Title:
α-RAY MEASURING DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/208477
Kind Code:
A1
Abstract:
An α-ray measuring device which is provided with: a box-shaped container that has a gas inlet and a gas outlet; a cathode film which is provided within the box-shaped container; a plurality of anode wires which are arranged parallel to each other at a distance from the cathode film, while being electrically connected to each other and having a diameter of from 1 μm to 30 μm (inclusive); and a plurality of cathode wires which are arranged parallel to each other at a distance from the anode wires, while being electrically connected to the cathode film and having a diameter of from 1 μm to 30 μm (inclusive).
Inventors:
SAWADA YOSHINORI (JP)
SHIONO ICHIRO (JP)
SHIONO ICHIRO (JP)
Application Number:
PCT/JP2019/016962
Publication Date:
October 31, 2019
Filing Date:
April 22, 2019
Export Citation:
Assignee:
MITSUBISHI MATERIALS CORP (JP)
International Classes:
G01T1/18; H01J47/06
Foreign References:
| JPS6154489A | 1986-03-18 | |||
| JPH0541196A | 1993-02-19 | |||
| JPH01211852A | 1989-08-25 | |||
| JPS63238587A | 1988-10-04 | |||
| US5019711A | 1991-05-28 |
Attorney, Agent or Firm:
AOYAMA, Masakazu (JP)
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