Title:
RADIOACTIVATION SUPPRESSION STRUCTURE, AND RADIOACTIVATION SUPPRESSION STRUCTURE CONSTRUCTION METHOD
Document Type and Number:
Japanese Patent JP2022178432
Kind Code:
A
Abstract:
To provide a radioactivation suppression structure and radioactivation suppression structure construction method that can suppress radioactivation, using panel materials made of timber or timber composite lumbering without keeping a water content of the timber and the like over a long period.SOLUTION: A radioactivation suppression structure of the present invention is the structure that suppresses radioactivation of a wall body closing a room where neutron generates, and comprises: a plate-like shield body; and a plate-like (or a thin film-like) rear surface plate. The shield body of the shield body and the rear surface plate is formed of a wooden plate of a wood-made (or a composite wood-made), and, on the other hand, the rear surface plate contains a boron compound. In a front surface of a wall body, the rear surface plate is arranged, and the shield body is arranged in a front surface of the rear surface plate. The shield body contains the number of carbon atoms more than 0.0261×1024 pieces in a unit pillar (becoming a quadrangular pillar to be set by a unit surface and a plate thickness).SELECTED DRAWING: Figure 2
Inventors:
OKUNO KOICHI
TANAKA SEIICHIRO
HOSHI KAZUHIRO
SHIRABE KOJI
SEKINE MAKINA
SUGA DAISAKU
SHIMIZU SHOICHI
TANAKA SEIICHIRO
HOSHI KAZUHIRO
SHIRABE KOJI
SEKINE MAKINA
SUGA DAISAKU
SHIMIZU SHOICHI
Application Number:
JP2021085228A
Publication Date:
December 02, 2022
Filing Date:
May 20, 2021
Export Citation:
Assignee:
HAZAMA ANDO CORP
HYOGO ION BEAM MEDICAL SUPPORT CO LTD
HYOGO ION BEAM MEDICAL SUPPORT CO LTD
International Classes:
G21F3/00; A61N5/01; G21F1/10; G21F7/00
Attorney, Agent or Firm:
Patent Attorney Corporation Takemasa International Patent and Trademark Office