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公开(公告)号：US09780176B2
公开(公告)日：2017-10-03
申请号：US15238492
申请日：2016-08-16
Inventor： Jong Min Lee , Byoung-Gue Min , Hyung Sup Yoon , Dong Min Kang , Dong-Young Kim , Seong-Il Kim , Hae Cheon Kim , Jae Won Do , Ho Kyun Ahn , Sang-Heung Lee , Jong-Won Lim , Hyun Wook Jung , Kyu Jun Cho , Chull Won Ju
IPC: H01L29/40 , H01L29/20 , H01L29/205 , H01L29/778 , H01L29/66
CPC classification number: H01L29/408 , H01L29/2003 , H01L29/205 , H01L29/66462 , H01L29/7786 , H01L29/7787
Abstract: The present invention relates to a high reliability field effect power device and a manufacturing method thereof. A method of manufacturing a field effect power device includes sequentially forming a transfer layer, a buffer layer, a barrier layer and a passivation layer on a substrate, patterning the passivation layer by etching a first region of the passivation layer, and forming at least one electrode on the first region of the barrier layer exposed by patterning the passivation layer, wherein the first region is provided to form the at least one electrode, and the passivation layer may include a material having a wider bandgap than the barrier layer to prevent a trapping effect and a leakage current of the field effect power device.
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公开(公告)号：US09209266B2
公开(公告)日：2015-12-08
申请号：US14555182
申请日：2014-11-26
Inventor： Jong-Won Lim , Ho Kyun Ahn , Young Rak Park , Dong Min Kang , Woo Jin Chang , Seong-il Kim , Sung Bum Bae , Sang-Heung Lee , Hyung Sup Yoon , Chull Won Ju , Jae Kyoung Mun , Eun Soo Nam
IPC: H01L21/265 , H01L21/336 , H01L21/28 , H01L29/66 , H01L29/423 , H01L29/778 , H01L29/16 , H01L21/311
CPC classification number: H01L29/66431 , H01L21/28255 , H01L21/31116 , H01L21/31144 , H01L29/1608 , H01L29/42316 , H01L29/42376 , H01L29/66068 , H01L29/7787
Abstract: Disclosed is a manufacturing method of a high electron mobility transistor. The method includes: forming a source electrode and a drain electrode on a substrate; forming a first insulating film having a first opening on an entire surface of the substrate, the first opening exposing a part of the substrate; forming a second insulating film having a second opening within the first opening, the second opening exposing a part of the substrate; forming a third insulating film having a third opening within the second opening, the third opening exposing a part of the substrate; etching a part of the first insulating film, the second insulating film and the third insulating film so as to expose the source electrode and the drain electrode; and forming a T-gate electrode on a support structure including the first insulating film, the second insulating film and the third insulating film.
Abstract translation: 公开了一种高电子迁移率晶体管的制造方法。 该方法包括：在基板上形成源电极和漏电极; 在所述基板的整个表面上形成具有第一开口的第一绝缘膜，所述第一开口暴露所述基板的一部分; 在所述第一开口内形成具有第二开口的第二绝缘膜，所述第二开口暴露所述基板的一部分; 在所述第二开口内形成具有第三开口的第三绝缘膜，所述第三开口暴露所述基板的一部分; 蚀刻第一绝缘膜，第二绝缘膜和第三绝缘膜的一部分，以使源电极和漏电极露出; 以及在包括第一绝缘膜，第二绝缘膜和第三绝缘膜的支撑结构上形成T栅电极。
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公开(公告)号：US09178474B2
公开(公告)日：2015-11-03
申请号：US13950895
申请日：2013-07-25
Inventor： Sang-Heung Lee , Seong-il Kim , Dong Min Kang , Jong-Won Lim , Chull Won Ju , Hyung Sup Yoon , Jae Kyoung Mun , Eun Soo Nam
CPC classification number: H03F3/08 , H03G1/0047 , H03G1/0088 , H03G3/02 , H03G3/3084 , H03G11/02
Abstract: Provided is a feedback amplifier. The feedback amplifier includes: an amplification circuit unit amplifying a burst packet signal inputted from an input terminal and outputting the amplified voltage to an output terminal; a feedback circuit unit disposed between the input terminal and the output terminal and controlling whether to apply a fixed resistance value to a signal outputted to the output terminal; a packet signal detection unit detecting a peak value of a burst packet signal from the output terminal and controlling whether to apply the fixed resistance value; and a bias circuit unit generating a bias voltage, wherein the feedback circuit unit determines a feedback resistance value to change the fixed resistance value in response to at least one control signal and adjusts a gain by receiving the bias voltage.
