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1.
公开(公告)号:US08901808B2
公开(公告)日:2014-12-02
申请号:US13894186
申请日:2013-05-14
Applicant: Futaba Corporation
Inventor: Yuki Iwai , Kazuhito Nakamura , Yoshitaka Sato , Kiyoyuki Deguchi
CPC classification number: C09K11/7706 , H01J1/63 , H01J63/06
Abstract: The invention provides a new ultraviolet light-emitting material and ultraviolet light source in which bacteriocidal performance, operating life, and luminescence efficiency are enhanced without any risk of adversely affecting human bodies. An ultraviolet light-emitting material has a composition as represented by Formula (A): (Al1-xScx)2O3 (A) where a dopant, Sc is added to a matrix, Al2O3, and x satisfies 0
Abstract translation: 本发明提供了一种新的紫外光发射材料和紫外光源,其中杀菌性能,使用寿命和发光效率得到提高,而不会对人体产生不利影响。 紫外线发光材料具有由式(A)表示的组成:(Al1-xScx)2O3(A),其中掺杂剂Sc添加到基体中,Al 2 O 3和x满足0
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2.
公开(公告)号:US20130313964A1
公开(公告)日:2013-11-28
申请号:US13894186
申请日:2013-05-14
Applicant: Futaba Corporation
Inventor: Yuki Iwai , Kazuhito Nakamura , Yoshitaka Sato , Kiyoyuki Deguchi
CPC classification number: C09K11/7706 , H01J1/63 , H01J63/06
Abstract: The invention provides a new ultraviolet light-emitting material and ultraviolet light source in which bacteriocidal performance, operating life, and luminescence efficiency are enhanced without any risk of adversely affecting human bodies. An ultraviolet light-emitting material has a composition as represented by Formula (A): (Al1−xScx)2O3 (A) where a dopant, Sc is added to a matrix, Al2O3, and x satisfies 0
Abstract translation: 本发明提供了一种新的紫外光发射材料和紫外光源,其中杀菌性能,使用寿命和发光效率得到提高,而不会对人体产生不利影响。 紫外线发光材料具有由式(A)表示的组成:(Al1-xScx)2O3(A),其中掺杂剂Sc添加到基体中,Al 2 O 3和x满足0
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公开(公告)号:US10014147B2
公开(公告)日:2018-07-03
申请号:US14469724
申请日:2014-08-27
Applicant: Futaba Corporation , Hamamatsu Photonics Kabushiki Kaisha
Inventor: Akira Matsumoto , Kiyoyuki Deguchi , Yuuichi Kogure , Kazuhito Nakamura , Tomoyuki Okada , Toru Fujita , Tatsuya Nakamura
CPC classification number: H01J35/045 , H01J35/04 , H01J35/06 , H01J35/116 , H01J35/16 , H01J35/18 , H01J35/186
Abstract: Provided is an X-ray tube which can perform stable X-ray radiation under a desired condition in a radiation region extending in a predetermined direction. Included are a base plate having an opening portion and made of alloy 426, an X-ray transmission window made of titanium foil and arranged to close the opening portion of the base plate, a flat box-like vessel portion attached to the base plate and inside of which is in a vacuum state, an X-ray target provided at the opening portion in the vessel portion, and an electron source injecting electrons to the X-ray target in the vessel portion. The electron source includes a liner cathode, a first control electrode pulling out electrons from the cathode and a second control electrode restricting radiation range of the pulled-out electrons. At this time, X-rays emitted from the X-ray window spreads radially from opening shape of the opening portion.
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公开(公告)号:US10014149B2
公开(公告)日:2018-07-03
申请号:US14762477
申请日:2013-11-05
Applicant: Futaba Corporation , HAMAMATSU PHOTONICS K.K.
Inventor: Tatsuya Nakamura , Norimasa Kosugi , Naoki Okumura , Yoshitaka Sato , Akira Matsumoto , Yoshihisa Marushima , Kazuhito Nakamura
Abstract: In an X-ray radiation source, a counter wall made of alkali-containing glass, out of walls of a housing of an X-ray tube, is sandwiched between a filament and an electric field control electrode to each of which a negative high voltage is applied. This configuration prevents an electric field from being generated in the counter wall and thus suppresses precipitation of alkali ions from the glass. Therefore, it prevents change in potential relationship between electrodes at different potentials such as the filament, grid, and target and enables stable operation to be maintained, without occurrence of a trouble of failure in maintaining a desired X-ray amount.
