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公开(公告)号：US20140369469A1
公开(公告)日：2014-12-18
申请号：US14241401
申请日：2012-08-29
申请人： Takao Ogura , Miki Tamura , Yasue Sato , Tamayo Hiroki
发明人： Takao Ogura , Miki Tamura , Yasue Sato , Tamayo Hiroki
CPC分类号： H01J35/08 , G01N23/04 , H01J35/116 , H01J35/16 , H01J35/186 , H01J2235/081 , H01J2235/168
摘要： In an X-ray generation apparatus of transmission type including an electron passage surrounded by and formed in an electron passage forming member, and generating an X-ray by colliding electrons having passed through the electron passage against a target, wherein the electron passage includes a secondary X-ray generation portion that generates an X-ray with collision of electrons reflected by the target against the secondary X-ray generation portion, the secondary X-ray generation portion and the target are arranged such that the X-ray generated with direct collision of the electrons against the target and the X-ray generated with the collision of the electrons reflected by the target against the secondary X-ray generation portion are both radiated to an outside, and an atomic number of a material of the electron passage forming member is larger than that of the target. X-ray generation efficiency is increased by effectively utilizing the electrons reflected by the target.
摘要翻译： 在包含由电子通道形成构件包围并形成在电子通道形成构件中的电子通道的透射型的X射线产生装置中，通过使通过电子通道的电子与靶相撞而产生X射线，其中电子通道包括 二次X射线产生部分，其产生与靶相反的电子与二次X射线产生部分，次X射线产生部分和目标物的碰撞的X射线，使得直接产生的X射线 电子与目标物的碰撞以及由靶子反射的二次X射线产生部分所反射的电子的碰撞产生的X射线被照射到外部，并且形成电子通道的材料的原子数 成员比目标大。 通过有效地利用目标反射的电子来提高X射线产生效率。
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公开(公告)号：US09595415B2
公开(公告)日：2017-03-14
申请号：US14241426
申请日：2012-08-29
申请人： Takao Ogura , Yoshihiro Yanagisawa , Miki Tamura , Ichiro Nomura , Tamayo Hiroki , Shigeki Matsutani , Kazuyuki Ueda
发明人： Takao Ogura , Yoshihiro Yanagisawa , Miki Tamura , Ichiro Nomura , Tamayo Hiroki , Shigeki Matsutani , Kazuyuki Ueda
CPC分类号： H01J35/08 , G01N23/04 , G01N23/043 , H01J35/16 , H01J35/18 , H01J2235/087 , H01J2235/168 , H01J2235/186
摘要： Provided is an X-ray generator including an electron passage in an electron-passage forming member; and a target on an insulative substrate. The transmission X-ray generator irradiates the target with electrons that have passed through the electron passage to generate X-rays. The target is provided at a central region of the substrate; the electron passage accommodates a secondary-X-ray generating section that generates X-rays by irradiation with electrons reflected from the target; the secondary-X-ray generating section and the target are disposed so that both of X-rays generated by direct irradiation of the target with the electrons and X-rays generated by irradiation of the secondary-X-ray generating section with the electrons reflected from the target are radiated to the outside; and at least part of the peripheral region of the substrate has higher transmittance for the X-rays generated at the secondary-X-ray generating section than the central region of the substrate.
摘要翻译： 提供一种电子通道形成构件中具有电子通道的X射线发生器， 和绝缘基板上的靶。 透射X射线发生器用已经通过电子通道的电子照射靶，产生X射线。 靶设在基板的中心区域; 电子通道容纳通过从靶标反射的电子的照射产生X射线的次X射线产生部分; 二次X射线产生部和靶被配置为使得通过用电子直接照射目标而产生的X射线和通过二次X射线产生部的照射而产生的X射线被反射 从目标射到外面; 并且衬底的周边区域的至少一部分对于在二次X射线产生部分处产生的X射线比衬底的中心区域具有更高的透射率。
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公开(公告)号：US09425021B2
公开(公告)日：2016-08-23
申请号：US14241817
申请日：2012-08-29
申请人： Miki Tamura , Tamayo Hiroki , Shigeki Matsutani , Takao Ogura , Kazuyuki Ueda , Yoshihiro Yanagisawa , Ichiro Nomura
发明人： Miki Tamura , Tamayo Hiroki , Shigeki Matsutani , Takao Ogura , Kazuyuki Ueda , Yoshihiro Yanagisawa , Ichiro Nomura
CPC分类号： H01J35/08 , G01N23/04 , H01J35/14 , H01J35/16 , H01J2235/087 , H01J2235/168 , H01J2235/186 , H05G1/70
摘要： In an X-ray generation apparatus of transmission type including an electron emission source, and a target generating an X-ray with collision of electrons emitted from the electron emission source against the target, the X-ray generation apparatus further includes a secondary X-ray generation portion generating an X-ray with collision of electrons reflected by the target against the secondary X-ray generation portion, and the secondary X-ray generation portion and the target are arranged such that the X-ray generated with the direct collision of the electrons against the target and the X-ray generated with the collision of the electrons reflected by the target against the secondary X-ray generation portion are both radiated to an outside. X-ray generation efficiency is increased by effectively utilizing the electrons reflected by the target.