Abstract translation: 提供反馈放大器。 反馈放大器包括：放大电路单元，放大从输入端子输入的突发分组信号，并将放大的电压输出到输出端子; 反馈电路单元，设置在所述输入端子和所述输出端子之间，并且控制是否对输出到所述输出端子的信号施加固定电阻值; 分组信号检测单元，检测来自输出端的突发分组信号的峰值，并控制是否应用固定电阻值; 以及产生偏置电压的偏置电路单元，其中所述反馈电路单元确定反馈电阻值以响应于至少一个控制信号改变所述固定电阻值，并且通过接收所述偏置电压来调整增益。
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Patent Agency Ranking
公开(公告)号：US09634112B2
公开(公告)日：2017-04-25
申请号：US14633984
申请日：2015-02-27
Inventor： Hyung Sup Yoon , Byoung-Gue Min , Jong-Won Lim , Hokyun Ahn , Seong-Il Kim , Sang Heung Lee , Dong Min Kang , Chull Won Ju , Jae Kyoung Mun
IPC: H01L29/66 , H01L29/778 , H01L29/40 , H01L29/423 , H01L29/20 , H01L21/02 , H01L21/28 , H01L21/311 , H01L29/201 , H01L29/205 , H01L21/285
CPC classification number: H01L29/66462 , H01L21/02118 , H01L21/0217 , H01L21/02178 , H01L21/0254 , H01L21/28264 , H01L21/28593 , H01L21/31111 , H01L21/31144 , H01L29/2003 , H01L29/201 , H01L29/205 , H01L29/404 , H01L29/42316 , H01L29/42376 , H01L29/778 , H01L29/7786
Abstract: A field effect transistor is provided. The field effect transistor may include a capping layer on a substrate, a source ohmic electrode and a drain ohmic electrode on the capping layer, a first insulating layer and a second insulating layer stacked on the capping layer to cover the source and drain ohmic electrodes, a Γ-shaped gate electrode including a leg portion and a head portion, the leg portion being connected to the substrate between the source ohmic electrode and the drain ohmic electrode, and the head portion extending from the leg portion to cover a top surface of the second insulating layer, a first planarization layer on the second insulating layer to cover the Γ-shaped gate electrode, and a first electrode on the first planarization layer, the first electrode being connected to the source ohmic electrode or the drain ohmic electrode.
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公开(公告)号：US09537458B2
公开(公告)日：2017-01-03
申请号：US14666163
申请日：2015-03-23
Inventor： Sang Heung Lee , Dong Min Kang , Seong Il Kim , Ho Kyun Ahn , Hyung Sup Yoon , Jong Won Lim , Chull Won Ju
CPC classification number: H03G1/0088 , H03F1/083 , H03F3/08 , H03F2200/153 , H03G3/12
Abstract: Provided herein is a feedback amplifier including an amplifier circuit configured to amplify an input signal input from an input terminal and output the amplified input signal to an output terminal; a feedback circuit configured to apply a feedback resistance value to a signal output to the output terminal, and to control a gain of the amplifier circuit by adjusting the input signal by a bias voltage applied with a feedback resistance value determined; a packet signal sensor configured to generate a fixed resistance control signal for controlling a fixed resistance value included in the feedback resistance value through a comparison between the output from the output terminal with a minimum signal level; and a fixed resistance controller configured to control the fixed resistance value included in the feedback resistance value in response to the fixed resistance control signal.
Abstract translation: 本文提供了一种反馈放大器，包括：放大器电路，被配置为放大从输入端输入的输入信号，并将放大的输入信号输出到输出端; 反馈电路，被配置为向输出端子输出的信号施加反馈电阻值，并且通过利用所确定的反馈电阻值施加的偏置电压来调节所述输入信号来控制所述放大器电路的增益; 分组信号传感器，被配置为通过比较来自所述输出端子的输出与最小信号电平之间的比较，产生用于控制所述反馈电阻值中包括的固定电阻值的固定电阻控制信号; 以及固定电阻控制器，其被配置为响应于所述固定电阻控制信号来控制包括在所述反馈电阻值中的所述固定电阻值。
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16.发明授权Wafer level packaged GaN power semiconductor device and the manufacturing method thereof 有权晶圆级封装GaN功率半导体器件及其制造方法公开(公告)号：US09012920B2
公开(公告)日：2015-04-21
申请号：US13867328
申请日：2013-04-22
Inventor： Chull Won Ju , Hae Cheon Kim , Hyung Sup Yoon , Woo Jin Chang , Sang-Heung Lee , Dong-Young Kim , Jong-Won Lim , Dong Min Kang , Ho Kyun Ahn , Jong Min Lee , Eun Soo Nam
IPC: H01L29/20 , H01L29/66 , H01L29/417 , H01L29/778 , H01L23/00
CPC classification number: H01L29/2003 , H01L24/05 , H01L24/06 , H01L24/16 , H01L29/41758 , H01L29/66431 , H01L29/66462 , H01L29/7787 , H01L2224/0401 , H01L2224/05554 , H01L2224/05568 , H01L2224/056 , H01L2224/06135 , H01L2224/131 , H01L2224/16225 , H01L2224/16227 , H01L2224/81815 , H01L2924/00014
Abstract: Disclosed are a GaN (gallium nitride) compound power semiconductor device and a manufacturing method thereof. The gallium nitride compound power semiconductor device includes: a gallium nitride compound element formed by being grown on a wafer; a contact pad including a source, a drain, and a gate connecting with the gallium nitride compound element; a module substrate to which the nitride gallium compound element is flip-chip bonded; a bonding pad formed on the module substrate; and a bump formed on the bonding pad of the module substrate so that the contact pad and the bonding pad are flip-chip bonded. By this configuration, it is possible to reduce the process costs by forming the bump on the substrate based on the wafer level, rapidly emit the heat generated from an AlGaN HEMT device by forming the sub source contact pad and the sub drain contact pad of the substrate in the active region, and efficiently emit the heat generated from the AlGaN HEMT device by forming a via hole on the substrate and filling the via hole with the conductive metal.
