Thin film production process

摘要

Films having a thickness on the order of 10 mu m or smaller are effectively produced from a resin laminate (1) which has two major surfaces (1a,1b) and comprises a multiplicity of laminated layers of at least two resin species (A,B) including at least one resin species having a substantial solubility in a solvent and at least one resin species substantially insoluble in the solvent, the layers of said at least two resin species being laminated repetitively and obliquely to the two major surfaces (1a,1b) in at least one section perpendicular to the two major surfaces to form the resin laminate. The layers of resin species having a substantial solubility are selectively dissolved with the solvent to produce a plurality of isolated films of the substantially insoluble resin species at a time.