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公开(公告)号:US09263227B2
公开(公告)日:2016-02-16
申请号:US14027176
申请日:2013-09-14
Applicant: Futaba Corporation , Hamamatsu Photonics Kabushiki Kaisha
Inventor: Akira Matsumoto , Kiyoyuki Deguchi , Yoshihisa Marushima , Yuuichi Kogure , Kazuhito Nakamura , Tomoyuki Okada , Toru Fujita , Tatsuya Nakamura
CPC classification number: H01J35/16 , H01J35/18 , H01J2235/087 , H01J2235/168
Abstract: An X-ray tube includes a radiopaque substrate including a window portion, an X-ray transmission window closing the window portion, an X-ray target provided at the window portion from an inner surface side of the substrate, a highly-evacuated container portion attached to the inner surface of the substrate, a cathode, a first control electrode and a second control electrode provided inside the container portion. A shielding electrode is provided at the inner surface of the substrate so as to surround the window portion. Electrons collide with the X-ray target to generate X-rays. Electrons reflected on the X-ray target between the shielding electrodes are absorbed by the shielding electrodes, so an inner surface of the container portion is not charged. The electron emission from the cathode is not affected by the reflected electrons, so a change in target current is small, and thus X-rays of substantially constant intensity can be radiated.
Abstract translation: X射线管包括:不透射线的基板,包括窗口部分,关闭窗口部分的X射线透射窗口,从基板的内表面侧设置在窗口部分处的X射线靶;高度抽真空的容器部分 连接到基板的内表面,阴极,第一控制电极和设置在容器部分内的第二控制电极。 屏蔽电极设置在基板的内表面上以围绕窗口部分。 电子与X射线靶碰撞以产生X射线。 在屏蔽电极之间的X射线靶上反射的电子被屏蔽电极吸收,容器部分的内表面不被充电。 来自阴极的电子发射不受反射电子的影响,因此目标电流的变化小,因此能够辐射基本恒定的强度的X射线。
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公开(公告)号:US09008276B2
公开(公告)日:2015-04-14
申请号:US13781846
申请日:2013-03-01
Applicant: Futaba Corporation
Inventor: Akira Matsumoto , Yoshihisa Marushima , Yuuichi Kogure , Kazuhito Nakamura
CPC classification number: H01J35/18 , H01J35/045 , H01J35/06 , H01J2235/087 , H01J2235/186
Abstract: An X-ray tube is disclosed. The X-ray tube includes a substrate, a box-shaped case attached to the substrate and being in a high-vacuum state, an X-ray target arranged in the opening of the first substrate in the inside of the case, and a cathode arranged in the case and supplying an electron to the X-ray target. The substrate includes first and second substrates made of 426 alloy and respectively having an opening of honeycomb structure, and an X-ray transmissive window sandwiched between the first and second substrates which is made of a titanium foil and close the opening. The X-ray transmissive window is reinforced by a honeycomb structure of the substrate from both surfaces. Thus, the substrate and the X-ray transmissive window are not deformed, and strength of the package is improved.
Abstract translation: 公开了一种X射线管。 X射线管包括基板,附接到基板并且处于高真空状态的盒状壳体,布置在壳体内部的第一基板的开口中的X射线靶和阴极 在这种情况下布置并向X射线靶提供电子。 基板包括由426合金制成并分别具有蜂窝结构的开口的第一和第二基板以及夹在第一和第二基板之间的X射线透射窗,该基板由钛箔制成并关闭开口。 X射线透射窗由两个表面的基底的蜂窝结构增强。 因此,基板和X射线透射窗不变形,并且包装的强度提高。
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公开(公告)号:US09648712B2
公开(公告)日:2017-05-09
申请号:US14763949
申请日:2013-11-05
Applicant: Futaba Corporation , HAMAMATSU PHOTONICS K.K.
