-
公开(公告)号：US20050116792A1
公开(公告)日：2005-06-02
申请号：US10817822
申请日：2004-04-06
摘要： Provided is a microwave tunable device having a coplanar waveguide structure, comprising a substrate, a ferroelectric/paraelectric thin film, a first transmission line, and second transmission lines, wherein a transmission line portion is formed with a constant width and an input/output portion is formed with a width larger than that of the transmission line portion in the first transmission line, and a transmission line portion is formed with a constant width and an input/output portion is formed with a narrower width than that of the transmission line portion in the second transmission line, whereby it is possible to minimize impedance difference with a connection line, a reflection loss, and an insertion loss, by controlling the width of the first transmission line and gap between the first and the second transmission lines, in the input/output portion.
摘要翻译： 本发明提供一种具有共面波导结构的微波可调谐装置，包括基板，铁电/顺电薄膜，第一传输线和第二传输线，其中传输线部分形成为恒定宽度，输入/输出部分 形成为具有比第一传输线中的传输线部分的宽度大的宽度，并且传输线部分形成为具有恒定的宽度，并且输入/输出部分形成为具有比传输线部分的宽度更窄的宽度 第二传输线，通过在输入端控制第一传输线的宽度和第一和第二传输线之间的间隙，可以使与连接线的阻抗差，反射损耗和插入损耗最小化 /输出部分。
-
2.发明申请Lateral tunable capacitor and high frequency tunable device having the same 审中-公开横向可调谐电容器和具有相同功能的高频可调谐器件公开(公告)号：US20060125052A1
公开(公告)日：2006-06-15
申请号：US11210015
申请日：2005-08-22
申请人： Seung Moon , Han Ryu , Young Kim , Min Kwak , Su Lee , Kwang Kang
发明人： Seung Moon , Han Ryu , Young Kim , Min Kwak , Su Lee , Kwang Kang
IPC分类号： H01L29/93
CPC分类号： H01L28/82 , H01L27/0808
摘要： A lateral type tunable capacitor and a high frequency tunable device having the same are provided. The high frequency tunable device includes substrate; a signal line formed on the substrate; a plurality of tunable capacitors aligned on both sides of the signal line along the longitudinal direction of the signal line; an electrode disposed on the substrate for applying a DC voltage to the tunable capacitors. The tunable capacitor includes a dielectric layer formed on the substrate, and a first capacitor electrode and a second capacitor electrode formed on both sides of the dielectric layer on the substrate, and the first capacitor electrode, the dielectric layer, and the second capacitor electrode are aligned in parallel on the substrate.
摘要翻译： 提供了一种横向型可调电容器和具有该横向型可调电容器的高频可调谐器件。 高频可调谐装置包括基板; 形成在基板上的信号线; 多个可调谐电容器，沿信号线的纵向排列在信号线的两侧; 设置在所述基板上的用于向所述可调电容器施加DC电压的电极。 可调谐电容器包括形成在基板上的电介质层，以及形成在基板上的电介质层两侧的第一电容电极和第二电容电极，第一电容电极，电介质层和第二电容器电极是 在基板上平行排列。
-
3.发明申请公开(公告)号：US20060118843A1
公开(公告)日：2006-06-08
申请号：US11180744
申请日：2005-07-12
申请人： Su Lee , Seung Moon , Han Ryu , Min Kwak , Kwang Kang
发明人： Su Lee , Seung Moon , Han Ryu , Min Kwak , Kwang Kang
CPC分类号： H01L21/022 , H01G7/06 , H01L21/02197 , H01L21/0226 , H01L21/31691 , H01L28/56 , H01P1/181
摘要： A ferroelectric/paraelectric multilayer thin film having a high tuning rate of a dielectric constant and small dielectric loss to overcome limitations of a tuning rate of a dielectric constant and dielectric loss of a ferroelectric thin film, a method of forming the same, and a high frequency variable device having the ferroelectric/paraelectric multilayer thin film are provided. The ferroelectric/paraelectric multilayer thin film includes a perovskite ABO3 structure paraelectric seed layer formed on a substrate, and an epitaxial ferroelectric (BaxSr1-x)TiO3 thin film formed on the paraelectric seed layer. The high frequency variable device can realize a RF frequency/phase variable device having a high speed, low power consumption, and low prices and excellent microwaves characteristics.
