公开(公告)号：JP2014130732A

公开(公告)日：2014-07-10

申请号：JP2012287757

申请日：2012-12-28

Applicant: Canon Inc ,  キヤノン株式会社

Inventor： YANAGISAWA YOSHIHIRO ,  AOKI SHUJI ,  SATO YASUE ,  NOMURA ICHIRO

IPC: H05G1/34 ,  H01J35/00

Abstract: PROBLEM TO BE SOLVED: To make a potential of an extraction electrode 6 lower than that of a cathode 5 at the off control of radiation in one extraction electrode power supply 10 and to make the off control of radiation certain, in a radiation generation unit 1 comprising the cathode 5 heated by a cathode heater 4, the extraction electrode 6 extracting electrons from the heated cathode 5, a cathode heater power supply 9 connected with the cathode heater 4, and the extraction electrode power supply 10 connected with the extraction electrode 6, the radiation generation unit 1 generating radiation by irradiating a radiation generation target 3 with electrons from the cathode 5.SOLUTION: A positive electrode of the cathode heater power supply 9 is connected to the cathode 5, and a positive electrode of the extraction electrode power supply 10 is connected to the extraction electrode 6. A negative electrode of the cathode heater power supply 9 and a negative electrode of the extraction electrode power supply 10 are connected with each other, and the cathode heater power supply 9 and the extraction electrode power supply 10 are connected in series between the extraction electrode 6 and the cathode 5.

Abstract translation: 要解决的问题：为了使一个提取电极电源10中的放射线的断开控制下的提取电极6的电位低于阴极5的电位，并且在放射线产生单元1中进行放射线的关闭控制 包括由阴极加热器4加热的阴极5，从加热阴极5提取电子的提取电极6，与阴极加热器4连接的阴极加热器电源9和与提取电极6连接的引出电极电源10， 辐射产生单元1通过用来自阴极5的电子照射辐射产生目标3来产生辐射。解决方案：阴极加热器电源9的正电极连接到阴极5，并且引出电极电源 10连接到引出电极6.阴极加热器电源9的负极和提取电极的负极 驱动电源10彼此连接，并且阴极加热器电源9和引出电极电源10串联连接在引出电极6和阴极5之间。

公开(公告)号：JP2013122906A

公开(公告)日：2013-06-20

申请号：JP2012160118

申请日：2012-07-19

Applicant: Canon Inc ,  キヤノン株式会社

Inventor： YANAGISAWA YOSHIHIRO ,  TAMURA MIKI ,  UEDA KAZUYUKI ,  AOKI SHUJI ,  NOMURA ICHIRO

IPC: H05G1/02 ,  A61B6/00 ,  H01J35/16 ,  H01J35/18 ,  H05G1/04

CPC classification number: H01J35/12 ,  G01N23/04 ,  H01J35/16 ,  H01J2235/122 ,  H01J2235/166 ,  H01J2235/186 ,  H05G1/025 ,  H05G1/04

Abstract: PROBLEM TO BE SOLVED: To provide a radiation generating apparatus which shields unnecessary radiation rays, cools a target, and reduces the weight with a simple structure.SOLUTION: A radiation generating apparatus includes: a package 1 having a first window 2 which transmits a radiation ray; a radiation tube 10 housed in the package 1 and having a second window 15, which transmits the radiation ray, at a position facing the first window 2; and a radiation shield member 16 which is thermally connected with the second window 15, has a radiation passing hole 21 communicating with the second window 15, and protrudes from the second window 15 to the first window 2 side. Further, a heat conduction member 17, having heat conductivity higher than that of the radiation shield member 16, is connected with a protruding portion of the radiation shield member 16.

