Patent ID: 6544917
Filing Date: 2003-04-08
Classification: B82Y,C04B

Abstract:
A Si-base composition in the form of a slurry, comprising:a Si powder with a mean particle size of no more than 10 &mgr;m and a surface oxygen content of no more than 3 wt %, a sintering aid, water in an amount of 50 to 90 wt % relative to the total weight of the composition, and a surface coating agent in an amount of 0.05 to 10 wt % relative to the Si powder, wherein the surface coating agent is trivalent metal ions of at least one selected from the group consisting of Fe, Ga, Sc, Al, Cr, Yb, Sm, Y, In, Pb, V, Ti, Zr, and Hf, and the pH of the composition is adjusted to between 3 and 8.