Patent ID: 8679727
Filing Date: 2014-03-25
Classification: G03F,Y10T

Abstract:
1. A developing method for immersion lithography of an electronic device with a resist containing a surface segregation agent, which is expressed by a general expression (1), and chemically-amplified resist component, comprising: a step of development with alkali immersion, wherein the surface segregation agent is insoluble in the developer, and a step of dissolving and removing, conducted using a dissolving and removing solution that selectively dissolves and removes said surface segregation agent of an upper layer portion of said resist without dissolving said chemically-amplified resist component, said general expression (1) being: where R represents a hydrogen atom, lower alkyl group, halogen atom, or lower alkyl halide group, Y wherein said dissolving and removing solution comprises a mixture of at least one alcohol and at least one ether.