JP2009135547A - 高電圧トランジスタの製造方法 - Google Patents
高電圧トランジスタの製造方法 Download PDFInfo
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- JP2009135547A JP2009135547A JP2009067053A JP2009067053A JP2009135547A JP 2009135547 A JP2009135547 A JP 2009135547A JP 2009067053 A JP2009067053 A JP 2009067053A JP 2009067053 A JP2009067053 A JP 2009067053A JP 2009135547 A JP2009135547 A JP 2009135547A
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- Junction Field-Effect Transistors (AREA)
Abstract
【解決手段】1つ以上のJFET伝導チャネルを有するHVFETの作製方法は、垂直方向に異なる深さで堆積される第1の複数の埋込層を形成すべく、第2伝導型の第1エピタキシャル層に第1伝導型のドーパントを連続的に打込む工程を備える。第2エピタキシャル層は前記第1エピタキシャル層の上に形成され、打込みは、前記第1の複数の埋込層に平行にスタックされる関係で第2の複数の埋込層を形成すべく繰返し処理される。この要約書は、調査者又はその他の読者による技術的開示のサブジェクトマターの迅速な確認を可能とする要約書を要求する規則に応じて、提供される。請求項の範囲又は意味を解釈又は限定するためには用いられないという理解のもと、この要約書を提出する。
【選択図】図1E
Description
Claims (10)
- 高電圧電界効果トランジスタ(HVFET)の延長されたドレインを製造する方法であって、
第1伝導型の第1エピタキシャル層を第2伝導型の基層の上に形成する工程と、
周囲が第1エピタキシャル層によって囲まれた第2伝導型の第1埋込層を形成すべく前記第1エピタキシャル層に第1ドーパントを打込む工程であって、前記打込みは前記第1エピタキシャル層に1つ以上の付加的な埋込層を製造するために異なるエネルギで連続的に実行され、前記1つ以上の付加的な埋込層のそれぞれは、前記第1エピタキシャル層の前記上部表面から垂直方向に異なる深さで堆積される工程と、
第1伝導型の第2エピタキシャル層を前記第1エピタキシャル層の上部表面の上に形成する工程と、
周囲が第2エピタキシャル層によって囲まれた第2伝導型の第2埋込層を形成すべく前記第2エピタキシャル層に第2ドーパントを打込む工程と、
を具備することを特徴とする方法。 - 前記第1及び第2埋込層は、第1伝導型のJFET伝導チャネルが前記第1埋込層と前記第2埋込層との間に形成されるように、前記第2エピタキシャル層の上部表面から垂直方向の異なる深さとなる位置に設けられる請求項1に記載の方法。
- 前記第1埋込層は、前記基層の上部表面から離れるよう間隔がおかれている請求項1に記載の方法。
- 前記第2埋込層は、前記第2エピタキシャル層の前記上部表面から離れるよう間隔がおかれている請求項1に記載の方法。
- 前記第1及び第2ドーパントは同一である請求項1に記載の方法。
- 第1伝導型はN型であり、第2伝導型はP型である請求項1に記載の方法。
- 前記第1及び第2埋込層は、実質的に平行となる構成で垂直方向に離れるよう間隔がおかれている請求項1に記載の方法。
- 前記第1エピタキシャル層に前記第1ドーパントを打込む工程の前に、前記第1エピタキシャル層の前記上部表面の上に、第1厚さ及び第2厚さを有する第1マスク層を形成する工程を具備する請求項1に記載の方法。
- 前記第2エピタキシャル層に前記第2ドーパントを打込む工程の前に、前記第2エピタキシャル層の前記上部表面の上に、第1厚さ及び第2厚さを有する第2マスク層を形成する工程を具備する請求項1に記載の方法。
- 前記第2エピタキシャル層に前記第2ドーパントを打込む工程は、前記第2エピタキシャル層に1つ以上の付加的な埋込層を製造するために、異なるエネルギで連続的に実行され、
前記1つ以上の付加的な埋込層のそれぞれは、前記第2エピタキシャル層の前記上部表面から垂直方向に異なる深さで堆積される、請求項1に記載の方法。
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016526804A (ja) * | 2013-07-12 | 2016-09-05 | パワー・インテグレーションズ・インコーポレーテッド | 複数の注入層をもつ高電圧電界効果トランジスタ |
JP2017527110A (ja) * | 2014-08-07 | 2017-09-14 | 日本テキサス・インスツルメンツ株式会社 | カスケードされたリサーフ注入及び二重バッファを備えるldmosデバイスのための方法及び装置 |
Families Citing this family (71)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6768171B2 (en) * | 2000-11-27 | 2004-07-27 | Power Integrations, Inc. | High-voltage transistor with JFET conduction channels |
US6555873B2 (en) * | 2001-09-07 | 2003-04-29 | Power Integrations, Inc. | High-voltage lateral transistor with a multi-layered extended drain structure |
US6635544B2 (en) | 2001-09-07 | 2003-10-21 | Power Intergrations, Inc. | Method of fabricating a high-voltage transistor with a multi-layered extended drain structure |
US6573558B2 (en) * | 2001-09-07 | 2003-06-03 | Power Integrations, Inc. | High-voltage vertical transistor with a multi-layered extended drain structure |
US7786533B2 (en) * | 2001-09-07 | 2010-08-31 | Power Integrations, Inc. | High-voltage vertical transistor with edge termination structure |
