公开(公告)号：US09426877B2

公开(公告)日：2016-08-23

申请号：US14137262

申请日：2013-12-20

Applicant: Tsinghua University ,  Nuctech Company Limited

Inventor： Chuanxiang Tang ,  Zhe Zhang ,  Qingxiu Jin ,  Jiaru Shi ,  Huaibi Chen ,  Wenhui Huang ,  Shuxin Zheng ,  Yaohong Liu

IPC: H05H9/04 ,  H05G2/00 ,  H05H7/12 ,  H05H7/22 ,  H05G1/32

CPC classification number: H05H9/04 ,  H05G1/32 ,  H05G2/00 ,  H05H7/12 ,  H05H7/22 ,  H05H9/048

Abstract: A standing wave electron linear accelerating apparatus and a method thereof are disclosed. The apparatus comprises an electron gun configured to generate electron beams; a pulse power source configured to provide a primary pulse power signal; a power divider coupled downstream from the pulse power source and configured to divide the primary pulse power signal outputted from the pulse power source into a first pulse power signal and a second pulse power signal; a first accelerating tube configured to accelerating the electron beams with the first pulse power signal; a second accelerating tube configured to accelerate the electron beams with the second pulse power signal; a phase shifter configured to continuously adjust a phase difference between the first pulse power signal and the second pulse power signal so as to generate accelerated electron beams with continuously adjustable energy at output of the second accelerating tube.

Abstract translation: 公开了一种驻波电子线性加速装置及其方法。 该装置包括配置成产生电子束的电子枪; 脉冲电源，被配置为提供初级脉冲功率信号; 耦合到所述脉冲电源的下游并被配置为将从所述脉冲电源输出的所述主脉冲功率信号划分为第一脉冲功率信号和第二脉冲功率信号的功率分配器; 第一加速管，被配置为用第一脉冲功率信号加速电子束; 第二加速管，被配置为用所述第二脉冲功率信号加速所述电子束; 移相器，被配置为连续地调节第一脉冲功率信号和第二脉冲功率信号之间的相位差，以便在第二加速管的输出处产生具有连续可调能量的加速电子束。

公开(公告)号：US20160046861A1

公开(公告)日：2016-02-18

申请号：US14827258

申请日：2015-08-14

Applicant: Tsinghua University ,  Nuctech Company Limited

Inventor： Yanchun WANG ,  Qingjun Zhang ,  Yuanjing Li ,  Zhiqiang Chen ,  Ziran Zhao ,  Yinong Liu ,  Yaohong Liu ,  Jianping Chang ,  Shuqing Zhao ,  Wenjian Zhang ,  Yongqiang Wang

IPC: C09K11/77 ,  C04B40/00 ,  C04B35/645

CPC classification number: C09K11/7772 ,  C04B35/5156 ,  C04B35/547 ,  C04B35/6261 ,  C04B35/64 ,  C04B35/645 ,  C04B35/6455 ,  C04B40/0007 ,  C04B2235/3203 ,  C04B2235/3224 ,  C04B2235/3229 ,  C04B2235/3287 ,  C04B2235/445 ,  C04B2235/5436 ,  C04B2235/5481 ,  C04B2235/6565 ,  C04B2235/6567 ,  C04B2235/6581 ,  C04B2235/661 ,  C04B2235/662 ,  C04B2235/666 ,  C04B2235/72 ,  C04B2235/77 ,  C04B2235/9653

Abstract: The present disclosure is directed to a rapid process for the preparation of gadolinium oxysulfide having a general formula of Gd2O2S, referred to as GOS, scintillation ceramics by using the combination of spark plasma primary sintering (SPS) and hot isostatic pressing secondary sintering.

Abstract translation: 本公开涉及通过使用火花等离子体一次烧结（SPS）和热等静压二次烧结的组合制备具有通式Gd 2 O 2 S（称为GOS）闪烁陶瓷的通式Gd 2 O 2 S的快速方法。

公开(公告)号：US11422070B2

公开(公告)日：2022-08-23

申请号：US16989123

申请日：2020-08-10

Applicant: NUCTECH COMPANY LIMITED ,  Tsinghua University

Inventor： Qingjun Zhang ,  Yuanjing Li ,  Zhiqiang Chen ,  Jianmin Li ,  Shangmin Sun ,  Yaohong Liu ,  Weiping Zhu ,  Qiufeng Ma ,  Ge Li ,  Biao Cao ,  Zheng Liang ,  Ying Li ,  Yu Hu

IPC: G01N1/24 ,  G01N27/622

Abstract: A sampling probe, an automatic sampling device, and a container detection system are provided. The sampling probe includes: a mounting base; a housing mounted on the mounting base, a first accommodation chamber having an opening being defined in the housing, and an exhaust hole in communication with the first accommodation chamber and outside of the housing being formed in the housing; a coupling portion formed on an outer edge of the opening of the first accommodation chamber and formed to be hermetically coupled with an air outlet of a container; and a suction device mounted on the housing and configured to suck gas in the container into the first accommodation chamber through the air outlet. The sampling probe may collect the odor of toxic and harmful gases/hazardous chemicals inside the container at the air outlet of the container, without destroying the overall structure of the container.

