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1. (WO2018101237) RIDGE FILTER AND METHOD FOR MANUFACTURING SAME

Pub. No.:    WO/2018/101237    International Application No.:    PCT/JP2017/042524
Publication Date: Fri Jun 08 01:59:59 CEST 2018 International Filing Date: Wed Nov 29 00:59:59 CET 2017
IPC: A61N 5/10
B29C 64/118
B29C 64/153
B29C 64/268
B33Y 10/00
B33Y 80/00
Applicants: HITACHI, LTD.
株式会社日立製作所
Inventors: ARAI, Satoshi
荒井 聡
FURUICHI, Hiroaki
古市 浩朗
HIRAI, Jun-ichi
平井 純一
CHIBA, Osamu
千葉 修
MURATA, Tomoki
村田 朋貴
Title: RIDGE FILTER AND METHOD FOR MANUFACTURING SAME
Abstract:
A ridge filter 100 provided to a particle beam therapy device, the ridge filter 100 having a repeating structure 101 provided with a plurality of extension parts 101c extending along an incidence direction P of a particle beam 204, and a base plate 102 provided to a bottom surface 101b on the reverse side of the repeating structure 101 from a particle beam 204 incidence side thereof. Furthermore, the repeating structure 101 and the base plate 102 are integrally formed by a shaping method, and the repeating structure 101 and the base plate 102 each comprise a resin layered body.