公开(公告)号：US20210223416A1

公开(公告)日：2021-07-22

申请号：US16314048

申请日：2018-12-11

Applicant: Tsinghua University ,  Nuctech Company Limited

Inventor： Yulan LI ,  Hong LI ,  Jianping CHANG ,  Zhi ZHANG ,  Jianmin LI

IPC: G01T1/24 ,  C30B29/08 ,  G01T1/36

Abstract: The present disclosure provides a high purity germanium detector. The high purity germanium detector includes: an array of high purity germanium crystal units including two or more high purity germanium crystal units, wherein, each of the two or more high purity germanium crystal units comprises a partial electrode on a side surface and/or a first top surface, and the electrodes on the side surfaces and/or the first top surfaces of the two or more high purity germanium crystal units are electrically connected together to form a first contact electrode of the high purity germanium detector; and each of the high purity germanium crystal units comprises a respective second contact electrode therein, such that the high purity germanium detector comprises two or more second contact electrodes.

公开(公告)号：US20190301677A1

公开(公告)日：2019-10-03

申请号：US16373770

申请日：2019-04-03

Applicant: Nuctech Company Limited

Inventor： Hongyan WEI ,  Yulan LI ,  Jianping CHANG ,  Haijun YU ,  Xiuxia LI ,  Hong LI ,  Li HE

IPC: F17C3/08

Abstract: A cryostat includes a room temperature vessel, a low temperature vessel, and a refrigeration mechanism. The room temperature vessel includes a room temperature tank, an outer neck tube and a sealing head. The low temperature vessel includes a low temperature tank, an inner neck tube and a liquefaction chamber. The liquefaction chamber corresponds to the first opening and passes through the first opening. The refrigeration mechanism includes a device panel and a refrigeration device. The device panel is disposed on the sealing head. The refrigeration device includes a body and a cold finger. The body is disposed at the device panel. The cold finger is connected with the body and extends into the liquefaction chamber.