Abstract:
PROBLEM TO BE SOLVED: To provide a radiation-sensitive resin composition for manufacture of a semiconductor device excellent in transparency, dry etching resistance and uniformity in film thickness. SOLUTION: The radiation sensitive resin composition comprises (A) an acid cleavable group-containing resin selected from the group consisting of a resin (AI) having an alicyclic skeleton represented by formula (1) and a resin (AII) having a structure obtained by substituting the hydrogen atoms of carboxyl groups in a carboxyl-containing alkali-soluble resin by a group having an alicyclic skeleton and an acid cleavable group, (B) a radiation-sensitive acid generator and (C) a solvent comprising a mixture of a linear ketone and an alkyl 2-hydroxypropionate. COPYRIGHT: (C)2006,JPO&NCIPI
Abstract:
PROBLEM TO BE SOLVED: To obtain a radiation sensitive resin composition which can acquire a sufficient spacer configuration even in the exposure of not more than 1,200 J/m 2 with high sensitivity and high resolution and also can form a spacer for a liquid crystal display element excellent in elastic recovery, rubbing resistance, adhesiveness with a transparent substrate, heat resistance, or the like. SOLUTION: The radiation sensitive resin composition comprises: a polymer which is obtained by reacting an isocyanate compound expressed by formula (1) (in formula (1), R 1 represents hydrogen atom or methyl group and R 2 represents an alkylene group) with a copolymer of (a1) an unsaturated carboxylic acid and/or an unsaturated carboxylic acid anhydride, (a2) an epoxy group-containing unsaturated compound, (a3) a hydroxyl group-containing unsaturated compound, and (a4) another unsaturated compound; a polymerizable unsaturated compound; and a radiation sensitive polymerization initiator. COPYRIGHT: (C)2006,JPO&NCIPI
Abstract:
PROBLEM TO BE SOLVED: To provide a radiation-sensitive resin composition as a chemically amplified resist, which is, in particular, excellent in resolution for a contact hole as well as excellent in transparency for radiation, dry etching durability, pattern profile, sensitivity, resolution or the like. SOLUTION: The radiation-sensitive resin composition contains: (A) a resin having an alicyclic skeleton only in the main chain; (B) a compound having ≤1,000 molecular weight and expressed by general formula (1); and (C) a radiation-sensitive acid generating agent. At least one of the component (A) and the component (B) contains an acid-cleaving group. In formula (1), each of R 1 and R 2 represents a hydrogen atom or an acid-cleaving group, Z represents a group having a cyclic hydrocarbon structure with total 7 to 25 carbon atoms constituting the ring, a represents an integer 0 to 6, and b represents an integer 1 to 6. COPYRIGHT: (C)2005,JPO&NCIPI
Abstract:
PROBLEM TO BE SOLVED: To provide a radiation-sensitive resin composition having high transparency to radiation and excellent in basic physical properties as a resist such as sensitivity, resolution, dry etching resistance and pattern shape. SOLUTION: The radiation-sensitive resin composition comprises (A) a resin comprising a copolymer of (meth)acrylic esters having lactone-containing heterocyclic structures typified by compounds of formula (1) and acid-dissociable group-containing (meth)acrylic esters typified by t-tubyl (meth)acrylate, 2- methyl-2-adamantyl (meth)acrylate and 2-norbornyl-2-n-propyl (meth)acrylate and (B) a radiation-sensitive acid generator typified by 1-(3,5-dimethyl-4- hydroxyphenyl)tetrahydrothiophenium nonafluoro-n-butanesulfonate and 1-(4-n- butoxy-1-naphtyl)tetrahydrothiophenium perfluoro-n-octanesulfonate. COPYRIGHT: (C)2003,JPO
Abstract:
PROBLEM TO BE SOLVED: To provide a radiation sensitive resin composition for forming a fine line pattern particularly even when the space width of a line-and-space pattern is wide and excellent also in transparency, sensitivity and resolution to radiation. SOLUTION: The radiation sensitive resin composition contains (A) an alkali- insoluble or slightly alkali-soluble resin containing repeating units derived from a compound obtained by substituting a group of formula (1), (2) or (3) (where R , R and R are each H or lower alkyl; X is methylene, -O- or -S-; and (a) is 1-5) for the hydrogen atom of a carboxyl group in (meth)acrylic acid and repeating units derived from 2-methyl-2-adamantyl (meth)acrylate or the like and exhibiting alkali solubility under the action of an acid, (B) a radiation sensitive acid generator and (C) a polycyclic compound having a functional group such as a t-butoxycarbonyl group.
