Abstract:
α-위치에 불소를 함유하는 아크릴레이트 모노머와 함불소 히드록시스티렌 유도체의 공중합체는 VUV 선에 대해 고도로 투명하며, 플라즈마 에칭에 대해 내성이다. 베이스 수지로서 이 고분자 화합물을 사용한 레지스트 조성물은 200nm 이하의 고에너지선에 감응하며, 우수한 감도, 해상도, 투명성, 기판 밀착성 및 플라즈마 에칭 내성을 가지고, 리소그래피용 미세가공에 적합하다.
Abstract:
PURPOSE: Provided are a resist composition which shows a high transparency at a wavelength (157 nm) of a F2 laser and a high γ value, a high contrast and a positive type photoresist effect when exposed to a F2 laser, and is excellent in resolution and plasma dry etching resistance, and a method for forming a pattern by using the composition. CONSTITUTION: The resist composition comprises a polymer comprising a repeating unit of the formula 1; and a polymer comprising a repeating unit of the formula 2 or 3, wherein R1 and R2 are H or an acid-labile group; 0
Abstract translation:目的:提供一种在暴露于F2激光器时在F2激光器的波长(157nm)下具有高透明度,高γ值,高对比度和正型光致抗蚀剂效果的抗蚀剂组合物,并且分辨率优异 和等离子体干蚀刻电阻,以及通过使用该组合物形成图案的方法。 构成:抗蚀剂组合物包含含有式1重复单元的聚合物; 和包含式2或3的重复单元的聚合物,其中R1和R2是H或酸不稳定基团; 0 <= a <= 1,0 <= b <= 1和0.3 <= a + b <= 1; R3是酸不稳定基团; R4和R5独立地为H,可被F,氰基或羟基取代的C1-C4烷基或酸不稳定基团; R6是H,能够被F,氰基或羟基取代的C1-C4烷基或酸不稳定基团; R7是H,能够被F,氰基或羟基取代的C1-C4烷基或酸不稳定基团; X1是单键,亚甲基或亚乙基; X2是单键,亚甲基或亚乙基; X3是亚甲基,亚乙基,O或S; 0 <= c <0.8,0
Abstract:
An acrylate resin containing fluorinated alkyl groups in ester side chains has high transmittance to VUV radiation. A resist composition using the resin as a base polymer is sensitive to high-energy radiation, has excellent sensitivity and resolution, and is suited for lithographic microprocessing.
Abstract:
PURPOSE: To provide an ester compound or a photoresist material by using a polymer having an excellent transparency, an excellent properties of acid elimination and adhesivity capable of fine processing by use of an electron radiation or a far ultraviolet light, particularly F2 laser. CONSTITUTION: The ester compound is represented by general formula (1), £wherein, R¬1 is fluorine or a 1-15C straight-chain, branched-chain or cyclic alkyl group having at least one fluorine atom; R¬2 is a 1-15C straight-chain, branched-chain or cyclic alkyl group in which oxygen atoms may be included|.
Abstract translation:目的:通过使用具有优异透明性的聚合物,通过使用电子辐射或远紫外光,特别是F2激光,能够进行精细加工的酸消除性和粘合性优异,从而提供酯化合物或光致抗蚀剂材料。 构成:酯化合物由通式(1)表示,其中R 1是氟或具有至少一个氟原子的1-15C直链,支链或环状烷基; R 2是可以包含氧原子的1-15C直链,支链或环状烷基。
Abstract:
PURPOSE: A resist material is provided which is sensitive to high energy beams, particularly excellent in sensitivity at 170 nm or less of wavelength and which has improved transparency of a resist and excellent plasma etching resistance. CONSTITUTION: The high polymer compound contains a group of the following formula 1 and has a weight average molecular weight of 1,000 to 500,000, where R1 to R3 are H, F or a straight chained, branched or ringed alkyl group or fluorinated alkyl group having 1 to 20 carbon atoms; each of the R2 and R3 is an alkylene group having 1 to 20 carbon atoms capable of containing hetero atom such as O, S or N in case that R2 and R3 are bonded together to form a ring; R4 and R5 are H or F; R6 and R7 are H, F or a straight chained, branched or ringed alkyl group or fluorinated alkyl group; at least one of R6 and R7 contains at least one or more F; each of the R6 and R7 is a straight chained, branched or ringed alkylene group or fluorinated alkylene group having 1 to 20 carbon atoms in case that R6 and R7 are bonded together to form a ring; and "a" is 0 or 1.
Abstract:
PURPOSE: A process for forming a resist pattern using exposure radiation having a wavelength below 180 nm, and a resist composition suited therefor are provided. CONSTITUTION: A resist composition comprises: (A) a polymer comprising recurring units having an alicyclic hydrocarbon backbone to which a carboxylate moiety capable of generating carboxylic acid when decomposed under acidic conditions is attached through a C1-C20 alkylene spacer; (B) a photoacid generator; and (C) an organic solvent which is sensitive to high-energy radiation, and has excellent sensitivity and resolution at a wavelength below 180nm, and good plasma etching resistance. Because these features of the inventive resist composition enable its use particularly as a resist at the exposure wavelength of a F2 excimer laser, a finely defined pattern can easily be formed, making the resist ideal as a micropatterning material in VLSI fabrication.
Abstract:
PURPOSE: Provided is a resist material which absorbs only a small amount of light particularly in an F2 excimer laser exposure wavelength and which is suitable for simple and easy formation of a fine pattern that is perpendicular to a substrate surface and thus is suitable for forming a fine pattern for an ultra-large scale integrated circuit. CONSTITUTION: The polymer has a repeating unit represented by general formula(1)(wherein R1 is H, IC or a 1-20C straight-chain, branched or cyclic alkyl group, a fluorinated alkyl group or a chlorinated alkyl group; R2 is an acid-unstable group;(o),(p),(q),(r),(s) and (t) satisfy each the relationships of 0
Abstract:
KrF엑시머레이저가 조사되면 산을 발생하고, 상기 산에 의해 반응하는 화학증폭형 레지스트를 사용하여 반도체 기판상에 레지스트막을 형성한다. 마스크를 사용하여 KrF 엑시머레이저를 조사하면 레지스트막의 노광부 표면에서 산이 발생하고, 이 산에 의해 노광부 표면은 친수성으로 변화한다. 레지스트막의 표면에 수증기를 공급하면, 노광부에서 표면으로부터 깊은 부위까지 물이 확산한다. 상대습도 95%의 공기중에서 메틸트리에톡시시란 증기를 레지스트막 표면으로 내뿜으면 노광부 표면에 막두께가 큰 산화막이 선택적으로 형성된다.
Abstract:
본발명의고분자화합물을사용한레지스트재료는, ArF 노광에있어서우수한해상성, 작은라인에지러프니스, 우수한에칭내성, 특히, 에칭후의표면러프니스가작은특성을갖고있다. 또, 투영렌즈와웨이퍼사이에액체를삽입하여노광을행하는 ArF 액침리소그래피에서도동일한높은성능을발휘할수 있다.