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公开(公告)号:JP2001055600A
公开(公告)日:2001-02-27
申请号:JP22721399
申请日:1999-08-11
Applicant: ALLIED SIGNAL INC
Inventor: OANA M REONTE , NAKANO TADASHI , KELLY M BERIZU , CHRYSLER LAW
Abstract: PROBLEM TO BE SOLVED: To enable edge beads of a dielectric film to be removed and a processing apparatus to be rinsed by depositing a coating solution containing a dielectric material and a solvent on a substrate and depositing a specific aromatic aliphatic ether on the edge part of the substrate surface. SOLUTION: A coating solution comprising 1-50 wt.% dielectric material and 50-99 wt.% aromatic aliphatic ether represented by the formula (e.g. anisole or phenetole) is prepared and is caused to pass through a mocropore filtering apparatus. The coating solution is poured by portions onto the surface of a substrate, such as a rotating wafer being coated by spin coating. After the removal of edge beads formed, the applied coating solution is baked under heating at 70-350 deg.C and is cured at 300-450 deg.C to form a dielectric film. A polyarylene ether and an organohydridesiloxane resin are examples of the dielectric material. In the formula, R is CnH2n+1 (wherein (n) is 1-6); and R1 to R5 are each CmH2m+1 (wherein (m) is 0-3).