US7221011B2 (en) * | 2001-09-07 | 2007-05-22 | Power Integrations, Inc. | High-voltage vertical transistor with a multi-gradient drain doping profile |
US6686244B2 (en) * | 2002-03-21 | 2004-02-03 | General Semiconductor, Inc. | Power semiconductor device having a voltage sustaining region that includes doped columns formed with a single ion implantation step |
US6835993B2 (en) * | 2002-08-27 | 2004-12-28 | International Rectifier Corporation | Bidirectional shallow trench superjunction device with resurf region |
US7015104B1 (en) * | 2003-05-29 | 2006-03-21 | Third Dimension Semiconductor, Inc. | Technique for forming the deep doped columns in superjunction |
US6927453B2 (en) * | 2003-09-30 | 2005-08-09 | Agere Systems Inc. | Metal-oxide-semiconductor device including a buried lightly-doped drain region |
EP1706899A4 (en) * | 2003-12-19 | 2008-11-26 | Third Dimension 3D Sc Inc | PLANARIZATION PROCESS FOR MANUFACTURING SUPERJUNCTION DEVICE |
US7041560B2 (en) * | 2003-12-19 | 2006-05-09 | Third Dimension (3D) Semiconductor, Inc. | Method of manufacturing a superjunction device with conventional terminations |
KR20070038945A (ko) * | 2003-12-19 | 2007-04-11 | 써드 디멘존 세미컨덕터, 인코포레이티드 | 수퍼 접합 장치의 제조 방법 |
KR20070029655A (ko) * | 2003-12-19 | 2007-03-14 | 써드 디멘존 세미컨덕터, 인코포레이티드 | 넓은 메사를 갖는 수퍼 접합 장치의 제조 방법 |
US7023069B2 (en) * | 2003-12-19 | 2006-04-04 | Third Dimension (3D) Semiconductor, Inc. | Method for forming thick dielectric regions using etched trenches |
US7126166B2 (en) * | 2004-03-11 | 2006-10-24 | Semiconductor Components Industries, L.L.C. | High voltage lateral FET structure with improved on resistance performance |
US7268395B2 (en) | 2004-06-04 | 2007-09-11 | International Rectifier Corporation | Deep trench super switch device |
TWI401749B (zh) * | 2004-12-27 | 2013-07-11 | Third Dimension 3D Sc Inc | 用於高電壓超接面終止之方法 |
US7439583B2 (en) | 2004-12-27 | 2008-10-21 | Third Dimension (3D) Semiconductor, Inc. | Tungsten plug drain extension |
JP2006222395A (ja) * | 2005-02-14 | 2006-08-24 | Nec Electronics Corp | 半導体装置 |
KR20080028858A (ko) * | 2005-04-22 | 2008-04-02 | 아이스모스 테크날러지 코포레이션 | 산화물 라인드 트렌치를 갖는 슈퍼 접합 장치 및 그 제조방법 |
US8692324B2 (en) * | 2005-07-13 | 2014-04-08 | Ciclon Semiconductor Device Corp. | Semiconductor devices having charge balanced structure |
US7446018B2 (en) | 2005-08-22 | 2008-11-04 | Icemos Technology Corporation | Bonded-wafer superjunction semiconductor device |
US7804150B2 (en) * | 2006-06-29 | 2010-09-28 | Fairchild Semiconductor Corporation | Lateral trench gate FET with direct source-drain current path |
US8093621B2 (en) | 2008-12-23 | 2012-01-10 | Power Integrations, Inc. | VTS insulated gate bipolar transistor |
US8653583B2 (en) * | 2007-02-16 | 2014-02-18 | Power Integrations, Inc. | Sensing FET integrated with a high-voltage transistor |
US7468536B2 (en) | 2007-02-16 | 2008-12-23 | Power Integrations, Inc. | Gate metal routing for transistor with checkerboarded layout |
US7859037B2 (en) | 2007-02-16 | 2010-12-28 | Power Integrations, Inc. | Checkerboarded high-voltage vertical transistor layout |