公开(公告)号：US11408852B2

公开(公告)日：2022-08-09

申请号：US16621877

申请日：2019-05-08

Applicant: TSINGHUA UNIVERSITY ,  Nuctech Company Limited ,  WUHU JIAHONG NEW MATERIAL CO., LTD.

Inventor： Zhiqiang Chen ,  Chunan Xu ,  Qingjun Zhang ,  Fengfeng Xiong ,  Yuanjing Li ,  Ziran Zhao ,  Yinong Liu ,  Yaohong Liu ,  Ge Li ,  Qiufeng Ma ,  Biao Cao

IPC: G01N1/22 ,  G01N27/622 ,  G01N30/72 ,  G01N30/02

Abstract: A sampling tube bundle includes a tube bundle body and a joint assembly. The tube bundle body includes a gas sampling tube for transmitting sampling gas; a metal woven layer wrapping an outer circumference of the gas sampling tube; a heating pad comprising a heat tracing cable wrapping an outer circumference of the metal woven layer, for heating the sampling gas in the gas sampling tube; a flame resistant tape wound around an outer circumference of the of the heating pad; a plurality of signal transmission lines circumferentially spaced apart from one another are arranged outside the flame resistant tape; and a sheath located outside the signal transmission line. The joint assembly is arranged on an end of the tube bundle body, for connecting to an analysis device or a sampling device.

公开(公告)号：US11026319B2

公开(公告)日：2021-06-01

申请号：US16727639

申请日：2019-12-26

Applicant: Tsinghua University ,  NUCTECH COMPANY LIMITED ,  NuRay Technology Co., Ltd

Inventor： Yuanjing Li ,  Yaohong Liu ,  Huaping Tang ,  Jinsheng Liu ,  Xiying Liu ,  Zhanfeng Qin ,  Wei Jia ,  Jinsong Pan

IPC: H05G1/32 ,  H02M3/28 ,  H02M7/10 ,  H05G1/20 ,  H05G2/00

Abstract: Embodiments of the present disclosure disclose a multi-output high-voltage power supply including a channel selection circuit (103) including a plurality of switches; and a high-voltage power supply module (101) connected to the channel selection circuit (103), wherein the high-voltage power supply module (101) includes a fine adjusting power supply component (110) and a plurality of coarse adjusting power supply components (120-1 to 120-N) connected in series, wherein one high-voltage output terminal of the high-voltage power supply module (101) is connected to a common terminal of the channel selection circuit (103), and the other high-voltage output terminal of the high-voltage power supply module (101) is grounded through a current sampling resistor.

公开(公告)号：US10989689B2

公开(公告)日：2021-04-27

申请号：US16235315

申请日：2018-12-28

Applicant: Nuctech Company Limited ,  TSINGHUA UNIVERSITY

Inventor： Qingjun Zhang ,  Weiping Zhu ,  Yuanjing Li ,  Zhiqiang Chen ,  Ziran Zhao ,  Yinong Liu ,  Yaohong Liu ,  Qiufeng Ma ,  Ge Li ,  Biao Cao ,  Nan Bai

IPC: G01N27/62 ,  G01N27/622 ,  G01N30/72 ,  G01N30/20 ,  G01N30/60 ,  G01N30/02

Abstract: A gas chromatography-ion mobility spectrometry detector and a hyphenated apparatus, the gas chromatography-ion mobility spectrometry detector comprises a gas chromatography mechanism and an ion mobility spectrometry mechanism. The gas chromatography mechanism comprises a chromatographic column and a sample injection port. The ion mobility spectrometry mechanism comprises a mobility tube and a connecting body, while a metal connection plate of the connecting body comprises a chromatographic metal plate, an ion mobility metal plate and a semipermeable membrane; on the ion mobility metal plate there are provided an ion mobility sample and carrier gas inlet, an ion mobility sample chamber and a sample injection port; the chromatography sample chamber and the ion mobility sample chamber are separated by semipermeable membrane.

