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    • 121. 发明授权
    • Method of manufacturing liquid crystal display panel by poly-crystallizing amorphous silicon film using both a laser and lamp lights
    • 通过使用激光和灯光来使多晶非晶硅膜制造液晶显示面板的方法
    • US06432757B1
    • 2002-08-13
    • US09639418
    • 2000-08-14
    • Takashi NoguchiSetsuo Usui
    • Takashi NoguchiSetsuo Usui
    • H01L2100
    • H01L21/02667H01L21/02532H01L21/02686H01L21/2022H01L21/2026H01L21/67115H01L27/1214H01L27/1222H01L27/1274H01L27/1296
    • Provided is a method of manufacturing a monolithic liquid crystal display panel with a large area and high-image quality. A protecting film and an amorphous silicon film are sequentially formed on an insulating substrate. Annealing is performed on a region intended for pixel area formation by irradiating ultraviolet rays by a ultraviolet ray lamp, whereas annealing is performed on a region intended for horizontal scan area formation and a region intended for vertical scan area formation by irradiating an excimer laser at the same time, respectively. Thus obtained polycrystalline silicon film formed on the region intended for pixel area formation has uniform crystal grains while polycrystalline silicon films formed on the region intended for horizontal scan area formation and the region for vertical scan area formation have larger crystal grains. Thin-film transistors are formed in these regions, respectively. Accordingly, a monolithic liquid crystal display panel with a large area and high-image quality is manufactured.
    • 提供一种具有大面积和高图像质量的单片液晶显示面板的制造方法。 在绝缘基板上依次形成保护膜和非晶硅膜。 通过用紫外线灯照射紫外线,在用于像素区域形成的区域上进行退火,而对于用于水平扫描区域形成的区域和用于垂直扫描区域形成的区域进行退火, 同时分别。 形成在用于像素区域形成的区域上的这样获得的多晶硅膜具有均匀的晶粒,而形成在用于水平扫描区域形成的区域上的多晶硅膜和用于垂直扫描区域形成的区域具有较大的晶粒。 在这些区域分别形成薄膜晶体管。 因此,制造了具有大面积和高图像质量的单片液晶显示面板。
    • 122. 发明授权
    • Semiconductor material
    • 半导体材料
    • US06172380B2
    • 2001-01-09
    • US09187224
    • 1998-11-06
    • Takashi NoguchiYuji Ikeda
    • Takashi NoguchiYuji Ikeda
    • H01L2904
    • H01L29/1602H01L29/045H01L29/16
    • A semiconductor material having more excellent electric characteristics than polycrystalline semiconductor materials and readily formed on various kinds of substrates is provided. The semiconductor material is made of substantially single crystalline semiconductor crystal grains 3a. These crystal grains 3a are preferentially oriented in a common surface orientation, such as {100}, {111} or {110}-orientation, and grain boundaries 3b of adjacent ones of the crystal grains 3a are in substantial lattice matching with each other at least in a part thereof. In case of {100} orientation, each crystal grain 3a has an approximately square shape, and they are regularly aligned in rows and columns. In case of {111} orientation, each crystal grain 3a has an approximately equilateral hexagonal shape, and they are aligned in an equilateral turtle shell pattern. In case of {110} orientation, each crystal grain 3a has an approximately hexagonal shape, and they are aligned in a turtle shell pattern. The semiconductor forming the crystal grains 3a is a group IV semiconductor having a diamond-type crystal structure, such as Si, Ge and C.
