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    • 112. 发明授权
    • Compounds for use in a positive-working resist composition
    • 用于正性抗蚀剂组合物的化合物
    • US5929271A
    • 1999-07-27
    • US912123
    • 1997-08-15
    • Hideo HadaKazufumi SatoHiroshi KomanoToshimasa Nakayama
    • Hideo HadaKazufumi SatoHiroshi KomanoToshimasa Nakayama
    • C07C69/013G03F7/004G03F7/039C07C69/74
    • C07C69/013G03F7/0045G03F7/039Y10S430/115Y10S430/122
    • Proposed is novel compounds for use in a chemical-sensitization positive-working photoresist composition used in the photolithographic patterning process for the manufacture of fine electronic devices, which is capable of giving, with high photosensitivity to ArF excimer laser beams, a patterned resist layer having an excellently orthogonal cross sectional profile and high resistance against dry etching and exhibiting good adhesion to the substrate surface. While the composition comprises (A) a film-forming resinous ingredient which causes an increase of alkali solubility by interacting with an acid and (B) a radiation-sensitive acid-generating agent, the most characteristic feature of the invention consists in the use of a specific acrylic resin as the component (A), which comprises the monomeric units of a (meth)acrylic acid ester of hydroxy bicyclo�3.1.1!heptanone unsubstituted or substituted by an alkyl group such as hydroxypinanone (meth)acrylate, optionally, in combination with the monomeric units derived from (meth)acrylic acid and/or tert-butyl (meth)acrylate in a molar fraction of 3:7 to 7:3.
    • 提出了用于制造精细电子器件的光刻图案化方法中使用的化学增感正性光致抗蚀剂组合物中的新化合物,其能够赋予ArF准分子激光束具有高光敏性的图案化抗蚀剂层,其具有 具有优异的正交横截面轮廓和高耐干腐蚀性,并且对基材表面表现出良好的粘合性。 虽然组合物包含(A)通过与酸相互作用引起碱溶解度增加的成膜树脂成分和(B)辐射敏感的酸产生剂,但是本发明的最特征在于使用 作为组分(A)的特定丙烯酸树脂,其包含未被取代或被烷基如羟基酮(甲基)丙烯酸酯取代的羟基双环[3.1.1]庚酮的(甲基)丙烯酸酯的单体单元, 与来自(甲基)丙烯酸和/或(甲基)丙烯酸叔丁酯的单体单元组合,摩尔分数为3:7至7:3。
    • 113. 发明授权
    • Photoresist composition
    • 光刻胶组成
    • US5800964A
    • 1998-09-01
    • US717779
    • 1996-09-24
    • Mitsuru SatoKazuyuki NittaHideo HadaTatsuya HashiguchiHiroshi KomanoToshimasa Nakayama
    • Mitsuru SatoKazuyuki NittaHideo HadaTatsuya HashiguchiHiroshi KomanoToshimasa Nakayama
    • G03F7/004G03F7/038G03F7/039H01L21/027
    • G03F7/0045Y10S430/12Y10S430/122
    • Disclosed is a novel and improved photoresist composition which comprises: (A) a film-forming resinous compound which is, in the presence of an acid, subject to a change in the solubility in an alkaline solution; and (B) an acid-generating agent capable of releasing an acid by the exposure to actinic rays which is an oxime sulfonate compound represented by the general formula NC--CR.sup.1 .dbd.N--O--SO.sub.2 --R.sup.2, in which R.sup.1 and R.sup.2 are, each independently from the other, an unsubstituted or halogen-substituted monovalent aliphatic hydrocarbon group, e.g., alkyl, cycloalkyl, alkenyl and cycloalkenyl groups. By virtue of the non-aromatic nature of the component (B) as well as good solubility thereof in organic solvents and high acid strength of the acid released therefrom, the composition is highly transparent to deep ultraviolet light even when the content of the component (B) is relatively large and the photosensitivity of the composition is very high so that the photoresist composition is capable of giving a patterned resist layer having excellent characteristics.