Inventor: Tatsuya Nakamura , Norimasa Kosugi , Naoki Okumura , Yoshitaka Sato , Akira Matsumoto , Yoshihisa Marushima , Kazuhito Nakamura
Abstract: In an X-ray radiation source, a counter wall made of alkali-containing glass, out of walls of a housing of an X-ray tube, is arranged opposite to a high-voltage region VH of a power supply unit including a high-voltage generation module which generates a negative high voltage to be applied to a filament. This configuration prevents an electric field from being generated in the counter wall and thus suppresses precipitation of alkali ions from the glass. Therefore, it prevents change in potential relationship between electrodes at different potentials such as the filament, grid, and target and prevents occurrence of a trouble of failure in maintaining a desired X-ray amount, thus enabling stable operation to be maintained.
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公开(公告)号:US20140093047A1
公开(公告)日:2014-04-03
申请号:US14027176
申请日:2013-09-14
Applicant: Hamamatsu Photonics Kabushiki Kaisha , Futaba Corporation
Inventor: Akira Matsumoto , Kiyoyuki Deguchi , Yoshihisa Marushima , Yuuichi Kogure , Kazuhito Nakamura , Tomoyuki Okada , Toru Fujita , Tatsuya Nakamura
IPC: H01J35/18
CPC classification number: H01J35/16 , H01J35/18 , H01J2235/087 , H01J2235/168
Abstract: An X-ray tube includes a radiopaque substrate including a window portion, an X-ray transmission window closing the window portion, an X-ray target provided at the window portion from an inner surface side of the substrate, a highly-evacuated container portion attached to the inner surface of the substrate, a cathode, a first control electrode and a second control electrode provided inside the container portion. A shielding electrode is provided at the inner surface of the substrate so as to surround the window portion. Electrons collide with the X-ray target to generate X-rays. Electrons reflected on the X-ray target between the shielding electrodes are absorbed by the shielding electrodes, so an inner surface of the container portion is not charged. The electron emission from the cathode is not affected by the reflected electrons, so a change in target current is small, and thus X-rays of substantially constant intensity can be radiated.
Abstract translation: X射线管包括:不透射线基板,包括窗口部分,关闭窗口部分的X射线透射窗口,从基板的内表面侧设置在窗口部分处的X射线靶;高度抽真空的容器部分 连接到基板的内表面,阴极,第一控制电极和设置在容器部分内的第二控制电极。 屏蔽电极设置在基板的内表面上以围绕窗口部分。 电子与X射线靶碰撞以产生X射线。 在屏蔽电极之间的X射线靶上反射的电子被屏蔽电极吸收,容器部分的内表面不被充电。 来自阴极的电子发射不受反射电子的影响,因此目标电流的变化小,因此能够辐射基本恒定的强度的X射线。
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公开(公告)号:US20130230147A1
公开(公告)日:2013-09-05
申请号:US13781846
申请日:2013-03-01
Applicant: FUTABA CORPORATION
Inventor: Akira Matsumoto , Yoshihisa Marushima , Yuuichi Kogure , Kazuhito Nakamura
IPC: H01J35/18
CPC classification number: H01J35/18 , H01J35/045 , H01J35/06 , H01J2235/087 , H01J2235/186
Abstract: An X-ray tube is disclosed. The X-ray tube includes a substrate, a box-shaped case attached to the substrate and being in a high-vacuum state, an X-ray target arranged in the opening of the first substrate in the inside of the case, and a cathode arranged in the case and supplying an electron to the X-ray target. The substrate includes first and second substrates made of 426 alloy and respectively having an opening of honeycomb structure, and an X-ray transmissive window sandwiched between the first and second substrates which is made of a titanium foil and close the opening. The X-ray transmissive window is reinforced by a honeycomb structure of the substrate from both surfaces. Thus, the substrate and the X-ray transmissive window are not deformed, and strength of the package is improved.
Abstract translation: 公开了一种X射线管。 X射线管包括基板,附接到基板并且处于高真空状态的盒状壳体,布置在壳体内部的第一基板的开口中的X射线靶和阴极 在这种情况下布置并向X射线靶提供电子。 基板包括由426合金制成并分别具有蜂窝结构的开口的第一和第二基板以及夹在第一和第二基板之间的X射线透射窗,该基板由钛箔制成并关闭开口。 X射线透射窗由两个表面的基底的蜂窝结构增强。 因此,基板和X射线透射窗不变形,并且包装的强度提高。
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