公开(公告)号：US20140245948A1

公开(公告)日：2014-09-04

申请号：US14345891

申请日：2012-10-02

Applicant: ASML Netherlands B.V.

Inventor： Thanh Trung Nguyen ,  Jozef Maria Finders ,  Wilhelmus Sebastianus Marcus Maria Ketelaars ,  Sander Frederik Wuister ,  Eddy Cornelis Antonius Van Der Heijden ,  Hieronymus Johannus Christiaan Meessen ,  Roelof Koole ,  Emiel Peeters ,  Christianus Martinus Van Heesch ,  Aurelie Marie Andree Brizard ,  Henri Marie Joseph Boots ,  Tamara Druzhinina ,  Jessica Marggaretha De Ruiter

IPC: C30B1/12

CPC classification number: C30B1/12 ,  B81C1/00031 ,  B81C2201/0149 ,  B82Y30/00 ,  G03F7/0002 ,  H01L21/0337 ,  Y10T117/10

Abstract: A graphoepitaxy template to align a self-assembled block polymer adapted to self-assemble into a 2-D array having parallel rows of discontinuous first domains extending parallel to a first axis, mutually spaced along an orthogonal second axis, and separated by a continuous second domain. The graphoepitaxy template has first and second substantially parallel side walls extending parallel to and defining the first axis and mutually spaced along the second axis to provide a compartment to hold at least one row of discontinuous first domains of the self-assembled block copolymer on the substrate between and parallel to the side walls, and separated therefrom by a continuous second domain. The compartment has a graphoepitaxial nucleation feature arranged to locate at least one of the discontinuous first domains at a specific position within the compartment. Methods for forming the graphoepitaxy template and its use for device lithography are also disclosed.

Abstract translation: 用于使自组装嵌段聚合物对准以将其自组装成具有平行于第一轴延伸的不连续第一域的平行排的二维阵列，并且沿着正交的第二轴互相间隔并由连续的第二轴 域。 所述方解石模板具有第一和第二基本上平行的侧壁，所述第一和第二基本平行的侧壁平行于并限定第一轴线并且限定第一轴线并且沿着第二轴线相互间隔延伸，以提供隔室，以将自组装嵌段共聚物的至少一排不连续的第一区域保持在基板上 在侧壁之间并平行于侧壁，并通过连续的第二结构域与之隔开。 隔室具有图案外延成核特征，布置成将隔离物内的特定位置处的不连续的第一结构域中的至少一个定位。 还公开了用于形成图案石墨模板的方法及其用于器件光刻的方法。

公开(公告)号：US10551736B2

公开(公告)日：2020-02-04

申请号：US14419212

申请日：2013-07-26

Applicant: ASML Netherlands B.V.

Inventor： Jozef Maria Finders ,  Tamara Druzhinina ,  Emiel Peeters ,  Sander Frederik Wuister ,  Christianus Martinus Van Heesch ,  Eddy Cornelis Antonius Van Der Heijden ,  Henri Marie Joseph Boots

IPC: G06F17/50 ,  G03F7/00

Abstract: A method of designing an epitaxy template to direct self-assembly of a block copolymer on a substrate into an ordered target pattern involves providing a primary epitaxy template design and then varying the design to optimize a pattern fidelity statistic, such as placement error, relative to the target pattern by modelling predicted self-assembled block copolymer patterns and optimizing pattern placement as a function of a varied design parameter. In addition to varying a design parameter to optimize the pattern fidelity statistic, a random error in the template design is included prior to modelling predicted patterns in order to compensate for expected template inaccuracy in practice. The inclusion of a realistic random error in the template design, in addition to systematic variation of a design parameter, may improve the template design optimization to render the result less sensitive to error which may be inevitable in practice.

公开(公告)号：US20150205197A1

公开(公告)日：2015-07-23

申请号：US14419212

申请日：2013-07-26

Applicant: ASML NETHERLANDS B.V.

Inventor： Jozef Maria Finders ,  Tamara Druzhinina ,  Emiel Peeters ,  Sander Frederik Wuister ,  Christianus Martinus Van Heesch ,  Eddy Cornelis Antonius Van Der Heijden ,  Henri Marie Joseph Boots

IPC: G03F7/00 ,  G06F17/50

Abstract: A method of designing an epitaxy template to direct self-assembly of a block copolymer on a substrate into an ordered target pattern involves providing a primary epitaxy template design and then varying the design to optimize a pattern fidelity statistic, such as placement error, relative to the target pattern by modelling predicted self-assembled block copolymer patterns and optimizing pattern placement as a function of a varied design parameter. In addition to varying a design parameter to optimize the pattern fidelity statistic, a random error in the template design is included prior to modelling predicted patterns in order to compensate for expected template inaccuracy in practice. The inclusion of a realistic random error in the template design, in addition to systematic variation of a design parameter, may improve the template design optimization to render the result less sensitive to error which may be inevitable in practice.

Abstract translation: 设计外延模板以将基底上的嵌段共聚物自组装成有序目标图案的方法包括提供初级外延模板设计，然后改变设计以优化图案保真度统计，例如放置误差，相对于 通过对预测的自组装嵌段共聚物图案进行模拟和优化作为不同设计参数的函数的图案放置来实现目标图案。 除了改变设计参数以优化模式保真度统计量之外，在模拟预测模式之前还包括模板设计中的随机误差，以便在实践中补偿预期的模板不准确性。 除了设计参数的系统变化之外，在模板设计中包括一个现实的随机误差，可以改进模板设计优化，使得结果对于在实践中可能是不可避免的误差较不敏感。