorescent substance. Namely, the illuminant has a response speed and a luminous intensity that are sufficient for adaptation to scanning electron microscopes and mass spectroscopes.
    • 本发明涉及具有高响应速度和高发光强度的发光体等。 光源包括衬底和设置在衬底的一个表面上的氮化物半导体层。 氮化物半导体层响应于电子的入射发射荧光。 发射的荧光的至少一部分通过衬底,然后从衬底的另一表面离开。 荧光的产生是由于电子发射到氮化物半导体层的量子阱结构和由于电子入射而产生的电子和电子对的复合而引起的,并且荧光产生的响应速度在数量级以下。 此外,荧光的发光强度等同于常规P47荧光物质的发光强度。 即,发光体具有对扫描电子显微镜和质谱进行适应的响应速度和发光强度。