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    • 3. 发明专利
    • Method of forming pattern
    • 形成图案的方法
    • JP2013073974A
    • 2013-04-22
    • JP2011209918
    • 2011-09-26
    • Toshiba Corp株式会社東芝
    • NAKAMURA HIROKOTANAKA SATOSHIMIKOSHIBA SATOSHIHIENO ATSUSHIHATTORI SHIGEKI
    • H01L21/027G03F7/20
    • G03F7/0002B82Y10/00B82Y40/00
    • PROBLEM TO BE SOLVED: To provide a method of forming a pattern which allows for a microphase separation pattern of fine block copolymer.SOLUTION: A method of forming a pattern includes: forming on a processing target film 11 a guide pattern that a first surface energy adjustment layer 12c and a second surface energy adjustment layer 12d having different surface energies are alternately arranged parallel to each other; forming a block copolymer layer 13 containing first and second block chains on the guide pattern; and orienting block polymer on the basis of the guide pattern by subjecting the block polymer to microphase separation. The first surface energy adjustment layer 12c has a surface energy substantially the same as the first block chain. The second surface energy adjustment layer 12d has a surface energy substantially the same as the second block chain. The period of the guide pattern is an integral multiple of three or more of the cycle of the block polymer. The width of each of the first surface energy adjustment layer 12c and the second surface energy adjustment layer 12d is an odd number multiple of three or more of the half period of the block copolymer.
    • 要解决的问题:提供一种形成允许微细嵌段共聚物的微相分离图案的图案的方法。 解决方案:形成图案的方法包括:在处理目标薄膜11上形成具有不同表面能的第一表面能量调节层12c和第二表面能量调节层12d彼此平行的引导图案 ; 在引导图案上形成含有第一和第二嵌段链的嵌段共聚物层13; 并且通过使嵌段聚合物进行微相分离,基于引导图案取向嵌段聚合物。 第一表面能量调节层12c具有与第一块链基本相同的表面能。 第二表面能量调节层12d具有与第二块链基本相同的表面能。 引导图案的周期是嵌段聚合物的三个或更多个周期的整数倍。 第一表面能量调整层12c和第二表面能量调整层12d的宽度是嵌段共聚物的半周期的三倍以上的奇数倍。 版权所有(C)2013,JPO&INPIT
    • 5. 发明专利
    • Photosensitive composition and pattern forming method using the same
    • 使用它的光敏组合物和图案形成方法
    • JP2008076850A
    • 2008-04-03
    • JP2006257290
    • 2006-09-22
    • Toshiba Corp株式会社東芝
    • HATTORI SHIGEKISAITO SATOSHI
    • G03F7/039H01L21/027
    • PROBLEM TO BE SOLVED: To provide a photosensitive composition conforming to a request of forming a finer pattern, improving resolution and solving problems such as edge roughness, and to provide a pattern forming method using the composition. SOLUTION: The photosensitive composition contains a compound having a truxene skeleton expressed by general formula (I) and a photoacid generator that generates an acid by the effect of UV rays or ionization radiation. In formula (I), each of X and R represents a monovalent organic group selected from a group composed of hydrogen, substituted or unsubstituted alkyl groups, substituted or unsubstituted alkoxy groups and substituted or unsubstituted aromatic groups, and X and R can be identical or different from each other; and each of l, m, n represents an integer of 1 to 4. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种符合形成更精细图案的要求的光敏组合物,提高分辨率和解决诸如边缘粗糙度的问题,并提供使用该组合物的图案形成方法。 光敏组合物含有具有由通式(I)表示的三堇骨架的化合物和通过紫外线或电离辐射产生酸的光酸产生剂。 在式(I)中,X和R各自表示选自由氢,取代或未取代的烷基,取代或未取代的烷氧基和取代或未取代的芳基组成的组的一价有机基团,X和R可以相同或相同, 彼此不同; 并且每个m,n表示1〜4的整数。版权所有(C)2008,JPO&INPIT
    • 6. 发明专利
    • Pattern formation method
    • 模式形成方法
    • JP2013072896A
    • 2013-04-22
    • JP2011209850
    • 2011-09-26
    • Toshiba Corp株式会社東芝
    • HIENO ATSUSHIHATTORI SHIGEKINAKAMURA HIROKOMIKOSHIBA SATOSHIASAKAWA KOUJISUGANO MASAHIROKIYONO YURIKOAZUMA TSUKASA
    • G03F7/11G03F7/26G03F7/36H01L21/027
    • G03F7/40B32B7/04B32B2307/40B82Y30/00G03F7/0002G03F7/004G03F7/0751G03F7/0752G03F7/11G03F7/165G03F7/20
    • PROBLEM TO BE SOLVED: To provide a pattern formation method for easily controlling orientation of a block copolymer and forming a fine pattern in a shorter time by using microphase separation of the block copolymer.SOLUTION: A pattern formation method includes processes of: forming a heat crosslinkable molecular layer 12 by applying heat crosslinkable molecules onto a substrate 11; forming a photosensitive polymer layer 17 by applying photosensitive polymers onto the heat crosslinkable molecular layer 12; adhering the heat crosslinkable molecular layer 12 and the photosensitive polymer layer 17 by a crosslinking reaction caused by heating; forming a photosensitive polymer pattern having exposed parts and unexposed parts by selectively exposing the photosensitive polymer layer 17; and forming a block copolymer layer 14 including first and second block chains on the photosensitive polymer layer 17, performing micro-phase separation of the block copolymer layer, and forming a pattern of the first and second block chains on the basis of a surface energy of the polymer layer 13.
