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    • 4. 发明授权
    • Method for manufacturing semiconductor device
    • 制造半导体器件的方法
    • US06713403B2
    • 2004-03-30
    • US10384562
    • 2003-03-11
    • Junji OoharaKazuhiko KanoHiroshi Muto
    • Junji OoharaKazuhiko KanoHiroshi Muto
    • H01L2100
    • B81C1/0019B81C1/00579B81C1/00626B81C2201/0132G01P15/0802G01P15/125G01P2015/0814
    • A method for manufacturing a semiconductor device having a movable unit includes a step of forming an SOI substrate that includes a semiconductor substrate, an insulating layer, and a semiconductor layer. The method further includes a step of dry etching the semiconductor layer to form a trench and a step of dry etching a sidewall defining the trench at a portion adjacent to a bottom of the trench to form the movable unit. The later dry etching is implemented with a charge building up on a surface of the insulating layer that is exposed during the former dry etching to etch the portion. In addition, the later dry etching is implemented at an etching rate higher than that at which the former dry etching is implemented to reduce the deposition amount of a protection film deposited on a reverse side of the movable unit during the later dry etching.
    • 一种制造具有可移动单元的半导体器件的方法包括形成包括半导体衬底,绝缘层和半导体层的SOI衬底的步骤。 该方法还包括干法蚀刻半导体层以形成沟槽的步骤,以及在邻近沟槽底部的部分干蚀刻限定沟槽的侧壁以形成可移动单元的步骤。 稍后的干蚀刻通过在前一次干蚀刻中暴露的绝缘层的表面上积累的电荷来实现,以蚀刻该部分。 此外,稍后的干蚀刻以比实施前述干蚀刻的蚀刻速率更高的蚀刻速率来实现,以减少在稍后的干蚀刻期间沉积在可移动单元的反面上的保护膜的沉积量。
    • 10. 发明申请
    • Optical device and method for manufacturing the same
    • 光学装置及其制造方法
    • US20070251915A1
    • 2007-11-01
    • US11783434
    • 2007-04-10
    • Junji OoharaHisaya KatohToshiyuki MorishitaYukihiro Takeuchi
    • Junji OoharaHisaya KatohToshiyuki MorishitaYukihiro Takeuchi
    • B29D11/00
    • G02B3/06G02B6/124G03F7/0005
    • A method of manufacturing an optical device includes: a first step of forming an optical-device forming body that includes a plurality of columnar structures arranged in an arrangement direction on a substrate surface via a trench and an outline structure connected to and containing therein the plurality of columnar structures; a second step of oxidizing the optical-device forming body from a state where the optical-device forming body starts to be oxidized to a state where the columnar structure is oxidized; and a third step in which an unoxidized residual part of the outline structure in the second step is oxidized after the second step so as to form an oxidized body. Furthermore, the third step includes restraining the outline structure from being deformed with respect to at least the arrangement direction of the columnar structures in the third step.
    • 一种制造光学器件的方法包括:第一步骤,形成光学器件形成体,该光学器件形成体包括通过沟槽在衬底表面上沿排列方向布置的多个柱状结构,以及轮廓结构,其连接到并包含多个 的柱状结构; 从光学装置形成体开始氧化到柱状结构被氧化的状态的氧化光学元件形成体的第二工序; 以及第三步骤,其中第二步骤中的轮廓结构的未氧化残余部分在第二步骤之后被氧化以形成氧化体。 此外,第三步骤包括在第三步骤中限制轮廓结构相对于至少柱状结构的排列方向变形。