Abstract translation: 要解决的问题：提供一种遮蔽不必要的辐射线的辐射发生装置，冷却目标，并以简单的结构来减轻重量。 解决方案：辐射发生装置包括：包装1，其具有透射辐射线的第一窗口2; 容纳在包装1中并且在面向第一窗口2的位置处具有透射辐射线的第二窗口15的辐射管10; 并且与第二窗口15热连接的辐射屏蔽构件16具有与第二窗口15连通并且从第二窗口15突出到第一窗口2侧的辐射通过孔21。 此外，具有比辐射屏蔽构件16的导热率高的导热构件17与辐射屏蔽构件16的突出部分连接。版权所有（C）2013，JPO和INPIT

公开(公告)号：JP2013109937A

公开(公告)日：2013-06-06

申请号：JP2011253443

申请日：2011-11-21

Applicant: Canon Inc ,  キヤノン株式会社

Inventor： SATO YASUE ,  UEDA KAZUYUKI ,  NOMURA ICHIRO ,  OGURA TAKAO

IPC: H01J35/08

Abstract: PROBLEM TO BE SOLVED: To provide an X-ray tube capable of suppressing X-ray radiation caused by a brazing filler metal and radiating only a desired X-ray, and to provide a manufacturing method of the same.SOLUTION: The X-ray tube comprises: a substrate 103; a target 102 provided at one surface side of the substrate 103; an anode 108 bonded to a side face of the substrate 103 with a brazing filler metal; and a cathode which is disposed opposite to the target 102 and emits electrons and irradiates electrons onto the target 102. In the X-ray tube, at least a part of a peripheral region of the one surface side of the substrate 103 is a level difference which blocks the brazing filler metal 106 which flows out.

Abstract translation: 要解决的问题：提供能够抑制由钎料引起的X射线辐射并且仅发射期望的X射线的X射线管，并提供其制造方法。 解决方案：X射线管包括：基底103; 设置在基板103的一个表面侧的目标102; 利用钎料将基板103的侧面接合的阳极108; 以及与靶102相对设置并发射电子并将电子照射到靶102上的阴极。在X射线管中，衬底103的一个表面侧的周边区域的至少一部分是电平差 其阻止流出的钎料106。 版权所有（C）2013，JPO＆INPIT

公开(公告)号：JP2012248505A

公开(公告)日：2012-12-13

申请号：JP2011121501

申请日：2011-05-31

Applicant: Canon Inc ,  キヤノン株式会社

Inventor： YAMAZAKI KOJI ,  NOMURA ICHIRO ,  AOKI SHUJI ,  OGURA TAKAO ,  SATO YASUE ,  YANAGISAWA YOSHIHIRO ,  UEDA KAZUYUKI ,  TAMURA MIKI

IPC: H01J35/16

CPC classification number: H01J35/16 ,  H01J35/06 ,  H01J35/08 ,  H01J2235/087 ,  H01J2235/16

Abstract: PROBLEM TO BE SOLVED: To provide a downsized X-ray tube having improved pressure resistance.SOLUTION: An X-ray tube 1 includes: an envelope that has a cathode 2 at one end of a trunk part of a cylindrical insulation tube 4 and an anode 3 at the other end, and is sealed inside; an electron gun that protrudes from the cathode 2 in the envelope, and is disposed between an outer face and an inner wall of the insulation tube 4 with a gap therebetween; and a target 12 that is electrically connected to the anode 3, and generates X-rays by radiating electrons emitted from the electron gun. The average wall thickness of the trunk part of the insulation tube 4 is thicker on the cathode side than that on the anode side with respect to an end portion position obtained by projecting the position of the end portion of the electron gun on the anode side on the inner wall of the insulation tube 4.

Abstract translation: 要解决的问题：提供具有改进的耐压性的尺寸小的X射线管。 解决方案：X射线管1包括：外壳，其在圆筒形绝缘管4的主体部分的一端具有阴极2，在另一端具有阳极3，并被密封在内部; 电子枪从外壳中的阴极2突出，并且设置在绝缘管4的外表面和内壁之间，其间具有间隙; 以及电连接到阳极3的靶12，并且通过辐射从电子枪发射的电子产生X射线。 绝缘管4的主体部分的平均壁厚比阴极侧的阳极侧的平均壁厚相对于通过将电子枪的端部的位置投影到阳极侧而获得的端部位置更大 绝缘管4的内壁。版权所有（C）2013，JPO＆INPIT

