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：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.

公开(公告)号：US10699887B2

公开(公告)日：2020-06-30

申请号：US15786389

申请日：2017-10-17

Applicant: NUCTECH COMPANY LIMITED

Inventor： Qingjun Zhang ,  Yuanjing Li ,  Ziran Zhao ,  Weiping Zhu ,  Nan Bai ,  Qiufeng Ma

IPC: H01J49/00 ,  G01N33/00 ,  G01N15/10 ,  G01N35/10 ,  G01N1/38 ,  G01N1/28 ,  G01N33/558 ,  G01N30/06 ,  G01N30/12 ,  G01N30/16 ,  B01L3/00 ,  G01N1/10 ,  G01N1/40 ,  H01J49/04 ,  G01N30/00 ,  G01N30/18 ,  G01N30/04 ,  G01N1/00

Abstract: Embodiments of the present disclosure relate to a preparation and feed apparatus of a standard sample for calibration of a trace-analysis instrument, and especially to a preparation and feed apparatus of a standard sample for calibration of a gas chromatograph-ion mobility spectrometer. When the trace-analysis instrument is being calibrated by taking advantage of the preparation and feed apparatus according to embodiments of the disclosure, it is unnecessary to use an additional dedicated tool and steps to prepare the sample for testing and to use an organic solvent or a dedicated sample application/dispensing tool, resulting in that the trace-analysis instrument is simple and convenient to carry and use, and the substance for calibration is also convenient to store and exchange; moreover, the trace-analysis instrument is also safe, reliable and environmentally friendly.

公开(公告)号：US11346807B2

公开(公告)日：2022-05-31

申请号：US16626767

申请日：2019-06-12

Applicant: NUCTECH COMPANY LIMITED

Inventor： Qingjun Zhang ,  Yuanjing Li ,  Zhiqiang Chen ,  Jianmin Li ,  Yinong Liu ,  Yaohong Liu ,  Lili Yan ,  Biao Cao ,  Weiping Zhu ,  Ge Li ,  Qiufeng Ma ,  Qi Mao ,  Nan Bai

IPC: H01J49/00 ,  G01N27/622 ,  G01N1/22

Abstract: There are provided an ion mobility spectrometer and a sniffer. The ion mobility spectrometer includes: an ion migration tube; a sampling gas path having a sampling device configured to temporarily store a sample gas collected by a sampling head in a sampling pipe; a sample introduction gas path having two ends in communication with the gas inlet and outlet of the ion migration tube respectively, and configured to introduce a carrier gas within the ion migration tube into the sampling pipe and to carry a sample gas temporarily stored in the sampling pipe into the ion migration tube; and a valve assembly configured to only allow gas to flow from the sampling device to the sampling pipe in a sampling state, and to only allow gas to flow from the ion migration tube through the sampling pipe back to the ion migration tube in a sample introduction state.

公开(公告)号：US10654196B2

公开(公告)日：2020-05-19

申请号：US15815819

申请日：2017-11-17

Applicant: Nuctech Company Limited

Inventor： Yanchun Wang ,  Qingjun Zhang ,  Yuanjing Li ,  Zhiqiang Chen ,  Ziran Zhao ,  Yinong Liu ,  Yaohong Liu ,  Nan Bai

IPC: B29C33/00 ,  C04B35/50 ,  B30B11/00 ,  B30B15/02 ,  B22F3/14 ,  C04B35/645 ,  B28B3/00 ,  C04B35/515 ,  C04B35/547 ,  G01T1/20 ,  C04B111/80

Abstract: A mold and a method of manufacturing GOS ceramic scintillator by using the mold are provided. The mold comprises: a female outer sleeve having a cavity disposed inside; a plurality of female blocks disposed inside the cavity, the plurality of female blocks being put together to form a composite structure having a vertical through hole; and a male upper pressing head and a male lower pressing head, wherein each of the male upper pressing head and the male lower pressing head has a shape consistent with that of the vertical through hole. The disclosure may reduce defects of the related art in hot-pressing-sintering such as a mold has a short retirement period and a high material waste, significantly reduce the cost for production of the GOS ceramic scintillator, and significantly improve a process economy.

公开(公告)号：US10473795B2

公开(公告)日：2019-11-12

申请号：US16026106

申请日：2018-07-03

Applicant: Nuctech Company Limited

Inventor： Yongqiang Wang ,  Qingjun Zhang ,  Yuanjing Li ,  Ziran Zhao ,  Lifeng Sun ,  Nan Bai ,  Xingliang Zhai

IPC: G01T1/185 ,  G01T3/00 ,  G01V5/00

Abstract: A large-area X-ray gas detector includes a housing having an inner cavity and a ray entrance communicated with the inner cavity, a thin entrance window and a signal collection module. The inner cavity is filled with a working gas which is a non-electronegativity gas sensitive to the X-ray. The entrance window is hermetically connected to the ray entrance such that the X-ray enters into the inner cavity. The signal collection module comprises an anode wire electrode layer and a cathode electrode layer arranged parallel with each other in the inner cavity, in which the anode wire electrode layer has an anode wire for accessing to a high voltage, and the cathode electrode layer is grounded. The anode wire electrode layer collects electrons generated by the working gas under an action of the X-ray.

公开(公告)号：US10351967B2

公开(公告)日：2019-07-16

申请号：US15843666

申请日：2017-12-15

Applicant: Nuctech Company Limited

Inventor： Yongqiang Wang ,  Qingjun Zhang ,  Yuanjing Li ,  Ziran Zhao ,  Jianping Chang ,  Yanchun Wang ,  Lifeng Sun ,  Nan Bai ,  Xingliang Zhai

IPC: C08K3/14 ,  C08K3/38 ,  C09D5/44 ,  C09D7/61 ,  G01T3/00 ,  C25D13/02 ,  C25D13/12 ,  C25D13/20 ,  C25D13/22

Abstract: The present invention provides a method for forming a sensitive film for neutron detection, wherein the sensitive film is formed by electrophoresis coating, the liquid used for electrophoresis coating includes neutron sensitive material, electrophoresis paint and deionized water, and the neutron sensitive material is 10B single substance, 10B compound or mixture containing 10B. The sensitive film for neutron detection has the high detection efficiency because of the high content of 10B. The sensitive film for neutron detection has the uniform and stable film thickness, and excellent consistency. The production efficiency and the cost of the sensitive film are improved.