| Patent application number | Description | Published |
| 20080220370 | POSITIVE RESIST COMPOSITION AND PATTERN FORMING METHOD USING THE SAME - A positive resist composition, includes: (A) a resin having a repeating unit represented by formula (A) as defined in the specification, which decomposes under an action of an acid to increase a solubility of the resin (A) in an alkali developer; and a pattern forming method uses the composition. | 09-11-2008 |
| 20080241743 | POSITIVE RESIST COMPOSITION AND PATTERN FORMING METHOD USING THE SAME - A positive resist composition, includes: (B) a resin containing a repeating unit represented by formula (Ia) or (Ib) as defined in the specification, which decomposes under an action of an acid to increase a solubility of the resin (B) in an aqueous alkali solution; and (A) a compound capable of generating an acid upon irradiation with actinic rays or radiation, and a pattern forming method uses the composition. | 10-02-2008 |
| 20080241749 | POSITIVE RESIST COMPOSITION AND PATTERN FORMING METHOD USING THE SAME - A positive resist composition, includes: (B1) a resin capable of decomposing under an action of an acid to increase a solubility of the resin (B1) in an aqueous alkali solution, the resin (B1) containing a specific hydroxystyrene-based repeating unit and/or (meth)acrylic acid-based repeating unit as defined in the specification; (B2) a resin capable of decomposing under an action of an acid to increase a solubility of the resin (B2) in an aqueous alkali solution, the resin (B2) containing a specific hydroxystyrene-based repeating unit and/or (meth)acrylic acid-based repeating unit as defined in the specification and containing a specific aromatic ring structure-containing repeating unit as defined in the specification; and (A) a compound capable of generating an acid upon irradiation with actinic rays or radiation, and a pattern forming method uses the composition. | 10-02-2008 |
| 20090087789 | RESIST COMPOSITION AND PATTERN-FORMING METHOD USING THE SAME - A resist composition includes (A) a resin including: a repeating unit capable of decomposing by the action of an acid to increase solubility in an alkali developing solution and represented by formula (I), and a repeating unit represented by formula (II); and (B) a compound capable of generating an acid upon irradiation with actinic ray or radiation: | 04-02-2009 |
| 20100040971 | PATTERN FORMING METHOD, AND RESIST COMPOSITION, DEVELOPER AND RINSING SOLUTION USED IN THE PATTERN FORMING METHOD - A pattern forming method comprising a step of applying a resist composition whose solubility in a negative tone developer decreases upon irradiation with an actinic ray or radiation and which contains a resin having an alicyclic hydrocarbon structure and a dispersity of 1.7 or less and being capable of increasing the polarity by the action of an acid, an exposure step, and a development step using a negative tone developer; a resist composition for use in the method; and a developer and a rinsing solution for use in the method, are provided, whereby a pattern with reduced line edge roughness and high dimensional uniformity can be formed. | 02-18-2010 |
| 20100040972 | PATTERN FORMING METHOD, AND RESIST COMPOSITION, DEVELOPER AND RINSING SOLUTION USED IN THE PATTERN FORMING METHOD - A pattern forming method comprising a step of applying a resist composition whose solubility in a negative tone developer decreases upon irradiation with an actinic ray or radiation and which contains a resin having an alicyclic hydrocarbon structure and a dispersity of 1.7 or less and being capable of increasing the polarity by the action of an acid, an exposure step, and a development step using a negative tone developer; a resist composition for use in the method; and a developer and a rinsing solution for use in the method, are provided, whereby a pattern with reduced line edge roughness and high dimensional uniformity can be formed. | 02-18-2010 |
| 20100248146 | POSITIVE RESIST COMPOSITION AND PATTERN FORMING METHOD USING THE SAME - A positive resist composition comprising (A) a resin which contains all of the repeating units represented by formulae (I) to (III), and becomes soluble in an alkali developer by the action of an acid, and (B) a compound capable of generating an acid upon irradiation with an actinic ray or radiation; and a pattern forming method using the composition. A represents a group capable of decomposing and leaving by the action of an acid, each R | 09-30-2010 |
| 20110014570 | RESIST COMPOSITION AND PATTERN FORMING METHOD USING THE SAME - A resist composition and a pattern forming method using the composition are provided, the resist composition including: (A) a resin that decomposes by an action of an acid to increase a solubility of the resin (A) in an alkali developer; (B) a compound capable of generating an acid upon irradiation with actinic rays or radiation; (C) a compound represented by formula (C1); and (D) a solvent: | 01-20-2011 |