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Hideaki Tsubaki, Shizuoka JP

Hideaki Tsubaki, Shizuoka JP

Patent application numberDescriptionPublished
20080241742SURFACE-TREATING AGENT FOR PATTERN FORMATION AND PATTERN-FORMING METHOD USING THE SURFACE-TREATING AGENT - A surface-treating agent for forming a resist pattern, includes: a compound represented by formula (1) as defined in the specification, wherein the surface-treating agent is used in a step between a formation of a first resist pattern on a first resist film and a formation of a second resist film on the first resist pattern to form a second resist pattern, and a pattern-forming method uses the surface-treating agent.10-02-2008
20080261150PATTERN FORMING METHOD, RESIST COMPOSITION FOR MULTIPLE DEVELOPMENT USED IN THE PATTERN FORMING METHOD, DEVELOPER FOR NEGATIVE DEVELOPMENT USED IN THE PATTERN FORMING METHOD, AND RINSING SOLUTION FOR NEGATIVE DEVELOPMENT USED IN THE PATTERN FORMING METHOD - A pattern forming method, including: (A) coating a substrate with a positive resist composition of which solubility in a positive developer increases and solubility in a negative developer decreases upon irradiation with actinic rays or radiation, so as to form a resist film; (B) exposing the resist film; and (D) developing the resist film with a negative developer; a positive resist composition for multiple development used in the method; a developer for use in the method; and a rinsing solution for negative development used in the method.10-23-2008
20080318171METHOD OF FORMING PATTERNS - A method of forming patterns includes (a) coating a substrate with a resist composition for negative development to form a resist film having a receding contact angle of 70 degrees or above with respect to water, wherein the resist composition for negative development contains a resin capable of increasing the polarity by the action of an acid and becomes more soluble in a positive developer and less soluble in a negative developer upon irradiation with an actinic ray or radiation, (b) exposing the resist film via an immersion medium, and (c) performing development with a negative developer.12-25-2008
20090011362PATTERN FORMING METHOD - A pattern forming method performs a multiple exposure process, the multiple exposure process comprising: exposing a resist film with actinic rays or radiation a plurality of times, wherein a contact angle of the resist film for water is 75° or more.01-08-2009
20090017400PATTERN FORMING METHOD - A pattern forming method, includes: exposing a resist film with actinic rays or radiation a plurality of times; and heating the resist film at a first temperature in at least one interval between the exposures.01-15-2009
20090023096POSITIVE RESIST COMPOSITION AND PATTERN FORMING METHOD - A positive resist composition, includes: (A) a compound capable of generating an acid upon irradiation with actinic rays or radiation; (B) a resin of which solubility in an alkali developer increases under an action of an acid, the resin containing 80 mol % or more of an aromatic group-free copolymerization component; and (C) a compound capable of decomposing under an action of an acid to generate an acid, wherein an absolute value of difference in pKa between the acid generated from the component (A) and the acid generated from the component (C) is 2 or less, and an absolute value of difference in molecular weight between the acid generated from the component (A) and the acid generated from the component (C) is 50 or less.01-22-2009
20090035692POSITIVE RESIST COMPOSITION AND PATTERN FORMING MEHTOD - A positive resist composition, includes: (A) a compound capable of generating an acid upon irradiation with actinic rays or radiation; (B) a resin of which solubility in an alkali developer increases under an action of an acid; (C) a compound capable of decomposing under an action of an acid to generate an acid; and (D) a compound which itself acts as a base for the acids generated from the component (A) and the component (C) but decomposes upon irradiation with actinic rays or radiation to lose a basicity for the acids generated from the component (A) and the component (C).02-05-2009
20090042147METHOD OF FORMING PATTERNS - A method of forming patterns includes (a) coating a substrate with a resist composition for negative development to form a resist film, wherein the resist composition contains a resin capable of increasing the polarity by the action of the acid and becomes more soluble in a positive developer and less soluble in a negative developer upon irradiation with an actinic ray or radiation, (b) forming a protective film on the resist film with a protective film composition after forming the resist film and before exposing the resist film, (c) exposing the resist film via an immersion medium, and (d) performing development with a negative developer.02-12-2009
20090081581POSITIVE PHOTOSENSITIVE COMPOSITION AND A PATTERN-FORMING METHOD USING THE SAME - A positive photosensitive composition comprises: (A) a compound that generates an acid upon irradiation with actinic ray or radiation; and (B) a resin that increases its solubility in an alkali developer by action of an acid, wherein the resin (B) has a repeating unit that has an acid-decomposable group and is represented by formula (I):03-26-2009
