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    • 71. 发明申请
    • METHOD FOR ETCHING EUV MATERIAL LAYERS UTILIZED TO FORM A PHOTOMASK
    • 用于蚀刻用于形成光电子的EUV材料层的方法
    • WO2014085037A1
    • 2014-06-05
    • PCT/US2013/068462
    • 2013-11-05
    • APPLIED MATERIALS, INC.
    • YU, KevenCHANDRACHOOD, MadhaviSABHARWAL, AmitabhKUMAR, Ajay
    • H01L21/3065H01L21/027
    • G03F1/00G03F1/22G03F1/80
    • A method and apparatus for etching photomasks are provided herein. In one embodiment, a method of etching an ARC layer or an absorber layer disposed on a photomask includes transferring a film stack into an etching chamber, the film stack having an ARC layer or an absorber layer partially exposed through a patterned layer, providing a gas mixture including at least one fluorine containing gas in to a processing chamber, applying a source RF power to form a plasma from the gas mixture, applying a first type of RF bias power to the substrate for a first period of time, applying a second type of RF bias power away from the substrate for a second period of time, and etching the ARC layer or the absorber layer through the patterned layer in the presence of the plasma.
    • 本文提供了蚀刻光掩模的方法和设备。 在一个实施例中,蚀刻设置在光掩模上的ARC层或吸收层的方法包括将膜堆叠转移到蚀刻室中,该膜堆具有通过图案化层局部暴露的ARC层或吸收层,提供气体 将包含至少一种含氟气体的混合物加入到处理室中,施加源RF功率以从气体混合物形成等离子体,将第一类型的RF偏置功率施加到衬底上第一时间段,施加第二类型 的RF偏置功率远离衬底持续第二段时间,并且在存在等离子体的情况下通过图案化层蚀刻ARC层或吸收层。
    • 76. 发明申请
    • HARDCOAT COMPOSITIONS
    • HARDCOAT组合物
    • WO2013059286A1
    • 2013-04-25
    • PCT/US2012/060569
    • 2012-10-17
    • 3M INNOVATIVE PROPERTIES COMPANYQIU, Zai-Ming
    • QIU, Zai-Ming
    • C08G77/16C09D183/06
    • G03F1/00C08G77/16C09D183/06
    • A hardcoat composition comprises (a) an epoxy silane compound, (b) a reactive silicone additive and (c) photo-acid generator. The reactive silicone additive has one of the following general structures:formula (I) or X-SiR 1 R 2 -(O-SiR 1 R 2 )n-X (Formula 2) wherein: R 1 , R 2 , and R 3 are independently a C1-C6 alkyl group or aromatic group with or without substitution; X is a curable group selected from -OH, -OR, -OC(0)R, -OSiY^Y3, -CHzCHrL-SiYVY3, and -C(O)(R) 3 , wherein: L is a divalent linkage group; Y 1 , Y 2 , and Y 3 are independently selected from a C1-C6 alkyl group, and a curable group selected from -OH, -OC(O)R, and -OR, with the proviso that at least one of Y 1 , Y 2 , and Y 3 is a curable group; R is a C1-C4 alkyl group; and n is at least 2 and m is at least 1, provided that the weight average molecular weight (M w ) of the reactive silicone additive is no more than 4200.
    • 硬涂层组合物包含(a)环氧硅烷化合物,(b)反应性硅氧烷添加剂和(c)光酸发生剂。 反应性硅氧烷添加剂具有以下一般结构之一:式(I)或X-SiR1R2-(O-SiR1R2)nX(式2)其中:R1,R2和R3独立地为C1-C6烷基或芳族基团 有或没有替代; X是选自-OH,-OR,-OC(O)R,-OSiY 3 Y 3,-CHCHrL-SiYVY 3和-C(O)(R)3的可固化基团,其中:L是二价连接基团; Y 1,Y 2和Y 3独立地选自C 1 -C 6烷基和选自-OH,-OC(O)R和-OR的可固化基团,条件是Y 1,Y 2和 Y3是可固化基团; R是C1-C4烷基; 并且n为至少2,m为至少1,条件是反应性硅氧烷添加剂的重均分子量(Mw)不大于4200。
    • 77. 发明申请
    • PLASMONIC LITHOGRAPHY USING PHASE MASK
    • 使用相位掩模的PLASMONIC LITHOGRAPHY
    • WO2013049367A2
    • 2013-04-04
    • PCT/US2012/057590
    • 2012-09-27
    • ROLITH, INC.
    • KOBRIN, BorisBRONGERSMA, MarkBARBARD, Edward
    • H01L21/306
    • G03F7/20G03F1/00G03F1/26G03F1/50G03F7/0035G03F7/70283
    • In the proposed plasmonic nanolithography technique a transparent mask is brought into physical contact with a metal on a substrate that is coated with a photoresist. The mask is not made of metal or other material that supports surface plasmons. The metal layer is exposed to radiation of a characteristic vacuum wavelength through the mask and the photoresist or through the substrate. The mask features and the vacuum wavelength of the radiation are chosen so that the radiation excites surface plasmons at the interface between the metal and the photoresist. The excitation of surface plasmons allows for the exposure and generation of features which are well-below the free space diffraction limit and small compared to the size of the features in the mask.
