WO2000002250A1 - Vertikales halbleiterbauelement mit reduziertem elektrischem oberflächenfeld - Google Patents
Vertikales halbleiterbauelement mit reduziertem elektrischem oberflächenfeld Download PDFInfo
- Publication number
- WO2000002250A1 WO2000002250A1 PCT/DE1999/002039 DE9902039W WO0002250A1 WO 2000002250 A1 WO2000002250 A1 WO 2000002250A1 DE 9902039 W DE9902039 W DE 9902039W WO 0002250 A1 WO0002250 A1 WO 0002250A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- semiconductor body
- regions
- vertical
- semiconductor
- zone
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D12/00—Bipolar devices controlled by the field effect, e.g. insulated-gate bipolar transistors [IGBT]
- H10D12/01—Manufacture or treatment
- H10D12/031—Manufacture or treatment of IGBTs
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/01—Manufacture or treatment
- H10D30/021—Manufacture or treatment of FETs having insulated gates [IGFET]
- H10D30/028—Manufacture or treatment of FETs having insulated gates [IGFET] of double-diffused metal oxide semiconductor [DMOS] FETs
- H10D30/0291—Manufacture or treatment of FETs having insulated gates [IGFET] of double-diffused metal oxide semiconductor [DMOS] FETs of vertical DMOS [VDMOS] FETs
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/64—Double-diffused metal-oxide semiconductor [DMOS] FETs
- H10D30/66—Vertical DMOS [VDMOS] FETs
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D62/00—Semiconductor bodies, or regions thereof, of devices having potential barriers
- H10D62/10—Shapes, relative sizes or dispositions of the regions of the semiconductor bodies; Shapes of the semiconductor bodies
- H10D62/102—Constructional design considerations for preventing surface leakage or controlling electric field concentration
- H10D62/103—Constructional design considerations for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse-biased devices
- H10D62/105—Constructional design considerations for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse-biased devices by having particular doping profiles, shapes or arrangements of PN junctions; by having supplementary regions, e.g. junction termination extension [JTE]
- H10D62/106—Constructional design considerations for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse-biased devices by having particular doping profiles, shapes or arrangements of PN junctions; by having supplementary regions, e.g. junction termination extension [JTE] having supplementary regions doped oppositely to or in rectifying contact with regions of the semiconductor bodies, e.g. guard rings with PN or Schottky junctions
- H10D62/107—Buried supplementary regions, e.g. buried guard rings
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D62/00—Semiconductor bodies, or regions thereof, of devices having potential barriers
- H10D62/10—Shapes, relative sizes or dispositions of the regions of the semiconductor bodies; Shapes of the semiconductor bodies
- H10D62/102—Constructional design considerations for preventing surface leakage or controlling electric field concentration
- H10D62/103—Constructional design considerations for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse-biased devices
- H10D62/105—Constructional design considerations for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse-biased devices by having particular doping profiles, shapes or arrangements of PN junctions; by having supplementary regions, e.g. junction termination extension [JTE]
- H10D62/109—Reduced surface field [RESURF] PN junction structures
- H10D62/111—Multiple RESURF structures, e.g. double RESURF or 3D-RESURF structures
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D62/00—Semiconductor bodies, or regions thereof, of devices having potential barriers
- H10D62/80—Semiconductor bodies, or regions thereof, of devices having potential barriers characterised by the materials
- H10D62/83—Semiconductor bodies, or regions thereof, of devices having potential barriers characterised by the materials being Group IV materials, e.g. B-doped Si or undoped Ge
- H10D62/832—Semiconductor bodies, or regions thereof, of devices having potential barriers characterised by the materials being Group IV materials, e.g. B-doped Si or undoped Ge being Group IV materials comprising two or more elements, e.g. SiGe
- H10D62/8325—Silicon carbide
Definitions
- the invention relates to a vertical semiconductor component with a semiconductor body of the one conduction type, in the surface area of which at least one zone of the opposite conduction type is embedded, the other conduction type, and to regions of the other conduction type which are in the semiconductor body in a substantially parallel to the surface of the surface area trending level are provided.
- Such semiconductor components can in particular be n- or p-channel MOSFETs (MOS field effect transistors), IGBTs (bipolar transistors with insulated gate),
- a Schottky diode in whose semiconductor bodies of one line type are embedded floating regions of the other line type to increase the reverse voltage, is known from US Pat. No. 4,134,123.