摘要翻译： 在包括电子发射源的透射型的X射线产生装置和产生从电子发射源发射的电子与靶相撞的X射线的靶上，X射线产生装置还包括二次X射线 射线产生部分，产生与目标反射的电子相对于次X射线产生部分的碰撞的X射线，并且次X射线产生部分和靶部被布置成使得由直接碰撞产生的X射线 靠着目标物的电子以及由靶子反射的二次X射线产生部分的碰撞产生的X射线都被辐射到外部。 通过有效地利用目标反射的电子来提高X射线产生效率。
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公开(公告)号：US20140362972A1
公开(公告)日：2014-12-11
申请号：US14241384
申请日：2012-08-08
申请人： Takao Ogura , Miki Tamura , Tamayo Hiroki
发明人： Takao Ogura , Miki Tamura , Tamayo Hiroki
CPC分类号： H01J35/08 , G01N23/04 , H01J35/116 , H01J35/14 , H01J35/16 , H01J2235/168 , H05G1/32
摘要： Provided is an X-ray generator (10) which causes electrons having passed through an electron path (4), formed by an electron path formation member (3) surrounding the periphery of the electron path (4), to be emitted against a target to generate an X-ray, in which: an X-ray generated when the sub X-ray generating portion (5) provided in the electron path (4) is irradiated with the electrons backscatterred off the target is capable of being taken out; a material which constitutes the target and a material which constitutes at least the sub X-ray generating portion (5) of the electron path formation member (3) are the same material of which atomic number is 40 or greater. X-ray generation efficiency can be improved by effectively using the electrons backscatterred off the transmission target.
摘要翻译： 提供一种X射线发生器（10），其使通过电子通路（4）的电子由围绕电子路径（4）周围的电子通路形成部件（3）形成，以抵抗靶 以产生X射线，其中：当设置在电子路径（4）中的副X射线产生部分（5）被从靶上反向散射的电子照射时产生的X射线能够被取出; 构成靶的材料和构成电子通路形成部件（3）的至少子X射线产生部（5）的材料是原子序数为40以上的材料。 通过有效地使用从传输目标反向散射的电子可以提高X射线产生效率。
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公开(公告)号：US20140192957A1
公开(公告)日：2014-07-10
申请号：US14241817
申请日：2012-08-29
申请人： Miki Tamura , Tamayo Hiroki , Shigeki Matsutani , Takao Ogura , Kazuyuki Ueda , Yoshihiro Yanagisawa , Ichiro Nomura
发明人： Miki Tamura , Tamayo Hiroki , Shigeki Matsutani , Takao Ogura , Kazuyuki Ueda , Yoshihiro Yanagisawa , Ichiro Nomura
CPC分类号： H01J35/08 , G01N23/04 , H01J35/14 , H01J35/16 , H01J2235/087 , H01J2235/168 , H01J2235/186 , H05G1/70
摘要： In an X-ray generation apparatus of transmission type including an electron emission source, and a target generating an X-ray with collision of electrons emitted from the electron emission source against the target, the X-ray generation apparatus further includes a secondary X-ray generation portion generating an X-ray with collision of electrons reflected by the target against the secondary X-ray generation portion, and the secondary X-ray generation portion and the target are arranged such that the X-ray generated with the direct collision of the electrons against the target and the X-ray generated with the collision of the electrons reflected by the target against the secondary X-ray generation portion are both radiated to an outside. X-ray generation efficiency is increased by effectively utilizing the electrons reflected by the target.
