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    • 3. 发明授权
    • Photosensitive composition and pattern forming method using the same
    • 光敏组合物和使用其的图案形成方法
    • US07749678B2
    • 2010-07-06
    • US11085482
    • 2005-03-22
    • Tsukasa Yamanaka
    • Tsukasa Yamanaka
    • G03F7/00G03F7/004
    • G03F7/0045G03F7/0392G03F7/0397Y10S430/106Y10S430/114
    • A photosensitive composition comprising (A) a resin that is decomposed by the action of an acid to increase solubility in an alkali developing solution, (B) a compound that generates an acid upon irradiation of an actinic ray or radiation, and (C1) a compound having a molecular weight of 1,000 or less and containing an aliphatic ring and an aromatic ring, and a photosensitive composition comprising (A) a resin that is decomposed by the action of an acid to increase solubility in an alkali developing solution, (B) a compound that generates an acid upon irradiation of an actinic ray or radiation, and (C2) a resin containing a hydroxystyrene unit; and a pattern forming method using these photosensitive composition.
    • 一种感光性组合物,其包含(A)通过酸的作用而分解以增加在碱性显影液中的溶解度的树脂,(B)在光化射线或辐射照射时产生酸的化合物,和(C1) (A)通过酸的作用而分解的树脂以增加在碱性显影液中的溶解度的树脂,(B)分子量为1000以下的含有脂肪族环和芳香环的化合物, 在光化射线或辐射照射时产生酸的化合物,和(C2)含有羟基苯乙烯单元的树脂; 以及使用这些感光性组合物的图案形成方法。
    • 6. 发明授权
    • Positive photosensitive composition
    • 正光敏组合物
    • US5824451A
    • 1998-10-20
    • US497795
    • 1995-07-03
    • Toshiaki AoaiTsukasa Yamanaka
    • Toshiaki AoaiTsukasa Yamanaka
    • G03F7/004
    • G03F7/0045Y10S430/106
    • A positive photosensitive composition comprising (a)a resin soluble in an aqueous alkali solution containing a specific structure unit; (b) a compound which generates an acid with irradiation of an active ray or radiation; and (c) a low molecular weight acid-decomposable dissolution inhibitor having a molecular weight of not more than 3000, which possesses a tertiary alkyl ester group and whose solubility in an aqueous alkali solution is increased by the action of an acid; wherein compound (c) is a compound having at least two tertiary alkyl ester groups, in which the longest distance with respect to the distance between two tertiary ester groups selected arbitrarily comprises at least 10 bonding atoms except for the atoms contained in the ester groups or a compound having at least three tertiary alkyl ester groups, in which the longest distance with respect to the distance between two tertiary ester groups selected arbitrarily comprises at least 9 bonding atoms except for the atoms contained in the ester groups. The positive photosensitive composition has a high sensitivity, high resolution and good profile and excels in storage stability and heat resistance of the resist solution.
    • 一种正型感光性组合物,其包含(a)可溶于含有特定结构单元的碱性水溶液中的树脂; (b)通过活性射线或辐射的照射产生酸的化合物; 和(c)分子量不大于3000的低分子量可酸分解溶解抑制剂,其具有叔烷基酯基,并且其在碱性水溶液中的溶解度通过酸的作用而增加; 其中化合物(c)是具有至少两个叔烷基酯基团的化合物,其中相对于任选地选择的两个叔酯基团之间的距离最长的距离包含至少10个键合原子,除了酯基团中包含的原子,或 具有至少三个叔烷基酯基的化合物,其中相对于任意选择的两个叔酯基团之间的距离最长的距离包含除了酯基中包含的原子以外的至少9个键合原子。 正型感光性组合物具有高灵敏度,高分辨率和良好的轮廓,并且抗蚀剂溶液的储存稳定性和耐热性优异。
    • 10. 发明授权
    • Positive photosensitive composition
    • 正光敏组合物
    • US06200729B1
    • 2001-03-13
    • US09422344
    • 1999-10-21
    • Toshiaki AoaiKunihiko KodamaKazuya UenishiTsukasa Yamanaka
    • Toshiaki AoaiKunihiko KodamaKazuya UenishiTsukasa Yamanaka
    • G03F7004
    • G03F7/039G03F7/0045Y10S430/115Y10S430/122
    • Provided is a positive photosensitive composition which has high photosensitivity, is capable of giving an excellent resist pattern, and changes little with time after exposure. The positive photosensitive composition comprises (1) a resin having group(s) capable of decomposing by the action of an acid to enhance solubility of the resin in an alkaline developing solution and (2) a compound represented by formula (I), (II) or (III) which is capable of generating a sulfonic acid upon irradiation with actinic rays or a radiation: wherein R1 to R5 and R7 to R10 each represents a hydrogen atom, an alkyl group, a cycloalkyl group, an alkoxy group, a hydroxy group, a halogen atom, or a group represented by —S—R6, where R6 represents an alkyl group or an aryl group; X− represents the anion of a benzenesulfonic, naphthalenesulfonic, or anthracenesulfonic acid as deifined in the specification; and m, n, p and q each represents an integer of 1 to 3.
    • 提供了具有高光敏性的正光敏组合物,能够赋予优异的抗蚀剂图案,并且在曝光后随时间变化很小。 正型感光性组合物包含(1)具有能够通过酸分解的基团的树脂,以提高树脂在碱性显影液中的溶解度,(2)由式(I)表示的化合物,(II )或(III),其能够在用光化射线或辐射照射时产生磺酸:其中R 1至R 5和R 7至R 10各自表示氢原子,烷基,环烷基,烷氧基,羟基 基团,卤素原子或-S-R6表示的基团,其中R6表示烷基或芳基; X-表示说明书中所述的苯磺酸,萘磺酸或蒽磺酸的阴离子; m,n,p和q各自表示1〜3的整数。