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    • 21. 发明授权
    • Encapsulation method for packaging semiconductor components with external leads
    • 用外部引线封装半导体元件的封装方法
    • US07943424B1
    • 2011-05-17
    • US12592597
    • 2009-11-30
    • Limin WangLei ShiLiang ZhaoFeng Ye
    • Limin WangLei ShiLiang ZhaoFeng Ye
    • H01L21/56
    • H01L21/561H01L21/4842H01L23/3107H01L24/97H01L2924/01033H01L2924/01079H01L2924/01082H01L2924/014
    • This invention discloses a method for packaging a semiconductor device with leads extending outside its encapsulation. The method comprises the following steps: Step 1, providing a lead frame comprising a plurality of lead frame units arranged in two dimensional array, each lead frame unit comprising a die pad and a plurality of leads located along two opposite sides of the die pad, attaching a semiconductor chip onto the die pad and electrically connecting the electrodes on each chip to its corresponding leads; Step 2, Encapsulating the chips, the die pads, and the leads with molding material into a plurality of one dimensional plastic encapsulation bars with the leads of each lead frame unit extending out along two opposite sides of the plastic encapsulation bars connecting to a plurality of tie bars substantially parallel to the plastic encapsulation bars; Step 3, Trimming off the tie bars therefore cutting off the connections between the leads to the tie bars while preserving a portion of the leads extending out of the plastic encapsulation bars; and Step 4, Sawing through the plastic encapsulation bars to form a plurality of individual semiconductor components with leads extending outside its encapsulation.
    • 本发明公开了一种用于封装半导体器件的方法,该半导体器件具有在其封装之外延伸的引线。 该方法包括以下步骤:步骤1,提供包括以二维阵列排列的多个引线框单元的引线框架,每个引线框架单元包括管芯焊盘和位于管芯焊盘的两个相对侧的多个引线, 将半导体芯片附接到芯片焊盘上并将每个芯片上的电极电连接到其对应的引线; 步骤2,通过模塑材料将芯片,芯片焊盘和引线封装成多个一维塑料封装棒,每个引线框架单元的引线沿塑料封装条的两个相对侧延伸,连接到多个 连接条基本上平行于塑料封装条; 步骤3,修剪连接杆,从而切断导线到连接杆之间的连接,同时保留从塑料封装棒伸出的一部分引线; 和步骤4,通过塑料封装条锯切以形成多个单独的半导体部件,其引线延伸到其封装外部。
    • 22. 发明申请
    • ENCAPSULATION METHOD FOR PACKAGING SEMICONDUCTOR COMPONENTS WITH EXTERNAL LEADS
    • 用于封装具有外部引线的半导体元件的封装方法
    • US20110129962A1
    • 2011-06-02
    • US12592597
    • 2009-11-30
    • Limin WangLei ShiLiang ZhaoFeng Ye
    • Limin WangLei ShiLiang ZhaoFeng Ye
    • H01L21/78
    • H01L21/561H01L21/4842H01L23/3107H01L24/97H01L2924/01033H01L2924/01079H01L2924/01082H01L2924/014
    • This invention discloses a method for packaging a semiconductor device with leads extending outside its encapsulation. The method comprises the following steps: Step 1, providing a lead frame comprising a plurality of lead frame units arranged in two dimensional array, each lead frame unit comprising a die pad and a plurality of leads located along two opposite sides of the die pad, attaching a semiconductor chip onto the die pad and electrically connecting the electrodes on each chip to its corresponding leads; Step 2, Encapsulating the chips, the die pads, and the leads with molding material into a plurality of one dimensional plastic encapsulation bars with the leads of each lead frame unit extending out along two opposite sides of the plastic encapsulation bars connecting to a plurality of tie bars substantially parallel to the plastic encapsulation bars; Step 3, Trimming off the tie bars therefore cutting off the connections between the leads to the tie bars while preserving a portion of the leads extending out of the plastic encapsulation bars; and Step 4, Sawing through the plastic encapsulation bars to form a plurality of individual semiconductor components with leads extending outside its encapsulation.
