| 摘要 |
PROBLEM TO BE SOLVED: To provide an optical reflection mirror in which a mirror surface having an intricate curved shape being used for a projector or the like is precisely provided. SOLUTION: An optical reflection mirror 1 is formed by injection molding a plastic material. The surface shape which becomes a mirror surface 2 has a curved surface section A and thicknesses t<SB>1</SB>, t<SB>2</SB>, and t<SB>3</SB>between front and back surfaces 2 and 3 are formed uniform or approximately uniform as a whole. COPYRIGHT: (C)2005,JPO&NCIPI |