摘要翻译： 具有介电常数高的调谐率和小的介电损耗的铁电/直流多层薄膜，以克服介电常数的调谐率和铁电薄膜的介电损耗的限制，其形成方法和高 提供具有铁电/顺电多层薄膜的高频可变器件。 铁电/顺电多层薄膜包括在基板上形成的钙钛矿ABO 3结构顺电晶种层和外延铁电（Ba x Sr Sr 1-x < / SUB>）TiO 3薄膜形成在顺电种子层上。 高频可变装置可以实现具有高速度，低功耗，低价格和优异的微波特性的RF频率/相位可变装置。
-
4.发明申请Ferroelectric epitaxial thin film for microwave tunable device and microwave tunable device using the same 审中-公开用于微波可调谐器件的铁电外延薄膜和使用其的微波可调谐器件公开(公告)号：US20050128029A1
公开(公告)日：2005-06-16
申请号：US10817852
申请日：2004-04-06
申请人： Su Lee , Seung Moon , Han Ryu , Min Kwak
发明人： Su Lee , Seung Moon , Han Ryu , Min Kwak
CPC分类号： H01P1/181
摘要： Provided are a ferroelectric epitaxial thin film for a microwave tunable device including a ferroelectric BaTiO3 seed layer and an epitaxial (Ba1-xSrx)TiO3 thin film, and a microwave tunable device using the same, whereby it is possible to improve the microwave response property of the microwave tunable device, and to enhance the quality of the wireless communication with ultra high speed, low electric power, low cost, and high sensitivity, by using the device of the present invention as an active antenna system, a satellite communication system, or a wireless sensor system,
摘要翻译： 提供了一种用于微波可调器件的铁电外延薄膜，其包括铁电BaTiO 3种子层和外延（Ba 1-x Sr Sr x 3） ）TiO 3薄膜，以及使用其的微波可调谐装置，由此可以提高微波可调谐装置的微波响应特性，并且以超高的方式提高无线通信的质量 通过使用本发明的装置作为有源天线系统，卫星通信系统或无线传感器系统，可以实现高速度，低功率，低成本和高灵敏度，
-
5.发明申请Paraelectric thin film structure for high frequency tunable device and high frequency tunable device with the same 审中-公开用于高频可调谐器件的高电平薄膜结构和高频可调谐器件公开(公告)号：US20070132065A1
公开(公告)日：2007-06-14
申请号：US11389761
申请日：2006-03-27
申请人： Su Jae Lee , Han Ryu , Seung Moon , Young Kim , Min Kwak , Kwang Kang
发明人： Su Jae Lee , Han Ryu , Seung Moon , Young Kim , Min Kwak , Kwang Kang
CPC分类号： H01G4/1227 , H01G4/33 , H01G7/06 , H01L21/31691 , H01L28/56
摘要： Provided are a paraelectric thin film structure and a high frequency tunable device with the paraelectric thin film structure. The paraelectric thin film structure has a large dielectric constant tuning rate and a low dielectric loss at a high frequency. The paraelectric thin film structure includes a perovskite ABO3 type paraelectric film formed on an oxide single crystal substrate. The paraelectric film is formed of a material selected from Ba(Zrx,Ti1-x)O3, Ba(Hfy,Ti1-y)O3, or Ba(Snz,Ti1-z)O3. Instead of the paraelectric film, the paraelectric thin film structure may include a compositionally graded paraelectric film having at least two paraelectric films formed of the selected material by varying the composition ratio x, y, or z. A high-frequency/phase tunable device employing the paraelectric thin film structure can have improved microwave characteristics and high-speed, low-power-consuming, low-cost characteristics.
