公开(公告)号：JP2004093456A

公开(公告)日：2004-03-25

申请号：JP2002256881

申请日：2002-09-02

Applicant: Hamamatsu Photonics Kk ,  浜松ホトニクス株式会社

Inventor： TOMITA YASUHIRO ,  KANEHARA MASANORI ,  NAKADA MICHIATSU ,  SHIRAYANAGI YUJI ,  MATSUI SHINJIRO

IPC: G01T7/00 ,  G01T1/161 ,  G01T1/17 ,  G01T7/12 ,  G08B21/18

Abstract: PROBLEM TO BE SOLVED: To provide a radiation detector with which the user can feel actually the intensity of detected radiation as the vibration corresponding to the intensity and, in addition, which can prevent the occurrence of faults caused by the vibration of a radiation detecting section or control section.
SOLUTION: Since a vibrating section 8 which is controlled for operation by means of the control section 5 vibrates in accordance with the intensity of radiation when a radiation detecting probe 2 detects the radiation, the user can quickly and surely feel actually the intensity of the detected radiation as the vibration corresponding to the intensity. When the vibrating section 8 vibrates, the vibration of the section 8 is absorbed by a vibration absorbing member and is hardly transmitted to an control grip 1. Therefore, the occurrence of faults caused by the vibration of the radiation detecting probe 2 or control section 5 can be prevented.
COPYRIGHT: (C)2004,JPO

公开(公告)号：JP2000307145A

公开(公告)日：2000-11-02

申请号：JP11494499

申请日：1999-04-22

Applicant: HAMAMATSU PHOTONICS KK

Inventor： TOMITA YASUHIRO

IPC: H01L31/09 ,  G01T1/24

Abstract: PROBLEM TO BE SOLVED: To provide a radioactive detector having full detection efficiency. SOLUTION: In this radioactive detector 10, first and second light-emitting plates 2j and 2k respectively consist of an amorphous carbon and are made to electrically have continuity with a semiconductor radioactive detecting element 1. A bias voltage is applied to the element 1 via the amorphous carbons of both of the plates 2j and 2k. When a plurality of the radioactive detectors 10 are laminated in the thickness direction of the laminated detectors 10, radioactive rays which are incident in the laminated detectors 10 can be efficiently detected by the whole of the plurality of the detectors 10, and the radioactive detection efficiency of each radioactive detector can be raised.

公开(公告)号：JP2000206257A

公开(公告)日：2000-07-28

申请号：JP196199

申请日：1999-01-07

Applicant: HAMAMATSU PHOTONICS KK

Inventor： TOMITA YASUHIRO

IPC: H01L31/09 ,  G01T1/24 ,  G01T7/00

Abstract: PROBLEM TO BE SOLVED: To provide a radiation detector for applying bias easily. SOLUTION: Units 10 of a radiation detector are provided with first and second semiconductor radiation detection elements 1 and 2 that are arranged nearly vertically (X direction) to the incidence direction of a radiation hν and a single, first flat common electrode 5 for supporting the first and second semiconductor radiation detection elements 1 and 2 on both the surfaces. An array 4A or 4B with the plurality of units 10 can detect the incidence position of radiation in a Y direction, and an array assembly 4 where the arrays 4A and 4B are combined can detect the incidence position of radiation in an XY plane.

公开(公告)号：JP2000138393A

公开(公告)日：2000-05-16

申请号：JP31326598

申请日：1998-11-04

Applicant: HAMAMATSU PHOTONICS KK

Inventor： TOMITA YASUHIRO

IPC: H01L31/09 ,  G01J1/24

Abstract: PROBLEM TO BE SOLVED: To provide a radiation detector which is capable of accurately detecting radiations. SOLUTION: When a window material 3 is irradiated with radiation in a state in which a CdTe substrate 2s is biased, radiation is made to emit on the semiconductor substrate 2s through the window material 3, and a radiation detection current flows between terminals 7c and 7b. A detection element 2 is cooled down by a cooling device 4, whereby the detection element 2 is increased in S/N ratio, the cooling device 4 itself generates noises, and noises emitted from the cooling device 4 are made to superpose on signals outputted from the detection element 2 propagating in the air. This radiation detector is equipped with a conductor 5, that is interposed between the detection element 2 and the cooling device 4 and kept at a grounding potential, and the conductor 5 functions as a noise shield that absorbs noises, so that the detection element 2 is improved drastically in S/N ratio.

公开(公告)号：JPH0924295A

公开(公告)日：1997-01-28

申请号：JP17776695

申请日：1995-07-13

Applicant: HAMAMATSU PHOTONICS KK

Inventor： TOMITA YASUHIRO ,  SHIRAYANAGI YUJI

IPC: B03C3/155 ,  B03C3/38

Abstract: PROBLEM TO BE SOLVED: To provide a cleaning apparatus to clean a gas while removing static electricity accumulated on a filter. SOLUTION: This gas apparatus is composed of a box body 50 having a leading inlet 11 and a discharging outlet 12, a gas current producing means 40 to produce gas current toward the discharging outlet from the leading inlet, an x-ray irradiating means 20 to irradiate x-rays to the gas flowing in the box body, and a filter 30 installed in the box body. A gas which is introduced into the box body is ionized by irradiating x-rays from the x-ray irradiating means to the gas. The ionized gas flows along the flowing path in the box body and reaches the filter 30. The ionized gas passes the filter, so that an ion and an electric charge in the filter are coupled and static electricity accumulated on the filter can be eliminated.

公开(公告)号：JPH08180997A

公开(公告)日：1996-07-12

申请号：JP31991094

申请日：1994-12-22

Applicant: HAMAMATSU PHOTONICS KK

Inventor： TOMITA YASUHIRO ,  SHIRAYANAGI YUJI

IPC: H01T23/00 ,  H05F3/06

Abstract: PURPOSE: To provide a ion gas generating device, which can easily adjust the quantity of ionization and which has the excellent ion selection effect. CONSTITUTION: The ion, which has the polarity as same as the polarity of the electric potential of the most outside permeable plate in relation of the most inside permeable plate 40 as the reference, among the ion gas ionized by the X-ray, which is radiated from an X-ray source 20, can not pass the permeable plates 40, 41 due to the electric field formed between the plural permeable plates 40, 41, and contacts with a first conductive film 50 and the inside permeable plate 40, and neutralized. On the other hand, the ion having a different polarity passes through the inside permeable plate 40, and this ion is accelerated in the outside permeable plate 41 direction, and passes through the outside permeable plate 41, and discharged out of an insulating case 10.