20100040971PATTERN 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
20100040972PATTERN 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
20100167201RESIST COMPOSITION FOR NEGATIVE TONE DEVELOPMENT AND PATTERN FORMING METHOD USING THE SAME - To provide a resist composition for negative tone development, which can form a pattern having a good profile improved in the pattern undercut and moreover, can reduce the line edge roughness and enhance the in-plane uniformity of the pattern dimension, and a pattern forming method using the same.07-01-2010
20100190106RESIST COMPOSITION FOR NEGATIVE TONE DEVELOPMENT AND PATTERN FORMING METHOD USING THE SAME - For stably forming a high-precision fine pattern and thereby producing a highly integrated electronic device with high precision, a resist composition for negative tone development, which can reduce the line edge roughness and enhance the in-plane uniformity of the pattern dimension and furthermore, can ensure excellent bridge margin, and a pattern forming method using the same are provided.07-29-2010
20100239984PATTERN FORMING METHOD - A pattern forming method, includes: (i) a step of applying a resist composition whose solubility in a positive tone developer increases and solubility in a negative tone developer decreases upon irradiation with an actinic ray or radiation, the resist composition containing a resin capable of increasing a polarity by the action of an acid; (ii) an exposure step; (iii) a step of performing development by using a negative tone developer to form a resist pattern; and (iv) a step of causing a crosslinked layer-forming material to act on the resist pattern to crosslink the resin constituting the resist pattern and the crosslinked layer-forming material, thereby forming a crosslinked layer. According to the present invention, a method for forming a pattern having an effectively micro-dimensioned trench or hole pattern without generation of a scum is provided.09-23-2010
20100323305PATTERN FORMING METHOD, RESIST COMPOSITION FOR MULTIPLE DEVELOPMENT USED IN THE PATTERN FORMING METHOD, DEVELOPER FOR NEGATIVE DEVELOPMENT USED IN THE PATTERN FORMING METHOD, AND RINSING SOLUTION FOR NEGATIVE DEVELOPMENT USED IN THE PATTERN FORMING METHOD - A pattern forming method, including: (A) coating a substrate with a positive resist composition of which solubility in a positive developer increases and solubility in a negative developer decreases upon irradiation with actinic rays or radiation, so as to form a resist film; (B) exposing the resist film; and (D) developing the resist film with a negative developer; a positive resist composition for multiple development used in the method; a developer for use in the method; and a rinsing solution for negative development used in the method.12-23-2010
20100330507PATTERN FORMING METHOD, RESIST COMPOSITION TO BE USED IN THE PATTERN FORMING METHOD, NEGATIVE DEVELOPING SOLUTION TO BE USED IN THE PATTERN FORMING METHOD AND RINSING SOLUTION FOR NEGATIVE DEVELOPMENT TO BE USED IN THE PATTERN FORMING METHOD - A pattern forming method includes (a) coating a substrate with a resist composition including a resin that includes a repeating unit represented by a following general formula (NGH-1), and, by the action of an acid, increases the polarity and decreases the solubility in a negative developing solution; (b) exposing; and (d) developing with a negative developing solution:12-30-2010
20110020755METHOD OF FORMING PATTERNS - A method of forming patterns includes (a) coating a substrate with a resist composition for negative development to form a resist film, wherein the resist composition contains a resin capable of increasing the polarity by the action of the acid and becomes more soluble in a positive developer and less soluble in a negative developer upon irradiation with an actinic ray or radiation, (b) forming a protective film on the resist film with a protective film composition after forming the resist film and before exposing the resist film, (c) exposing the resist film via an immersion medium, and (d) performing development with a negative developer.01-27-2011
20110045413RESIST COMPOSITION FOR NEGATIVE TONE DEVELOPMENT AND PATTERN FORMING METHOD USING THE SAME - To provide a resist composition for negative tone development, which can form a pattern having a good profile improved in the pattern undercut and moreover, can reduce the line edge roughness and enhance the in-plane uniformity of the pattern dimension, and a pattern forming method using the same.02-24-2011
20110076625METHOD OF FORMING PATTERNS - A method of forming patterns includes (a) coating a substrate with a resist composition for negative development to form a resist film having a receding contact angle of 70 degrees or above with respect to water, wherein the resist composition for negative development contains a resin capable of increasing the polarity by the action of an acid and becomes more soluble in a positive developer and less soluble in a negative developer upon irradiation with an actinic ray or radiation, (b) exposing the resist film via an immersion medium, and (c) performing development with a negative developer.03-31-2011

Patent applications by Hideaki Tsubaki, Shizuoka JP