| 摘要 |
PURPOSE:To obtain the light shielding vane which is light in weight and has high strength and high elasticity by specifying the glass transition temp. of a matrix resin to >=120 deg.C. CONSTITUTION:The matrix resin having >=120 deg.C glass transition temp. (Tg) is used as the plate material for the light shielding vane which is formed by laminating reinforced resin sheets (CFRP) consisting of continuous fibers of carbon fibers paralleled in one direction and the matrix resin enclosing said fibers plane-symmetrically in such a manner than the fiber directions thereof alternately intersect orthogonally or nearly orthogonally with each other and has 60-120mu plate thickness. The plate material which has the sufficient light shieldability over the entire part, has good flatness and maintains the quality stable with an environmental change is obtd. in this way. |
