| 摘要 |
PROBLEM TO BE SOLVED: To provide an optical element machining tool or the like that hardly causes cracks of the machining tool or flaws of a workpiece or the like, and can evenly supply a machining fluid on a machining surface.SOLUTION: An optical element machining tool 1 has a machining surface 10a coming into abutment with a machined surface of an optical element and for grinding or polishing the machined surface. Slits 11 for dividing the machining surface 10a into a plurality of segments 12, 13 are provided, and at least one segment 12 surrounded by the slits 11 among the plurality of segments 12 forms a polygonal shape in which all inner angles are obtuse angles. |