公开(公告)号：US10809207B2

公开(公告)日：2020-10-20

申请号：US15281038

申请日：2016-09-29

Applicant: NUCTECH COMPANY LIMITED

Inventor： Zhiqiang Chen ,  Yumei Chen ,  Yaohong Liu ,  Xinshui Yan ,  Weiqiang Guan ,  Wei Yin

IPC: G01N23/04 ,  G01T7/00 ,  A61B5/107 ,  A61B6/00 ,  G21K1/06

Abstract: The present disclosure provides a ray calibration device and a working method thereof, and a radiation imaging system and a working method thereof, and belongs to the field of radiation imaging technology. The present disclosure can solve the problems that the existing calibration devices have low calibration efficiency and require relatively large spaces. The ray calibration device of the present disclosure includes a driving part, a cam part and a calibration part, wherein the calibration part is located below the cam part; the driving part is adapted to drive the cam part to rotate; and the cam part is adapted to exert a force on the calibration part to enable the calibration part to move into a ray area downwards.

公开(公告)号：US10701787B2

公开(公告)日：2020-06-30

申请号：US16117267

申请日：2018-08-30

Applicant: Nuctech Company Limited ,  Tsinghua University

Inventor： Yaohong Liu ,  Ziran Zhao ,  Jinsheng Liu ,  Huaibi Chen ,  Liang Zhang ,  Dongsheng Zhang

IPC: H01J35/10 ,  H05G1/02 ,  H01J35/12

Abstract: The disclosed technology relates to an X-ray conversion target. In one aspect, the X-ray conversion target includes target body and a target part arranged within the target body, the target part having a first face configured to produce X-rays. The X-ray conversion target further comprises a cooling passage having a side wall, at least a part of the side wall being consisted of a portion of the target part.

公开(公告)号：US10539531B2

公开(公告)日：2020-01-21

申请号：US16376983

申请日：2019-04-05

Applicant: Nuctech Company Limited

Inventor： Qingjun Zhang ,  Yuanjing Li ,  Zhiqiang Chen ,  Ziran Zhao ,  Yinong Liu ,  Yaohong Liu ,  Huishao He ,  Qiufeng Ma ,  Weiping Zhu ,  Xiang Zou ,  Jianping Chang ,  Song Liang

IPC: H01J49/00 ,  G01N27/62 ,  H01J49/04 ,  G01N1/02 ,  G01N1/22 ,  G01N1/40 ,  G01N30/60 ,  G01N30/72 ,  G01N1/42

Abstract: A detection apparatus and a detection method are disclosed. In one aspect, the detection apparatus includes a sampling device for collecting samples to be checked. It further includes a sample pre-processing device configured to pre-process the sample from the sampling device. It further includes a sample analyzing device for separating samples from the pre-processing device and for analyzing the separated samples. The detection apparatus is miniaturized and highly precise, and is capable of quickly and accurately detecting gaseous phase or particulate substances, and it has applications for safety inspections at airports, ports, and subway stations.

公开(公告)号：US10510683B2

公开(公告)日：2019-12-17

申请号：US15718919

申请日：2017-09-28

Applicant: Tsinghua University ,  NUCTECH COMPANY LIMITED

Inventor： Wenjian Zhang ,  Qingjun Zhang ,  Yuanjing Li ,  Zhiqiang Chen ,  Ziran Zhao ,  Yinong Liu ,  Yaohong Liu ,  Xiang Zou ,  Huishao He ,  Shuwei Li ,  Nan Bai

IPC: H01L25/00 ,  H01L23/00 ,  H01L31/024 ,  H01L31/18 ,  H01L23/15 ,  H01L23/498 ,  H01L31/02 ,  H01L31/0203 ,  H01L27/146

Abstract: The present disclosure proposes a packaging structure for a metallic bonding based opto-electronic device and a manufacturing method thereof. According to the embodiments, the packaging structure for an opto-electronic device may comprise an opto-electronic chip and a packaging base. The opto-electronic chip comprises: a substrate having a first substrate surface and a second substrate surface opposite to each other; an opto-electronic device formed on the substrate; and electrodes for the opto-electronic device which are formed on the first substrate surface. The packaging base has a first base surface and a second base surface opposite to each other, and comprises conductive channels extending from the first base surface to the second base surface. The opto-electronic chip is stacked on the packaging base in such a manner that the first substrate surface faces the packaging base, and the electrodes formed on the first substrate surface of the opto-electronic chip are bonded with corresponding conductive channels in the packaging base.