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    • 4. 发明专利
    • Method of manufacturing thin film transistor, thin film transistor, image sensor, x-ray sensor, and x-ray digital photographing device
    • 制造薄膜晶体管,薄膜晶体管,图像传感器,X射线传感器和X射线数字摄影装置的方法
    • JP2011243745A
    • 2011-12-01
    • JP2010114674
    • 2010-05-18
    • Fujifilm Corp富士フイルム株式会社
    • TAKADA MASAHIROONO MASASHISUZUKI MASAYUKI
    • H01L29/786H01L21/336H01L27/14H01L27/146
    • PROBLEM TO BE SOLVED: To provide a method of manufacturing a thin film transistor that suppresses variance in electric characteristics as a result of a heat treatment when the thin film transistor having an oxide semiconductor layer is manufactured, and is suitable for, especially, fabrication of a large-area device.SOLUTION: The method of manufacturing the thin film transistor which has, on a substrate 11, the oxide semiconductor layer 12, a source electrode 13, a drain electrode 14, a gate insulating film 15, and a gate electrode includes a process of forming the oxide semiconductor layer that has a laminate structure of three or more layers, adjacent ones of which differ in composition, and includes at least one low-resistance layer 12B, having smaller specific resistance than a layer 12C arranged closest to the gate electrode and a layer 12A arranged farthest away from the gate electrode, between the layer arranged closest to the gate electrode and the layer arranged farthest away from the gate electrode, and a process of carrying out a heat treatment after forming the oxide semiconductor layer.
    • 要解决的问题:提供一种制造薄膜晶体管的方法,该薄膜晶体管在制造具有氧化物半导体层的薄膜晶体管时,作为热处理的结果而抑制电特性的变化,并且特别适用于 ,制造大面积的装置。 解决方案:在衬底11上具有氧化物半导体层12,源电极13,漏电极14,栅极绝缘膜15和栅电极的薄膜晶体管的制造方法包括: 形成具有三层以上层叠结构的氧化物半导体层,其相邻组成不同,并且包括至少一层低电阻层12B,其比比最靠近栅电极布置的层12C具有更小的电阻率 以及布置在距离栅电极最远的层之间,最靠近栅电极布置的层与最远离栅电极的层布置的层12A以及在形成氧化物半导体层之后进行热处理的工序。 版权所有(C)2012,JPO&INPIT
    • 5. 发明专利
    • Electronic device manufacturing method, thin film transistor, and electro-optic device and sensor
    • 电子器件制造方法,薄膜晶体管和电光器件和传感器
    • JP2011243631A
    • 2011-12-01
    • JP2010112122
    • 2010-05-14
    • Fujifilm Corp富士フイルム株式会社
    • ONO MASASHITAKADA MASAHIROSUZUKI MASAYUKI
    • H01L29/786C23C14/08H01L21/316H01L21/336H01L21/363
    • PROBLEM TO BE SOLVED: To reduce interfacial defects easily.SOLUTION: An electronic device manufacturing method comprises: a first deposition step for depositing on a substrate a first layer, which contains an oxide having oxygen nonstoichiometric properties, in a vacuum deposition chamber shut off from the atmosphere; a second deposition step for depositing on the first layer a second layer made of the same material as or a different material from that of the first layer; and a partial pressure control step for holding the first layer in a chamber shut off from the atmosphere, which includes the vacuum deposition chamber, under a higher oxygen partial pressure than that inside the vacuum deposition chamber in the first deposition step for a period after the first deposition step till the second deposition step.
    • 要解决的问题:容易地减少界面缺陷。 解决方案:一种电子器件制造方法,包括:第一沉积步骤,用于在真空沉积室中与大气隔绝的情况下在衬底上沉积含有具有氧非化学计量特性的氧化物的第一层; 第二沉积步骤,用于在第一层上沉积由与第一层相同或不同材料制成的第二层; 以及分压控制步骤,用于在第一沉积步骤中在比第一沉积步骤中在比真空沉积室内的氧分压更高的氧分压下将第一层保持在与包括真空沉积室的气氛隔绝的室中,持续一段时间 第一沉积步骤直到第二沉积步骤。 版权所有(C)2012,JPO&INPIT
    • 7. 发明专利
    • Surface machining method and surface workpiece
    • 表面加工方法和表面工作
    • JP2007287948A
    • 2007-11-01
    • JP2006114034
    • 2006-04-18
    • Fujifilm Corp富士フイルム株式会社
    • TAKADA MASAHIROSUZUKI MASAYUKI
    • H01L21/306C04B41/91
    • PROBLEM TO BE SOLVED: To improve the surface smoothness of an object to be machined simply and to a high level.
      SOLUTION: In a surface machining method, a reactive substance 2 having a reactivity for an object to be machined 1 is brought into contact with a surface of the object to be machined 1 and they reacts therebetween for surface machining of the object to be machined 1. As a reactive substance, the reactive substance 2 having a reactivity for the object to be machined 1 under heating conditions is used (however, an active seed activated by plasma irradiation is excluded), and the reaction is executed at a temperature in which the reactive substance 2 reacts with the object to be machined 1.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:简单地提高待加工物体的表面平滑度和高水平。 解决方案:在表面加工方法中,将具有对待加工物体1的反应性的反应物质2与待加工物体1的表面接触,并且它们之间在其间进行反应,以对物体进行表面加工 被加工1.作为反应性物质,使用在加热条件下具有对待加工对象物1的反应性的反应性物质2(但不排除通过等离子体照射而活化的活性种子),反应在温度 其中反应物质2与待加工物体1反应1.版权所有(C)2008,JPO&INPIT
    • 9. 发明专利
    • Thin film transistor and method of manufacturing the same, and device with thin film transistor
    • 薄膜晶体管及其制造方法以及具有薄膜晶体管的器件
    • JP2012059860A
    • 2012-03-22
    • JP2010200570
    • 2010-09-08
    • Fujifilm Corp富士フイルム株式会社
    • ONO MASASHITAKADA MASAHIROTANAKA ATSUSHISUZUKI MASAYUKI
    • H01L29/786H01L27/14H01L27/146
    • PROBLEM TO BE SOLVED: To provide a thin film transistor which can be manufactured at low temperature and exhibits high electron field-effect mobility.SOLUTION: In the thin film transistor having an active layer which comprises an oxide semiconductor layer, the active layer includes a first area Ahaving a first electron affinity χin the film thickness direction from the gate electrode side, and a second area Ahaving a second electron affinity χsmaller than the first electron affinity χ. A well type potential where the first area Ais a well layer, and the second area Aand a gate insulating film are a barrier layer is constituted. Here, the active layer comprises the oxide semiconductor layer consisting of a(InO).b(GaO).c(ZnO), and b/(a+b) of the second area Ais larger than b/(a+b) of the first area A.
    • 解决的问题:提供可以在低温下制造并具有高电子场效应迁移率的薄膜晶体管。 解决方案:在具有包括氧化物半导体层的有源层的薄膜晶体管中,有源层包括具有第一电子亲和力χ 1 具有第二电子密度χ 2 “POST”> 2 小于第一电子亲和力χ 1 。 第一区域A 1 的井型电位是阱层,第二区域A 2 和栅极绝缘膜 是构成阻挡层。 这里,有源层包括由(In 2 O 3 )组成的氧化物半导体层b(Ga 2 O 3 )c(ZnO)和b /(a + b) “> 2 大于第一区域A 1 的b /(a + b)。 版权所有(C)2012,JPO&INPIT