DE10123818B4 - Arrangement with protective function for a semiconductor component - Google Patents
Arrangement with protective function for a semiconductor component Download PDFInfo
- Publication number
- DE10123818B4 DE10123818B4 DE10123818A DE10123818A DE10123818B4 DE 10123818 B4 DE10123818 B4 DE 10123818B4 DE 10123818 A DE10123818 A DE 10123818A DE 10123818 A DE10123818 A DE 10123818A DE 10123818 B4 DE10123818 B4 DE 10123818B4
- Authority
- DE
- Germany
- Prior art keywords
- arrangement according
- gate
- mos transistor
- semiconductor device
- igbt
- 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.)
- Expired - Fee Related
Links
- 239000004065 semiconductor Substances 0.000 title claims abstract description 47
- 230000009993 protective function Effects 0.000 title claims abstract description 9
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 13
- 229910021421 monocrystalline silicon Inorganic materials 0.000 claims description 7
- 238000002513 implantation Methods 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 12
- 235000012239 silicon dioxide Nutrition 0.000 description 6
- 239000000377 silicon dioxide Substances 0.000 description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 3
- 239000002019 doping agent Substances 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier, e.g. PN junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/70—Bipolar devices
- H01L29/72—Transistor-type devices, i.e. able to continuously respond to applied control signals
- H01L29/739—Transistor-type devices, i.e. able to continuously respond to applied control signals controlled by field-effect, e.g. bipolar static induction transistors [BSIT]
- H01L29/7393—Insulated gate bipolar mode transistors, i.e. IGBT; IGT; COMFET
- H01L29/7395—Vertical transistors, e.g. vertical IGBT
- H01L29/7396—Vertical transistors, e.g. vertical IGBT with a non planar surface, e.g. with a non planar gate or with a trench or recess or pillar in the surface of the emitter, base or collector region for improving current density or short circuiting the emitter and base regions
- H01L29/7397—Vertical transistors, e.g. vertical IGBT with a non planar surface, e.g. with a non planar gate or with a trench or recess or pillar in the surface of the emitter, base or collector region for improving current density or short circuiting the emitter and base regions and a gate structure lying on a slanted or vertical surface or formed in a groove, e.g. trench gate IGBT
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier
- H01L27/0203—Particular design considerations for integrated circuits
- H01L27/0248—Particular design considerations for integrated circuits for electrical or thermal protection, e.g. electrostatic discharge [ESD] protection
- H01L27/0251—Particular design considerations for integrated circuits for electrical or thermal protection, e.g. electrostatic discharge [ESD] protection for MOS devices
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier
- H01L27/04—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier the substrate being a semiconductor body
- H01L27/06—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier the substrate being a semiconductor body including a plurality of individual components in a non-repetitive configuration
- H01L27/0688—Integrated circuits having a three-dimensional layout
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier
- H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier the substrate being other than a semiconductor body, e.g. an insulating body
- H01L27/1203—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier the substrate being other than a semiconductor body, e.g. an insulating body the substrate comprising an insulating body on a semiconductor body, e.g. SOI
Abstract
Anordnung
mit Schutzfunktion für
ein Halbleiterbauelement (11), insbesondere IGBT, umfassend:
– einen
Halbleiterkörper
(13, 15, 16, 22), in den das Halbleiterbauelement (11) integriert
ist, und
– eine
die Schutzfunktion bewirkende Einrichtung, die durch ein floatendes
Gebiet (22) des Halbleiterbauelementes (11) gesteuert ist,
dadurch
gekennzeichnet,
dass die Einrichtung einen MOS-Transistors
(10) enthält, dessen
Gateelektrode mit dem floatenden Gebiet (22) elektrisch verbunden
ist oder aus dem floatenden Gebiet (22) besteht.Arrangement with protective function for a semiconductor component (11), in particular IGBT, comprising:
- A semiconductor body (13, 15, 16, 22), in which the semiconductor device (11) is integrated, and
A protective function causing device controlled by a floating region (22) of the semiconductor device (11),
characterized,
in that the device comprises a MOS transistor (10) whose gate electrode is electrically connected to the floating region (22) or consists of the floating region (22).