    • 公开了一种新颖且改进的光致抗蚀剂组合物,其包含:(A)在酸存在下,在碱溶液中溶解度变化的成膜树脂化合物; 和(B)能够通过暴露于由通式NC-CR1 = NO-SO2-R2表示的肟磺酸盐化合物的光化射线释放酸的酸产生剂,其中R 1和R 2各自独立地为 另一个,未取代或卤素取代的一价脂族烃基,例如烷基,环烷基,烯基和环烯基。 由于组分(B)的非芳香性质以及其在有机溶剂中的良好溶解性和从其释放的酸的高酸强度,组合物对于深紫外光是高度透明的,即使组分( B)相对较大并且组合物的光敏性非常高,使得光致抗蚀剂组合物能够提供具有优异特性的图案化抗蚀剂层。
    • 117. 发明授权
    • Positive resist composition and method of forming resist pattern
    • 正型抗蚀剂组合物和形成抗蚀剂图案的方法
    • US08187789B2
    • 2012-05-29
    • US12428133
    • 2009-04-22
    • Koji YonemuraMakiko IrieHideo Hada
    • Koji YonemuraMakiko IrieHideo Hada
    • G03F7/00G03F7/004G03F7/028
    • G03F7/0045G03F7/0046G03F7/0392G03F7/0397G03F7/2041
    • A positive resist composition, including a resin component (A) which exhibits increased solubility in an alkali developing solution under action of an acid, and an acid generator component (B) which generates an acid upon exposure, wherein the component (A) includes a structural unit (a1) derived from a hydroxystyrene, and a structural unit (a2) containing an acid dissociable, dissolution inhibiting group; and the component (B) includes an acid generator (B1) composed of a compound represented by the general formula (b1) shown below: [Chemical Formula 1] X-Q1-Y1—SO3−A+  (b1) (in the formula, Q1 represents a bivalent linking group containing an oxygen atom; Y1 represents an alkylene group of 1 to 4 carbon atoms which may contain a substituent or a fluorinated alkylene group of 1 to 4 carbon atoms which may contain a substituent; X represents a hydrocarbon group of 3 to 30 carbon atoms which may contain a substituent; and A+ represents an organic cation).
    • 一种正型抗蚀剂组合物,包括在酸作用下在碱性显影液中显示出增加的溶解性的树脂组分(A)和暴露时产生酸的酸产生剂组分(B),其中组分(A)包括 由羟基苯乙烯衍生的结构单元(a1)和含有酸解离的溶解抑制基团的结构单元(a2) 组分(B)包括由以下通式(b1)表示的化合物构成的酸产生剂(B1):[化学式1] X-Q1-Y1-SO3-A +(b1)(式中, Q1表示含有氧原子的二价连接基团; Y1表示可以含有取代基的1〜4个碳原子的亚烷基或可含有取代基的1〜4个碳原子的氟化亚烷基; X表示 3〜30个可含有取代基的碳原子; A +表示有机阳离子)。
    • 119. 发明授权
    • Resist composition and process for formation of resist patterns
    • 抗蚀剂图案的抗蚀剂组成和工艺
    • US07901865B2
    • 2011-03-08
    • US11574805
    • 2005-09-02
    • Taku HirayamaDaiju ShionoHideo Hada
    • Taku HirayamaDaiju ShionoHideo Hada
    • G03F7/004G03F7/028G03F7/039
    • G03F7/0392G03F7/0045G03F7/0048Y10S430/114
    • A resist composition that includes a base material component (A), which contains acid-dissociable, dissolution-inhibiting groups and exhibits increased alkali solubility under the action of acid, an acid generator component (B) that generates acid on exposure, and an organic solvent (C), in which the components (A) and (B) are dissolved in the organic solvent (C), wherein the base material component (A) contains a protected form (A1) of a polyhydric phenol compound (a) having two or more phenolic hydroxyl groups and a molecular weight within a range from 300 to 2,500, in which either a portion of, or all of, the phenolic hydroxyl groups are protected with acid-dissociable, dissolution-inhibiting groups, and the organic solvent (C) comprises an alcohol.
    • 一种抗蚀剂组合物,其包含基质成分(A),其含有酸解离的溶解抑制基团,并且在酸的作用下显示出增加的碱溶解性,在曝光时产生酸的酸产生剂组分(B)和有机 其中组分(A)和(B)溶解在有机溶剂(C)中的溶剂(C),其中基材组分(A)含有多元酚化合物(a)的保护形式(A1) 两个或更多个酚羟基和分子量在300-2,500的范围内,其中酚羟基的一部分或全部被酸解离的溶解抑制基团保护,并且有机溶剂( C)包含醇。