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    • 44. 发明申请
    • DEVICE INCLUDING SEMICONDUCTOR NANOCRYSTALS & METHOD
    • 包括半导体纳米晶体和方法的器件
    • US20140054540A1
    • 2014-02-27
    • US13900272
    • 2013-05-22
    • QD Vision, Inc.
    • Zhaoqun ZhouPeter T. KazlasMarshall Cox
    • H01L29/06H01L33/06H01L33/00H01L31/0352H01L21/02H01L31/18
    • H01L29/0665H01L21/02601H01L31/035209H01L31/035218H01L31/18H01L33/005H01L33/06H01L51/0036H01L51/0037H01L51/426H01L2251/308Y02E10/549Y02P70/521
    • A method of making a device comprising semiconductor nanocrystals comprises forming a first layer capable of transporting charge over a first electrode, wherein forming the first layer comprises disposing a metal layer over the first electrode and oxidizing at least the surface of the metal layer opposite the first electrode to form a metal oxide, disposing a layer comprising semiconductor nanocrystals over the oxidized metal surface, and disposing a second electrode over the layer comprising semiconductor nanocrystals. A device comprises a layer comprising semiconductor nanocrystals disposed between a first electrode and a second electrode, and a first layer capable of transporting charge disposed between the layer comprising semiconductor nanocrystals one of the electrodes, wherein the first layer capable of transporting charge comprises a metal layer wherein at least the surface of the metal layer facing the layer comprising semiconductor nanocrystals is oxidized prior to disposing semiconductor nanocrystals thereover.
    • 制造包含半导体纳米晶体的器件的方法包括形成能够在第一电极上传输电荷的第一层,其中形成第一层包括在第一电极上设置金属层,并至少将金属层的表面氧化成与第一电极相对的第一层 电极以形成金属氧化物,在氧化的金属表面上设置包含半导体纳米晶体的层,以及在包含半导体纳米晶体的层上设置第二电极。 一种器件包括设置在第一电极和第二电极之间的包含半导体纳米晶体的层,以及能够传输设置在包括半导体纳米晶体的层之间的电荷的第一层,其中电极的一个电极包括金属层 其中至少在面向包含半导体纳米晶体的层的金属层的表面在其上设置半导体纳米晶体之前被氧化。
    • 49. 发明授权
    • Biological component detection device
    • 生物成分检测装置
    • US08373156B2
    • 2013-02-12
    • US13122926
    • 2009-07-30
    • Youichi NagaiYasuhiro Iguchi
    • Youichi NagaiYasuhiro Iguchi
    • H01L29/06H01L31/0232H01L31/102
    • A61B5/1455A61B5/14532G01J3/0218G01J2003/2866G01N21/359G01N21/474H01L27/1446H01L31/035209H01L31/1035
    • Provided is a biological component detection device with which a biological component can be detected at high sensitivity by using an InP-based photodiode in which a dark current is reduced without using a cooling mechanism and the sensitivity is extended to a wavelength of 1.8 μm or more. An absorption layer 3 has a multiple quantum well structure composed of group III-V semiconductors, a pn-junction 15 is formed by selectively diffusing an impurity element in the absorption layer, and the concentration of the impurity element in the absorption layer is 5×1016/cm3 or less, the diffusion concentration distribution control layer has an n-type impurity concentration of 2×1015/cm3 or less before the diffusion, the diffusion concentration distribution control layer having a portion adjacent to the absorption layer, the portion having a low impurity concentration. The biological component detection device is characterized in that an examination is conducted by receiving light having at least one wavelength of 3 μm or less, the wavelength being included in an absorption band of the biological component.
    • 本发明提供一种生物成分检测装置,其通过使用其中暗电流减小而不使用冷却机构的InP基光电二极管,以高灵敏度检测生物成分,并且灵敏度延伸至1.8μm以上的波长 。 吸收层3具有由III-V族半导体构成的多量子阱结构,通过选择性地扩散吸收层中的杂质元素形成pn结15,并且吸收层中杂质元素的浓度为5× 1016 / cm3以下,扩散浓度分布控制层在扩散前的n型杂质浓度为2×1015 / cm3以下,扩散浓度分布控制层具有与吸收层相邻的部分,该部分具有 杂质浓度低。 生物成分检测装置的特征在于,通过接收具有3μm以下的波长的波长的波长包含在生物成分的吸收带中进行检查。