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    • 1. 发明专利
    • Charged particle beam lithography system and target positioning device
    • 充电颗粒光束光刻系统和目标定位装置
    • JP2013038426A
    • 2013-02-21
    • JP2012181421
    • 2012-08-20
    • Mapper Lithography Ip Bvマッパー・リソグラフィー・アイピー・ビー.ブイ.
    • JERRY PEIJSTERGUIDO DE BOER
    • H01L21/027G03F7/20H01J37/20H01J37/305H01L21/68
    • H01J37/3174B82Y10/00B82Y40/00H01J37/20H01J37/26H01J2237/026H01J2237/202H01J2237/304
    • PROBLEM TO BE SOLVED: To provide a charged particle beam lithography system, and an operation method using a target positioning device optimized for charged particle beam exposure of a target.SOLUTION: A charged particle beam lithography system includes: a charged particle optical column 4 disposed in a vacuum chamber 50 for projecting a charged particle beam 2 on a target 3, and having deflection means for deflecting the charged particle beam 2 in a deflecting direction; and a target positioning device 5 having a carrier for holding a target 3, and a stage 52 for holding and moving the carrier along a first direction different from the deflecting direction. The target positioning device 5 has a first actuator 53 for moving the stage 52 in the first direction relative to the charged particle optical column 4. The carrier is disposed in the stage 52 in a movable manner. The target positioning device 5 has holding means for holding the carrier at a first relative position with respect to the stage 52.
    • 要解决的问题:提供带电粒子束光刻系统,以及使用针对目标的带电粒子束曝光优化的目标定位装置的操作方法。 带电粒子束光刻系统包括:带电粒子光学柱4,设置在真空室50中,用于将带电粒子束2投射在目标3上,并具有偏转装置,用于使带电粒子束2偏转在靶 偏转方向 以及具有用于保持目标3的载体的目标定位装置5和用于沿着与偏转方向不同的第一方向保持和移动载体的台52。 目标定位装置5具有第一致动器53,用于相对于带电粒子光学柱4在第一方向上移动平台52.载体以可移动的方式设置在平台52中。 目标定位装置5具有用于将载体保持在相对于载物台52的第一相对位置的保持装置。版权所有(C)2013,JPO&INPIT
    • 6. 发明专利
    • Projection lens structure
    • 投影镜头结构
    • JP2013140997A
    • 2013-07-18
    • JP2013024799
    • 2013-02-12
    • Mapper Lithography Ip Bvマッパー・リソグラフィー・アイピー・ビー.ブイ.
    • MARCO JAN JACO WIELANDALEXANDER HENDRIK VINCENT VAN VEEN
    • H01L21/027G03F7/20H01J37/147H01J37/305
    • H01J37/3177B82Y10/00B82Y40/00H01J37/3007H01J2237/0492H01J2237/10H01J2237/15
    • PROBLEM TO BE SOLVED: To provide a composite small beam charged particle lithography system in which a small limit dimensions are achieved, and a sufficient throughput of a wafer can be maintained.SOLUTION: The charged particle multiple small beam system for exposing a target by using a plurality of small beams includes at least one charged particle source 1 for generating a charged particle beam, an aperture array 4 defining individual small beams from a beam thus generated, a small beam manipulator for converging a group of small beams toward a common convergence point of each group, a small beam blanker 6 for blanking the small beam in the group of small beams controllably, and an array of a plurality of projection lens systems 10 for projecting a small beam not subjected to blanking in the group of small beams onto the surface of a target. The small beam manipulator converges each of the small beams in the group toward one corresponding point of these projection lens systems.
    • 要解决的问题:提供一种复合小束带电粒子光刻系统,其中实现了小的极限尺寸,并且可以保持足够的晶片生产能力。解决方案:用于通过使用暴露目标的带电粒子多小梁系统 多个小光束包括至少一个用于产生带电粒子束的带电粒子源1,从这样产生的束限定各个小光束的孔径阵列4,用于将一组小束朝向公共会聚点会聚的小光束操纵器 每个组中的一个小束消除器6,用于对可控小组的小束中的小束进行消隐;以及多个投影透镜系统10的阵列,用于将小波束组中未受到消隐​​的小光束投影到 目标的表面。 小束操纵器将组中的每个小束朝向这些投影透镜系统的一个对应点会聚。
    • 10. 发明专利
    • Dispenser cathode
    • 分配器CATHODE
    • JP2011040398A
    • 2011-02-24
    • JP2010196655
    • 2010-09-02
    • Mapper Lithography Ip Bvマッパー・リソグラフィー・アイピー・ビー.ブイ.
    • KRUIT PIETERSTEENBRINK STIJN WILLEM HERMAN KAREL
    • H01J1/28H01J37/06H01J37/305H01L21/027
    • H01J37/065B82Y10/00B82Y40/00H01J1/28H01J37/3177H01J2237/3175H01J2237/31754H01J2237/31774
    • PROBLEM TO BE SOLVED: To provide an electron source supplying a temporally and spatially uniform electron beam, and to provide an electron source having a small injection area. SOLUTION: The dispenser cathode has an injection surface 4; a reservoir 2 for a material emitting particles with a low work function, when heated; and at least one passage 7 for enabling diffusion of the particles with a low work function to the injection face 4 from the reservoir 2. The injection face 4 has at least one injection area 9, and at least one non-injection area 8 covered by a material suppressing injection and surrounding the injection area 9. The non-injection area 8 has the at least one passage 7, with the passage 7 connecting the reservoir 2 and the non-injection area 8, and it is extended away from the injection area 9 by a distance of the diffusion length for enabling diffusion of the particles with a low work function to the injection area 9 from the reservoir 2. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供提供时间和空间上均匀的电子束的电子源,并提供具有小注入面积的电子源。

      解决方案:分配器阴极具有注入表面4; 用于当加热时用于发射具有低功函数的颗粒的材料的储存器2; 以及至少一个通道7,用于使得能够将低功函数的颗粒从储存器2扩散到注射面4.注射面4具有至少一个注射区域9和至少一个非注射区域8, 抑制注入并围绕注射区域9的材料。非注射区域8具有至少一个通道7,通道7连接储存器2和非注射区域8,并且其延伸远离注射区域 9扩散长度的距离,使得能够将低功函数的颗粒扩散到来自储存器2的注入区域9.版权所有(C)2011,JPO&INPIT