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公开(公告)号：US10199455B2
公开(公告)日：2019-02-05
申请号：US15600782
申请日：2017-05-21
Applicant: Jun Hu , Madhur Bobde , Hamza Yilmaz
Inventor： Jun Hu , Madhur Bobde , Hamza Yilmaz
IPC: H01L29/739 , H01L29/06 , H01L29/66 , H01L29/423 , H01L29/10 , H01L29/40 , H01L21/265
Abstract: A method of manufacturing an insulated gate bipolar transistor (IGBT) device comprising 1) preparing a semiconductor substrate with an epitaxial layer of a first conductivity type supported on the semiconductor substrate of a second conductivity type; 2) applying a gate trench mask to open a first trench and second trench followed by forming a gate insulation layer to pad the trench and filling the trench with a polysilicon layer to form the first trench gate and the second trench gate; 3) implanting dopants of the first conductivity type to form an upper heavily doped region in the epitaxial layer; and 4) forming a planar gate on top of the first trench gate and apply implanting masks to implant body dopants and source dopants to form a body region and a source region near a top surface of the semiconductor substrate.
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公开(公告)号：US10057969B2
公开(公告)日：2018-08-21
申请号：US15393615
申请日：2016-12-29
Applicant: Jun Hu , Jian Huang
Inventor： Jun Hu
IPC: H05B37/00 , H05B41/298 , H02M1/42
CPC classification number: H05B41/2988 , H02M1/4208 , H05B41/2882 , H05B41/2925 , H05B41/388
Abstract: The present disclosure relates to a starting device for a CDM lamp, comprising: a full-bridge inverter, which at least provides an output as a starting power source to initiate the CDM lamp to work normally; a driving circuit for driving the full-bridge inverter; a single-chip microcomputer, which is connected to the driving circuit; an ignition determining module, one end of which is connected to the full-bridge inverter to sense whether the output of the full-bridge inverter has powered on the CDM lamp, so as to determine whether ignition of the CDM lamp succeeds and then output a result of the determining to the single-chip microcomputer via the other end. The present disclosure provides a novel starting device for a CDM lamp, which facilitates determining whether starting of the CDM lamp succeeds and also facilitates enhancement of successful rate of starting the CDM lamp subsequently.
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公开(公告)号：US10038089B2
公开(公告)日：2018-07-31
申请号：US14957570
申请日：2015-12-02
Applicant: Jun Hu , Zhiyun Luo , Fei Wang , Mengyu Pan
Inventor： Jun Hu , Zhiyun Luo , Fei Wang , Mengyu Pan
CPC classification number: H01L29/7813 , H01L21/32139 , H01L29/1095 , H01L29/401 , H01L29/407 , H01L29/42372 , H01L29/66734 , H01L29/7811
Abstract: A semiconductor power device includes a plurality of power transistor cells each having a trenched gate disposed in a gate trench opened in a semiconductor substrate wherein a plurality of the trenched gates further include a shielded bottom electrode disposed in a bottom portion of the gate trench electrically insulated from a top gate electrode disposed at a top portion of the gate trench by an inter-electrode insulation layer. At least one of the shielded bottom electrode is connected a source metal and at least one of the top electrodes in the gate trench is connected to a source metal of the power device.
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公开(公告)号：US10015870B2
公开(公告)日：2018-07-03
申请号：US15401191
申请日：2017-01-09
Applicant: Jun Hu , Jian Huang
Inventor： Jun Hu
IPC: H05B41/288 , H05B41/28
CPC classification number: H05B41/2883 , H05B41/2887 , Y02B20/202
Abstract: The present disclosure relates to a light attenuation controlling apparatus for a CDM lamp, comprising: a full-bridge inverter as a power source to supply an output to the CDM lamp; a driving circuit for driving the full-bridge inverter; a single-chip microcomputer connected to the driving circuit; a tube voltage sensing module, one end of which is connected to the full-bridge inverter so as to sense a tube voltage currently outputted by the full-bridge inverter to the CDM lamp, and through the other end of which the tube voltage of the CDM lamp is outputted to the single-chip microcomputer. The present disclosure provides a novel light attenuation controlling apparatus for a CDM lamp, which can effectively control light attenuation of the CDM lamp by constantly regulating the output of the full-bridge inverter, thereby enhancing duration of the CDM lamp.