    • 在所提出的等离子体激光纳米光刻技术中,透明掩模与涂覆有光致抗蚀剂的基底上的金属物理接触。 掩模不是由支撑表面等离子体的金属或其他材料制成。 金属层通过掩模和光致抗蚀剂或通过基底暴露于特征真空波长的辐射。 选择掩模特征和辐射的真空波长,使得辐射在金属和光致抗蚀剂之间的界面处激发表面等离子体激元。 表面等离子体激元的激发允许暴露和产生远低于自由空间衍射极限的特征,并且与掩模中特征的尺寸相比较小。
    • 78. 发明申请
    • MASK FOR NEAR-FIELD LITHOGRAPHY AND FABRICATION THE SAME
    • 用于近场光刻和掩模制作的掩模
    • WO2012027050A3
    • 2012-06-07
    • PCT/US2011045197
    • 2011-07-25
    • ROLITH INCKOBRIN BORIS
    • KOBRIN BORIS
    • G03F1/00G03F1/92
    • G03F1/00B82Y10/00B82Y40/00G03F1/92G03F7/0002G03F7/24
    • Methods for fabricating nanopatterned cylindrical photomasks are disclosed. A master pattern having features ranging in size from about 1 nanometer to about 100 microns may be formed on a master substrate. A layer of an elastomer material may be formed on a surface of a transparent cylinder. The master pattern may be transferred from the master to the layer of elastomer material on the surface of the transparent cylinder. Alternatively, a nanopatterned cylindrical photomask may be fabricated by forming a pattern having nanometer scale features on an elastomer substrate and laminating the patterned elastomer substrate to a surface of a cylinder. In another method, a layer of elastomer material may be formed on a surface of a transparent cylinder and a pattern having nanometer scale features may be formed on the elastomer material by a direct patterning process.
    • 公开了用于制造纳米图案化的圆柱形光掩模的方法。 具有大小从大约1纳米到大约100微米的特征的主图案可以形成在主基底上。 一层弹性体材料可以形成在透明圆柱体的表面上。 主图案可以从主模转移到透明圆筒表面上的弹性体材料层。 或者,可以通过在弹性体基底上形成具有纳米级特征的图案并将图案化的弹性体基底层压到圆柱体的表面来制造纳米图案化的圆柱形光掩模。 在另一种方法中,可以在透明圆柱体的表面上形成一层弹性体材料,并且可以通过直接图案化工艺在弹性体材料上形成具有纳米级特征的图案。
    • 80. 发明申请
    • DETERMINING CRITICAL DIMENSION AND OVERLAY VARIATIONS OF INTEGRATED CIRCUIT FIELDS
    • 确定集成电路领域的关键尺寸和覆盖变化
    • WO2010086068A3
    • 2010-09-23
    • PCT/EP2009067348
    • 2009-12-16
    • IBMIBM UKMORILLO JAIMEYERDON ROGERAUSSCHNITT CHRISTOPHERRANKIN JED HICKORY
    • MORILLO JAIMEYERDON ROGERAUSSCHNITT CHRISTOPHERRANKIN JED HICKORY
    • G03F7/20
    • G03F7/70683G03F1/00G03F1/14G03F1/144G03F1/42G03F1/68G03F7/70625G03F7/70633
    • A method for mask-to-wafer correlation among multiple masking levels of a semiconductor manufacturing process. The method includes creating compact targets containing structure patterns suitable for pattern placement, critical dimension and overlay measurement at a set of common locations on two or more patterning layers, and creating at least two masks containing functional circuit structure patterns and the compact targets at locations between functional circuit structure patterns. The method then includes measuring the targets, determining overlay variation between the masks, exposing and creating with one mask a first lithographic processing layer on a wafer, and exposing and creating with another mask a second lithographic processing layer on the wafer, over the first layer. The method further includes measuring the targets on the wafer at one or more of the layers, and correlating the mask and wafer measurements to distinguish mask and lithography induced components of critical dimension and overlay variation.
    • 一种用于半导体制造工艺的多个屏蔽电平之间的掩模到晶片相关的方法。 该方法包括创建紧凑的目标,其包含适合于在两个或多个图案化层上的一组公共位置处的图案放置,临界尺寸和覆盖测量的结构图案,以及创建包含功能电路结构图案的至少两个掩模,以及在 功能电路结构模式。 该方法然后包括测量目标,确定掩模之间的覆盖变化,用一个掩模曝光和创建晶片上的第一平版印刷处理层,以及在第一层上在另一掩模上曝光和创建晶片上的第二光刻处理层 。 该方法还包括在一个或多个层处测量晶片上的目标,并且将掩模和晶片测量值相关联以区分临界尺寸和覆盖变化的掩模和光刻引起的分量。