US7557406B2 (en) * | 2007-02-16 | 2009-07-07 | Power Integrations, Inc. | Segmented pillar layout for a high-voltage vertical transistor |
US7595523B2 (en) * | 2007-02-16 | 2009-09-29 | Power Integrations, Inc. | Gate pullback at ends of high-voltage vertical transistor structure |
US7723172B2 (en) | 2007-04-23 | 2010-05-25 | Icemos Technology Ltd. | Methods for manufacturing a trench type semiconductor device having a thermally sensitive refill material |
US8580651B2 (en) * | 2007-04-23 | 2013-11-12 | Icemos Technology Ltd. | Methods for manufacturing a trench type semiconductor device having a thermally sensitive refill material |
US20090085148A1 (en) * | 2007-09-28 | 2009-04-02 | Icemos Technology Corporation | Multi-directional trenching of a plurality of dies in manufacturing superjunction devices |
US7875962B2 (en) * | 2007-10-15 | 2011-01-25 | Power Integrations, Inc. | Package for a power semiconductor device |
US7846821B2 (en) * | 2008-02-13 | 2010-12-07 | Icemos Technology Ltd. | Multi-angle rotation for ion implantation of trenches in superjunction devices |
US8030133B2 (en) | 2008-03-28 | 2011-10-04 | Icemos Technology Ltd. | Method of fabricating a bonded wafer substrate for use in MEMS structures |
JP2010016284A (ja) * | 2008-07-07 | 2010-01-21 | Toyota Central R&D Labs Inc | 半導体装置 |
US7964912B2 (en) | 2008-09-18 | 2011-06-21 | Power Integrations, Inc. | High-voltage vertical transistor with a varied width silicon pillar |
US20100155831A1 (en) * | 2008-12-20 | 2010-06-24 | Power Integrations, Inc. | Deep trench insulated gate bipolar transistor |
US7871882B2 (en) | 2008-12-20 | 2011-01-18 | Power Integrations, Inc. | Method of fabricating a deep trench insulated gate bipolar transistor |
US8207455B2 (en) * | 2009-07-31 | 2012-06-26 | Power Integrations, Inc. | Power semiconductor package with bottom surface protrusions |
US8115457B2 (en) | 2009-07-31 | 2012-02-14 | Power Integrations, Inc. | Method and apparatus for implementing a power converter input terminal voltage discharge circuit |
US8207577B2 (en) * | 2009-09-29 | 2012-06-26 | Power Integrations, Inc. | High-voltage transistor structure with reduced gate capacitance |
US7893754B1 (en) | 2009-10-02 | 2011-02-22 | Power Integrations, Inc. | Temperature independent reference circuit |
US8634218B2 (en) * | 2009-10-06 | 2014-01-21 | Power Integrations, Inc. | Monolithic AC/DC converter for generating DC supply voltage |
DE102009051745B4 (de) * | 2009-11-03 | 2017-09-21 | Austriamicrosystems Ag | Hochvolt-Transistor mit Mehrfach-Dielektrikum und Herstellungsverfahren |
JP2011100847A (ja) * | 2009-11-05 | 2011-05-19 | Sharp Corp | 半導体装置及びその製造方法 |
US8310845B2 (en) * | 2010-02-10 | 2012-11-13 | Power Integrations, Inc. | Power supply circuit with a control terminal for different functional modes of operation |
US8268697B2 (en) * | 2010-03-19 | 2012-09-18 | Monolithic Power Systems, Inc. | Silicon-on-insulator devices with buried depletion shield layer |
