公开(公告)号：US20250037982A1

公开(公告)日：2025-01-30

申请号：US18779135

申请日：2024-07-22

Applicant: HAMAMATSU PHOTONICS K.K.

Inventor： Shinichi YAMASHITA ,  Daichi Masuko ,  Satoshi Suzuki ,  Taisuke Nakaya ,  Kuniyoshi Mori ,  Rina Konno

IPC: H01J43/12

Abstract: Provided is a photomultiplier tube including: a container including a window portion formed of a light-transmitting material, and a tubular portion that is connected to the window portion and defines a vacuum space in combination with the window portion; a photoelectric surface that is formed of a photoelectron-emitting material consisting of sodium, potassium, and antimony, is provided on a first surface of the window portion on a side of the vacuum space, and emits photoelectrons in correspondence with incident light; and an electron multiplier that emits secondary electrons in correspondence with incidence of the photoelectrons emitted from the photoelectric surface, and multiplies the secondary electrons. An aluminum oxide layer is formed between the photoelectric surface and the window portion and on a surface of the tubular portion.

公开(公告)号：US12198916B2

公开(公告)日：2025-01-14

申请号：US18442690

申请日：2024-02-15

Applicant: Elbit Systems of America, LLC

Inventor： Stephen Carroll ,  William J. Baney ,  Cooper Gray Temple ,  Matthew Robert Curtis

IPC: H01J43/28 ,  C03C15/00 ,  C23C14/04 ,  C23C14/14 ,  C23C14/22 ,  C23C14/24 ,  C23C14/50 ,  H01J43/02 ,  H01J43/12

Abstract: A night vision system, a microchannel plate (MCP), and a planetary deposition system and methodology are provided for selectively depositing an electrode contact metal on one side of MCP channel openings. MCPs can be secured to a face of a platter that rotates about its central platter axis. The rotating platter can be tilted on a fixture surrounding an evaporative source of contact metal. A mask with a variable size mask opening is arranged between the rotating platter and the evaporative source. While the mask orbits around the evaporative source with the rotating platter, the mask does not rotate along its own axis as does the rotating platter. Depending on the opening of the non-rotating mask, and the tilt angle of the rotating platter, the respective circumferential distance around and the depth into the shaded first side of the channel opening is controlled.

公开(公告)号：US12112932B2

公开(公告)日：2024-10-08

申请号：US17743563

申请日：2022-05-13

Applicant: HAMAMATSU PHOTONICS K.K.

Inventor： Takeshi Endo ,  Hiroshi Kobayashi

IPC: H01J43/30 ,  H01J43/12

CPC classification number: H01J43/30 ,  H01J43/12

Abstract: An ion detector includes: a first electron multiplier for detecting first ions having a first polarity; a second electron multiplier for detecting second ions having a second polarity different from the first polarity; a first anode for capturing electrons emitted from the first electron multiplier; a second anode for capturing electrons emitted from the second electron multiplier; and a switching circuit including a first input terminal electrically connected to the first anode, a second input terminal electrically connected to the second anode, and an output terminal, the switching circuit selectively connecting one of the first input terminal and the second input terminal to the output terminal.

公开(公告)号：US20210104388A1

公开(公告)日：2021-04-08

申请号：US17031327

申请日：2020-09-24

Applicant: KLA Corporation

Inventor： Derek Mackay

IPC: H01J43/30 ,  H01J43/08 ,  H01J43/18 ,  H01J43/12 ,  G06T5/00 ,  G06T5/50 ,  G01N21/95 ,  G01N21/88

Abstract: A photomultiplier tube (PMT) detector assembly includes a PMT and an analog PMT detector circuit. The PMT includes a photocathode configured to emit an initial set of photoelectrons in response to an absorption of photons. The PMT includes a dynode chain with a plurality of dynodes. The dynode chain is configured to receive the initial set of photoelectrons, generate at least one amplified set of photoelectrons, and direct the at least one amplified set of photoelectrons. The PMT includes an anode configured to receive the at least one amplified set of photoelectrons, with a digitized image being generated based on a measurement of the final amplified set of photoelectrons. The digitized image is corrected by applying an output of the signal measured by the analog PMT detector circuit to the digitized image.

公开(公告)号：US20160314947A1

公开(公告)日：2016-10-27

申请号：US14694935

申请日：2015-04-23

Applicant: UCHICAGO ARGONNE, LLC

Inventor： Anil U. Mane ,  Jeffrey W. Elam

IPC: H01J43/12 ,  H01J43/28

CPC classification number: H01J43/246

Abstract: Scalable electron amplifier devices and methods of fabricating the devices an atomic layer deposition (“ALD”) fabrication process are described. The ALD fabrication process allows for large area (e.g., eight inches by eight inches) electron amplifier devices to be produced at reduced costs compared to current fabrication processes. The ALD fabrication process allows for nanostructure functional coatings, to impart a desired electrical conductivity and electron emissivity onto low cost borosilicate glass micro-capillary arrays to form the electron amplifier devices.