Description
Die vorliegende Erfindung betrifft eine Anordnung mit Schutzfunktion, insbesondere Kurzschlussstrombegrenzung oder Abschaltung, für ein Halbleiterbauelement, insbesondere einen IGBT, umfassend: einen Halbleiterkörper, in den das Halbleiterbauelement integriert ist, und eine die Schutzfunktion bewirkende Einrichtung, die durch ein floatendes Gebiet des Halbleiterbauelements gesteuert ist.The The present invention relates to an arrangement with protective function, in particular short-circuit current limiting or disconnection, for a semiconductor component, in particular an IGBT, comprising: a semiconductor body, in the semiconductor device is integrated, and a protective function causing Device passing through a floating region of the semiconductor device is controlled.
Bei Graben- bzw. Trench-IGBTs kann durch eine gegenüber planaren IGBTs wesentlich erhöhte Kanalweite der Spannungsabfall im MOS-Kanal des IGBTs erheblich verringert werden, so dass mit solchen Trench-IGBTs eine sehr niedrige Durchlassspannung erreicht werden kann. Nachteilhaft an solchen Trench-IGBTs ist aber, dass sich der in einem Kurzschlussfall fließende Strom, also der Strom, der bei eingeschaltetem MOS-Kanal und gleichzeitig hoher anliegender Kollektor-Emitter-Spannung fließt, proportional zur Kanalweite erhöht, was die Kurzschlussfestigkeit erheblich beeinträchtigt. Das heißt, ohne Zusatzmaßnahmen kann mit Trench-IGBTs mit großer Kanalweite keine Kurzschlussfestigkeit erreicht werden.at Trench IGBTs can be essential due to their planar IGBTs increased channel width the voltage drop in the MOS channel of the IGBT is significantly reduced so that with such trench IGBTs a very low forward voltage can be achieved. A disadvantage of such trench IGBTs, however, is that the current flowing in a short circuit, ie the current, when the MOS channel is switched on and at the same time higher Collector-emitter voltage flows, proportionally increased to channel width, which significantly affects the short-circuit resistance. That is, without additional measures can with big trench IGBTs Channel width no short-circuit strength can be achieved.
Gewöhnliche Anforderungen hierfür liegen im Bereich von etwa 10 μs: diese Zeitspanne muss ein IGBT im Kurzschlusszustand überstehen, und er muss danach noch zuverlässig abgeschaltet werden können.ordinary Requirements for this lie in the range of about 10 μs: this period of time must survive an IGBT in the short-circuited state, and he still has to be reliable after that can be turned off.
Im
Einzelnen ist die Grundstruktur eines Trench-IGBTs beispielsweise
in
Eine
andere Möglichkeit,
in Trench-IGBTs Kurzschlussfestigkeit zu erreichen, besteht darin,
deren Kanalweite zu verringern. IGBTs dieser Art sind beispielsweise
in der bereits erwähnten
Weiterhin
ist aus
Schließlich ist
eine Anordnung der eingangs genannten Art aus
Es ist Aufgabe der vorliegenden Erfindung, eine Anordnung anzugeben, mit der auf einfache Weise beispielsweise in einem Trench-IGBT Kurzschlussfestigkeit erreicht werden kann.It The object of the present invention is to specify an arrangement with the easy way, for example, in a trench IGBT short-circuit strength can be achieved.
Diese Aufgabe wird bei einer Anordnung der eingangs genannten Art erfindungsgemäß dadurch gelöst, dass die Einrichtung einen MOS-Transistor enthält, dessen Gateelektrode mit dem floatenden Gebiet elektrisch verbunden ist oder aus dem floatenden Gebiet besteht.These The object is achieved in an arrangement of the type mentioned in the present invention that the device includes a MOS transistor, the gate electrode with is electrically connected to the floating area or from the floating Territory.
Die Schutzfunktion kann durch eine Strombegrenzung für das Halbleiterbauelement oder ein Abschalten des Halbleiterbauelements bewirkt werden. Das Halbleiterbauelement kann ein durch ein MOS-Gate gesteuertes Bauelement sein. Der MOS-Transistor kann elektrisch zwischen Source bzw. Emitter des Halbleiterbauelements und Gate des Halbleiterbauelements angeordnet sein.The Protection can be provided by a current limit for the semiconductor device or a shutdown of the semiconductor device can be effected. The Semiconductor device may be a controlled by a MOS gate device be. The MOS transistor can electrically between source and emitter of the semiconductor device and gate of the semiconductor device may be arranged.
Die
Einrichtung der erfindungsgemäßen Anordnung
lässt sich
als Halbleiterbauelement beispielsweise mit einem IGBT oder einem
EST (EST = Emitter Switched Thyristor) integrieren. Diese Einrichtung
baut auf dem aus
Alternativ kann für die Einrichtung auch ein in das Halbleiterbauelement integrierter oder extern angebrachter n-Kanal-MOS-Transistor verwendet werden.alternative can for the device also has an integrated into the semiconductor device or externally mounted n-channel MOS transistor be used.
