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    • 103. 发明授权
    • Fabrication method with energy beam
    • 能量束的制作方法
    • US5868952A
    • 1999-02-09
    • US617376
    • 1996-03-18
    • Masahiro HatakeyamaKatsunori IchikiTakao KatoYotaro HatamuraMasayuki Nakao
    • Masahiro HatakeyamaKatsunori IchikiTakao KatoYotaro HatamuraMasayuki Nakao
    • G03F1/00G03F1/20G03F7/00G03F7/20H01J9/02H01L21/033H01L21/308B44C1/22
    • H01L21/3086G03F7/00G03F7/001G03F7/2065G03F7/70358H01J9/025H01L21/0331H01L21/0337H01J2209/0223
    • Three-dimensional ultra-fine micro-fabricated structures of the order of .mu.m and less are produced for use in advanced optical communication systems and quantum effect devices. The basic components are an energy beam source, a mask member and a specimen stage. Because the mask member is an independent component, various combinations of relative movements of the mask member with respect to the beam axis and/or workpiece can be made with high precision to produce curved or slanted surfaces on a workpiece, thereby producing a multiple lines or arrays of convex or concave micro-lenses. Other examples of fine-structures include deposition of thin films in a multiple line pattern or in an array pattern. Because of the flexibility of fabrication method and material of fabrication, labyrinth seals having curved surfaces with grooved structures can be used as friction reduction means for bearing components. Fine groove dimensions of the order of nm are possible. Energy beams can be any of fast atomic beams, ion beams, electron beam, laser beams, radiation beams, X-ray beams and radical particle beams. Parallel beams are often used, but when a focused beam is used, a technique of reduced projection imaging can be utilized to produce a fine-structure of the order of nm.
    • 产生了数量级小于等于30的数量级的三维超细微结构,用于先进的光通信系统和量子效应器件。 基本部件是能量束源,掩模构件和样品台。 由于掩模构件是独立的部件,所以可以高精度地制造掩模构件相对于射束轴线和/或工件的相对运动的各种组合,以在工件上产生弯曲或倾斜的表面,从而产生多条线或 阵列的凸或微型微透镜。 精细结构的其他实例包括以多线图案或阵列图案沉积薄膜。 由于制造方法和制造材料的灵活性,具有带槽结构的曲面的迷宫式密封件可用作轴承部件的摩擦减小装置。 可以使nm的数量级的细槽尺寸。 能量束可以是快速原子束,离子束,电子束,激光束,辐射束,X射线束和自由基粒子束中的任何一种。 通常使用平行光束,但是当使用聚焦光束时,可以利用降低投影成像的技术来产生大约数量级的精细结构。
    • 106. 发明授权
    • Method and apparatus for charged particle beam inspection
    • 带电粒子束检查的方法和装置
    • US08368018B2
    • 2013-02-05
    • US12506475
    • 2009-07-21
    • Masahiro HatakeyamaTakumi Ota
    • Masahiro HatakeyamaTakumi Ota
    • G01N23/00
    • H01J37/26G03F1/86H01J2237/0047H01J2237/2817H01L21/67213H01L22/12
    • A charged particle beam inspection apparatus comprises: an electron gun for irradiating an electron beam onto a sample; a detector for detecting a signal obtained from the sample; an image processor for forming an image from the signal obtained from the detector, and an energy controller for controlling the beam energy of the electron beam to be irradiated onto the sample. An identical charged particle beam inspection apparatus carries out a plurality of types of inspections. An inspection apparatus of a projection type may be applied thereto. A pattern defect inspection, a foreign material inspection, and an inspection for a defect in a multilayer are carried out. Beam energies E1, E2, and E3 in those inspections have a relation E1>E2 and E3>E2. Charge removal is performed in a transport chamber or other vacuum chamber before an inspection.
    • 带电粒子束检查装置包括:用于将电子束照射到样品上的电子枪; 用于检测从样品获得的信号的检测器; 用于根据从检测器获得的信号形成图像的图像处理器,以及用于控制待照射到样品上的电子束的束能量的能量控制器。 相同的带电粒子束检查装置执行多种类型的检查。 可以对投影型的检查装置施加。 进行图案缺陷检查,异物检查和多层的缺陷检查。 这些检查中的能量E1,E2和E3具有E1> E2和E3> E2的关系。 在检查之前,在运输室或其他真空室中进行除电。
    • 107. 发明授权
    • Substrate surface inspection method and inspection apparatus
    • 基板表面检查方法和检查装置
    • US08274047B2
    • 2012-09-25
    • US12537414
    • 2009-08-07
    • Yoshihiko NaitoNorio KimuraKenji TeraoMasahiro HatakeyamaMasamitsu Itoh
    • Yoshihiko NaitoNorio KimuraKenji TeraoMasahiro HatakeyamaMasamitsu Itoh
    • G01N23/00
    • G01N23/203G01N2223/652
    • A substrate surface inspection method inspects for a defect on a substrate including a plurality of materials on a surface thereof. The inspection method comprises: irradiating the surface of the substrate with an electron beam, a landing energy of the electron beam set such that a contrast between at least two types of materials of the plurality of materials is within a predetermined range; detecting electrons generated by the substrate to acquire a surface image of the substrate, with a pattern formed thereon from the at least two types of materials eliminated or weakened; and detecting the defect from the acquired surface image by detecting as the defect an object image having a contrast by which the object image can be distinguished from a background image in the surface image. Defects present on the substrate surface can be detected easily and precisely by using a cell inspection.
    • 基板表面检查方法检查在其表面上包括多种材料的基板上的缺陷。 检查方法包括:用电子束照射基板的表面,电子束的着陆能量设定为使得多种材料中的至少两种类型的材料之间的对比度在预定范围内; 检测由所述基板产生的电子以获得所述基板的表面图像,其中从所述至少两种类型的材料形成在其上的图案被消除或削弱; 并且通过将所述对象图像与所述表面图像中的背景图像区分开来的对比度检测作为缺陷来检测来自所获取的表面图像的缺陷。 通过使用细胞检查,可以容易且准确地检测出存在于基板表面上的缺陷。