公开(公告)号：US20100290593A1

公开(公告)日：2010-11-18

申请号：US12864316

申请日：2009-01-23

申请人： Pierre Legagneux ,  Ludovic Hudanski ,  Pascal Ponard ,  Christophe Bourat ,  Jean-Philippe Schnell

发明人： Pierre Legagneux ,  Ludovic Hudanski ,  Pascal Ponard ,  Christophe Bourat ,  Jean-Philippe Schnell

IPC分类号： H01J35/06

CPC分类号： H01J35/065 ,  H01J2235/062 ,  H01J2235/068

摘要： A radiation source includes a vacuum chamber, means for injecting an optical wave, a cold source for emitting electrons, a power supply, an anode for emitting X-rays, and at least one window through which the X-rays exit. A light source delivers the optical wave, and the cold source includes at least one substrate with a conducting surface and is subjected to an electric field. The cold further includes a photoconductive element in which the current is controlled approximately linearly by the illumination and at least one electron-emitting element, the photoconductive element electrically connected in series between an emitting element and a conducting surface. Current photogenerated in the photoconductive device is equal to that emitted by the emitter or the group of emitters with which it is associated, and the emitted stream of X-rays is approximately linearly dependent on the illumination.

摘要翻译： 辐射源包括真空室，用于注入光波的装置，用于发射电子的冷源，电源，用于发射X射线的阳极和至少一个X射线出射的窗口。 光源传送光波，并且冷源包括至少一个具有导电表面的基板并经受电场。 冷还包括光电导元件，其中电流通过照明近似线性地控制，并且至少一个电子发射元件，光电导元件串联地电连接在发光元件和导电表面之间。 在光电导装置中当前产生的光等于发射器或与其相关联的发射器组发射的光，并且所发射的X射线的光线近似线性地依赖于照明。

公开(公告)号：US08503614B2

公开(公告)日：2013-08-06

申请号：US12864316

申请日：2009-01-23

申请人： Pierre Legagneux ,  Ludovic Hudanski ,  Pascal Ponard ,  Christophe Bourat ,  Jean-Philippe Schnell

发明人： Pierre Legagneux ,  Ludovic Hudanski ,  Pascal Ponard ,  Christophe Bourat ,  Jean-Philippe Schnell

IPC分类号： H01J35/06

CPC分类号： H01J35/065 ,  H01J2235/062 ,  H01J2235/068

摘要： A radiation source includes a vacuum chamber, means for injecting an optical wave, a cold source for emitting electrons, a power supply, an anode for emitting X-rays, and at least one window through which the X-rays exit. A light source delivers the optical wave, and the cold source includes at least one substrate with a conducting surface and is subjected to an electric field. The cold further includes a photoconductive element in which the current is controlled approximately linearly by the illumination and at least one electron-emitting element, the photoconductive element electrically connected in series between an emitting element and a conducting surface. Current photogenerated in the photoconductive device is equal to that emitted by the emitter or the group of emitters with which it is associated, and the emitted stream of X-rays is approximately linearly dependent on the illumination.

摘要翻译： 辐射源包括真空室，用于注入光波的装置，用于发射电子的冷源，电源，用于发射X射线的阳极和至少一个X射线出射的窗口。 光源传送光波，并且冷源包括至少一个具有导电表面的基板并经受电场。 冷还包括光电导元件，其中电流通过照明近似线性地控制，并且至少一个电子发射元件，光电导元件串联地电连接在发光元件和导电表面之间。 在光电导装置中当前产生的光等于发射器或与其相关联的发射器组发射的光，并且所发射的X射线的光线近似线性地依赖于照明。

公开(公告)号：US11749490B2

公开(公告)日：2023-09-05

申请号：US17518130

申请日：2021-11-03

申请人： Pascal Ponard

发明人： Pascal Ponard

IPC分类号： H01J35/16 ,  H01J35/20 ,  H01J35/32

CPC分类号： H01J35/16 ,  H01J35/20 ,  H01J35/32 ,  H01J2235/163 ,  H01J2235/164

摘要： Methods and means for reduced ng the overall diameter of an x-ray tube by recessing the vacuum pumping port stub within the ground plane of the x-ray tube without adversely affecting the electrostatic fields within the vacuum tube itself are provided. In one embodiment, x-ray tubes of smaller diameter, which can be used within the highly confined diameters typically found within the pressure housings of borehole tools are used.

