PROBLEM TO BE SOLVED: To provide a collimator module in which a collimator veneer is not often bent or warped.SOLUTION: The collimator module (10A) includes: the plurality of collimator single plates (11) in a rectangular shape having a pair of long sides and a pair of short sides shorter than the long sides a pair of blocks (12) provided with a plurality of first grooves (125) to which the short sides of the collimator veneers are inserted and which are extended along the radiation direction of X-rays, for inserting and supporting the short sides of the plurality of collimator single plates to the grooves so that the plurality of collimator single plates are erected along the radiation direction of the X-rays and a support member provided with a plurality of second grooves to which the long sides of the collimator single plates are inserted and including an incidence side fixing plate (13) and an emission side fixing plate (15) for supporting the plurality of collimator single plates by covering the plurality of first grooves of the pair of blocks and at least a part of the long sides of the plurality of collimator single plates adjacent to them from the incidence side and emission side of the X-rays in the state that the short sides are inserted to the first grooves and the long sides are inserted to the second grooves.COPYRIGHT: (C)2011,JPO&INPIT【課題】 コリメータ単板が撓んだり反ったりすることの少ないコリメータモジュールを提供する。【解決手段】 コリメータモジュール(10A)は、一対の長辺及び長辺より短い一対の短辺を有する矩形状の複数のコリメータ単板(11)と、コリメータ単板の短辺が挿入され且つX線の照射方向に沿って伸びた複数の第1の溝(125)を有し、複数のコリメータ単板がX線の照射方向に沿って立設するように複数のコリメータ単板の短辺を溝に挿入して支持する一対のブロック(12)と、コリメータ単板の長辺が挿入される複数の第2の溝を有し、一対のブロックの複数の第1の溝及び少なくともそれに隣接する複数のコリメータ単板の長辺の一部を、短辺が第1の溝に挿入され長辺を第2の溝に挿入された状態でX線の入射側及び出射側から覆うことにより複数のコリメータ単板を支持する入射側固定板(13)及び出射側固定板(15)を含む支持部材と、を備える。【選択図】 図4
