RADON SENSOR DEVICE USING POLYHEDRAL-SHAPED IONIZATION CHAMBER

WIPO Patent Application WO/2020/218714

A1

The present invention relates to a radon sensor device using a polyhedral-shaped ionization chamber, the radon sensor device comprising: a polyhedral-shaped ionization chamber which has one open side surface and an inner surface surrounded by a first conductor, and in which an electric field is formed by applying a bias power to the first conductor; a cover part which has one side surface covered by a second conductor and closes the open one side surface of the ionization chamber so as to electrically connect the first conductor provided on the inner surface of the ionization chamber to the second conductor; a probe part which is disposed inside the ionization chamber and absorbs ionic charges generated when alpha (α) decay occurs inside the ionization chamber; and a measurement circuit unit which amplifies an electrical micro-signal inputted from the probe part to a prescribed magnitude, and performs signal processing thereon to output an alpha particle detection signal. The present invention has the effects of having excellent mountability, being strong against electromagnetic radiation noise, and being simple to assemble, and thus has a reduced production cost and is suitable for mass production.

WO/2008/080753	RADON MONITORING DOSIMETER
JPS6010588	[Title of the Invention] Radioactivity monitoring method
JPH0627836	[Title of Invention] Radiation Monitor

KO JAE JUN (KR)
KIM YOUNG GWEON (KR)

PCT/KR2020/000837

October 29, 2020

January 17, 2020

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FTLAB CO LTD (KR)

G01T1/178; G01T1/185; G01T7/00

KR101935880B1	2019-01-07
KR20150093987A	2015-08-19
KR20170023599A	2017-03-06
JP2005156463A	2005-06-16
KR20180129480A	2018-12-05

See also references of EP 3872532A4

NURY PATENT LAW FIRM (KR)

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