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    • 1. 发明申请
    • Automatically passivated n-p junction and a method for making it
    • 自动钝化n-p结及其制作方法
    • US20050121747A1
    • 2005-06-09
    • US10501778
    • 2003-01-17
    • Jarek AntoszewskiJohn DellCharles MuscaLorenzo FaraoneBrett NenerJohn Siliquini
    • Jarek AntoszewskiJohn DellCharles MuscaLorenzo FaraoneBrett NenerJohn Siliquini
    • H01L21/8238H01L27/06H01L27/14H01L27/146H01L29/00H01L29/22H01L31/0296H01L31/102H01L31/103H01L31/18
    • H01L27/0605H01L27/14643H01L27/14696H01L29/22H01L31/1032H01L31/1828Y02E10/543
    • An automatically passivated n-p junction is formed from a p-type body containing Group II and Group VI elements, one of which is mercury. A passivation layer is then formed having at least one window provided therein on a surface of the p-type body. The p-type body is then subjected to a reactive ion etching process using the passivation layer as a mask to form the n-p junction. Ohmic contacts are then formed on the n-type and p-type regions. The method may be extended to form an array of n-p junctions on a semiconductor body having a plurality of p-type material layers. This method comprises the further step of: etching the body to expose a portion of each layer; forming a passivation layer over the body; forming windows in the passivation layer; subjecting the body to a reactive ion etching process using the passivation layer as a mask to form an n-p junction in each layer or to form n-p junctions that extend substantially to the substrate; forming an ohmic contact to each of the n-type regions; and forming an ohmic contact to a common p-type layer or each layer of the portions. A semiconductor material comprising an n-p junction formed according to the aforementioned methods is also described, having a substrate, a layer of p-type material surmounting the substrate, a region of converted n-type material formed on a localised portion of the surface of the p-type material, so as to define an n-p junction between the p-type and the n-type material; a passivation layer surmounting the surface of the p-type material and the n-p junction, including windows respectively exposing part of the surface of the converted n-type material and a portion of the surface of the p-type material distant from the n-type material, such that ohmic contacts may be disposed on the exposed surface, without exposing the n-p junction.
    • 由含有II族和VI族元素的p型体形成自动钝化的n-p结,其中之一是汞。 然后形成钝化层,其中在p型体的表面上设置有至少一个窗口。 然后使用钝化层作为掩模对p型体进行反应离子蚀刻工艺以形成n-p结。 然后在n型和p型区域上形成欧姆接触。 该方法可以扩展以在具有多个p型材料层的半导体主体上形成n-p结阵列。 该方法还包括以下步骤:蚀刻所述主体以暴露每层的一部分; 在身体上形成钝化层; 在钝化层中形成窗; 使用钝化层作为掩模对体进行反应离子蚀刻工艺,以在每个层中形成n-p结或形成基本上延伸到衬底的n-p结; 与n型区域中的每一个形成欧姆接触; 并且形成与共同的p型层或各层的欧姆接触。 还描述了包括根据上述方法形成的np结的半导体材料,其具有衬底,覆盖衬底的p型材料层,形成在表面的局部部分上的转换的n型材料的区域 p型材料,以便在p型和n型材料之间限定np结; 覆盖p型材料和np结的表面的钝化层,包括分别暴露转换的n型材料的表面的一部分和远离n型材料的p型材料的表面的一部分的窗口 材料,使得欧姆接触可以设置在暴露的表面上,而不暴露np结。
    • 2. 发明授权
    • Method and apparatus for transfer of real time signals over packet networks
    • 通过分组网络传输实时信号的方法和装置
    • US06876670B1
    • 2005-04-05
    • US09462562
    • 1999-05-19
    • Zigmantas L BudrikisGuven MercankoskJohn Siliquini
    • Zigmantas L BudrikisGuven MercankoskJohn Siliquini
    • H04L12/54H04L12/64H04L12/841H04L12/853H04L12/875H04L29/06H04L29/08H04J3/24
    • H04L47/28H04L12/6418H04L29/06027H04L47/2416H04L47/50H04L47/564H04L65/607
    • The present invention allows routers in a digital communications network, such as the Internet, to be given the time awareness that is necessary for timely transfer of real time signals in the form of digital data packets. Timing information generated at the source of the signal is included in the packets in the form of first and second time stamps, which are used by network routers to establish dispatch deadlines by which the packets must be forwarded to ensure time-faithful reconstruction of the real time signal at the destination. The same timing information can be used at the destination to synchronize the clock for presentation of the real time signal to the source clock. The first and second time stamps (a differential time and a dispatch time) are derived by a transmitter unit (100) from a counter (118) that counts pulses from an oscillator (116) that most advantageously is locked to an integer multiple or a fraction of a universally available time measure. Assuming that the same time measure, or at least a very near replica, is available at routers in the network and at destinations connected to the network, the time stamps marked in the packets can be used by routers to effect scheduling for timely dispatch of the packets.
    • 本发明允许诸如因特网的数字通信网络中的路由器被给予以数字数据分组的形式及时传送实时信号所必需的时间意识。 在信号源处生成的定时信息以第一和第二时间戳的形式包含在分组中,网络路由器使用这些时间戳来建立分发截止时间,通过该时间段必须转发分组,以确保实时的真实重建 目的地的时间信号。 可以在目的地使用相同的定时信息来同步时钟,以将实时信号呈现给源时钟。 第一和第二时间戳(差分时间和调度时间)由来自计数器(118)的发送器单元(100)导出,计数器(118)对来自最有利地锁定到整数倍的振荡器(116)的脉冲进行计数 普遍可用时间度量的分数。 假设在网络中的路由器和连接到网络的目的地的相同时间测量或至少非常接近的副本可用,路由器可以使用报文中标记的时间戳进行调度以及时发送 数据包