公开(公告)号：JP2012079449A

公开(公告)日：2012-04-19

申请号：JP2010221278

申请日：2010-09-30

Applicant: Canon Inc ,  キヤノン株式会社

Inventor： SATO YASUE ,  NOMURA ICHIRO ,  UEDA KAZUYUKI ,  OGURA TAKAO

IPC: H01J9/18 ,  H01J35/06 ,  H01J35/14

Abstract: PROBLEM TO BE SOLVED: To irradiate a target with no loss of electrons by aligning the axis of the opening of a control electrode and the axis of the opening of a limitation structure with high accuracy, and to reduce generation of unnecessary X-rays.SOLUTION: The manufacturing method of an X-ray tube includes a step for aligning the axis of an opening 103 of a control electrode 102 and the axis of an opening 123 of a limitation structure 121 by means of a positioning jig 126, a step for fixing an electron gun unit 100 and a target unit 120, respectively, to the positioning jig 126, a step for positioning the target unit 120 fixed by means of the positioning jig 126 to a predetermined position with a predetermine accuracy for a body tube unit 110 by means of a positioning reference part 115, and a step for performing vacuum airtight bonding of the electron gun unit 100 not positioned by the positioning reference part 115 and the body tube unit 110.

Abstract translation: 要解决的问题：通过高精度地对准控制电极的开口轴线和限制结构的开口轴线，以不损失电子的方式照射目标，并且减少不必要的X- 射线。 解决方案：X射线管的制造方法包括通过定位夹具126对准控制电极102的开口103的轴线和限制结构121的开口123的轴线的步骤， 将电子枪单元100和目标单元120分别固定到定位夹具126的步骤，用于将通过定位夹具126固定的目标单元120定位到预定位置的步骤，具有对于身体的预定精度 管单元110，以及用于不由定位基准部115和体管单元110定位的电子枪单元100进行真空气密接合的步骤。（C）2012年 ，JPO＆INPIT

公开(公告)号：JP2003007204A

公开(公告)日：2003-01-10

申请号：JP2002131528

申请日：2002-05-07

Applicant: Canon Inc ,  キヤノン株式会社

Inventor： YAMANOBE MASATO ,  NOMURA ICHIRO ,  SUZUKI HIDETOSHI ,  SAKANO YOSHIKAZU

IPC: H01J9/02

Abstract: PROBLEM TO BE SOLVED: To provide novel manufacturing methods of a surface conduction type electron emission element having high efficiency, an electron source and an imaging device. SOLUTION: The manufacturing method is used for manufacturing an electron emission element, having a conductive film including an electron emission part between facing electrodes. The manufacturing method of the electron emission element is characterized in that a deposit, containing carbon as the main constituent is deposited by applying a pulse voltage to the conductive film formed between the electrodes in an activation process of the element.

Abstract translation: 要解决的问题：提供具有高效率的表面传导型电子发射元件的新型制造方法，电子源和成像装置。 解决方案：该制造方法用于制造具有导电膜的电子发射元件，该导电膜包括面对电极之间的电子发射部分。 电子发射元件的制造方法的特征在于，通过在元件的激活过程中对形成在电极之间的导电膜施加脉冲电压来沉积含有碳作为主要成分的沉积物。

公开(公告)号：JP2014044902A

公开(公告)日：2014-03-13

申请号：JP2012187615

申请日：2012-08-28

Applicant: Canon Inc ,  キヤノン株式会社

Inventor： OGURA TAKAO ,  NOMURA ICHIRO ,  UEDA KAZUYUKI ,  SHIOZAWA TAKASHI

IPC: H01J35/08 ,  A61B6/00 ,  H01J35/16 ,  H05G1/00 ,  H05G1/02 ,  H05G1/06

CPC classification number: H01J35/16 ,  A61B6/06 ,  A61B6/08 ,  A61B6/40 ,  G21K1/02 ,  H01J2235/081 ,  H01J2235/086 ,  H01J2235/087 ,  H01J2235/168

