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    • 91. 发明申请
    • METHOD AND APPARATUS FOR FABRICATION OF THIN FILM SUPERCONDUCTOR BY SPRAY PYROLYSIS CHEMICAL VAPOR DEPOSITION METHOD
    • 通过喷雾热分解化学蒸气沉积法制备薄膜超导体的方法和装置
    • WO2008038856A1
    • 2008-04-03
    • PCT/KR2006/005148
    • 2006-12-01
    • KOREA POLYTECHNIC UNIVERSITYHONG, Gye-WonLEE, Hee-GyounKIM, Ho-Jin
    • HONG, Gye-WonLEE, Hee-GyounKIM, Ho-Jin
    • H01L21/205
    • C30B29/22C23C4/123C23C8/02C30B25/02H01L39/2451
    • Disclosed herein is a method and apparatus for fabrication of a thin film superconductor. Specifically, provided is a method and apparatus for fabrication of a thin film superconductor using spray pyrolysis chemical vapor deposition, comprising dissolving an inorganometallic compound as a raw material in distilled water to prepare a precursor solution, spraying the resulting precursor solution in a state of fine droplets, and coating an epitaxial thin film on a substrate (such as a ceramic material, a nickel metal, a nickel alloy, stainless steel or the like) via a pyrolysis process. The method comprises dissolving an inorganometallic compound having a water-solubility in distilled water to prepare a precursor solution; processing the precursor solution into droplets having a size of several μm to several tens of μm and storing the droplets in a raw material storage; transferring the droplets in the storage to a main pipe via a pump and simultaneously supplying the droplets, in conjunction with carrier and reactant gases supplied by operation of a valve, to a nozzle; heating the droplets sprayed from the nozzle by an auxiliary heat source to evaporate the distilled water, thereby preparing fine-sized particles of the inorganometallic compound; elevating a temperature of a heater formed in a table, such that the resulting particles react with the reactant gas to form an oxide; uniformly forming a film of the oxide at opposite sides on a single crystal substrate having a certain texture provided to the table via conveyers, by a ∧ shaped stainless steel plate, thereby forming an oxide template having a certain texture on the upper part of the substrate, and sufficiently heating the single crystal substrate prepared by forming an oxide buffer layer on the resulting oxide template to form an oxide thin film; and subjecting the resulting oxide thin film to an oxygen heat-treatment to complete a thin film superconductor having superconducting properties. That is, the present invention provides a method for fabrication of a thin film superconductor made of REBa2Cu3O7-x (RE = a rare-earth element selected from the group consisting of Y, La, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu and any combination thereof), using a precursor solution prepared by dissolving an inexpensive inorganometallic compound in distilled water. Therefore, the present invention enables production of superconductors at a significantly lower cost, as compared to the use of a conventional expensive β-chelate compound, i.e., 2,2,6,6-tetramethyl-3,5-heptanedione (tmhd).
    • 本文公开了一种用于制造薄膜超导体的方法和装置。 具体地,提供了使用喷雾热解化学气相沉积制造薄膜超导体的方法和装置,其包括将作为原料的无机金属化合物溶解在蒸馏水中以制备前体溶液,将所得前体溶液以精细状态 并通过热解法在基底(例如陶瓷材料,镍金属,镍合金,不锈钢等)上涂覆外延薄膜。 该方法包括将具有水溶性的无机金属化合物溶解在蒸馏水中以制备前体溶液; 将前体溶液处理成具有几μm至几十μm的液滴并将液滴储存在原料储存器中; 通过泵将存储器中的液滴转移到主管道,同时将液滴与通过操作阀供应的载体和反应物气体一起供应到喷嘴; 通过辅助热源加热从喷嘴喷射的液滴以蒸发蒸馏水,从而制备无机金属化合物的细小颗粒; 升高形成在台上的加热器的温度,使得所得到的颗粒与反应气体反应形成氧化物; 在具有通过输送机提供给桌子的具有特定纹理的单晶基板上的相对侧的氧化物膜均匀地形成, 从而在基板的上部形成具有一定质地的氧化物模板,并且通过在所得到的氧化物模板上形成氧化物缓冲层而制备的单晶基板充分加热以形成氧化物薄膜; 并对所得氧化物薄膜进行氧热处理,以完成具有超导特性的薄膜超导体。 也就是说,本发明提供一种制造由REBa2Cu3O7-x制成的薄膜超导体的方法(RE =选自Y,La,Nd,Sm,Eu,Gd,Tb,Dy的稀土元素 ,Ho,Er,Tm,Yb,Lu及其任意组合),使用通过将廉价无机金属化合物溶解在蒸馏水中制备的前体溶液。 因此,与使用常规的昂贵的β-螯合化合物即2,2,6,6-四甲基-3,5-庚二酮(tmhd)相比,本发明能够以显着更低的成本生产超导体。
    • 93. 发明申请
    • VIDEO DATA TRANSMISSION SYSTEM FOR REMOTE MONITORING AND REMOTE MONITORING EQUIPMENT USING THE SAME
    • 使用其远程监控和远程监控设备的视频数据传输系统
    • WO2008001966A1
    • 2008-01-03
    • PCT/KR2006/002577
    • 2006-06-30
    • KT CorporationLEE, Kyoung-BumRHU, Ho-Jin
    • LEE, Kyoung-BumRHU, Ho-Jin
    • H04N7/12
    • H04N7/10G08B13/19656H04L49/15H04L49/3009H04L49/3045H04L49/3072H04L49/351H04L49/50H04N7/108H04N7/181
    • A video transmitter for remote monitoring includes at least one transmitter and a concentrator. The at least one transmitter is installed in the establishment to be monitored and connected to a predetermined number of surveillance cameras, receives video signals of the surveillance cameras in parallel, and transmits the video signals of the surveillance cameras to the central control center at a predetermined upstream data rate, the transmitter being controlled by control data transmitted by the central control center. The concentrator is installed in the central control center, includes at least two receiving modules for concentrating the video signals transmitted by the respective transmitters, transmits the concentrated video signals to the central control center's manager, receives control data for the transmitters from the central control center's manager, and transmits the control data to the transmitters at a downstream data rate that is equal to or less than the upstream data rate.