Auf jeden Fall dient die Einrichtung dazu, beispielsweise das Gatepotential eines IGBTs als Halbleiterbauelement so zu steuern, dass der Kurzschlussstrom auf einen für Kurzschlussfestigkeit hinreichend niedrigen Wert begrenzt ist. Dies geschieht im einfachsten Fall dadurch, dass die Einrichtung zwischen Gate und Emitter des IGBTs geschaltet wird. Durch Anlegen einer positiven Gatespannung am MOS-Transistor der Einrichtung kann dann dieser eingeschaltet werden, wodurch das Gate des IGBTs auf Emitterpotenzial gelegt und der IGBT ausgeschaltet wird. Wird zusätzlich zwischen den die Einrichtung bildenden MOS-Transistor und das Gate des IGBTs noch eine Zenerdiode eingefügt, so zieht der MOS-Transistor das Gate nicht auf Emitterpotenzial, sondern begrenzt die Gatespannung auf die Zenerdiodenspannung von beispielsweise 10 bis 12 V. In diesem Fall wird eine Strombegrenzung auf einem Wert erhalten, der durch die Zenerdiodenspannung, also beispielsweise 10 bis 12 V, bestimmt ist.On in each case, the device is used for this purpose, for example the gate potential to control an IGBT as a semiconductor device so that the short-circuit current on one for Short circuit resistance is limited to a sufficiently low value. This In the simplest case, this happens through the fact that the device is between Gate and emitter of the IGBTs is switched. By creating a positive gate voltage at the MOS transistor of the device can then this can be turned on, reducing the gate of the IGBTs to emitter potential placed and the IGBT is turned off. In addition, between the the device forming MOS transistor and the gate of the IGBTs still a Zener diode inserted, so the MOS transistor does not pull the gate to emitter potential, but rather limits the gate voltage to the zener diode voltage of, for example 10 to 12 V. In this case, a current limit on one Value obtained by the Zener diode voltage, so for example 10 to 12 V, is determined.
Wird eine zweite Zenerdiode antiseriell zur ersten Zenerdiode vorgesehen, deren Durchbruchspannung höher ist als der maximale Betrag der negativen Gatespannung, so wird die Möglich keit geschaffen, mit der IGBT-Ansteuerung eine negative Gatespannung am IGBT anzulegen.Becomes a second Zener diode is provided antiserially to the first Zener diode, their breakdown voltage higher is considered the maximum amount of negative gate voltage, so will the possibility created, with the IGBT control a negative gate voltage to invest in the IGBT.
Eine
positive Gatespannung an dem die Einrichtung bildenden MOS-Transistor
kann in der folgenden Weise erhalten werden:
In dem das Halbleiterbauelement
bildenden IGBT werden an dessen Oberfläche ein oder mehrere p-leitende
Gebiete vorgesehen, die nicht an ein festes Potenzial, beispielsweise
das Emitter- oder Kollektorpotenzial, angeschlossen sind. Derartige
floatende Gebiete sind beispielsweise aus der bereits erwähnten
In the semiconductor device forming the IGBT one or more p-type regions are provided on its surface, which are not connected to a fixed potential, such as the emitter or collector potential. Such floating areas are for example from the already mentioned
Ein wesentlicher Vorteil der erfindungsgemäßen Anordnung liegt darin, dass in kritischen Betriebszuständen des Halbleiterbauelementes, insbesondere des IGBTs, eine Strombegrenzung ohne Zusatzchip erreicht wird, während im normalen Durchlasszustand die hohe Kanalleitfähigkeit unvermindert für eine niedrige Durchlassspannung zur Verfügung steht. Um dies zu erreichen, wird das Potenzial des floatenden Gebietes im Halbleiterbauelement, insbesondere einem IGBT oder EST, zur Steuerung der Kurzschlussstrombegrenzung verwendet. Außerdem dient das floatende dotierte Gebiet im einkristallinen Halbleiterkörper aus insbesondere Silizium als Gate für den die Einrichtung bildenden MOS-Transistor, der gegebenenfalls auch aus polykristallinem Silizium, wie dies oben erläutert wurde, bestehen kann.One The essential advantage of the arrangement according to the invention is that that in critical operating conditions of the semiconductor component, in particular of the IGBT, a current limiting without additional chip is achieved while in the normal state of passage, the high channel conductivity unabated for a low Forward voltage is available. To achieve this, the potential of the floating area in the semiconductor device, in particular an IGBT or EST, for control used the short-circuit current limit. In addition, the floating serves doped region in the monocrystalline semiconductor body, in particular silicon as a gate for the device forming MOS transistor, if necessary also made of polycrystalline silicon, as explained above, can exist.