    • 本发明公开了一种用于封装半导体器件的方法,该半导体器件具有在其封装之外延伸的引线。 该方法包括以下步骤:步骤1,提供包括以二维阵列排列的多个引线框单元的引线框架,每个引线框架单元包括管芯焊盘和位于管芯焊盘的两个相对侧的多个引线, 将半导体芯片附接到芯片焊盘上并将每个芯片上的电极电连接到其对应的引线; 步骤2,通过模塑材料将芯片,芯片焊盘和引线封装成多个一维塑料封装棒,每个引线框架单元的引线沿塑料封装条的两个相对侧延伸,连接到多个 连接条基本上平行于塑料封装条; 步骤3,修剪连接杆,从而切断导线到连接杆之间的连接,同时保留从塑料封装棒伸出的一部分引线; 和步骤4,通过塑料封装条锯切以形成多个单独的半导体部件,其引线延伸到其封装外部。
    • 24. 发明授权
    • Autonomous fluid control system having a fluid diode
    • 具有流体二极管的自主流体控制系统
    • US09404349B2
    • 2016-08-02
    • US13657371
    • 2012-10-22
    • Liang Zhao
    • Liang Zhao
    • E21B43/12E21B34/08
    • E21B43/12E21B34/08
    • Apparatus and methods for autonomously controlling fluid flow in a subterranean well are presented, and in particular for providing a fluid diode to create a relatively high resistance to fluid flow in one direction and a relatively low resistance to fluid flowing in the opposite direction. The diode is positioned in a fluid passageway and has opposing high resistance and low resistance entries. In one embodiment, the high resistance entry has a concave, annular surface surrounding an orifice and the low resistance entry has a substantially conical surface. The concave, annular surface of the high resistance entry preferably extends longitudinally beyond the plane of the orifice. In a preferred embodiment, the fluid will flow in eddies adjacent the concave, annular surface.
    • 提出了用于自主控制地下井中的流体流动的装置和方法,特别是用于提供流体二极管以在一个方向上产生相对较高的流体流动阻力,并且相对于在相反方向上流动的流体阻力相对较低。 二极管位于流体通道中,具有相对的高电阻和低电阻条目。 在一个实施例中,高电阻入口具有围绕孔的凹形环形表面,并且低电阻入口具有基本上圆锥形的表面。 高阻力入口的凹形环形表面优选地纵向延伸超过孔口的平面。 在优选实施例中,流体将在靠近凹形环形表面的涡流中流动。
    • 25. 发明申请
    • METHOD AND APPARATUS FOR MEDIA PROPERTY OF CHARACTERISTIC CONTROL IN A MEDIA SYSTEM
    • 媒体系统特征控制媒体属性的方法与装置
    • US20140162625A1
    • 2014-06-12
    • US14232635
    • 2011-08-12
    • Liang ZhaoYu-Ling FuQiu-Ling Li
    • Liang ZhaoYu-Ling FuQiu-Ling Li
    • H04M1/725H04M1/60
    • H04M1/6066H04M1/7253H04N21/4122H04N21/4222H04N21/4852H04N21/8106
    • A method and system for controlling multimedia presentation characteristics among a plurality of devices are disclosed. An electronic device (100) is capable of communication (109) with a peripheral device (102) to play back content (107) on the peripheral device (102). The content (107) has an associated a multimedia presentation characteristic signal, for example an audio signal (108). When the electronic device (101) receives a user input request to adjust a system volume, the device is configured to adjust either the associated audio signal or an output volume level of the peripheral device (102). Once this adjustment reaches a threshold, the device is configured to adjust the other of the associated audio signal or the output volume level of the peripheral device (102). The decision of which control to adjust first and which to adjust second can be user defined. The process can be repeated when more than two devices are included in the system.
    • 公开了一种用于控制多个设备中的多媒体呈现特性的方法和系统。 电子设备(100)能够与外围设备(102)进行通信(109)以播放外围设备(102)上的内容(107)。 内容(107)具有相关联的多媒体呈现特征信号,例如音频信号(108)。 当电子设备(101)接收到用于调整系统音量的用户输入请求时,该设备被配置为调整相关联的音频信号或外围设备(102)的输出音量级别。 一旦该调整达到阈值,该设备被配置为调整相关联的音频信号中的另一个或外围设备(102)的输出音量电平。 决定哪个控制首先调整,哪个调整第二个可以由用户定义。 当系统中包含两个以上的设备时,可以重复该过程。
    • 27. 发明授权
    • Integrated systems and methods for video-based object modeling, recognition, and tracking
    • 用于基于视频的对象建模,识别和跟踪的集成系统和方法
    • US08170280B2
    • 2012-05-01
    • US12327589
    • 2008-12-03
    • Liang ZhaoMatthew G. Berry
    • Liang ZhaoMatthew G. Berry
    • G06K9/00G06F3/00
    • G06K9/6255G06K9/00295G06K9/00711G06T7/248G06T7/40G06T2207/10016G06T2207/20081G06T2207/30201
    • The present disclosure relates to systems and methods for modeling, recognizing, and tracking object images in video files. In one embodiment, a video file, which includes a plurality of frames, is received. An image of an object is extracted from a particular frame in the video file, and a subsequent image is also extracted from a subsequent frame. A similarity value is then calculated between the extracted images from the particular frame and subsequent frame. If the calculated similarity value exceeds a predetermined similarity threshold, the extracted object images are assigned to an object group. The object group is used to generate an object model associated with images in the group, wherein the model is comprised of image features extracted from optimal object images in the object group. Optimal images from the group are also used for comparison to other object models for purposes of identifying images.