摘要翻译： 在包括电子发射源的透射型的X射线产生装置和产生与电子发射源相对的靶发生碰撞的X射线的靶上，X射线产生装置还包括二次X射线 射线产生部分，产生与目标反射的电子相对于次X射线产生部分的碰撞的X射线，并且次X射线产生部分和靶部被布置成使得由直接碰撞产生的X射线 靠着目标物的电子以及由靶子反射的二次X射线产生部分的碰撞产生的X射线都被辐射到外部。 通过有效地利用目标反射的电子来提高X射线产生效率。
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公开(公告)号：US20140362973A1
公开(公告)日：2014-12-11
申请号：US14241426
申请日：2012-08-29
申请人： Takao Ogura , Yoshihiro Yanagisawa , Miki Tamura , Ichiro Nomura , Tamayo Hiroki , Shigeki Matsutani , Kazuyuki Ueda
发明人： Takao Ogura , Yoshihiro Yanagisawa , Miki Tamura , Ichiro Nomura , Tamayo Hiroki , Shigeki Matsutani , Kazuyuki Ueda
CPC分类号： H01J35/08 , G01N23/04 , G01N23/043 , H01J35/16 , H01J35/18 , H01J2235/087 , H01J2235/168 , H01J2235/186
摘要： Provided is an X-ray generator including an electron passage in an electron-passage forming member; and a target on an insulative substrate. The transmission X-ray generator irradiates the target with electrons that have passed through the electron passage to generate X-rays. The target is provided at a central region of the substrate; the electron passage accommodates a secondary-X-ray generating section that generates X-rays by irradiation with electrons reflected from the target; the secondary-X-ray generating section and the target are disposed so that both of X-rays generated by direct irradiation of the target with the electrons and X-rays generated by irradiation of the secondary-X-ray generating section with the electrons reflected from the target are radiated to the outside; and at least part of the peripheral region of the substrate has higher transmittance for the X-rays generated at the secondary-X-ray generating section than the central region of the substrate.
摘要翻译： 提供一种电子通道形成构件中具有电子通道的X射线发生器， 和绝缘基板上的靶。 透射X射线发生器用已经通过电子通道的电子照射靶，产生X射线。 靶设在基板的中心区域; 电子通道容纳通过从靶标反射的电子的照射产生X射线的次X射线产生部分; 二次X射线产生部和靶被配置为使得通过用电子直接照射目标而产生的X射线和通过二次X射线产生部的照射而产生的X射线被反射 从目标射到外面; 并且衬底的周边区域的至少一部分对于在二次X射线产生部分处产生的X射线比衬底的中心区域具有更高的透射率。
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公开(公告)号：US09281155B2
公开(公告)日：2016-03-08
申请号：US13884339
申请日：2011-11-08
申请人： Kazuyuki Ueda , Miki Tamura , Yasue Sato , Takao Ogura , Ichiro Nomura , Shuji Aoki
发明人： Kazuyuki Ueda , Miki Tamura , Yasue Sato , Takao Ogura , Ichiro Nomura , Shuji Aoki
CPC分类号： H01J35/02 , H01J35/18 , H01J2235/1204 , H01J2235/186 , H05G1/025 , H05G1/04
摘要： A radiation generating apparatus has a radiation generating tube held in a holding container 12 and a cooling medium between the holding container and the radiation generating tube. The radiation generating tube includes an envelope with an aperture, an electron emitting source arranged in the envelope, a target arranged facing the source, for generating radiation responsive to irradiation with an electron beam emitted from the source, and a tubular shield for holding the target by an inner wall thereof and shielding part of the radiation emitted from the target. The shield is arranged to protrude outward of the envelope so that the target is positioned on an outer side of the aperture, and the cooling medium contacts at least a part of the shield.