- MOSFETs made of SiC with a high breakdown field strength and a low on resistance are known.
- This object is achieved according to the invention in the case of a vertical semiconductor component of the type mentioned at the outset in that the regions are so highly doped that they are formed in the reverse direction and in the forward direction when the voltage is applied, by the semiconductor body with the zone of the other conductivity type.
- the pn junction on charge carriers cannot be cleared.
- the regions can be floating or partially or all can be at a fixed potential.
- An effective reduction of the electrical surface field can be achieved by installing the non-clearable, preferably floating regions with dopants with a conductivity type opposite to the semiconductor body, for example by installing p-type regions in an n-type semiconductor body.
- This is particularly advantageous in the case of a semiconductor body made of SiC, since with this semiconductor material, due to its very high volume breakthrough field strength (approx. 2 MV / cm compared to approx. 250 kV / cm for Si), a reduction in the surface field in the area of thermal oxides (Silicon dioxide about 8 MV / cm) is necessary in order to be able to utilize the maximum blocking capability of semiconductor components, for example transistors, produced therefrom even with small oxide thicknesses.
- the vertical distance between the zone of the other line type and the preferably floating areas is selected such that the vertical line integral between the lower edge of this zone facing away from the surface of the zone of the other line type and that of this zone the upper edge of the preferably floating regions facing the doping remains below the specific breakdown charge (charge carrier "cm -2 ) which is dependent on the material of the semiconductor body.
- charge carrier "cm -2 ) which is dependent on the material of the semiconductor body.
- the line integral therefore remains below 2" 10 12 charge carriers cm -2 .
- Other possible semiconductor materials are Ge, GaAs and - as already mentioned - especially SiC.
- the line integral is thus formed perpendicular to the pn junction between the zone of the other conductivity type and the semiconductor body via the doping in it.
- the preferably floating areas are formed in a point, strip or lattice shape.
- the majority charge carrier current is influenced as little as possible, for example in the drift path of a vertical power MOSFET.
- these regions can optionally also be connected at some points to the well of the transistor which is at source potential. This allows a significant reduction in the electrical surface field in the areas between the respective troughs to be achieved.
- the invention enables a significant increase in the doping concentration “above” the preferred floating regions, that is to say between these and the surface of the semiconductor body. This increase in doping results in a homogeneous current distribution and a reduction in the on-resistance.
- thermal SiO can readily be used as gate insulation as a result of the reduced surface field.
- the semiconductor component according to the invention can be produced, for example, by implantation of the preferably floating regions and subsequent deposition of an epitaxial cover layer or by etching a trench (trench), implantation and filling with monocrystalline semiconductor material.
- a trench trench
- the doping is already to be defined for the semiconductor body during the manufacturing process.
- FIG. 1 shows a sectional illustration of a robust n-channel MOSFET as an exemplary embodiment of the semiconductor component according to the invention
- the n-channel MOSFET consists of a silicon semiconductor body with an n + -type semiconductor substrate 2 and an n-type semiconductor layer 1 thereon, a metallization 3 made of, for example, aluminum and with a drain electrode D, a p-type well 4, an n conductive source zone 5, a source metallization 6 made of, for example, aluminum, an insulating layer 7 made of, for example, silicon dioxide and a gate electrode 10 made of, for example, doped polycrystalline silicon.
- p-type regions 8 are provided at such a vertical distance from the source zone 5 that the vertical line integral via the doping of the semiconductor layer 1 remains below approximately 2 "10 12 charge carriers cm -2 .
- the areas 8 are point, strip or lattice-shaped and have dimensions which are approximately 1-3 ⁇ m. In some places, the areas 8 can also be connected to the tub 4. The areas 8, however, can also all be floating.
- the doping concentration in the regions 8 is approximately 10 17 charge carriers cm "3 and is so high that these regions with the voltage applied in the reverse direction and in the forward direction of that formed between the trough 4 and the semiconductor layer 1 pn transition on charge carriers cannot be cleared.
- the regions 8 ensure a homogeneous distribution of the current, as indicated by arrows 9, and bring about a reduction in the on-resistance.
- the reduction in the surface field achieved by the regions 8 permits a significant increase in the doping in the semiconductor layer 2 above these regions 8, which is particularly advantageous in the case of SiC.
- the invention is also applicable to other semiconductor materials, as explained above.
