Patent ID: 8211624

Claim:
A pattern forming method comprising: (1) forming a first resist layer on a substrate using a first positive-tone radiation-sensitive resin composition, selectively exposing the first resist layer, and developing the exposed first resist layer to form a first pattern; (2) applying a resin composition comprising a hydroxyl group-containing resin and a solvent to the first pattern, baking the applied resin composition, and washing the baked resin composition using a developer to form a second pattern in which the surface of the first pattern is covered with the resin composition, the hydroxyl group-containing resin becoming insoluble or scarcely soluble in the developer when baked; and (3) totally or selectively exposing the second pattern to make the second pattern partly soluble in the developer, and developing the exposed second pattern to form a third pattern in which at least a hole or a groove is formed in the second pattern.