Abstract: PROBLEM TO BE SOLVED: To provide a radiation generating device in which out-of-focus radiation is reduced.SOLUTION: In a radiation generating device including an electron radiation source having an electron radiation part, a target having a target layer generating radiation by receiving irradiation of an electron beam radiated from the electron radiation part, and a base material for supporting the target layer and transmitting the radiation, where the electron radiation source and the target layer are located to face each other, a radiation generating tube located on the electron radiation source side of the target and including a tubular rear shield having an electron incident port, and a collimator defining the radiation takeoff angle on the reverse side of the electron radiation source side of the target, a radiation generating device is further provided with a variable mechanism connected with the collimator and varying the opening diameter of an opening, and the target layer includes a portion where the rim is located separately from the rim of the base material.

Abstract translation: 要解决的问题：提供一种减少了离焦辐射的辐射产生装置。解决方案：在包括具有电子辐射部分的电子辐射源的辐射发生装置中，具有通过接收产生辐射的目标层的靶 从电子辐射部分辐射的电子束的照射，以及用于支撑目标层并将电子辐射源和目标层位于彼此面对的辐射透射的基底材料，位于电子束上的辐射产生管 并且包括具有电子入射口的管状后挡板和在靶的电子辐射源侧的背面上限定辐射射出角的准直器，辐射产生装置还设置有可变的 与准直器连接并改变开口的开口直径的机构，并且目标层包括 将边缘与基材的边缘分开设置的部分。

公开(公告)号：JP2013190269A

公开(公告)日：2013-09-26

申请号：JP2012055717

申请日：2012-03-13

Applicant: Canon Inc ,  キヤノン株式会社

Inventor： TSUKAMOTO TAKEO ,  NOMURA ICHIRO ,  AMAMIYA MITSUAKI ,  MIYAKE AKIRA ,  TSUJII OSAMU

IPC: G01N23/04 ,  A61B6/03 ,  G21K1/00 ,  G21K1/06

CPC classification number: G21K1/00 ,  G01N23/04 ,  G21K1/06 ,  G21K2201/064

Abstract: PROBLEM TO BE SOLVED: To provide a radiographic device having a simple configuration capable of efficiently collimating generated radiation, capable of suppressing luminance reduction regardless of a size of a subject, and capable of downsizing the device.SOLUTION: A radiographic device includes: a radiation source 1; a radiation reflection structure 3 having at least three radiation reflection substrates 11 arranged with a clearance therebetween and configured to reflect radiation incident on a plurality of radiation paths interposed between the radiation reflection substrates 11, by the radiation reflection substrates 11 on both sides of the radiation paths, and collimate and emit the radiation from the radiation paths; a radiation detector 4; and an image construction part for constructing an image of a subject 7 according to intensity of radiation emitted from radiation paths, penetrating the subject 7 and detected at the radiation detector 4. If one end face of the radiation reflection structure 3 is an entrance of radiation, and the other end face is an exit of the radiation, a pitch of the radiation reflection substrates 11 at the exit is larger than a pitch of the entrance.

Abstract translation: 要解决的问题：提供一种射线照相装置，其具有能够有效地准直所产生的辐射的简单结构，能够抑制亮度降低而与被检体的尺寸无关，并且能够使装置小型化。解放射线照相装置包括：放射线 来源1; 具有至少三个辐射反射基板11的辐射反射结构3，辐射反射基板11间隔开并配置成反射入射在放射反射基板11之间的多个辐射路径上的辐射，由辐射两侧的辐射反射基板11 路径，并且准直并发射来自辐射路径的辐射; 辐射检测器4; 以及图像构造部件，用于根据从辐射路径发射的辐射强度构建被检体7的图像，穿透被检体7并在放射线检测器4处检测。如果放射线反射结构3的一个端面是辐射入口 另一个端面是辐射的出口，出射处的辐射反射基板11的间距大于入口的间距。