US8164125B2 (en) * | 2010-05-07 | 2012-04-24 | Power Integrations, Inc. | Integrated transistor and anti-fuse as programming element for a high-voltage integrated circuit |
CN102148251B (zh) * | 2011-01-10 | 2013-01-30 | 电子科技大学 | Soi横向mosfet器件和集成电路 |
US9450056B2 (en) | 2012-01-17 | 2016-09-20 | Taiwan Semiconductor Manufacturing Company, Ltd. | Lateral DMOS device with dummy gate |
US8946814B2 (en) | 2012-04-05 | 2015-02-03 | Icemos Technology Ltd. | Superjunction devices having narrow surface layout of terminal structures, buried contact regions and trench gates |
US8653600B2 (en) | 2012-06-01 | 2014-02-18 | Power Integrations, Inc. | High-voltage monolithic schottky device structure |
US8952478B2 (en) * | 2013-04-24 | 2015-02-10 | Infineon Technologies Austria Ag | Radiation conversion device and method of manufacturing a radiation conversion device |
US9455621B2 (en) | 2013-08-28 | 2016-09-27 | Power Integrations, Inc. | Controller IC with zero-crossing detector and capacitor discharge switching element |
US9543396B2 (en) | 2013-12-13 | 2017-01-10 | Power Integrations, Inc. | Vertical transistor device structure with cylindrically-shaped regions |
US10325988B2 (en) | 2013-12-13 | 2019-06-18 | Power Integrations, Inc. | Vertical transistor device structure with cylindrically-shaped field plates |
US9269808B2 (en) | 2014-02-21 | 2016-02-23 | Vanguard International Semiconductor Corporation | Method and apparatus for power device with depletion structure |
US9306034B2 (en) * | 2014-02-24 | 2016-04-05 | Vanguard International Semiconductor Corporation | Method and apparatus for power device with multiple doped regions |
US9608107B2 (en) | 2014-02-27 | 2017-03-28 | Vanguard International Semiconductor Corporation | Method and apparatus for MOS device with doped region |
CN103904121A (zh) * | 2014-03-31 | 2014-07-02 | 电子科技大学 | 一种横向高压器件及其制造方法 |
CN103915503A (zh) * | 2014-03-31 | 2014-07-09 | 电子科技大学 | 一种横向高压mos器件及其制造方法 |
JP6388509B2 (ja) * | 2014-08-19 | 2018-09-12 | ラピスセミコンダクタ株式会社 | 半導体装置および半導体装置の製造方法 |
CN104409519A (zh) * | 2014-11-10 | 2015-03-11 | 电子科技大学 | 一种具有浮岛结构的二极管 |
US9667154B2 (en) | 2015-09-18 | 2017-05-30 | Power Integrations, Inc. | Demand-controlled, low standby power linear shunt regulator |
US9602009B1 (en) | 2015-12-08 | 2017-03-21 | Power Integrations, Inc. | Low voltage, closed loop controlled energy storage circuit |
US9629218B1 (en) | 2015-12-28 | 2017-04-18 | Power Integrations, Inc. | Thermal protection for LED bleeder in fault condition |
CN105720089B (zh) * | 2016-02-16 | 2018-10-26 | 上海华虹宏力半导体制造有限公司 | 超级结及其制造方法 |
RU2650814C1 (ru) * | 2016-12-29 | 2018-04-17 | Акционерное общество "Научно-производственное предприятие "Пульсар" | Структура кристалла высоковольтного полупроводникового прибора, высоковольтной интегральной микросхемы (варианты) |
JPWO2021182236A1 (ja) * | 2020-03-13 | 2021-09-16 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09266311A (ja) * | 1996-01-22 | 1997-10-07 | Fuji Electric Co Ltd | 半導体装置及びその製造方法 |
WO1999056321A1 (de) * | 1998-04-23 | 1999-11-04 | Infineon Technologies Ag | Lateraler hochvolt-seitenwandtransistor |
