Patent ID: 6733891
Filing Date: 2004-05-11
Classification: C03C,Y10T

Abstract:
A roll, comprising:a core; and a coating comprising a silicate glass material provided over the core, wherein the silicate glass material can be electrically charged and discharged, and comprises: silica, from about 40 mol % to about 95 mol %; soda, from about 5 mol % to about 60 mol %; alumina, from 0 to about 7 mol %; phosphate, from 0 to about 5 mol %; potash, from 0 to about 10 mol %; titania, from 0 to about 20 mol %; vanadium penta-oxide, from 0 to about 10 mol %; chromia, from 0 to about 8 mol %; iron oxide, from 0 to about 5 mol %; nickel, from 0 to about 5 mol %; silver, from 0 to about 5 mol %; and gold, from 0 to about 5 mol %.