摘要翻译： 辐射发生装置具有保持在保持容器12中的辐射生成管和保持容器与辐射生成管之间的冷却介质。 辐射生成管包括具有孔的外壳，布置在外壳中的电子发射源，面向源的目标物体，用于响应于从源发射的电子束的照射产生辐射，以及用于保持靶的管状护罩 通过其内壁和从目标发射的辐射的屏蔽部分。 屏蔽被布置成从外壳向外突出，使得靶位于孔的外侧，并且冷却介质接触屏蔽的至少一部分。
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公开(公告)号：US09208987B2
公开(公告)日：2015-12-08
申请号：US13580368
申请日：2011-02-21
申请人： Kazuya Miyazaki , Takao Ogura , Kazuyuki Ueda , Yasue Sato , Ichiro Nomura , Shuji Aoki , Miki Tamura
发明人： Kazuya Miyazaki , Takao Ogura , Kazuyuki Ueda , Yasue Sato , Ichiro Nomura , Shuji Aoki , Miki Tamura
CPC分类号： H01J35/08 , H01J35/16 , H01J35/18 , H01J2235/068 , H01J2235/087 , H01J2235/163 , H01J2235/166 , H01J2235/168 , H01J2235/186
摘要： A radioactive ray generating apparatus includes a second shielding member, a target, and a first shielding member, which are sequentially disposed from an electron emission source side. A shortest distance from a maximum radiation intensity portion of the target to the first shielding member is shorter than a shortest distance from the maximum radiation intensity portion of the target to the second shielding member.
摘要翻译： 放射线产生装置包括从电子发射源侧依次设置的第二屏蔽部件，靶和第一屏蔽部件。 从目标的最大辐射强度部分到第一屏蔽部件的最短距离比从目标的最大辐射强度部分到第二屏蔽部件的最短距离短。
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9.发明申请公开(公告)号：US20120318987A1
公开(公告)日：2012-12-20
申请号：US13580368
申请日：2011-02-21
申请人： Kazuya Miyazaki , Takao Ogura , Kazuyuki Ueda , Yasue Sato , Ichiro Nomura , Shuji Aoki , Miki Tamura
发明人： Kazuya Miyazaki , Takao Ogura , Kazuyuki Ueda , Yasue Sato , Ichiro Nomura , Shuji Aoki , Miki Tamura
IPC分类号： H01J43/00
CPC分类号： H01J35/08 , H01J35/16 , H01J35/18 , H01J2235/068 , H01J2235/087 , H01J2235/163 , H01J2235/166 , H01J2235/168 , H01J2235/186
摘要： A radioactive ray generating apparatus includes a second shielding member, a target, and a first shielding member, which are sequentially disposed from an electron emission source side. A shortest distance from a maximum radiation intensity portion of the target to the first shielding member is shorter than a shortest distance from the maximum radiation intensity portion of the target to the second shielding member.
摘要翻译： 放射线产生装置包括从电子发射源侧依次设置的第二屏蔽部件，靶和第一屏蔽部件。 从目标的最大辐射强度部分到第一屏蔽部件的最短距离比从目标的最大辐射强度部分到第二屏蔽部件的最短距离短。
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公开(公告)号：US20120121069A1
公开(公告)日：2012-05-17
申请号：US13286352
申请日：2011-11-01
申请人： Shuji Aoki , Takao Ogura , Yasue Sato , Miki Tamura , Kazuyuki Ueda , Ichiro Nomura
发明人： Shuji Aoki , Takao Ogura , Yasue Sato , Miki Tamura , Kazuyuki Ueda , Ichiro Nomura
CPC分类号： H05G1/12 , H01J35/045 , H05G1/20
摘要： An inverter circuit is shared by respective drive circuits that supply a predetermined voltage to a lens electrode and a grid electrode, or to a lens electrode and a cathode electrode. A DC voltage obtained by full-wave rectifying a pulse train output from the inverter circuit is supplied to the lens electrode, a DC voltage obtained by half-wave rectifying a pulse train output from the inverter circuit is supplied to the grid electrode or cathode electrode. At times of a first operation and a last operation of the inverter circuit during a period of generating X-rays, operations of the inverter circuit are controlled such that a trans circuit outputs a negative polarity voltage to the full-wave rectifying circuit and the half-wave rectifying circuit, respectively.
摘要翻译： 逆变器电路由向透镜电极和栅电极提供预定电压的相应驱动电路或透镜电极和阴极电极共享。 通过对从逆变器电路输出的脉冲串进行全波整流而获得的直流电压被提供给透镜电极，通过对从逆变器电路输出的脉冲串进行半波整流获得的直流电压被提供给栅电极或阴极电极 。 在产生X射线的时段期间的逆变器电路的第一次操作和最后一次操作时，控制逆变器电路的操作，使得反相电路向全波整流电路输出负极性电压，半 波整流电路。
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