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公开(公告)号：US20170271441A1
公开(公告)日：2017-09-21
申请号：US15600782
申请日：2017-05-21
Applicant: Jun Hu , Madhur Bobde , Hamza Yilmaz
Inventor： Jun Hu , Madhur Bobde , Hamza Yilmaz
IPC: H01L29/06 , H01L29/66 , H01L21/266 , H01L21/265 , H01L29/423 , H01L29/739 , H01L29/40
CPC classification number: H01L29/0623 , H01L21/265 , H01L29/0696 , H01L29/1095 , H01L29/407 , H01L29/4236 , H01L29/42364 , H01L29/42368 , H01L29/42376 , H01L29/4238 , H01L29/66 , H01L29/66333 , H01L29/66348 , H01L29/7395 , H01L29/7397
Abstract: A method of manufacturing an insulated gate bipolar transistor (IGBT) device comprising 1) preparing a semiconductor substrate with an epitaxial layer of a first conductivity type supported on the semiconductor substrate of a second conductivity type; 2) applying a gate trench mask to open a first trench and second trench followed by forming a gate insulation layer to pad the trench and filling the trench with a polysilicon layer to form the first trench gate and the second trench gate; 3) implanting dopants of the first conductivity type to form an upper heavily doped region in the epitaxial layer; and 4) forming a planar gate on top of the first trench gate and apply implanting masks to implant body dopants and source dopants to form a body region and a source region near a top surface of the semiconductor substrate.
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Patent Agency Ranking
公开(公告)号：US20170250945A1
公开(公告)日：2017-08-31
申请号：US15054863
申请日：2016-02-26
Applicant: Sanjay Wadhwa , Jun Hu
Inventor： Sanjay Wadhwa , Jun Hu
CPC classification number: H04L61/103 , H04L12/462 , H04L12/4633 , H04L41/5054 , H04L41/5077 , H04L45/66 , H04L61/6022 , H04L61/6068
Abstract: The present disclosure generally discloses an addressing mechanism adapted for extending a customer local area network of a customer premises of a customer outside of the customer premises and into a private data network with improved scalability and performance. The extension of a local area network of a customer premises of a customer outside of the customer premises and into a private data network may be provided using a customer bridge associated with the customer local area network of the customer, a customer bridging domain hosted on a network gateway device for the customer, and a switching element hosted in the private data network for the customer for one or more customer components hosted within the private data network for the customer. The addressing mechanism may include one or more of address announcement functions, address resolution functions, address translation functions, or the like, as well as various combinations thereof.
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87.发明授权公开(公告)号：US09160264B2
公开(公告)日：2015-10-13
申请号：US11941125
申请日：2007-11-16
Applicant: Jun Hu
Inventor： Jun Hu
Abstract: A method for detecting an initial rotor angular position and starting a dynamoelectric machine having a stator and a rotor includes the steps of driving the dynamoelectric machine into partial magnetic saturation to determine the initial rotor angular position of the dynamoelectric machine, and starting the dynamoelectric machine utilizing the initial rotor angular position previously determined.