Abstract translation: 公开了一种GaN（氮化镓）复合功率半导体器件及其制造方法。 氮化镓化合物功率半导体器件包括：通过在晶片上生长形成的氮化镓复合元素; 包括源极，漏极和与氮化镓复合元件连接的栅极的接触焊盘; 将氮化镓化合物元件倒装芯片接合的模块基板; 形成在所述模块基板上的焊盘; 以及形成在模块基板的焊盘上的凸点，使得接触焊盘和焊盘被倒装芯片接合。 通过这种结构，可以通过基于晶片级在基板上形成凸块来降低处理成本，通过形成子源接触焊盘和子漏极接触焊盘，快速地发射由AlGaN HEMT器件产生的热量 衬底，并且通过在衬底上形成通孔并用导电金属填充通孔，从而有效地发射由AlGaN HEMT器件产生的热量。
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公开(公告)号：US08841969B2
公开(公告)日：2014-09-23
申请号：US13670016
申请日：2012-11-06
Inventor： Sang-Heung Lee , Seong-Il Kim , Dong Min Kang , Jong-Won Lim , Hyung Sup Yoon , Chull Won Ju , Jae Kyoung Mun , Eun Soo Nam
IPC: H03G3/12
CPC classification number: H03G1/0082 , H03G1/0088 , H03G3/3084
Abstract: Disclosed is an automatic gain control feedback amplifier that can arbitrarily control a gain even when a difference in input signal is large. The automatic gain control feedback amplifier includes: an amplification circuit unit configured to amplify voltage input from an input terminal and output the amplified voltage to an output terminal; a feedback circuit unit connected between the input terminal and the output terminal and including a feedback resistor unit of which a total resistance value is determined by one or more control signals and a feedback transistor connected to the feedback resistor unit in parallel; and a bias circuit unit configured to supply predetermined bias voltage to the feedback transistor.
Abstract translation: 公开了一种自动增益控制反馈放大器，其即使当输入信号的差异大时也可以任意地控制增益。 自动增益控制反馈放大器包括：放大电路单元，被配置为放大从输入端输入的电压，并将放大的电压输出到输出端; 连接在输入端子和输出端子之间的反馈电路单元，包括反馈电阻器单元，其总电阻值由一个或多个控制信号确定，反馈晶体管并联连接到反馈电阻器单元; 以及偏置电路单元，被配置为向所述反馈晶体管提供预定的偏置电压。
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公开(公告)号：US20140160689A1
公开(公告)日：2014-06-12
申请号：US13959666
申请日：2013-08-05
Inventor： Dong Min KANG , Chull Won Ju , Seong-Il Kim , Sang-Heung Lee , Jong-Won Lim , Hyung Sup Yoon , Jae Kyoung Mun , Eun Soo Nam
IPC: H05K1/02
CPC classification number: H01L23/66 , H01L23/49844 , H01L2223/6655 , H01L2224/48091 , H01L2224/49175 , H01L2924/3011 , H01L2924/00014 , H01L2924/00
Abstract: A package includes a ground plate, a chip mounting plate disposed at a side of the ground plate and having a top surface lower than a top surface of the ground plate, a chip on the chip mounting plate, a first input/output terminal opposite to the chip mounting plate and disposed at another side of the ground plate, and a second input/output terminal opposite to the ground plate and disposed at a side of the chip mounting plate. The first and second input/output terminals are electrically connected to the chip.
Abstract translation: 一种封装，包括接地板，设置在接地板一侧的芯片安装板，具有比接地板的顶表面低的顶表面，芯片安装板上的芯片，与第一输入/输出端子相对的第一输入/输出端子 芯片安装板并且设置在接地板的另一侧，以及与接地板相对的第二输入/输出端子，并且设置在芯片安装板的一侧。 第一和第二输入/输出端子与芯片电连接。
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