Patent ID: 6917150
Filing Date: 2005-07-12
Classification: C22C,H01J

Abstract:
1. A shadow mask material for a color picture tube comprising low carbon steel with manganese of 0.60 wt % to 1.0 wt %, aluminum of 0.002 to 0.012 wt %, carbon equal to or less than 0.03 wt %, silicon of equal to or less than 0.01 wt %, phosphorus of equal to or less than 0.10 wt %, nitrogen of 0.010 to 0.020 wt %, sulfur of equal to or less than 0.10 wt %, copper of 0.001 to 0.10 wt %, and chromium of 0.001 to 0.10 wt %.