摘要翻译： 提供了顺电薄膜结构和具有顺电薄膜结构的高频可调谐器件。 顺电薄膜结构在高频下具有大的介电常数调谐率和低的介电损耗。 顺电薄膜结构包括在氧化物单晶衬底上形成的钙钛矿型ABO 3 N型顺电膜。 所述顺电膜由选自Ba（Zr 1 x 1，Ti 1-x O）O 3 3，Ba（HfO 3） Y 1，Y 1，Y 3，Z 3，Z a，Z z， 3＆gt; 3＆lt; 3＆gt; 代替顺电膜，顺电薄膜结构可以包括通过改变组成比x，y或z而具有由所选择的材料形成的至少两个顺电膜的组成分级的副电介质膜。 采用顺电薄膜结构的高频/相位可调谐装置可以具有改进的微波特性和高速，低功耗，低成本的特性。
-
6.发明申请公开(公告)号：US20070074249A1
公开(公告)日：2007-03-29
申请号：US11525991
申请日：2006-09-25
申请人： Seong Byun , Hyun Lee , Min Kwak
发明人： Seong Byun , Hyun Lee , Min Kwak
CPC分类号： H04N5/445 , A63F13/24 , H04H60/74 , H04N5/44543 , H04N21/26283 , H04N21/2665 , H04N21/4722 , H04N21/482 , H04N21/4821 , H04N21/84
摘要： The invention relates to a digital multimedia broadcasting system, and more specifically, to a method for displaying electronic program guide. A broadcasting system for providing program information comprises a sender having an EPG data generating unit for generating an EPG data having cast and director information of the program, an encoding unit for encoding the EPG data and a sending unit for sending the encoded EPG data, and a receiver having a receiving unit for sending the encoded EPG data transferred from the sender, a decoding unit for decoding the encoded EPG data received from the receiving unit and a EPG data processing unit for extraction of the cast and director information from the decoded EPG data.
摘要翻译： 本发明涉及一种数字多媒体广播系统，更具体地，涉及一种用于显示电子节目指南的方法。 一种用于提供节目信息的广播系统，包括具有EPG数据生成单元的发送者，该单元用于生成具有该节目的演员和导演信息的EPG数据，用于对EPG数据进行编码的编码单元和用于发送编码的EPG数据的发送单元，以及 具有用于发送从发送器传送的编码EPG数据的接收单元的接收器，用于对从接收单元接收的编码EPG数据进行解码的解码单元和用于从解码的EPG数据中提取演员和导演信息的EPG数据处理单元 。
-
7.发明申请Reflection plate for backlight unit and backlight unit of liquid crystal display having good thermal conductivity 有权液晶显示器的背光单元和背光单元的反射板具有良好的导热性公开(公告)号：US20070047253A1
公开(公告)日：2007-03-01
申请号：US11511628
申请日：2006-08-29
IPC分类号： A47F3/00
CPC分类号： G02B5/08 , G02B1/04 , G02B6/0031 , G02B6/0085 , G02F1/133605 , G02F2001/133628 , Y10T428/10
摘要： The present invention relates to a reflection plate for a backlight unit in a liquid crystal display device, and more particularly, to a reflection plate for a backlight unit in a liquid crystal display device, which is made of a thermoplastic thermal conductive resin composition having a thermal conductivity of at least 0.35 W/mK, thereby effectively solving the thermal problem of the backlight unit, and having excellent properties such as shock resistance, heat resistance, mechanical strength, and the like, as well as having excellent reflectivity, thereby improving the durability of the liquid crystal display device. Furthermore, the present invention relates to a backlight unit of a liquid crystal display device, comprising a reflection plate positioned at a lower portion of a lamp of the backlight unit for reflecting the light coming out of the lamp, a supporting rod for the lamp, and a lower plate functioning as a heat sink, wherein the reflection plate and the lower plate are made of the same material, thereby effectively solving the thermal problem of the backlight unit, and simplifying the manufacturing process.
摘要翻译： 本发明涉及一种液晶显示装置中的背光单元用反射板，更具体地，涉及一种液晶显示装置中的背光单元用反射板，该反射板由热塑性导热性树脂组合物 热导率至少为0.35W / mK，从而有效地解决了背光单元的热问题，并且具有优异的耐冲击性，耐热性，机械强度等特性，并且具有优异的反射率，从而改善了 液晶显示装置的耐久性。 此外，本发明涉及一种液晶显示装置的背光单元，包括位于背光单元的灯的下部的反射板，用于反射从灯出来的光，用于灯的支撑杆， 以及用作散热器的下板，其中反射板和下板由相同的材料制成，从而有效地解决了背光单元的热问题，并简化了制造工艺。
-
-
-
-
-
-
搜索结果
7 条记录 (耗时 0.024 秒)