公开(公告)号：US07812540B2

公开(公告)日：2010-10-12

申请号：US10498498

申请日：2002-12-10

申请人： Pascal Ponard ,  Marc Ferrato

发明人： Pascal Ponard ,  Marc Ferrato

IPC分类号： H01J25/34

CPC分类号： H01J9/02

摘要： The invention relates to vacuum tubes and especially to electron tubes. To produce the tube, and especially an electron collector comprising several electrodes, the electrodes are produced in the form of blocks of ceramic having a high thermal conductivity. The blocks are electrically conducting (at least on the surface). They are preferably made of an insulating ceramic such as aluminium nitride, and are made conductive over part of their surface. The conductive surface part is preferably formed by a conductive ceramic, preferably based on titanium nitride, or on similar conductive ceramic materials. Thus, increased strength, better heat dissipation and weight reduction are achieved.

摘要翻译： 本发明涉及真空管，尤其涉及电子管。 为了制造管，特别是包括几个电极的电子收集器，电极以具有高导热性的陶瓷块的形式产生。 这些块是导电的（至少在表面上）。 它们优选由诸如氮化铝的绝缘陶瓷制成，并且在它们的一部分表面上导电。 导电表面部分优选地由导电陶瓷形成，优选地基于氮化钛，或者在类似的导电陶瓷材料上形成。 因此，实现了增加的强度，更好的散热和重量减轻。

公开(公告)号：US20050130550A1

公开(公告)日：2005-06-16

申请号：US10498498

申请日：2002-12-10

申请人： Pascal Ponard ,  Marc Ferrato

发明人： Pascal Ponard ,  Marc Ferrato

IPC分类号： H01J9/02 ,  H01J20060101 ,  H01J9/14 ,  H01J23/02 ,  H01J23/027

CPC分类号： H01J9/02

摘要： The invention relates to vacuum tubes and especially to electron tubes. To produce the tube, and especially an electron collector comprising several electrodes, the electrodes are produced in the form of blocks of ceramic having a high thermal conductivity. The blocks are electrically conducting (at least on the surface). They are preferably made of an insulating ceramic such as aluminium nitride, and are made conductive over part of their surface. The conductive surface part is preferably formed by a conductive ceramic, preferably based on titanium nitride, or on similar conductive ceramic materials. Thus, increased strength, better heat dissipation and weight reduction are achieved.

摘要翻译： 本发明涉及真空管，尤其涉及电子管。 为了制造管，特别是包括几个电极的电子收集器，电极以具有高导热性的陶瓷块的形式产生。 这些块是导电的（至少在表面上）。 它们优选由诸如氮化铝的绝缘陶瓷制成，并且在它们的一部分表面上导电。 导电表面部分优选地由导电陶瓷形成，优选地基于氮化钛，或者在类似的导电陶瓷材料上形成。 因此，实现了增加的强度，更好的散热和重量减轻。

公开(公告)号：US6163112A

公开(公告)日：2000-12-19

申请号：US125030

申请日：1998-08-14

申请人： Pascal Ponard ,  Marcelin Micallef ,  Didier Dumont

发明人： Pascal Ponard ,  Marcelin Micallef ,  Didier Dumont

IPC分类号： H01J23/213 ,  H01J25/10

CPC分类号： H01J23/213

摘要： A frequency tuning device for a microwave tube. The tube has one or more resonant cavities which are tuned with the aid of a movable tuning element for each cavity. Each tuning element has an actuating device and a sensor which detects the position of the tuning element. An electronic control is provided for comparing the position of the tuning element supplied by the sensor with a set position and for delivering a control signal to the actuating device which moves the tuning element to the set position.

摘要翻译： PCT No.PCT / FR97 / 01722 Sec。 371日期：1998年10月14日 102（e）日期1998年10月14日PCT 1997年9月30日PCT PCT。 WO98 / 15968 PCT公开 日期1998年04月16日用于微波管的频率调谐装置。 管具有一个或多个谐振腔，借助于每个腔的可移动调谐元件来调谐谐振腔。 每个调谐元件具有致动装置和检测调谐元件的位置的传感器。 提供了一种电子控制器，用于将由传感器提供的调谐元件的位置与设定位置进行比较，并将控制信号传送到将调谐元件移动到设定位置的致动装置。