Abstract:
PROBLEM TO BE SOLVED: To provide a solution of a radiation sensitive resin composition having a controlled low water content, not causing the hydrolysis of a carboxylic anhydride structure in the resin and excellent in long-term shelf stability and to provide a method for improving the shelf stability of a solution of a radiation sensitive resin composition containing a resin having a carboxylic anhydride structure. SOLUTION: The solution of a radiation sensitive resin composition contains (A) an acid dissociable group-containing resin having a carboxylic anhydride structure and made alkali-soluble when the acid dissociable group is dissociated and (B) a radiation sensitive acid generating agent and has
Abstract:
PROBLEM TO BE SOLVED: To provide a radiation sensitive resin composition having high transparency to radiation, excellent in sensitivity, resolution and pattern shape and less liable to a change in line width due to the increase and decrease of space width as a chemical amplification type resist sensitive particularly to far UV typified by ArF excimer laser beam (193 nm wavelength). SOLUTION: The radiation sensitive resin composition contains (A1) a resin containing norbornene repeating units each having a (substituted) carboxylic acid amide group typified by an N,N-dimethylnorbornene-5-carboxylic acid amide or an N,N-dimethyltetracyclo[4.4.0.12,5.17,10]dodeca-3-ene-8-carboxylic acid amide or (A2) a resin containing (substituted) (meth)acrylamide repeating units typified by N,N-dimethyl(meth)acrylamide and (B) a radiation sensitive acid generating agent.
Abstract:
PROBLEM TO BE SOLVED: To provide a radiation sensitive resin composition which can be advantageously used as a resist for the production of an integrated circuit supposed to be made minuter in future by making the composition adaptable to any radiation, e.g. X-rays such as synchrotron radiation or charged corpuscular radiation such as electron beams besides far UV such as excimer laser light. SOLUTION: The radiation sensitive resin composition contains a polymer having repeating units of formula (1) and a radiation sensitive crosslinker or a radiation sensitive acid generating agent and an acid crosslinker.
Abstract:
PROBLEM TO BE SOLVED: To provide a radiation sensitive resin composition having superior dry etching resistance and high transparency to radiation, excellent in basic physical properties as a resist such as sensitivity, resolution and pattern shape, excellent also in shelf stability as a composition and retaining satisfactory adhesiveness to a substrate. SOLUTION: The radiation sensitive resin composition contains (A) a resin having repeating units derived from a derivative substituted by an oxygen- containing polar group (e.g. a hydroxyl or hydroxymethyl group) or a nitrogen- containing polar group (e.g. a cyano group), e.g. bicyclo[2.2.1]hept-2-ene or tetracyclo[4.4.0.12,5.17,10]dodec-3-ene, repeating units derived from maleic anhydride and repeating units derived from an acid dissociable ester derivative of (meth)acrylic acid typified by formula 1, 2 or 3 and (B) a radiation sensitive acid generating gent.
Abstract:
PROBLEM TO BE SOLVED: To provide a radiation sensitive resin composition having high transparency to radiation as a chemical amplification type resist, excellent in basic physical properties as a resist such as dry etching resistance, sensitivity, resolution and pattern shape, not causing development defects in microfabrication and capable of producing a semiconductor device in a high yield. SOLUTION: The radiation sensitive resin composition contains (A) an alkali- insoluble or slightly alkali-soluble acid-dissociable group-containing resin having a skeleton of formula 1 preferably as a group of formula 2-1 or 2-2 and convertible to an alkali-soluble resin when the acid-dissociable group is dissociated and (B) a radiation sensitive acid generating agent. The component A is typified by a copolymer comprising repeating units of formula 3.