Patent ID: 7238627

Claim:
A process for manufacturing an insulating film for a semiconductor device, comprising the steps of A) preparing a composition for forming an insulating film, comprising a) an organosilicate polymer prepared by a process comprising the steps of i) providing an organometallic silane compound represented by Chemical Formula 1 below; ii) causing a Grignard reaction of the organometallic silane compound alone, or the organometallic silane compound and a silane compound or silane oligomer to prepare a carbon-bridged silane oligomer and remove metal compound by-products; and iii) mixing the carbon-bridged silane oligomer in organic solvent, and adding water and a catalyst thereto to cause hydrolysis and condensation to prepare an organosilicate polymer; and b) an organic solvent; B) coating the composition on a substrate of a semiconductor device to prepare a coated insulating film; and C) drying and curing the coated insulating film: R 1 p R 2 3-p SiR 3 MX Chemical Formula 1 wherein R 1 is independently hydrogen, fluorine, aryl, vinyl, allyl, or fluorine-substituted or unsubstituted linear or branched C 1-4 alkyl; R 2 is independently chlorine, acetoxy, hydroxy, or linear or branched C 1-4 alkoxy; R 3 is C 1-6 hydrocarbon; M is magnesium, mercury, or copper; X is halogen; and p is an integer of 0 to 2.