MATERIAL FOR APERTURE GRILL FOR COLOR IMAGE RECEIVING TUBE, APERTURE GRILL, AND COLOR IMAGE RECEIVING TUBE

摘要

A material for an aperture grill for a color image receiving tube which comprises a low carbon alloy steel containing 0.60 wt % or more or Mn, 0.051 wt % or more of Si, 0.03 wt % or less of AI and the balanced amount of Fe and inevitable impurities; an aperture grill using the material; and an image receiving tube equipped with the aperture grill. The aperture grill exhibits uniform and excellent magnetic characteristics within a coil and the color image receiving tube is free form the occurrence or color discrepancy.