Abstract:
PROBLEM TO BE SOLVED: To provide a pattern forming method by which a pattern excellent in exposure latitude (EL) and line width variance (LWR) or CD (critical dimension) uniformity (CDU) is formed; to provide a pattern formed by the same; to provide a chemically amplified resist composition used in the pattern forming process; and to provide a resist film formed from the resist composition. SOLUTION: The pattern forming method includes (α) a process for forming a film by using a chemically amplified resist composition containing (A) a resin having a non-aromatic cyclic organic group, (B) a compound generating an acid by the irradiation with an actinic ray or radiation, and (C) a crosslinking agent, (β) a process for exposing the formed film, and (γ) a process for developing the exposed film by using a developing solution containing an organic solvent. A pattern formed by the pattern forming method, a chemically amplified resist composition used in the pattern forming method, and a resist film formed from the resist composition are also provided. COPYRIGHT: (C)2011,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide an actinic ray-sensitive or radiation-sensitive resin composition which enables formation of a pattern having good pattern collapse resistance and few development defects, and a pattern forming method using the composition. SOLUTION: There is provided the actinic ray-sensitive or radiation-sensitive resin composition wherein transmittance for light of wavelength 193 nm for film thickness of 100 nm is 55-80%, and the pattern forming method using the composition. COPYRIGHT: (C)2011,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide an actinic ray-sensitive or radiation-sensitive resin composition which reduces coating defects and enables provision of an excellent pattern even in immersion exposure, and a pattern forming method using the same. SOLUTION: The actinic ray-sensitive or radiation-sensitive resin composition includes: (A) a resin which is decomposed by the action of an acid and exhibits increased solubility in an alkali developer; (B) a compound which generates an acid upon irradiation with actinic rays or radiation; (C) a resin having at least either a fluorine atom or a silicon atom and a polarity conversion group which is decomposed by the action of an alkali developer and exhibits increased solubility in the alkali developer; and (D) a mixed solvent containing at least one solvent selected from the group represented by general formulae (S1)-(S3), wherein the total content of the solvent is 3-20 mass% in all solvents. COPYRIGHT: (C)2011,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide an actinic ray-sensitive or radiation-sensitive resin composition which is superior in various properties of roughness of line width, suppression of bubble defects, suppression of particles, and reduction of scum. SOLUTION: The actinic ray-sensitive or radiation-sensitive resin composition includes: a resin (A) which has a repeating unit expressed by general formula (1) and increases the dissolution speed in an alkaline developer due to the action of an acid; a resin (B) having at least one repeating units obtained by cyclic polymerization of compounds expressed by general formulas (2) to (4) or a resin obtained by deriving from this resin; a compound (C) which generates an acid by actinic rays or radiation; and a solvent (D). COPYRIGHT: (C)2011,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a polymer compound that has excellent affinity to developer and is used for fine pattern formation in semiconductor production, and a new polymerizable compound for producing the polymer compound. SOLUTION: The polymerizable compound represented by general formula (ca-1) or (cb-1) and the polymer compound obtained by polymerizing the same are provided. Wherein, A, Z 1 , Z 2 , Ta, Tb, Tc, and L each independently represents a predetermined group, linkage, or atom; m, n, p, q, and r each independently represents a predetermined integer. COPYRIGHT: (C)2010,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide an excellent pattern forming method employed to form a minute pattern in the manufacture of a semiconductor and suppress both of line width roughness and pattern collapse, and to provide a photosensitive composition used in this method. SOLUTION: This pattern forming method includes a process for forming a resist film by using the photosensitive composition having a specific repeating unit having at least a polar group and containing a resin (A) for increasing solubility in an alkaline developer by action of acid, a process for exposing the resist film, a heating process (PEB process), a developing process, and a post-baking process. In the post-baking process, post-baking is performed by setting a heating temperature to a temperature not lower than [a glass-transition temperature (Tg) of the resin (A)-20°C]. The photosensitive composition used in this pattern forming method is also provided. COPYRIGHT: (C)2010,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a positive-type resist composition which causes no pattern fall not only in ordinary exposure (dry exposure) but also in liquid immersion exposure, cancels a trade-off relation, is broad in exposure latitude and reduces line edge roughness, and to provide a pattern-forming method using the positive-type resist composition. SOLUTION: The positive-type resist composition contains: a specific compound which generates a sulfonic acid, which has ester structure and a fluorine atom, by the radiation of active beams or radiation; and a resin which is 150°C or below in glass transition temperature and increases its solubility in an alkali developer due to the action of an acid. The pattern-forming method is also provided using the positive-type resist composition. COPYRIGHT: (C)2010,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a composition for film formation capable of forming an insulating film that has a low dielectric constant and excellent mechanical strengths and has good surface properties (film surface properties) and heat resistance. SOLUTION: The composition for film formation comprises a polymer (A) comprising a monomer unit represented by formula (1) (wherein R 1 is an alkyl group or an aryl group; X is -COOR 2 , -CON(R 2 ) 2 or -CN; R 2 is a hydrogen atom, an alkyl group or an aryl group; and when a plurality of R 2 exist, they may be the same or different from each other and may be linked together to form a ring structure). COPYRIGHT: (C)2010,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a composition for forming a film, which allows a film having high heat resistance, high mechanical strength, and a low dielectric constant to be formed, and to provide an insulating film formed by using the same and an electronic device having the insulating film. SOLUTION: The composition for forming a film contains a polymer having a constitutive repeating unit represented by formula (1) or (2). The insulating film is formed by using the composition, and the electronic device has the insulating film. In the formula (1), R 1 and R 2 each independently represents a hydrogen atom or a substituent; X represents a substituent, n represents an integer of 0-2, and L 1 represents a single bond or a divalent linking group. In the formula (2), R 3 and R 4 each independently represents a hydrogen atom or a substituent; and L 2 represents a divalent linking group, and two carbon-carbon triple bonds are in cis positions to carbon-carbon double bond. COPYRIGHT: (C)2009,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide a film forming composition with which a film having high heat resistance, high mechanical strength, low permittivity and excellent storage stability over time is formed, an insulating film obtained by using the film forming composition, and an electronic device having the insulating film. SOLUTION: The insulating film forming composition includes a compound (A) having at least one substructure represented by general formula (1) in the molecule and a resin for the insulating film or its precursor (B), (in the formula, R 1 -R 6 respectively independently represent arbitral substituents, wherein arbitral substituents R 1 -R 6 may be connected to each other and form a ring structure, and two substituents on an identical carbon (R 1 and R 2 , R 3 and R 4 , R 5 and R 6 ) are united with each other so as to represent a double bond). COPYRIGHT: (C)2009,JPO&INPIT