Abstract:
A composition includes a polymer (1) having a partial structure represented by formula (1), and a solvent. X is a hydrogen atom, a halogen atom, a hydroxyl group, an alkyl group having 1 to 5 carbon atoms, a hydroxyalkyl group having 1 to 5 carbon atoms, or a halogenated alkyl group having 1 to 5 carbon atoms. Y is a monovalent organic group having 1 to 12 carbon atoms and containing a hetero atom or a monovalent inorganic acid group. Z is a linking group represented by —O—, —S—, or —NR—, where R is an organic group having 1 to 20 carbon atoms. R1 and R2 are each independently a hydrogen atom, a halogen atom, or an organic group having 1 to 20 carbon atoms, or the like.
Abstract:
Disclosed herein is a method for producing a composition for resist top coat layer, the method including: polymerizing a monomer solution containing a fluorine-containing monomer in a presence of a polymerization initiator that cleaves to generate an active species having 7 or more carbon atoms in total to obtain a fluorine-containing resin A; and mixing the fluorine-containing resin A and a solvent.
Abstract:
A composition includes: at least one polymer represented by formula (1), formula (2), or both; and a solvent. A1 and A2 are each independently a structural unit having 2 or more carbon atoms; a plurality of A's are the same or different and a plurality of A2s are the same or different; n1 and n2 are each independently an integer of 2 to 500; R1, R2, and R3 are each independently an organic group having 1 or more carbon atoms, or R1 and R2 taken together represent a ring together with X1, Y1, and P; R1 and R2 are the same or different; X1, Y1, and Y2 are each independently a single bond, —O—, or —NR4—; R4 is an organic group having 1 or more carbon atoms; and Z1 and Z2 are each independently hydrogen or an organic group having 1 to 15 carbon atoms.
Abstract:
Provided is a negative resist pattern-forming method that enables a resist pattern with fewer development defects to be formed while favorable water repellency of the surface of the upper layer film is maintained. A negative resist pattern-forming method includes the steps of: forming a resist film using a radiation-sensitive resin composition; forming an upper layer film on one face of the resist film using a composition for upper layer film formation; subjecting the resist film having the upper layer film formed thereon to liquid immersion lithography; and developing the resist film subjected to the liquid immersion lithography with a developer solution containing an organic solvent, wherein at least one of the radiation-sensitive resin composition and the composition for upper layer film formation contains a fluorine atom.