Patent ID: 7061081
Filing Date: 2006-06-13
Classification: G03F,H01L

Abstract:
1. A heat-resistant paste which comprises: (A) an aromatic thermoplastic resin soluble in a polar solvent (C) at room temperature, (B) an aromatic thermoplastic resin which is insoluble in the polar solvent (C) at room temperature but is soluble by heating, (C) the polar solvent (C) wherein the polar solvent (C) is selected from the group consisting of a protonic solvent, acetonitrile, dimethoxyethane, dimethylformamide, dimethylsulfoxide, hexamethylphosphoric acid triamide, N-methyl-2-pyrrolidone, dimethylacetamide, γ-butyrolactone and an ether solvent, and (D) a rubber elastomer.