    • 解决问题的方法:通过使用嵌段共聚物的微相分离,提供容易控制嵌段共聚物取向并在较短时间内形成精细图案的图案形成方法。 解决方案:图案形成方法包括以下工艺:通过将热交联分子施加到基底11上而形成热交联分子层12; 通过将光敏聚合物涂覆在热交联性分子层12上形成光敏聚合物层17; 通过加热引起的交联反应使热交联性分子层12和感光性聚合物层17粘接; 通过选择性地曝光光敏聚合物层17,形成具有曝光部分和未曝光部分的光敏聚合物图案; 并在感光性聚合物层17上形成包含第一和第二嵌段链的嵌段共聚物层14,进行嵌段共聚物层的微相分离,基于第一和第二嵌段链的表面能形成第一和第二嵌段链的图案 聚合物层13.版权所有(C)2013,JPO&INPIT
    • 8. 发明专利
    • Exposure method and pattern formation method
    • 曝光方法和图案形成方法
    • JP2013201356A
    • 2013-10-03
    • JP2012069749
    • 2012-03-26
    • Toshiba Corp株式会社東芝
    • NAKAMURA HIROKOFUKUHARA KAZUYAHATTORI SHIGEKIHIENO ATSUSHIKIYONO YURIKOSUGANO MASAHIRO
    • H01L21/027G03F7/40
    • PROBLEM TO BE SOLVED: To provide a pattern formation method for forming a guide with high accuracy and obtaining a desired micro phase separation pattern.SOLUTION: A pattern formation method according to an embodiment comprises the steps of: irradiating a photo mask where a periodic pattern having openings whose centers are arranged so as to be capable of being described with a two-dimensional hexagonal lattice is formed, with illumination light; and performing exposure by projecting diffraction light from the photo mask on a substrate through a projection optical system. The illumination has first to third light emitting regions. The photo mask has a first opening and second to seventh openings whose center positions are at vertex positions of a regular hexagon whose center position is at the position of the first opening. A direction in which the illumination light enters the photo mask is on three planes determined by the first opening, the second, fourth, and sixth openings, and optical axis; and includes a direction inclined at an angle sin(2 λ/3 Pn) to the optical axis, where λ is a wavelength of the light, P is an on-substrate reduced value of an interval between the center of the first opening and the centers of the second to seventh openings, and n is a refraction index of a medium between the projection optical system and the substrate.
    • 要解决的问题:提供一种用于高精度地形成导向件并获得所需的微相分离图案的图案形成方法。解决方案:根据实施例的图案形成方法包括以下步骤:照射周期性图案 具有开口,其中心布置成能够用二维六边形格子描述;具有照明光; 并且通过投影光学系统将来自光掩模的衍射光投射到基板上来进行曝光。 照明具有第一至第三发光区域。 光掩模具有第一开口和第二至第七开口,其中心位置处于其中心位置处于第一开口位置的正六边形的顶点位置。 照明光进入光掩模的方向在由第一开口,第二,第四和第六开口以及光轴确定的三个平面上; 并且包括相对于光轴以角度sin(2λ/ 3Pn)倾斜的方向,其中λ是光的波长,P是第一开口的中心与第一开口之间的间隔的基板上的减小值 第二至第七开口的中心,n是投影光学系统和基板之间的介质的折射率。