    • 用于远程监视的视频发射器包括至少一个发射机和集中器。 所述至少一个发射器被安装在被监视的设备中并连接到预定数量的监视摄像机,并行地接收监视摄像机的视频信号,并以预定的方式将监视摄像机的视频信号发送到中心控制中心 上行数据速率,发射机由中央控制中心传输的控制数据控制。 集中器安装在中央控制中心,包括至少两个用于集中由各个发射机发射的视频信号的接收模块,将集中的视频信号传输到中央控制中心的管理员,从中央控制中心的接收模块接收发射机的控制数据 管理器,并且以等于或小于上行数据速率的下行数据速率将控制数据发送到发射机。
    • 99. 发明申请
    • APPARATUS AND METHOD FOR DETERMINING USER CODE IN QUASI-SYNCHRONOUS CDMA SYSTEM, AND APPARATUS AND METHOD FOR GENERATING AND SPREADING USER CODE USING THE SAME
    • 用于确定同步CDMA系统中的用户代码的装置和方法,以及使用该方法生成和传播用户代码的装置和方法
    • WO2006014044A1
    • 2006-02-09
    • PCT/KR2004/003409
    • 2004-12-22
    • ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEYeungnam Educational FoundationSONG, Yun-JeongKIM, Ho-KyomOH, Deock-GilLEE, Ho-JinCHOI, Kwon-Hue
    • SONG, Yun-JeongKIM, Ho-KyomOH, Deock-GilLEE, Ho-JinCHOI, Kwon-Hue
    • H04B1/69
    • H04J13/16H04J13/0048H04J13/10H04J13/18H04L1/0003
    • Provided are an apparatus and method for selecting a user code according to the number of access users in a quasi-synchronous CDMA system, and an apparatus and method for generating/spreading a user code using the same based on scrambling. The apparatus of the present researches minimize interference elements among user codes in a range of a synchronous error by classifying user codes into two code groups in a base station of a quasi-synchronous CDMA system, selecting a specific code group according to present access user numbers, transmitting the specific code group to a terminal, generating a user code according to the code group in the terminal, and using a scrambling code pattern minimizing a correlation characteristic among user codes. The user code selecting apparatus includes : an access user counting block for counting present access user number upon a user access/termination request signal from a terminal; a code group selecting/converting block for selecting a user to convert a code group of the present access user by checking a value of access user counting block upon a user access request signal from the terminal, selecting a corresponding user code group, and checking a value of the access user counting block and a code group of the termination request user upon a user access termination request signal from the terminal; and a code group selection/conversion signal transmitting block for transmitting the code group selection/conversion signal to the terminal upon a control of the code group selecting/converting block.
    • 提供了一种用于根据准同步CDMA系统中的接入用户的数量来选择用户码的装置和方法,以及用于基于加扰产生/扩展使用该码的用户码的装置和方法。 本研究的装置通过将用户代码分类为准同步CDMA系统的基站中的两个代码组,将同步错误范围内的用户代码中的干扰要素最小化,根据当前访问用户号码选择特定代码组 将特定代码组发送到终端,根据终端中的代码组生成用户代码,并使用最小化用户代码之间的相关特性的扰码模式。 用户代码选择装置包括:接入用户计数块,用于根据来自终端的用户接入/终止请求信号对当前接入用户号码进行计数; 用于通过根据来自终端的用户访问请求信号检查访问用户计数块的值来选择用户来转换当前访问用户的代码组的代码组选择/转换块,选择对应的用户代码组,并且检查 接收用户计数块的值和来自终端的用户接入终止请求信号的终止请求用户的代码组; 以及代码组选择/转换信号发送块,用于在代码组选择/转换块的控制时向代码发送代码组选择/转换信号。