Nachfolgend wird die Erfindung anhand der Zeichnungen näher erläutert. Es zeigen:following The invention will be explained in more detail with reference to the drawings. Show it:
Es
sei angemerkt, dass bei einer Integration dieser Struktur in den
IGBT gemäß
Bei
dem MOS-Transistor von
Es
ist möglich,
die Zonen
Die
in
Durch
Anlegen einer positiven Gatespannung an Gate
Anstelle
der p-leitenden Gebiete
In
In
In
Der
MOS-Transistor
Als
Gate des MOS-Transistors
In
einem Zeitpunkt, in welchem ein Gatetest durchgeführt wird,
um beispielsweise den Leckstrom bei einer vorgegebenen Gate-Emitter-Spannung
zwischen Gate G und Emitter E zu messen, ist in vorteilhafter Weise
die Verbindung zwischen dem Gate des IGBTs
Im
Ausführungsbeispiel
von
Die
p-leitende Dotierung in der Bulkzone
Ein
tatsächlich
hergestellter IGBT kann als Ausführungsbeispiel
der erfindungsgemäßen Anordnung
neben den Gebieten der in
Bei
der Herstellung der Anordnung des Ausführungsbeispiels von
Das
Ausführungsbeispiel
von
Die angegebenen Leitfähigkeitstypen können, worauf bereits hingewiesen wurde, jeweils auch umgekehrt sein. Ebenso ist es möglich, anstelle von Silizium gegebenenfalls auch ein anderes Halbleitermaterial zu verwenden.The specified conductivity types can, which has already been pointed out, in each case also be the other way round. As well Is it possible, optionally also another semiconductor material instead of silicon to use.
Bei
der erfindungsgemäßen Anordnung
können
ohne weiteres alle Komponenten, also der MOS-Transistor
Die
Erfindung ist in vorteilhafter Weise auf alle Halbleiterbauelemente
anwendbar, bei denen der Laststrom durch ein MOS-Gate kontrolliert wird. Dies gilt insbesondere
für Leistungshalbleiterbauelemente,
in denen ein Teil des Laststromes als Löcherstrom speziell bei der
in einem IGBT üblichen
Abfolge und Polarität
der Dotierungsgebiete fließt.
In diesem Fall kann dann der am floatenden p-leitenden Gebiet
Claims (26)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10123818A DE10123818B4 (en) | 2001-03-02 | 2001-05-16 | Arrangement with protective function for a semiconductor component |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10110141.4 | 2001-03-02 | ||
DE10110141 | 2001-03-02 | ||
DE10123818A DE10123818B4 (en) | 2001-03-02 | 2001-05-16 | Arrangement with protective function for a semiconductor component |
Publications (2)
Publication Number | Publication Date |
---|---|
DE10123818A1 DE10123818A1 (en) | 2002-09-19 |
DE10123818B4 true DE10123818B4 (en) | 2006-09-07 |
Family
ID=7676111
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE10123818A Expired - Fee Related DE10123818B4 (en) | 2001-03-02 | 2001-05-16 | Arrangement with protective function for a semiconductor component |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE10123818B4 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008064686B4 (en) * | 2007-05-25 | 2014-04-10 | Mitsubishi Electric Corp. | Semiconductor device |
DE102014220056A1 (en) | 2014-10-02 | 2016-04-07 | Infineon Technologies Ag | Semiconductor device with sensor potential in the active area |
US9536999B2 (en) | 2014-09-08 | 2017-01-03 | Infineon Technologies Ag | Semiconductor device with control structure including buried portions and method of manufacturing |
US9935126B2 (en) | 2014-09-08 | 2018-04-03 | Infineon Technologies Ag | Method of forming a semiconductor substrate with buried cavities and dielectric support structures |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10334780B3 (en) | 2003-07-30 | 2005-04-21 | Infineon Technologies Ag | Semiconductor device with a MOSFET structure and a Zenier device and method for producing the same |
KR101870808B1 (en) * | 2016-06-03 | 2018-06-27 | 현대오트론 주식회사 | Power semiconductor device and method of fabricating the same |
DE102021125271A1 (en) | 2021-09-29 | 2023-03-30 | Infineon Technologies Ag | Power semiconductor device Method of manufacturing a power semiconductor device |
