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    • 163. 发明授权
    • Polymer, resist composition and patterning process
    • 聚合物,抗蚀剂组合物和图案化工艺
    • US06566037B2
    • 2003-05-20
    • US09797878
    • 2001-03-05
    • Tsunehiro NishiKoji HasegawaTakeru WatanabeTakeshi KinshoJun Hatakeyama
    • Tsunehiro NishiKoji HasegawaTakeru WatanabeTakeshi KinshoJun Hatakeyama
    • G03F7038
    • C08F232/08G03F7/0045G03F7/039Y10S430/106Y10S430/111
    • A polymer comprising recurring units of formula (1) and having a Mw of 1,000-500,000 is provided. R1 is H, methyl or CH2CO2R3, R2 is H, methyl or CO2R3, R3 is alkyl, R4 is H, alkyl, alkoxyalkyl or acyl, R5 and R15 are acid labile groups, and at least one of R6 to R9 is a carboxyl or hydroxyl-containing monovalent hydrocarbon group, and the reminders are H or alkyl, at least one of R10 to R13 is a monovalent hydrocarbon group containing a —CO2— partial structure, and the reminders are H or alkyl, R14 is a polycyclic hydrocarbon group or polycyclic hydrocarbon-containing alkyl group, Z is a trivalent hydrocarbon group, k=0 or 1, x is>0, a, b, c and d are≧0, satisfying x+a+b+c+d=1. A resist composition comprising the polymer has significantly improved sensitivity, resolution and etching resistance and is very useful in microfabrication.
    • 提供了包含式(1)的重复单元并且具有1,000-500,000的Mw的聚合物.R1是H,甲基或CH2CO2R3,R2是H,甲基或CO2R3,R3是烷基,R4是H,烷基,烷氧基烷基或酰基 R 5和R 15为酸不稳定基团,R 6〜R 9中的至少一个为羧基或羟基的一价烃基,提醒为H或烷基,R 10〜R 13中的至少一个为含有 -CO 2部分结构,提醒为H或烷基,R 14为多环烃基或含多环烃基的烷基,Z为三价烃基,k = 0或1,x为> 0,a,b, c和d为> = 0,满足x + a + b + c + d = 1。 包含聚合物的抗蚀剂组合物具有显着提高的灵敏度,分辨率和耐蚀刻性,并且在微细加工中非常有用。
    • 167. 发明授权
    • High molecular weight silicone compounds resist compositions, and patterning method
    • 高分子量硅氧烷化合物抵抗组合物和图案化方法
    • US06309796B1
    • 2001-10-30
    • US09129950
    • 1998-08-06
    • Mutsuo NakashimaIchiro KanekoToshinobu IshiharaJunji TsuchiyaJun HatakeyamaShigehiro Nagura
    • Mutsuo NakashimaIchiro KanekoToshinobu IshiharaJunji TsuchiyaJun HatakeyamaShigehiro Nagura
    • G03F7075
    • G03F7/0045C08G77/14C08G77/38C08G77/388C08G77/50G03F7/0392G03F7/0757
    • The invention provides a high molecular weight silicone compound comprising recurring units of formula (1) and having a weight average molecular weight of 1,000-50,000. Some or all of the hydrogen atoms of carboxyl groups or carboxyl and hydroxyl groups in the silicone compound may be replaced by acid labile groups. Z is di- to hexavalent, non-aromatic, monocyclic or polycyclic hydrocarbon or bridged cyclic hydrocarbon group; Z′ is a di- to hexavalent, normal or branched hydrocarbon group or non-aromatic, monocyclic or polycyclic hydrocarbon or bridged cyclic hydrocarbon group; x, y and z are integers of 1-5 corresponding to the valence of Z and Z′; R1 is —OCHR—R′ —OH or —NHCHR—R′ —OH; R2 is alkyl or alkenyl or a monovalent, non-aromatic, polycyclic hydrocarbon or bridged cyclic hydrocarbon group; p1, p2, p3 and p4 are 0 or positive numbers. A resist composition comprising the high molecular weight silicone compound as a base resin is sensitive to actinic radiation and has a high sensitivity and resolution so that it is suitable for microfabrication with electron beams or deep UV. Since the composition has low absorption at the exposure wavelength of an ArF or KrF excimer laser, a finely defined pattern having walls perpendicular to the substrate can be readily formed.
    • 本发明提供了包含式(1)的重复单元并且具有1,000-50,000重均分子量的高分子量硅氧烷化合物。 硅烷化合物中的羧基或羧基和羟基的一部分或全部氢原子可被酸不稳定基团取代.Z为二价至六价,非芳香族,单环或多环烃基或桥环状烃基; Z'是二价至六价,正或支链烃基或非芳香族单环或多环烃或桥连环烃基; x,y和z是对应于Z和Z'的化合价的1-5的整数; R 1是-OCHR-R'-OH或-NHCHR-R'-OH; R2是烷基或链烯基或单价,非芳族,多环烃或桥连环烃基; p1,p2,p3和p4为0或正数。 包含作为基础树脂的高分子量硅氧烷化合物的抗蚀剂组合物对光化辐射敏感,并且具有高灵敏度和分辨率,使得它适合于用电子束或深紫外线的微细加工。 由于组成在ArF或KrF准分子激光器的曝光波长处具有低吸收,因此可以容易地形成具有垂直于衬底的壁的精细限定图案。