Patent ID: 7358299
Filing Date: 2008-04-15
Classification: C09D,H01B,H01L,Y10S,Y10T

Abstract:
1. A composition comprising: a siloxane resin prepared by heating a mixture containing tetraalkoxysilane, an alkyltrialkoxysilane, and/or a trialkoxysilane, and a solvent, followed by vaporizing a predetermined amount of the alcohol produced by the reaction of the tetraalkoxysilane, an alkyltrialkoxysilane, and/or a trialkoxysilane; a silicon compound substantially consisting of silicon, carbon and hydrogen, wherein the number ratio of carbon forming an —X— bond (wherein X is (C) a dissipating agent for forming pores, said dissipating agent comprising a substance that loses its weight by 5% by weight or more at 150° C. and by 90% by weight or more at 400° C. when heated up at a rate of 10° C./min from usual temperature; and the balance being a solvent.