公开(公告)号：JP2013186055A

公开(公告)日：2013-09-19

申请号：JP2012053167

申请日：2012-03-09

Applicant: Canon Inc ,  キヤノン株式会社

Inventor： AMAMIYA MITSUAKI ,  NOMURA ICHIRO ,  TSUKAMOTO TAKEO ,  MIYAKE AKIRA

IPC: G21K1/06 ,  G01N23/04 ,  G21K1/00

CPC classification number: G21K1/06 ,  G21K2201/064

Abstract: PROBLEM TO BE SOLVED: To provide an X-ray optical device with a simple structure, capable of efficiently collimating and emitting a generated X-ray.SOLUTION: An X-ray optical device includes an X-ray reflecting structure 3 consisting of at least three X-ray reflecting substrates 11 arranged at an interval, where each X-ray entered into a plurality of X-ray passages having both sides sandwiched by the X-ray reflecting substrates 11 is reflected and collimated at the X-ray reflecting substrates 11 on both sides of each X-ray passage and is emitted from each X-ray passage. When one end surface of the X-ray reflecting structure 3 is an inlet of the X rays and the other end surface is an outlet of the X rays, a pitch between the X ray reflecting substrates 11 at the outlet is wider than that thereof at the inlet.

Abstract translation: 要解决的问题：提供一种能够有效地准直和发射所产生的X射线的结构简单的X射线光学装置。解决方案：X射线光学装置包括至少由X射线反射结构3组成的X射线反射结构3 以X射线反射基板11反射并准直的X射线反射基板11，其中，X射线反射基板11以X射线反射基板11反射并准直， 在每个X射线通道的两侧，并且从每个X射线通道发射。 当X射线反射结构3的一个端面是X射线的入口，而另一个端面是X射线的出口时，出口处的X射线反射基板11之间的间距比在 入口。

公开(公告)号：JP2012221864A

公开(公告)日：2012-11-12

申请号：JP2011088806

申请日：2011-04-13

Applicant: Canon Inc ,  キヤノン株式会社

Inventor： UEDA KAZUYUKI ,  TAMURA MIKI ,  YANAGISAWA YOSHIHIRO ,  SATO YASUE ,  YAMAZAKI KOJI ,  OGURA TAKAO ,  AOKI SHUJI ,  NOMURA ICHIRO

IPC: H05G1/04 ,  H05G1/02

CPC classification number: H01J35/16 ,  A61B6/4488 ,  H01J35/12 ,  H01J2235/1287 ,  H01J2235/186 ,  H05G1/025 ,  H05G1/04

Abstract: PROBLEM TO BE SOLVED: To provide a reliable X-ray generator in which a holding member holds a transmission X-ray tube in a container filled with insulative liquid and that can quickly dissipate heat of a target and stably generate X-rays for a long period, and to provide a radiographic apparatus using the X-ray generator.SOLUTION: In an X-ray generator, a holding member holds a trunk portion of a cylindrical X-ray tube with a channel for insulative liquid therearound in a container filled with the insulative liquid. The X-ray tube includes a target for generating X-rays by radiating electrons on one end of the target facing an electron source disposed in the trunk portion. The X-ray tube is sealed inside. A distance between the holding member and an outer periphery of an end face of the one end in the facing direction of the electron source and the target is twice or more as wide as the minimum width of the channel in contact with an X-ray tube outer face on the one end side from the holding member.

Abstract translation: 要解决的问题：提供一种可靠的X射线发生器，其中保持构件将透射X射线管保持在填充有绝缘液体的容器中，并且可以快速消散靶的热量并稳定地产生X射线 并且提供使用该X射线发生器的射线照相装置。 解决方案：在X射线发生器中，保持构件在填充有绝缘液体的容器中保持具有用于绝缘液体的通道的圆筒形X射线管的主体部分。 X射线管包括通过在面向设置在躯干部分中的电子源的靶的一端上辐射电子来产生X射线的靶。 X射线管内密封。 保持构件与电子源的对置方向的一端的端面与靶的外周之间的距离为与X射线管接触的通道的最小宽度的两倍以上 外表面在保持构件的一端侧。 版权所有（C）2013，JPO＆INPIT