摘要:
A polymer having a rate of dissolution in an alkaline developer that increases under the action of acid is provided. The polymer is prepared by reacting a hydrogenated ROMP polymer with an O-alkylating agent in the presence of a base.
摘要:
A polymer having a rate of dissolution in an alkaline developer that increases under the action of acid is provided. The polymer is prepared by reacting a hydrogenated ROMP polymer with an O-alkylating agent in the presence of a base.
摘要:
Resist compositions comprising a hydrogenated ring-opening metathesis polymer bearing an alicyclic structure in its backbone and comprising structural units having an oxygen atom incorporated as part of the cyclic structure exhibit a high resolution and minimal proximity bias upon ArF excimer laser lithography and have high etching resistance.
摘要:
[Problem] Provided is a resin having an alicyclic structure in a main chain, which is excellent in etching resistance and developing property, a resist composition for exposure with a high energy radiation using the resin, and a method for forming a pattern using the resist composition. [Means to Solve] Also provided is a hydrogenated ring-opening metathesis polymer which is comprised of alicyclic skeleton-containing structural units [A], [B] and a structural unit [C] selected from the following general formula [5] and/or [6]: wherein, e and f represent respectively an integer of 0 to 3, wherein the at least one of X1 of the general formula [1] of the structural unit [A], X of the general formula [3] and X3 of the general formula [4] of the structural unit [B] is —O—, and wherein the molar ratio of the structural units [A], [B] and [C] satisfies simultaneously that [A]/([B]+[C]) is from 20/80 to 98/2, ([A]+[B])/[C] is from 99/1 to 50/50, and ([A]+[C])/[B] is from 99/1 to 21/79. Also, a resist composition comprising the same and a method for forming a pattern are provided.
摘要:
Provided is a resin having an alicyclic structure in a main chain, which is excellent in etching resistance and developing property, a resist composition for exposure with a high energy radiation using the resin, and a method for forming a pattern using the resist composition.Also provided is a hydrogenated ring-opening metathesis polymer which is comprised of alicyclic skeleton-containing structural units [A], [B] and a structural unit [C] selected from the following general formula [5] and/or [6]: wherein, e and f represent respectively an integer of 0 to 3, wherein the at least one of X1 of the general formula [1] of the structural unit [A], X2 of the general formula [3] and X3 of the general formula [4] of the structural unit [B] is —O—, and wherein the molar ratio of the structural units [A], [B] and [C] satisfies simultaneously that [A]/([B]+[C]) is from 20/80 to 98/2, ([A]+[B])/[C] is from 99/1 to 50/50, and ([A]+[C])/[B] is from 99/1 to 21/79. Also, a resist composition comprising the same and a method for forming a pattern are provided.
摘要:
Resist compositions comprising a hydrogenated ring-opening metathesis polymer bearing an alicyclic structure in its backbone and comprising structural units having an oxygen atom incorporated as part of the cyclic structure exhibit a high resolution and minimal proximity bias upon ArF excimer laser lithography and have high etching resistance.
摘要:
Disclosed is an optical material including a cyclic olefin copolymer containing at least a repeating structural unit [A] represented by the general formula (1) and a repeating structural unit [B] represented by the general formula (2) and having a molar ratio [A]/[B] of from 95/5 to 1/99, wherein the absolute value of the ratio ΔOB/ΔF is from 0.001 to 0.250 in which ΔOB represents the amount of a change in the absolute value of the orientation birefringence calculated from the phase difference (nm) at a wavelength of 633 nm/film thickness (μm) in a stretched film obtained from the optical material, and ΔF represents the amount of a change in the absolute value of the orientation coefficient determined from the dichroic ratio of parallel light intensity I∥ to perpendicular light intensity I⊥, each relative to the orientation direction according to Raman spectroscopy.
摘要:
The present invention is to provide a fluorine-containing polymer having excellent light transmission in the vacuum ultraviolet region of not more than 193 nm, a monomer favorably used for preparing the fluorine-containing polymer, a process for preparing the fluorine-containing polymer, and uses of the fluorine-containing polymer. The fluorine-containing polymer has at least a repeated unit structure represented by the following formula (1) and has an absorption coefficient of not more than 3.0 μm−1 at 157 nm of ultraviolet rays. wherein R1 to R12 are each fluorine, a fluorine-containing alkyl group of 1 to 20 carbon atoms, or the like; X1 is —CRaRb—, —NRa— or —PRa— (Ra and Rb are each fluorine, a fluorine-containing alkyl group of 1 to 20 carbon atoms, hydrogen, —O—, —S—, an alkyl group of 1 to 20 carbon atoms, or the like); at least one of R1 to R12 and X1 is fluorine or a fluorine-containing group; and n is 0 or an integer of 1 to 3.
摘要翻译:本发明提供一种在不大于193nm的真空紫外区域中具有优异透光性的含氟聚合物,有利地用于制备含氟聚合物的单体,制备含氟聚合物的方法,以及 使用含氟聚合物。 含氟聚合物至少具有由下式(1)表示的重复单元结构,并且在157nm处的紫外线具有不大于3.0μm-1的吸收系数。其中R 1至R“ 12>各自为氟,碳原子数1〜20的含氟烷基等; X 1为-CR a R b - , - NR a - 或-PR a - (R 5'和R b各自为氟,含氟烷基为 1〜20个碳原子,氢,-O - , - S-,1〜20个碳原子的烷基等); R 1至R 12和X 1中的至少一个为氟或含氟基团; n为0或1〜3的整数。
摘要:
Disclosed is an optical material including a cyclic olefin copolymer containing at least a repeating structural unit [A] represented by the general formula (1) and a repeating structural unit [B] represented by the general formula (2) and having a molar ratio [A]/[B] of from 95/5 to 1/99, wherein the absolute value of the ratio ΔOB/ΔF is from 0.001 to 0.250 in which ΔOB represents the amount of a change in the absolute value of the orientation birefringence calculated from the phase difference (nm) at a wavelength of 633 nm/film thickness (μm) in a stretched film obtained from the optical material, and ΔF represents the amount of a change in the absolute value of the orientation coefficient determined from the dichroic ratio of parallel light intensity I∥ to perpendicular light intensity I⊥, each relative to the orientation direction according to Raman spectroscopy.
摘要:
A hydrogenated ring-opening metathesis polymer which contains at least a structural unit [B] of the following general formula [3] and/or a structural unit [C] of the following general formula [4]: wherein, R8 to R11 and R13 to R16 each independently represent a hydrogen atom or a linear, branched or cyclic alkyl group having 1 to 10 carbon atoms, and X2s and X3s are the same or different and represent —O— or —CR122— wherein, R12 represents a hydrogen atom or a linear or branched alkyl group having 1 to 10 carbon atoms). One of Y1 and Y2 represents —(C═O)— and the other of Y1 and Y2 represents —CR182— wherein, R18 represents a hydrogen atom or a linear or branched alkyl group having 1 to 10 carbon atoms and m and n represent an integer of 0 or 1 to 3.