US6168983B1 (en) * | 1996-11-05 | 2001-01-02 | Power Integrations, Inc. | Method of making a high-voltage transistor with multiple lateral conduction layers |
JP2002026320A (ja) * | 2000-07-12 | 2002-01-25 | Fuji Electric Co Ltd | 双方向超接合半導体素子およびその製造方法 |
Family Cites Families (57)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5638867A (en) | 1979-09-07 | 1981-04-14 | Hitachi Ltd | Insulated gate type field effect transistor |
JPS5712558A (en) | 1980-06-25 | 1982-01-22 | Sanyo Electric Co Ltd | Mos transistor having high withstand voltage |
JPS5710975A (en) | 1980-06-25 | 1982-01-20 | Sanyo Electric Co Ltd | High dielectric strength high transistor |
JPS5712557A (en) | 1980-06-25 | 1982-01-22 | Sanyo Electric Co Ltd | High dielectric resisting mos transistor |
GB2089119A (en) | 1980-12-10 | 1982-06-16 | Philips Electronic Associated | High voltage semiconductor devices |
US4626879A (en) | 1982-12-21 | 1986-12-02 | North American Philips Corporation | Lateral double-diffused MOS transistor devices suitable for source-follower applications |
JPS6064471A (ja) | 1983-09-19 | 1985-04-13 | Nec Corp | 高電圧絶縁ゲ−ト型電界効果トランジスタ |
US4618541A (en) | 1984-12-21 | 1986-10-21 | Advanced Micro Devices, Inc. | Method of forming a silicon nitride film transparent to ultraviolet radiation and resulting article |
US4665426A (en) | 1985-02-01 | 1987-05-12 | Advanced Micro Devices, Inc. | EPROM with ultraviolet radiation transparent silicon nitride passivation layer |
US4873564A (en) * | 1985-10-22 | 1989-10-10 | Harris Corporation | Conductivity-modulated FET with improved pinch off-ron performance |
US4963951A (en) | 1985-11-29 | 1990-10-16 | General Electric Company | Lateral insulated gate bipolar transistors with improved latch-up immunity |
US5264719A (en) * | 1986-01-07 | 1993-11-23 | Harris Corporation | High voltage lateral semiconductor device |
US4764800A (en) | 1986-05-07 | 1988-08-16 | Advanced Micro Devices, Inc. | Seal structure for an integrated circuit |
US5010024A (en) | 1987-03-04 | 1991-04-23 | Advanced Micro Devices, Inc. | Passivation for integrated circuit structures |
US4811075A (en) | 1987-04-24 | 1989-03-07 | Power Integrations, Inc. | High voltage MOS transistors |
JPH01112764A (ja) | 1987-10-27 | 1989-05-01 | Nec Corp | 半導体装置 |
US4926074A (en) | 1987-10-30 | 1990-05-15 | North American Philips Corporation | Semiconductor switch with parallel lateral double diffused MOS transistor and lateral insulated gate transistor |
US4939566A (en) | 1987-10-30 | 1990-07-03 | North American Philips Corporation | Semiconductor switch with parallel DMOS and IGT |
US4890146A (en) | 1987-12-16 | 1989-12-26 | Siliconix Incorporated | High voltage level shift semiconductor device |
US4922327A (en) | 1987-12-24 | 1990-05-01 | University Of Toronto Innovations Foundation | Semiconductor LDMOS device with upper and lower passages |
US5025296A (en) | 1988-02-29 | 1991-06-18 | Motorola, Inc. | Center tapped FET |
US5237193A (en) | 1988-06-24 | 1993-08-17 | Siliconix Incorporated | Lightly doped drain MOSFET with reduced on-resistance |
