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    • 1. 发明授权
    • High resolution amorphous silicon radiation detectors
    • 高分辨率非晶硅辐射探测器
    • US5117114A
    • 1992-05-26
    • US448240
    • 1989-12-11
    • Robert A. StreetSelig N. KaplanVictor Perez-Mendez
    • Robert A. StreetSelig N. KaplanVictor Perez-Mendez
    • G01T1/20G01T1/24H01L31/0232H01L31/117
    • H01L31/0232G01T1/2018H01L31/02322H01L31/117Y10S257/926
    • A radiation detector employing amorphous Si:H cells in an array with each detector cell having at least three contiguous layers (n type, intrinsic, p type), positioned between two electrodes to which a bias voltage is applied. An energy conversion layer atop the silicon cells intercepts incident radiation and converts radiation energy to light energy of a wavelength to which the silicon cells are responsive. A read-out device, positioned proximate to each detector element in an array allows each such element to be interrogated independently to determine whether radiation has been detected in that cell. The energy conversion material may be a layer of luminescent material having a columnar structure. In one embodiment a column of luminescent material detects the passage therethrough of radiation to be detected and directs a light beam signal to an adjacent a-Si:H film so that detection may be confined to one or more such cells in the array. One or both electrodes may have a comb structure, and the teeth of each electrode comb may be interdigitated for capacitance reduction. The amorphous Si:H film may be replaced by an amorphous Si:Ge:H film in which up to 40 percent of the amorphous material is Ge. Two dimensional arrays may be used in X-ray imaging, CT scanning, crystallography, high energy physics beam tracking, nuclear medicine cameras and autoradiography.
    • 一种辐射检测器,其采用阵列中的非晶Si:H电池,其中每个检测器单元具有至少三个相邻层(n型,本征型,p型),位于施加有偏置电压的两个电极之间。 硅单元顶部的能量转换层拦截入射辐射,并将辐射能转换成硅单元响应的波长的光能。 位于阵列中的每个检测器元件附近的读出装置允许独立地询问每个这样的元件以确定是否在该单元中检测到辐射。 能量转换材料可以是具有柱状结构的发光材料层。 在一个实施例中,一列发光材料检测待检测的辐射的通过,并将光束信号引导到相邻的a-Si:H膜,使得检测可以局限于阵列中的一个或多个这样的单元。 一个或两个电极可以具有梳状结构,并且每个电极梳的齿可以相互交叉以减少电容。 非晶Si:H膜可以由非晶Si:Ge:H膜替代,其中高达40%的无定形材料是Ge。 二维阵列可用于X射线成像,CT扫描,晶体学,高能物理光束跟踪,核医学相机和放射自显影。
    • 5. 发明授权
    • Vertical coffee-stain method for forming self-organized line structures
    • 用于形成自组织线结构的垂直咖啡染色方法
    • US08158465B2
    • 2012-04-17
    • US12484992
    • 2009-06-15
    • Sanjiv SambandanRobert A. StreetAna Claudia Arias
    • Sanjiv SambandanRobert A. StreetAna Claudia Arias
    • H01L21/336
    • B82Y40/00B05D1/185H01L21/288H01L21/76838H01L51/0022H01L51/0508
    • A “vertical” coffee-stain method for producing self-organized line structures and other very fine features that involves disposing a target structure in a solution made up of a fine particle solute dispersed in a liquid solvent such that a “waterline” is formed by the upper (liquid/air) surface of the solution on a targeted linear surface region of the substrate. The solvent is then caused to evaporate at a predetermined rate such that a portion of the solute forms a self-organized “coffee-stain” line structure on the straight-line portion of the substrate surface contacted by the receding waterline. The substrate and staining solution are selected such that the liquid solvent has a stronger attraction to the substrate surface than to itself to produce the required pinning and upward curving waterline. The target structure is optionally periodically raised to generate parallel lines that are subsequently processed to form, e.g., TFTs for large-area electronic devices.
    • 用于生产自组织线结构的“垂直”咖啡染色方法和其它非常细小的特征,其包括将目标结构设置在由分散在液体溶剂中的细颗粒溶质构成的溶液中,使得“水线”由 溶液的上(液/空)表面在基材的目标线性表面区域上。 然后使溶剂以预定的速率蒸发,使得一部分溶质在由后退水线接触的基底表面的直线部分上形成自组织的“咖啡污渍”线结构。 选择底物和染色溶液使得液体溶剂对基底表面的吸引力比其本身具有更强的吸引力以产生所需的钉扎和向上弯曲的水线。 目标结构可选地周期性地升高以产生随后被处理以形成例如用于大面积电子器件的TFT的平行线。
    • 9. 发明申请
    • ELECTRONIC DEVICE WITH UNIQUE ENCODING
    • 具有独特编码的电子设备
    • US20100099220A1
    • 2010-04-22
    • US12645987
    • 2009-12-23
    • Robert A. StreetAna Claudia Arias
    • Robert A. StreetAna Claudia Arias
    • H01L21/50
    • H01L51/0005H01L27/1285H01L27/1288H01L27/1292H01L27/283H01L51/0545
    • An electronic device comprising a thin film transistor (TFT) array and manufacturing methods thereof according to various embodiments. Jet-printed material is deposited on selected partially formed transistors to form completed transistors. Thus, a selected number of the TFTs are connected into the circuit while the remainder of the TFTs are not connected. An electronic read-out of the array identifies the specific array by distinguishing the connected TFTs from the unconnected ones. For a TFT array with n elements there are 2n alternative configurations; therefore, a relatively small number of TFTs can uniquely identify a huge number of devices. Such uniquely encoded devices have applications for encryption, identification and personalization of electronic systems.
    • 一种包括薄膜晶体管(TFT)阵列的电子器件及其制造方法。 喷射印刷材料沉积在选定的部分形成的晶体管上以形成完整的晶体管。 因此,选择数量的TFT连接到电路中,而其余TFT不连接。 阵列的电子读出通过将连接的TFT与未连接的TFT区分开来识别特定的阵列。 对于具有n个元件的TFT阵列,有2n个备选配置; 因此,相对较少的TFT可以唯一地识别大量的设备。 这种唯一编码的设备具有用于电子系统的加密,识别和个性化的应用。