- the semiconductor component according to the invention can be, for example, n- or p-channel MOS power transistors, IGBTs, JFETs, GTOs or diodes.
- FIG. 2 and 3 show top views of cell structures with a grid-like (FIG. 2) or strip-like (FIG. 3) configuration of the regions 8.
Landscapes
- Electrodes Of Semiconductors (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
- Junction Field-Effect Transistors (AREA)
- Thyristors (AREA)
Abstract
Description
Claims
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020017000132A KR20010074650A (ko) | 1998-07-07 | 1999-07-02 | 감소된 표면 전계를 가진 수직 반도체 부품 |
| EP99944266A EP1095408A1 (de) | 1998-07-07 | 1999-07-02 | Vertikales halbleiterbauelement mit reduziertem elektrischem oberflachenfeld |
| JP2000558555A JP2002520816A (ja) | 1998-07-07 | 1999-07-02 | 表面電界の低減されたバーティカル半導体素子 |
| US09/756,539 US6847091B2 (en) | 1998-07-07 | 2001-01-08 | Vertical semiconductor component having a reduced electrical surface field |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19830332A DE19830332C2 (de) | 1998-07-07 | 1998-07-07 | Vertikales Halbleiterbauelement mit reduziertem elektrischem Oberflächenfeld |
| DE19830332.7 | 1998-07-07 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US09/756,539 Continuation US6847091B2 (en) | 1998-07-07 | 2001-01-08 | Vertical semiconductor component having a reduced electrical surface field |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2000002250A1 true WO2000002250A1 (de) | 2000-01-13 |
Family
ID=7873234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/DE1999/002039 Ceased WO2000002250A1 (de) | 1998-07-07 | 1999-07-02 | Vertikales halbleiterbauelement mit reduziertem elektrischem oberflächenfeld |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US6847091B2 (de) |
| EP (1) | EP1095408A1 (de) |
| JP (1) | JP2002520816A (de) |
| KR (1) | KR20010074650A (de) |
| DE (1) | DE19830332C2 (de) |
| WO (1) | WO2000002250A1 (de) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6630698B1 (en) | 1998-09-02 | 2003-10-07 | Infineon Ag | High-voltage semiconductor component |
| DE10214176A1 (de) * | 2002-03-28 | 2003-10-23 | Infineon Technologies Ag | Halbleiterbauelement mit einer vergrabenen Stoppzone und Verfahren zur Herstellung einer Stoppzone in einem Halbleiterbauelement |
| US6819089B2 (en) | 2001-11-09 | 2004-11-16 | Infineon Technologies Ag | Power factor correction circuit with high-voltage semiconductor component |
| US6825514B2 (en) | 2001-11-09 | 2004-11-30 | Infineon Technologies Ag | High-voltage semiconductor component |
| US7749876B2 (en) | 2002-09-20 | 2010-07-06 | Infineon Technologies Ag | Method for the production of a buried stop zone in a semiconductor component and semiconductor component comprising a buried stop zone |
| CN110224017A (zh) * | 2019-04-30 | 2019-09-10 | 上海功成半导体科技有限公司 | 超结器件结构及其制备方法 |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10145723A1 (de) * | 2001-09-17 | 2003-04-10 | Infineon Technologies Ag | Halbleiterstruktur |
| US6465304B1 (en) * | 2001-10-04 | 2002-10-15 | General Semiconductor, Inc. | Method for fabricating a power semiconductor device having a floating island voltage sustaining layer |
| US6649477B2 (en) * | 2001-10-04 | 2003-11-18 | General Semiconductor, Inc. | Method for fabricating a power semiconductor device having a voltage sustaining layer with a terraced trench facilitating formation of floating islands |
| US8004049B2 (en) * | 2004-08-31 | 2011-08-23 | Freescale Semiconductor, Inc. | Power semiconductor device |
| US7687841B2 (en) * | 2005-08-02 | 2010-03-30 | Micron Technology, Inc. | Scalable high performance carbon nanotube field effect transistor |
