content_image/910660.jpg content_image/910661.jpg content_image/910663.jpg content_image/910664.jpg content_image/910662.jpg
6. The radiation-sensitive or actinic ray-sensitive resin composition according to claim 1, 

wherein the polymer compound (A) further contains a repeating unit ( c) that is represented by the following Formula (II), and 

<img src='content_image/910660.jpg'>

in the formula, R$_{4 }$ represents a hydrogen atom, an organic group, or a halogen atom, D$_{1 }$ represents a single bond or a divalent linking group, Ar$_{2 }$ represents an aromatic ring group, and m$_{1 }$ represents an integer of 1 or greater. 

7. The radiation-sensitive or actinic ray-sensitive resin composition according to claim 5, 

wherein the polymer compound (A) further contains a repeating unit ( c) that is represented by the following Formula (II), and 

<img src='content_image/910661.jpg'>

in the formula, R$_{4 }$ represents a hydrogen atom, an organic group, or a halogen atom, D$_{1 }$ represents a single bond or a divalent linking group, Ar$_{2 }$ represents an aromatic ring group, and m$_{1 }$ represents an integer of 1 or greater. 

8. The radiation-sensitive or actinic ray-sensitive resin composition according to claim 1, 

wherein the repeating unit (b) is represented by the following Formula (I-2), 

<img src='content_image/910663.jpg'>

in the formula, R$_{1 }$ and R$_{2 }$ each independently represent an alkyl group, a cycloalkyl group, or an aryl group, B$_{2 }$ 

represents a single bond or a divalent linking group, X represents a hydrogen atom or an organic group, n represents an integer of 1 or greater, and in a case where n represents an integer of 2 or greater, a plurality of R/s, a plurality ofR/s, and a plurality of X’s may be the same as or different from each other, respectively. 

9. The radiation-sensitive or actinic ray-sensitive resin composition according to claim 6, 

wherein the repeating unit (b) is represented by the following Formula (I-2), 

<img src='content_image/910664.jpg'>

in the formula, R$_{1 }$ and R$_{2 }$ each independently represent an alkyl group, a cycloalkyl group, or an aryl group, B$_{2 }$ represents a single bond or a divalent linking group, X represents a hydrogen atom or an organic group, n represents an integer of 1 or greater, and in a case where n represents an integer of 2 or greater, a plurality of R/s, a plurality ofR/s, and a plurality of X’s may be the same as or different from each other, respectively. 

10. The radiation-sensitive or actinic ray-sensitive resin composition according to claim 7, 

wherein the repeating unit (b) is represented by the following Formula (I-2), 

<img src='content_image/910662.jpg'>

in the formula, R$_{1 }$ and R$_{2 }$ each independently represent an alkyl group, a cycloalkyl group, or an aryl group, B$_{2 }$ represents a single bond or a divalent linking group, X represents a hydrogen atom or an organic group, n represents an integer of 1 or greater, and in a case where n represents an integer of 2 or greater, a plurality of R/s, a plurality ofR/s, and a plurality of X’s may be the same as or different from each other, respectively. 