EP0371785B1 (en) | 1988-11-29 | 1996-05-01 | Kabushiki Kaisha Toshiba | Lateral conductivity modulated MOSFET |
JP2877408B2 (ja) | 1990-01-12 | 1999-03-31 | 株式会社東芝 | 導電変調型mosfet |
JP2597412B2 (ja) | 1990-03-20 | 1997-04-09 | 三菱電機株式会社 | 半導体装置およびその製造方法 |
US5040045A (en) | 1990-05-17 | 1991-08-13 | U.S. Philips Corporation | High voltage MOS transistor having shielded crossover path for a high voltage connection bus |
JP2991753B2 (ja) | 1990-08-27 | 1999-12-20 | 松下電子工業株式会社 | 半導体装置及びその製造方法 |
US5386136A (en) | 1991-05-06 | 1995-01-31 | Siliconix Incorporated | Lightly-doped drain MOSFET with improved breakdown characteristics |
US5146298A (en) | 1991-08-16 | 1992-09-08 | Eklund Klas H | Device which functions as a lateral double-diffused insulated gate field effect transistor or as a bipolar transistor |
US5258636A (en) | 1991-12-12 | 1993-11-02 | Power Integrations, Inc. | Narrow radius tips for high voltage semiconductor devices with interdigitated source and drain electrodes |
US5270264A (en) | 1991-12-20 | 1993-12-14 | Intel Corporation | Process for filling submicron spaces with dielectric |
JP3435173B2 (ja) | 1992-07-10 | 2003-08-11 | 株式会社日立製作所 | 半導体装置 |
JP3076468B2 (ja) | 1993-01-26 | 2000-08-14 | 松下電子工業株式会社 | 半導体装置 |
US5313082A (en) | 1993-02-16 | 1994-05-17 | Power Integrations, Inc. | High voltage MOS transistor with a low on-resistance |
DE4309764C2 (de) | 1993-03-25 | 1997-01-30 | Siemens Ag | Leistungs-MOSFET |
US5349225A (en) | 1993-04-12 | 1994-09-20 | Texas Instruments Incorporated | Field effect transistor with a lightly doped drain |
US5424663A (en) * | 1993-04-22 | 1995-06-13 | North American Philips Corporation | Integrated high voltage differential sensor using the inverse gain of high voltage transistors |
US5324683A (en) | 1993-06-02 | 1994-06-28 | Motorola, Inc. | Method of forming a semiconductor structure having an air region |
US5523604A (en) | 1994-05-13 | 1996-06-04 | International Rectifier Corporation | Amorphous silicon layer for top surface of semiconductor device |
US5494853A (en) | 1994-07-25 | 1996-02-27 | United Microelectronics Corporation | Method to solve holes in passivation by metal layout |
US5521105A (en) | 1994-08-12 | 1996-05-28 | United Microelectronics Corporation | Method of forming counter-doped island in power MOSFET |
US5550405A (en) | 1994-12-21 | 1996-08-27 | Advanced Micro Devices, Incorporated | Processing techniques for achieving production-worthy, low dielectric, low interconnect resistance and high performance ICS |
US5656543A (en) | 1995-02-03 | 1997-08-12 | National Semiconductor Corporation | Fabrication of integrated circuits with borderless vias |
US5670828A (en) | 1995-02-21 | 1997-09-23 | Advanced Micro Devices, Inc. | Tunneling technology for reducing intra-conductive layer capacitance |
US5659201A (en) | 1995-06-05 | 1997-08-19 | Advanced Micro Devices, Inc. | High conductivity interconnection line |
KR100188096B1 (ko) | 1995-09-14 | 1999-06-01 | 김광호 | 반도체 장치 및 그 제조 방법 |
