PROBLEM TO BE SOLVED: To provide a manufacturing method of a scattered ray removal grid which is strong and superior in manufacturing efficiency and can effectively absorb and remove scattered rays of X-ray.SOLUTION: The manufacturing method of a scattered ray removal grid to absorb and remove scattered rays of X-ray emitted from a radiation source of X-ray-related equipment includes a process for manufacturing a core metal block substrate with a plurality of core metal elements which are alternately placed at least along one axis direction and have shapes for forming desired open holes of the grid and are to be removed in a succeeding process, an X-ray absorption material coating process to coat surfaces of the core metal elements with metal to be the X-ray absorption material, and a core metal removing process to form the open holes of the grid, to remove the core metal elements from a coated state based on the core metal elements after the X-ray absorption material coating process and to form the grid with the remaining metal comprising the X-ray absorption material to be the X-ray absorption material.COPYRIGHT: (C)2009,JPO&INPIT【課題】 強靱で生産効率にすぐれ、X線のその散乱線を効果的に吸収除去が可能な散乱線除去グリッドの製造方法を提供する。【解決手段】 X線関連装置の線源から照射されるX線のその散乱線を吸収除去する散乱線除去グリッドについて、少なくとも1つの軸方向に1つおきに配置されると共にグリッドの所望形状の開口穴を形成させるべき形状をもち、後工程において除去される複数個の芯金素子を備えた芯金ブロック基板を製造する工程と、芯金素子の表面にX線吸収材となる金属を被覆するX線吸収材被覆工程と、X線吸収材被覆工程後の芯金素子を基にグリッドの開口穴を形成させ被覆されている状態から芯金素子を取除き、X線吸収材となる金属が、X線吸収材からなる残存した金属でグリッドを形成する芯金除去工程とを備えて構成される。【選択図】 図1
