The present invention provides a novel surface-treated molybdenum compound powder and provides a prepreg, a laminate, a metal foil laminate, a printed wiring board, and the like that have a low thermal expansion coefficient in the planar direction, and excellent drillability, heat resistance, and flame retardancy. The surface-treated molybdenum compound powder of the present invention has at least part of the surface thereof coated with an inorganic oxide, and this is used as a filler.
本发明提供了一种新型表面处理
钼化合物粉末,并提供了一种预浸料、层压板、
金属箔层压板、印刷线路板等,这些材料在平面方向上具有较低的热膨胀系数,以及优异的可钻性、耐热性和阻燃性。本发明的表面处理
钼化合物粉末至少有一部分表面涂有无机氧化物,并将其用作填料。