Material for aperture grill color image receiving tube, aperture grill, and color image receiving same
AssigneeToyo Kohan Co., Ltd.
InventorsToshiyuki Ueda, Hideo Ikeda, Shinichi Aoki
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Abstract
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.
Claims20
A material for an aperture grill for a color picture tube, characterized by being composed of a low-carbon alloy steel containing 0.60% by weight or more of Mn, 0.051% by weight or more of Si and 0.03% by weight or less of Al, the balance of its composition being Fe and unavoidable impurities.
Dependencies are inferred from the claim text.