Abstract translation: 一种用于检测初始转子角位置并启动具有定子和转子的电动机的方法包括以下步骤：将电动机驱动到部分磁饱和状态，以确定电动机的初始转子角位置，并启动电动机利用 先前确定的初始转子角位置。
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公开(公告)号：US08806908B2
公开(公告)日：2014-08-19
申请号：US13321549
申请日：2010-05-20
Applicant: Yongyao Yu , Jun Hu , Zhongwei Cao
Inventor： Yongyao Yu , Jun Hu , Zhongwei Cao
IPC: E05B35/08
CPC classification number: E05B27/0053 , E05B27/0007 , E05B27/0042 , E05B35/12 , E05B63/0069 , E05C3/042 , Y10T70/5788 , Y10T70/7446 , Y10T70/7458 , Y10T70/7463 , Y10T70/7565 , Y10T70/7605
Abstract: A dual key bi-step lock having a shell and a cylindrical plug in the shell. The plug has a primary keyway and a secondary keyway and at least one set of primary pin stack and at least one set of secondary pin stack between the shell and the plug, respectively coupling with the primary and the secondary keys. a longitudinal stage is formed on a cylindrical surface of the plug. An involute side face extending from the stage to the cylindrical surface of the plug. The primary key is able to dive the plug to a position of first step open at which the stage is stopped by the key pin of the secondary pin stack. The secondary pin stack is unlocked by the secondary key and the plug is able to be further driven to a position of second step open by the primary and the secondary keys from the first step open.
Abstract translation: 双键双向锁具有外壳和外壳中的圆柱塞。 插头具有主键槽和辅助键槽以及分别与主键和副键耦合的壳和插头之间的至少一组主引脚叠层和至少一组次级引脚叠层。 在插头的圆柱形表面上形成纵向台。 从阶段延伸到插头的圆柱形表面的渐开线侧面。 主键能够将插头潜入第一级打开的位置，在该位置，辅助引脚堆叠的键销停止该级。 辅助销堆叠由辅助钥匙解锁，并且插头能够被进一步驱动到第一阶段打开的主键和辅助键的第二阶段打开的位置。
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公开(公告)号：US08792407B2
公开(公告)日：2014-07-29
申请号：US13401122
申请日：2012-02-21
Applicant: Jun Hu , Donna Ghosh , Christopher G. Lott , Rashid A. Attar , Linhai He
Inventor： Jun Hu , Donna Ghosh , Christopher G. Lott , Rashid A. Attar , Linhai He
CPC classification number: H04W52/0241 , H04W52/0209 , H04W52/146 , H04W52/325 , H04W52/44 , Y02D70/00 , Y02D70/1224 , Y02D70/1242 , Y02D70/23 , Y02D70/25
Abstract: A wireless communications power saving method and apparatus is provided. The method includes, when no reverse link traffic exists and no forward link traffic has been received for a predetermined amount of time, establishing, at a terminal, a reverse link transmission pilot signal duty cycle, and boosting overhead channel signal transmission power during ON slots and gating overhead channel and pilot signal transmission power during OFF slots. The design further includes estimating, at the terminal, an available data transmission rate, determining an actual data transmission rate, setting a terminal transmission duty cycle for a next period based on the estimated available data transmission rate, the actual data transmission rate, and a margin of error, and transmitting data from the terminal according to the terminal transmission duty cycle.
Abstract translation: 提供一种无线通信省电方法和装置。 该方法包括：当没有反向链路业务存在并且没有接收到预定时间量的前向链路业务时，在终端建立反向链路传输导频信号占空比，并且在接通时隙期间提升开销信道信号传输功率 并在OFF时隙期间门控开销信道和导频信号发送功率。 该设计还包括在终端处估计可用的数据传输速率，确定实际的数据传输速率，基于估计的可用数据传输速率，实际数据传输速率和设置下一个周期来设置下一个周期的终端传输占空比 根据终端传输占空比从终端发送数据。
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公开(公告)号：US20140107354A1
公开(公告)日：2014-04-17
申请号：US14049809
申请日：2013-10-09
IPC: C07D311/86
CPC classification number: C07D311/86
Abstract: Methods are provided for forming a xanthone derivative via reacting a 2-substituted benzaldehyde with a phenol derivative to form the xanthone derivative.
Abstract translation: 提供了通过2-取代的苯甲醛与酚衍生物反应形成呫吨酮衍生物以形成呫吨酮衍生物的方法。
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