| US8492829B2 (en) * | 2008-09-01 | 2013-07-23 | Rohm Co., Ltd. | Semiconductor device having super junction metal oxide semiconductor structure and fabrication method for the same |
| US8154078B2 (en) * | 2010-02-17 | 2012-04-10 | Vanguard International Semiconductor Corporation | Semiconductor structure and fabrication method thereof |
| US8373449B2 (en) | 2010-12-30 | 2013-02-12 | Infineon Technologies Ag | Circuit arrangement including a common source sense-FET |
| US9076805B2 (en) | 2012-07-14 | 2015-07-07 | Infineon Technologies Ag | Current sense transistor with embedding of sense transistor cells |
| JP6111673B2 (ja) * | 2012-07-25 | 2017-04-12 | 住友電気工業株式会社 | 炭化珪素半導体装置 |
| US9530844B2 (en) * | 2012-12-28 | 2016-12-27 | Cree, Inc. | Transistor structures having reduced electrical field at the gate oxide and methods for making same |
| US10115815B2 (en) | 2012-12-28 | 2018-10-30 | Cree, Inc. | Transistor structures having a deep recessed P+ junction and methods for making same |
| JP6148070B2 (ja) | 2013-05-27 | 2017-06-14 | ルネサスエレクトロニクス株式会社 | 縦チャネル型ジャンクションSiCパワーFETおよびその製造方法 |
| EP2889915A1 (de) * | 2013-12-30 | 2015-07-01 | ABB Technology AG | Leistungshalbleiterbauelement |
| US9360879B2 (en) | 2014-04-28 | 2016-06-07 | Microsemi Corp.-Analog Mixed Signal Group, Ltd. | Sense current generation apparatus and method |
| CN107742646A (zh) * | 2017-09-21 | 2018-02-27 | 北京世纪金光半导体有限公司 | 一种具有掩埋悬浮结的碳化硅平面栅mosfet器件元胞结构 |
| US10615274B2 (en) | 2017-12-21 | 2020-04-07 | Cree, Inc. | Vertical semiconductor device with improved ruggedness |
| US11489069B2 (en) | 2017-12-21 | 2022-11-01 | Wolfspeed, Inc. | Vertical semiconductor device with improved ruggedness |
| DE102018112109B4 (de) * | 2018-05-18 | 2025-04-30 | Infineon Technologies Ag | Siliziumcarbid halbleiterbauelement |
| US10516372B1 (en) * | 2018-07-03 | 2019-12-24 | Nxp B.V. | Low cost LF driver current sense topology |
| KR102369048B1 (ko) * | 2020-07-02 | 2022-03-02 | 현대모비스 주식회사 | 전력 반도체 소자 및 그 제조 방법 |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4654679A (en) * | 1983-10-05 | 1987-03-31 | Toyo Denki Seizo Kabushiki Kaisha | Static induction thyristor with stepped-doping gate region |
| JPS63186475A (ja) * | 1987-01-29 | 1988-08-02 | Nissan Motor Co Ltd | 電導度変調形mosfet |
| US4821095A (en) * | 1987-03-12 | 1989-04-11 | General Electric Company | Insulated gate semiconductor device with extra short grid and method of fabrication |
| JPH0193169A (ja) * | 1987-10-02 | 1989-04-12 | Semiconductor Res Found | 電力用半導体素子 |
| EP0426252A2 (de) * | 1989-11-01 | 1991-05-08 | Philips Electronics Uk Limited | Halbleiteranordnung und Verfahren zu ihrer Herstellung |
| US5438215A (en) * | 1993-03-25 | 1995-08-01 | Siemens Aktiengesellschaft | Power MOSFET |
| DE19707513A1 (de) * | 1997-02-25 | 1998-09-24 | Siemens Ag | Durch Feldeffekt steuerbares Halbleiterbauelement |
Family Cites Families (7)
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| GB1558506A (en) * | 1976-08-09 | 1980-01-03 | Mullard Ltd | Semiconductor devices having a rectifying metalto-semicondductor junction |
| JPS5368086A (en) * | 1976-11-29 | 1978-06-17 | Fujitsu Ltd | Semiconductor device |
| JPS5737879A (en) * | 1980-08-18 | 1982-03-02 | Nec Corp | Field effect transistor |
| US5218226A (en) * | 1989-11-01 | 1993-06-08 | U.S. Philips Corp. | Semiconductor device having high breakdown voltage |
| US5608244A (en) * | 1992-04-28 | 1997-03-04 | Mitsubishi Denki Kabushiki Kaisha | Semiconductor diode with reduced recovery current |
| SE9704149D0 (sv) * | 1997-11-13 | 1997-11-13 | Abb Research Ltd | A semiconductor device of SiC and a transistor of SiC having an insulated gate |
