wherein Q is a halogenated or non-halogenated, C 2-30 olefin-containing group, A is a fluorine-substituted C 1-30 alkylene group, a fluorine-substituted C 3-30 cycloalkylene group, a fluorine-substituted C 6-30 arylene group, or a fluorine-substituted C 7-30 alkylene-arylene group, Z is an anionic group comprising sulfonate, sulfonamide, or sulfonamide, and G + has formula (II):
wherein X is S or I, each R 0 is halogenated or non-halogenated and is independently C 1-30 alkyl group; a polycyclic or monocyclic C 3-30 cycloalkyl group; a polycyclic or monocyclic C 4-30 aryl group; or a combination of these, wherein when X is S, one of the R 0 groups is optionally attached to one adjacent R 0 group by a single bond, and a is 2 or 3, wherein when X is I, a is 2, or when X is S, a is 3. A copolymer, a photoresist, a coated substrate and method of patterning are disclosed.
摘要:
A resist composition for an electron beam, EUV or X-ray comprising (A1) a compound that has a reduction potential higher than that of diphenyl iodonium salt and generates an acid upon irradiation of an actinic ray or radiation.
摘要:
A radiation-sensitive resin composition includes (A) an acid-labile group-containing resin, and (C) a compound shown by the following general formula (i).
wherein R 1 represents a hydrogen atom or the like, R 2 represents a single bond or the like, R 3 represents a linear monovalent hydrocarbon group having 1 to 10 carbon atoms in which some or all of the hydrogen atoms may be substituted with a fluorine atom, or the like, and X + represents an onium cation.
摘要:
A photosensitive composition comprises (A) a sulfonium or iodonium salt having an anion represented by one of formulae (I) and (II):
wherein Y represents an alkylene group substituted with at least one fluorine atom, and R represents an alkyl group or a cycloalkyl group. the photosensitive composition further comprising: (D) a resin soluble in an alkali developer; and (E) an acid crosslinking agent that crosslinks with the resin (D).
摘要:
A resist composition, includes: (B) a polymer having a group capable of decomposing under an action of an acid and having a weight average molecular weight of 1,000 to 5,000, of which solubility in an alkali developer increases under an action of an acid; and (Z) a compound containing a sulfonium cation having a structure represented by formula (Z-1):
wherein Y 1 to Y 13 each independently represents a hydrogen atom or a substituent, and adjacent members of Y 1 to Y 13 may combine with each other to form a ring; and Z represents a single bond or a divalent linking group.