    • 提供了具有比多晶半导体材料更优异的电特性并容易形成在各种基板上的半导体材料。 半导体材料由基本上单晶半导体晶粒3a制成。 这些晶粒3a优选以公共的表面取向取向,例如{100},{111}或{110}取向,相邻的晶粒3a的晶界3b彼此实质上晶格匹配 至少在一部分。 在{100}取向的情况下,每个晶粒3a具有近似正方形的形状,并且它们被规则地排列成行和列。 在{111}取向的情况下,每个晶粒3a具有大致等边六边形,并且它们以等边龟壳图案对准。 在{110}取向的情况下,每个晶粒3a具有大致六边形形状,并且以乌龟壳图案对准。 形成晶粒3a的半导体是具有诸如Si,Ge和C的金刚石型晶体结构的IV族半导体。
    • 124. 发明授权
    • Elimination of dehydrogenation step when forming a silicon thin film
device by low-temperature laser-annealing
    • 通过低温激光退火形成硅薄膜器件时,消除脱氢步骤
    • US6080643A
    • 2000-06-27
    • US021826
    • 1998-02-11
    • Takashi NoguchiHajime YagiYasuhiro Kanaya
    • Takashi NoguchiHajime YagiYasuhiro Kanaya
    • G02F1/136G02F1/1368H01L21/20H01L21/336H01L29/786H01L21/36
    • H01L21/2026
    • Disclosed is a process of forming a silicon thin film used as an active layer of a thin film transistor, which process is improved for enhancing a quality and a productivity of the silicon thin film. At a physical vapor deposition step, an amorphous silicon thin film is physically formed on a substrate in vacuum. Then, at a laser annealing step, directly after formation of the amorphous silicon thin film without the need of dehydrogenation, a laser light is irradiated to the amorphous silicon thin film, to convert the amorphous silicon thin film into a polycrystalline silicon thin film. After that, the polycrystalline silicon thin film thus converted is processed to form a thin film transistor. In the physical vapor deposition step, an amorphous silicon thin film may be formed by sputtering using a target made from a silicon crystal body or a silicon sintered body. In the sputtering, an amorphous silicon thin film can be formed by sputtering using a target previously mixed with an impurity in a desired concentration. By introducing an impurity in the amorphous silicon thin film at the film formation stage, a threshold characteristic of a thin film transistor can be previously controlled.
    • 公开了形成用作薄膜晶体管的有源层的硅薄膜的工艺,该方法被改进以提高硅薄膜的质量和生产率。 在物理气相沉积步骤中,非晶硅薄膜在真空中物理地形成在衬底上。 然后,在激光退火工序中,直接在形成非晶硅薄膜而不需要脱氢之后,向非晶硅薄膜照射激光,将非晶硅薄膜转换为多晶硅薄膜。 之后,将这样转换的多晶硅薄膜加工成薄膜晶体管。 在物理气相沉积步骤中,可以使用由硅晶体或硅烧结体制成的靶通过溅射形成非晶硅薄膜。 在溅射中,可以使用预先与期望浓度的杂质混合的靶通过溅射形成非晶硅薄膜。 通过在成膜阶段引入非晶硅薄膜中的杂质,可以预先控制薄膜晶体管的阈值特性。
    • 127. 发明授权
    • Limit switch mounting structure for a linear actuator
    • 用于线性执行器的限位开关安装结构
    • US5890585A
    • 1999-04-06
    • US818276
    • 1997-03-18
    • Kenichiro NakamuraToshio MitsuyamaTakashi Noguchi
    • Kenichiro NakamuraToshio MitsuyamaTakashi Noguchi
    • F15B15/28F16H25/20F16H25/22H01H3/16H01H9/02
    • H01H3/16H01H9/0207
    • A linear actuator in which the number of limit switches to be mounted, as well as the mounting position and direction of limit switches, can be selected with a high degree of freedom, the limit switch mounting spacing can be made short, and a positive operation is ensured while using a small number of components. Flat limit switch mounting flanges are fixed onto an outer cylinder of a linear actuator so that their positions are adjustable in both axial and circumferential directions of the outer cylinder, and a guide rail for slidably guiding a striker is supported by and between the limit switch mounting flanges. The striker is connected with the actuator rod of the actuator by a connecting rod. With projection or retraction of the actuating rod, the striker moves and actuates limit switches attached to the associated limit switch mounting flanges.
    • 可以以高自由度选择要安装的限位开关的数量以及限位开关的安装位置和方向的线性致动器,可以使限位开关的安装间隔变短,并且正的操作 在使用少量组件的同时确保。 平面限位开关安装法兰被固定在线性致动器的外筒上,使得它们的位置在外筒的轴向和圆周方向均可调节,并且用于可滑动地引导撞针的导轨由限位开关安装 法兰。 撞针通过连杆与致动器的致动杆连接。 通过致动杆的突出或缩回,撞针移动并致动附接到相关联的限位开关安装法兰的限位开关。