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    • 21. 发明授权
    • Positive resist fluid and positive resist composition
    • 正抗蚀液和正光刻胶组成
    • US06420082B1
    • 2002-07-16
    • US09438789
    • 1999-11-12
    • Kenichiro SatoKunihiko KodamaToshiaki Aoai
    • Kenichiro SatoKunihiko KodamaToshiaki Aoai
    • G03F7039
    • G03F7/0392G03F7/0397Y10S430/107Y10S430/111
    • The present invention provides a positive resist fluid excellent in the storage stability of the fluid and in defocus latitude depended on line pitch, and a positive photoresist composition for far ultraviolet exposure which forms a resist pattern having excellent defocus latitude depended on line pitch and has excellent sensitivity to short-wavelength exposure lights. The positive resist fluid comprises a resin which contains repeating units represented by formula (I) as defined in the specification, a photo-acid generator, and a solvent and the positive photoresist composition for far ultraviolet exposure comprises a resin which contains both alkali-soluble groups protected by groups containing an alicyclic hydrocarbon structure and represented by at least one of formulae (pI) to (pVI) and groups represented by formula (qI): —A—X—R5 as defined in the specification.
    • 本发明提供一种在流体的保存稳定性和取决于线间距的散焦纬度方面优异的正性抗蚀剂流体和用于远紫外线曝光的正性光致抗蚀剂组合物,其形成具有优异的散焦纬度的抗蚀图案,其依赖于线间距,并且具有优异的 对短波长曝光灯的敏感度。 正型抗蚀剂流体包括含有本说明书中定义的式(I)表示的重复单元的树脂,光酸产生剂和溶剂,并且用于远紫外线照射的正性光致抗蚀剂组合物包含含有碱溶性的树脂 由含有脂环族烃结构的基团保护并且由式(pI)至(pVI)中的至少一个表示的基团和由式(qI)表示的基团保护的基团:如说明书中所定义。
    • 24. 发明授权
    • Positive-working photoresist composition
    • 正光刻胶组合物
    • US06596458B1
    • 2003-07-22
    • US09563436
    • 2000-05-03
    • Kenichiro SatoKunihiko KodamaToshiaki AoaiYasumasa Kawabe
    • Kenichiro SatoKunihiko KodamaToshiaki AoaiYasumasa Kawabe
    • G03F7039
    • G03F7/0397G03F7/0045Y10S430/111
    • Disclosed is a positive-working photoresist composition having reduced development defects, and excellent in resist pattern profiles and in the resolving power of contact holes, which comprises (i) a compound generating an acid by irradiation of active light or radiation, and (ii) a resin containing repeating units of at least one kind selected from the group consisting of (a) repeating units having alkali-soluble groups each protected with at least one group selected from the group consisting of groups containing alicyclic hydrocarbon structures represented by specific general formulas (pI) to (pVI), (b) repeating units represented by specific general formula (II) and (c) repeating units represented by specific general formulas (III-a) to (III-d), and decomposed by the action of an acid to increase the solubility of the resin into an alkali.
    • 公开了具有减少的显影缺陷,抗蚀剂图案轮廓和接触孔分辨能力优异的正性光致抗蚀剂组合物,其包括(i)通过活性光或辐射的照射产生酸的化合物,和(ii) 含有重复单元的树脂,所述重复单元选自(a)具有碱溶性基团的重复单元,各自被至少一个选自由特定通式表示的脂环族烃结构的基团所选择的基团保护的基团 pI)至(pVI),(b)由特定通式(II)表示的重复单元和(c)由特定通式(III-a)至(III-d)表示的重复单元,并通过 酸以增加树脂在碱中的溶解度。
    • 26. 发明授权
    • Positive working photoresist composition
    • 正工作光致抗蚀剂组成
    • US06506535B1
    • 2003-01-14
    • US09698221
    • 2000-10-30
    • Kazuyoshi MizutaniKenichiro SatoKunihiko Kodama
    • Kazuyoshi MizutaniKenichiro SatoKunihiko Kodama
    • G03C172
    • G03F7/0758G03F7/0045G03F7/0395G03F7/0397Y10S430/106
    • Disclosed is a positive working photoresist composition comprising an acid-decomposable polymer containing at least a repeating unit represented by the following formula (I) and at least either one repeating unit represented by the following formula (IIa) or (IIb), and also disclosed is a positive working photoresist composition comprising (A) a compound capable of generating an acid upon irradiation with actinic rays or radiation, (B) an acid-decomposable polymer containing at least a repeating unit represented by the following formula (I) and at least either one repeating unit represented by the following formula (IIa) or (IIb), (C) at least one solvent capable of dissolving the components (A) and (B), (D) an organic basic compound and (E) at least one surfactant selected from fluorine-containing surfactants, silicon-containing surfactants and nonionic surfactants:
    • 公开了一种正性光致抗蚀剂组合物,其包含至少含有由下式(I)表示的重复单元和至少一种由下式(IIa)或(IIb)表示的重复单元的酸可分解聚合物,并且还公开 是一种正性光致抗蚀剂组合物,其包含(A)在用光化射线或辐射照射时能够产生酸的化合物,(B)至少含有由下式(I)表示的重复单元的酸可分解聚合物和至少 由下式(IIa)或(IIb)表示的一个重复单元,(C)至少一种能够溶解组分(A)和(B)的溶剂,(D)有机碱性化合物和(E) 一种选自含氟表面活性剂,含硅表面活性剂和非离子表面活性剂的表面活性剂: