Patent ID: 7833439
Filing Date: 2010-11-16
Classification: B22F,C03C,C22C,Y10T

Abstract:
1. An infrared-absorbing composition, the dry portion of which comprises, prior to firing: a. About 65 to about 93 wt % of a silver component comprising silver powder having a tap density of about 0.4 to about 4.3 g/cc; b. about 0.1 to about 5 wt % of a borosilicate glass fit comprising an oxide of a metal selected from the group consisting of lead, zinc, bismuth, and combinations thereof; c. about 5 to about 10 wt % of a co-ground blend of d. about 1 to about 10 wt % of carbon black; e. about 0.1 to about 5 wt % of inorganic black pigment; and f. about 0.1 to about 5 wt % of a staining compound, the staining compound comprising: wherein the staining compound particle D