| DE19816448C1 (de) * | 1998-04-14 | 1999-09-30 | Siemens Ag | Universal-Halbleiterscheibe für Hochspannungs-Halbleiterbauelemente, ihr Herstellungsverfahren und ihre Verwendung |
-
1998
- 1998-07-07 DE DE19830332A patent/DE19830332C2/de not_active Expired - Fee Related
-
1999
- 1999-07-02 WO PCT/DE1999/002039 patent/WO2000002250A1/de not_active Ceased
- 1999-07-02 JP JP2000558555A patent/JP2002520816A/ja not_active Withdrawn
- 1999-07-02 EP EP99944266A patent/EP1095408A1/de not_active Withdrawn
- 1999-07-02 KR KR1020017000132A patent/KR20010074650A/ko not_active Withdrawn
-
2001
- 2001-01-08 US US09/756,539 patent/US6847091B2/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4654679A (en) * | 1983-10-05 | 1987-03-31 | Toyo Denki Seizo Kabushiki Kaisha | Static induction thyristor with stepped-doping gate region |
| JPS63186475A (ja) * | 1987-01-29 | 1988-08-02 | Nissan Motor Co Ltd | 電導度変調形mosfet |
| US4821095A (en) * | 1987-03-12 | 1989-04-11 | General Electric Company | Insulated gate semiconductor device with extra short grid and method of fabrication |
| JPH0193169A (ja) * | 1987-10-02 | 1989-04-12 | Semiconductor Res Found | 電力用半導体素子 |
| EP0426252A2 (de) * | 1989-11-01 | 1991-05-08 | Philips Electronics Uk Limited | Halbleiteranordnung und Verfahren zu ihrer Herstellung |
| US5438215A (en) * | 1993-03-25 | 1995-08-01 | Siemens Aktiengesellschaft | Power MOSFET |
| DE19707513A1 (de) * | 1997-02-25 | 1998-09-24 | Siemens Ag | Durch Feldeffekt steuerbares Halbleiterbauelement |
Non-Patent Citations (2)
| Title |
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| PATENT ABSTRACTS OF JAPAN vol. 012, no. 465 (E - 690) 7 December 1988 (1988-12-07) * |
| PATENT ABSTRACTS OF JAPAN vol. 013, no. 325 (E - 792) 21 July 1989 (1989-07-21) * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6630698B1 (en) | 1998-09-02 | 2003-10-07 | Infineon Ag | High-voltage semiconductor component |
| US6894329B2 (en) | 1998-09-02 | 2005-05-17 | Infineon Technologies Ag | High-voltage semiconductor component |
| US6960798B2 (en) | 1998-09-02 | 2005-11-01 | Infineon Technologies Ag | High-voltage semiconductor component |
| US6819089B2 (en) | 2001-11-09 | 2004-11-16 | Infineon Technologies Ag | Power factor correction circuit with high-voltage semiconductor component |
| US6825514B2 (en) | 2001-11-09 | 2004-11-30 | Infineon Technologies Ag | High-voltage semiconductor component |
| US6828609B2 (en) | 2001-11-09 | 2004-12-07 | Infineon Technologies Ag | High-voltage semiconductor component |
| DE10214176A1 (de) * | 2002-03-28 | 2003-10-23 | Infineon Technologies Ag | Halbleiterbauelement mit einer vergrabenen Stoppzone und Verfahren zur Herstellung einer Stoppzone in einem Halbleiterbauelement |
| DE10214176B4 (de) * | 2002-03-28 | 2010-09-02 | Infineon Technologies Ag | Halbleiterbauelement mit einer vergrabenen Stoppzone und Verfahren zur Herstellung einer Stoppzone in einem Halbleiterbauelement |
| US7749876B2 (en) | 2002-09-20 | 2010-07-06 | Infineon Technologies Ag | Method for the production of a buried stop zone in a semiconductor component and semiconductor component comprising a buried stop zone |
| CN110224017A (zh) * | 2019-04-30 | 2019-09-10 | 上海功成半导体科技有限公司 | 超结器件结构及其制备方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| US20010020732A1 (en) | 2001-09-13 |
| EP1095408A1 (de) | 2001-05-02 |
| KR20010074650A (ko) | 2001-08-04 |
| DE19830332C2 (de) | 2003-04-17 |
| US6847091B2 (en) | 2005-01-25 |
| JP2002520816A (ja) | 2002-07-09 |
| DE19830332A1 (de) | 2000-01-20 |
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