Abstract translation: 描述了可扩展电子放大器装置和制造器件的原子层沉积（“ALD”）制造工艺的方法。 与目前的制造工艺相比，ALD制造工艺允许以更低的成本制造大面积（例如8英寸×8英寸）的电子放大器装置。 ALD制造工艺允许纳米结构功能涂层在低成本硼硅玻璃微毛细管阵列上赋予期望的电导率和电子发射率以形成电子放大器装置。

公开(公告)号：US5510674A

公开(公告)日：1996-04-23

申请号：US234157

申请日：1994-04-28

Applicant: Hiroyuki Kyushima ,  Koji Nagura ,  Yutaka Hasegawa ,  Eiichiro Kawano ,  Tomihiko Kuroyanagi ,  Akira Atsumi ,  Masuya Mizuide

Inventor： Hiroyuki Kyushima ,  Koji Nagura ,  Yutaka Hasegawa ,  Eiichiro Kawano ,  Tomihiko Kuroyanagi ,  Akira Atsumi ,  Masuya Mizuide

IPC: H01J9/12 ,  H01J9/18 ,  H01J43/04 ,  H01J43/10 ,  H01J43/12 ,  H01J43/22 ,  H01J43/18

CPC classification number: H01J9/12 ,  H01J43/04 ,  H01J43/10 ,  H01J43/12 ,  H01J43/22 ,  H01J9/18 ,  H01J2201/32 ,  H01J2201/3426

Abstract: A photomultiplier comprising an electron multiplier for minimizing a variation in multiplication factor and noise is characterized in that insulating members are aligned on the same line to insulate a plurality of dynode plates for constituting a dynode unit from each other, thereby preventing a damage to each dynode plate. At the same time, a through hole is formed to fix the insulating member provided to each dynode plate such that a gap is provided between the major surface of the dynode plate and the surface of the insulating member, thereby preventing discharge between dynode plates, which is caused due to dust or the like deposited on the surface of the insulating member.

Abstract translation: 包括用于使乘法因子和噪声的变化最小化的电子倍增器的光电倍增管的特征在于，绝缘构件在同一条线上对准以将多个倍增极板彼此绝缘以构成倍增电极单元，从而防止对每个倍增电极的损坏 盘子。 同时，形成通孔以固定设置在每个倍增极板上的绝缘构件，使得在倍增极板的主表面和绝缘构件的表面之间设置间隙，从而防止倍增极板之间的放电， 是由于沉积在绝缘构件的表面上的灰尘等引起的。

公开(公告)号：US4588922A

公开(公告)日：1986-05-13

申请号：US590792

申请日：1984-03-19

Applicant: Richard D. Faulkner

Inventor： Richard D. Faulkner

IPC: H01J43/12 ,  H01J43/04 ,  H01J43/28 ,  H01J40/04 ,  H01J43/06

CPC classification number: H01J43/04

Abstract: An improved electron discharge device comprises an evacuated envelope having therein a photoemissive cathode for providing photoelectrons in response to radiation incident thereon, an electron multiplier, including a primary dynode spaced from the cathode, and a focusing assembly disposed between the cathode and the multiplier. A thermionic electron control plate is disposed between the focusing assembly and the multiplier to prevent thermionic electrons from the focusing assembly from impinging on the primary dynode, while permitting the passage of photoelectrons to the primary dynode. The control plate overlies the primary dynode and is contiguous therewith.

Abstract translation: 一种改进的电子放电装置包括一个抽真空的外壳，其中具有用于响应于入射到其上的辐射而提供光电子的光发射阴极，包括与阴极隔开的主要倍增极的电子倍增器以及设置在阴极和乘法器之间的聚焦组件。 热离子电子控制板设置在聚焦组件和乘法器之间，以防止来自聚焦组件的热离子电子撞击在主倍增极上，同时允许光电子通过主要倍增极。 控制板覆盖在主要倍增极上并与其相邻。

公开(公告)号：US3260878A

公开(公告)日：1966-07-12

申请号：US22347062

申请日：1962-09-13

Applicant: PHILIPS CORP

Inventor： RENE LEGOUX

IPC: H01J43/12

CPC classification number: H01J43/12

公开(公告)号：US11948785B2

公开(公告)日：2024-04-02

申请号：US18041462

申请日：2021-08-10

Applicant: ADAPTAS SOLUTIONS PTY LTD

Inventor： Aditya Wakhle ,  Russell Jurek ,  Kevin Hunter

IPC: H01J43/22 ,  H01J43/12 ,  H01J43/24

CPC classification number: H01J43/22 ,  H01J43/12 ,  H01J43/24

Abstract: The present invention relates to electron multiplier apparatus of the type used in ion detectors. In one form, the invention is an electron multiplier having two or more electron emissive surfaces, each having a different composition so as to together limit or overcome an acute gain effect on the electron multiplier due to the exposure of the two or more electron emissive surfaces to water molecules. Alternatively, the multiplier may have a single electron emissive surface of mixed composition comprising a first composition component and a second composition component so as to together limit or overcome an acute gain effect on the electron multiplier due to the exposure of the electron emissive surface to water molecules.

公开(公告)号：US20230386810A1

公开(公告)日：2023-11-30

申请号：US17752151

申请日：2022-05-24

Applicant: Elbit Systems of America, LLC

Inventor： Stephen Carroll ,  William J. Baney ,  Cooper Gray Temple ,  Matthew Robert Curtis

IPC: H01J43/28 ,  G02B23/12 ,  H01J43/02 ,  H01J43/12 ,  C23C14/04 ,  C23C14/14 ,  C23C14/24 ,  C23C14/50 ,  C03C15/00

CPC classification number: H01J43/28 ,  G02B23/125 ,  H01J43/02 ,  H01J43/12 ,  C23C14/042 ,  C23C14/14 ,  C23C14/24 ,  C23C14/505 ,  C03C15/00

Abstract: A night vision system, a microchannel plate (MCP), and a planetary deposition system and methodology are provided for selectively depositing an electrode contact metal on one side of MCP channel openings. One or more MCPs can be releasably secured to a face of a platter that rotates about its central platter axis. The rotating platter can be tilted on a rotating ring fixture surrounding an evaporative source of contact metal. Therefore, the rotating platter further rotates so that it orbits around the evaporative source of contact metal. A mask with a variable size mask opening is arranged between the rotating platter and the evaporative source. While the mask orbits around the evaporative source with the rotating platter, the mask does not rotate along its own axis as does the rotating platter.