US6037632A (en) * | 1995-11-06 | 2000-03-14 | Kabushiki Kaisha Toshiba | Semiconductor device |
US5637898A (en) | 1995-12-22 | 1997-06-10 | North Carolina State University | Vertical field effect transistors having improved breakdown voltage capability and low on-state resistance |
DE59707158D1 (de) | 1996-02-05 | 2002-06-06 | Infineon Technologies Ag | Durch feldeffekt steuerbares halbleiterbauelement |
WO1998020562A1 (en) * | 1996-11-05 | 1998-05-14 | Power Integrations, Inc. | High-voltage transistor with multi-layer conduction region and method of making the same |
US6207994B1 (en) * | 1996-11-05 | 2001-03-27 | Power Integrations, Inc. | High-voltage transistor with multi-layer conduction region |
KR100228331B1 (ko) | 1996-12-30 | 1999-11-01 | 김영환 | 반도체 소자의 삼중웰 제조 방법 |
JP3393544B2 (ja) | 1997-02-26 | 2003-04-07 | シャープ株式会社 | 半導体装置の製造方法 |
WO1999034449A2 (en) | 1997-12-24 | 1999-07-08 | Koninklijke Philips Electronics N.V. | A high voltage thin film transistor with improved on-state characteristics and method for making same |
US5998833A (en) | 1998-10-26 | 1999-12-07 | North Carolina State University | Power semiconductor devices having improved high frequency switching and breakdown characteristics |
US6768171B2 (en) * | 2000-11-27 | 2004-07-27 | Power Integrations, Inc. | High-voltage transistor with JFET conduction channels |
US6468847B1 (en) * | 2000-11-27 | 2002-10-22 | Power Integrations, Inc. | Method of fabricating a high-voltage transistor |
-
2002
- 2002-05-02 US US10/137,625 patent/US6509220B2/en not_active Expired - Lifetime
- 2002-07-31 JP JP2002258268A patent/JP4369648B2/ja not_active Expired - Fee Related
- 2002-08-16 EP EP12193349.3A patent/EP2562819A3/en not_active Withdrawn
- 2002-08-16 EP EP02255739A patent/EP1359623A3/en not_active Withdrawn
-
2009
- 2009-03-18 JP JP2009067053A patent/JP5072117B2/ja not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09266311A (ja) * | 1996-01-22 | 1997-10-07 | Fuji Electric Co Ltd | 半導体装置及びその製造方法 |
US6168983B1 (en) * | 1996-11-05 | 2001-01-02 | Power Integrations, Inc. | Method of making a high-voltage transistor with multiple lateral conduction layers |
WO1999056321A1 (de) * | 1998-04-23 | 1999-11-04 | Infineon Technologies Ag | Lateraler hochvolt-seitenwandtransistor |
JP2002026320A (ja) * | 2000-07-12 | 2002-01-25 | Fuji Electric Co Ltd | 双方向超接合半導体素子およびその製造方法 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2016526804A (ja) * | 2013-07-12 | 2016-09-05 | パワー・インテグレーションズ・インコーポレーテッド | 複数の注入層をもつ高電圧電界効果トランジスタ |
JP2017527110A (ja) * | 2014-08-07 | 2017-09-14 | 日本テキサス・インスツルメンツ株式会社 | カスケードされたリサーフ注入及び二重バッファを備えるldmosデバイスのための方法及び装置 |
Also Published As
Publication number | Publication date |
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US6509220B2 (en) | 2003-01-21 |
JP4369648B2 (ja) | 2009-11-25 |
EP1359623A2 (en) | 2003-11-05 |
EP2562819A2 (en) | 2013-02-27 |
JP5072117B2 (ja) | 2012-11-14 |
US20020132405A1 (en) | 2002-09-19 |
EP1359623A3 (en) | 2009-11-04 |
EP2562819A3 (en) | 2016-06-08 |
JP2003332570A (ja) | 2003-11-21 |
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