Citations (6)
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---|---|---|---|---|
US4996575A (en) * | 1989-08-29 | 1991-02-26 | David Sarnoff Research Center, Inc. | Low leakage silicon-on-insulator CMOS structure and method of making same |
US5329142A (en) * | 1991-08-08 | 1994-07-12 | Kabushiki Kaisha Toshiba | Self turn-off insulated-gate power semiconductor device with injection-enhanced transistor structure |
US5448083A (en) * | 1991-08-08 | 1995-09-05 | Kabushiki Kaisha Toshiba | Insulated-gate semiconductor device |
DE19651108A1 (en) * | 1996-04-11 | 1997-10-16 | Mitsubishi Electric Corp | Semiconductor component, e.g. IGBT, for high voltage inverter |
EP0847090A2 (en) * | 1996-12-06 | 1998-06-10 | SEMIKRON Elektronik GmbH | Trench gate structure IGBT |
DE19530664C2 (en) * | 1994-08-30 | 1998-10-15 | Int Rectifier Corp | Power MOSFET with overload protection circuit |
-
2001
- 2001-05-16 DE DE10123818A patent/DE10123818B4/en not_active Expired - Fee Related
Patent Citations (7)
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US4996575A (en) * | 1989-08-29 | 1991-02-26 | David Sarnoff Research Center, Inc. | Low leakage silicon-on-insulator CMOS structure and method of making same |
US5329142A (en) * | 1991-08-08 | 1994-07-12 | Kabushiki Kaisha Toshiba | Self turn-off insulated-gate power semiconductor device with injection-enhanced transistor structure |
US5448083A (en) * | 1991-08-08 | 1995-09-05 | Kabushiki Kaisha Toshiba | Insulated-gate semiconductor device |
US5585651A (en) * | 1991-08-08 | 1996-12-17 | Kabushiki Kaisha Toshiba | Insulated-gate semiconductor device having high breakdown voltages |
DE19530664C2 (en) * | 1994-08-30 | 1998-10-15 | Int Rectifier Corp | Power MOSFET with overload protection circuit |
DE19651108A1 (en) * | 1996-04-11 | 1997-10-16 | Mitsubishi Electric Corp | Semiconductor component, e.g. IGBT, for high voltage inverter |
EP0847090A2 (en) * | 1996-12-06 | 1998-06-10 | SEMIKRON Elektronik GmbH | Trench gate structure IGBT |
Non-Patent Citations (3)
Title |
---|
S.Robb et al.: Current Sensing in IGBTs for Short- Circuits Protection, Proc. ISPSD '94 Davos 15 (1994), S. 81-85 |
S.Robb et al.: Current Sensing in IGBTs for Short-Circuits Protection, Proc. ISPSD '94 Davos 15 (1994), S. 81-85 * |
Z.Shen et al.: Comparative Study of Integrated Current Sensors in N-channel IGBTs, Proc. ISPSD '94 * |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008064686B4 (en) * | 2007-05-25 | 2014-04-10 | Mitsubishi Electric Corp. | Semiconductor device |
US9484444B2 (en) | 2007-05-25 | 2016-11-01 | Mitsubishi Electric Corporation | Semiconductor device with a resistance element in a trench |
US9536999B2 (en) | 2014-09-08 | 2017-01-03 | Infineon Technologies Ag | Semiconductor device with control structure including buried portions and method of manufacturing |
US9917186B2 (en) | 2014-09-08 | 2018-03-13 | Infineon Technologies Ag | Semiconductor device with control structure including buried portions and method of manufacturing |
US9935126B2 (en) | 2014-09-08 | 2018-04-03 | Infineon Technologies Ag | Method of forming a semiconductor substrate with buried cavities and dielectric support structures |
US10312258B2 (en) | 2014-09-08 | 2019-06-04 | Infineon Technologies Ag | Semiconductor device with buried cavities and dielectric support structures |
DE102014220056A1 (en) | 2014-10-02 | 2016-04-07 | Infineon Technologies Ag | Semiconductor device with sensor potential in the active area |
US10096531B2 (en) | 2014-10-02 | 2018-10-09 | Infineon Technologies Ag | Semiconductor device with sensor potential in the active region |
DE102014220056B4 (en) | 2014-10-02 | 2019-02-14 | Infineon Technologies Ag | Semiconductor device with sensor potential in the active area |
Also Published As
Publication number | Publication date |
---|---|
DE10123818A1 (en) | 2002-09-19 |
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