    • 本公开涉及用于在视频文件中建模,识别和跟踪对象图像的系统和方法。 在一个实施例中,接收包括多个帧的视频文件。 从视频文件中的特定帧提取对象的图像,并且还从后续帧中提取后续图像。 然后在从特定帧和随后帧的提取的图像之间计算相似度值。 如果所计算的相似度值超过预定的相似性阈值,则将所提取的对象图像分配给对象组。 对象组用于生成与组中的图像相关联的对象模型,其中模型包括从对象组中的最佳对象图像提取的图像特征。 为了识别图像,该组的最佳图像也用于与其他对象模型进行比较。
    • 28. 发明授权
    • Device for varying capacitance
    • 用于改变电容的装置
    • US07696444B2
    • 2010-04-13
    • US11657724
    • 2007-01-25
    • Yingjian LiuHonggang WangBojun SongLiang Zhao
    • Yingjian LiuHonggang WangBojun SongLiang Zhao
    • H04L15/00
    • H01G5/0136G06F3/03545H01G5/011H01G5/014
    • Disclosed is a device for varying capacitance which pertains to the field of application of electronic devices and components. The technical essentials of the present invention lie in that: two dielectrics are disposed in parallel with an isolation layer interposed therebetween; the two dielectrics each are connected to an electrode at the same one end face thereof; the other end face of each of the two dielectrics is provided with an elastic conductive pad; a gasket is provided between the two dielectrics and the elastic conductive pads. The relative position and compressed area between the elastic conductive pads and the dielectrics vary according to the magnitude of the external force so that the capacitance between the electrodes of the dielectrics is varied accordingly within a certain range. Therefore, once the value and the variation of the capacitance between the electrodes are measured, the magnitude and the status of the external force which brings about the variation of the capacitance can be obtained. The device of the present invention has a simple structure and high sensitivity. Also, it has a definite zero initial value and a maximum value of the capacitance, and therefore is easy for handing and measurement.
    • 公开了一种用于改变电容的装置,其涉及电子装置和部件的应用领域。 本发明的技术要点在于:两个电介质与插入其间的隔离层平行设置; 两个电介质各自在同一个端面连接到电极; 两个电介质的每一个的另一个端面设置有弹性导电垫; 在两个电介质和弹性导电垫之间提供垫圈。 弹性导电垫和电介质之间的相对位置和压缩面积根据外力的大小而变化,使得电介质的电极之间的电容相应地在一定范围内变化。 因此,一旦测量了电极之间的电容的值和变化,就可以获得导致电容变化的外力的大小和状态。 本发明的装置结构简单,灵敏度高。 此外,它具有确定的零初始值和电容的最大值,因此易于处理和测量。
    • 30. 发明申请
    • Wireless and passive tablet for inputting to computer
    • 无线和被动平板电脑输入到电脑
    • US20060007164A1
    • 2006-01-12
    • US10506467
    • 2003-04-18
    • Yingjian LiuHonggang WangLiang Zhao
    • Yingjian LiuHonggang WangLiang Zhao
    • G09G5/00
    • G06F3/046
    • This invention refers to peripheral equipment of computer and is a wireless and passive tablet for inputting to computer that converts the track of handwriting to digital X, Y coordinate and then inputs it to computer and then displays the track if the tablet on screen of computer directly with corresponding driver program and application software. The characteristic of the wireless and passive tablet is using the coil of X, Y direction in transmitting and receiving, in the concrete, MCU2 chip generates square wave and inputs to transmitting circuit, the electromagnetic wave transmitted is inputted to circuit of pen to form resonance that will be outputted to receiving circuit connects amplifying circuit to amplifies the signal and input into a phase angle detecting circuit and an amplitude detecting circuit respectively to control the phase angle and amplitude. And then the signal is inputted to primary CPU through integral and A/D conversion to realize the writing function of wireless pen finally.
    • 本发明涉及计算机的外围设备,是用于输入到计算机的无线和被动平板电脑,其将手写轨迹转换成数字X,Y坐标,然后将其输入到计算机,然后直接显示计算机在屏幕上的轨迹 具有相应的驱动程序和应用软件。 无线和无源平板电脑的特点是在发送和接收中使用X,Y方向的线圈,具体来说,MCU2芯片产生方波和输入到发射电路,传输的电磁波被输入到笔的电路中,形成共振 将其输出到接收电路,连接放大电路,分别放大信号并输入相位角检测电路和振幅检测电路,以控制相位角和振幅。 然后通过积分和A / D转换将信号输入到主CPU,最终实现无线笔的写入功能。