JP7352443B2 - 半導体装置の制御方法 - Google Patents
半導体装置の制御方法 Download PDFInfo
- Publication number
- JP7352443B2 JP7352443B2 JP2019199660A JP2019199660A JP7352443B2 JP 7352443 B2 JP7352443 B2 JP 7352443B2 JP 2019199660 A JP2019199660 A JP 2019199660A JP 2019199660 A JP2019199660 A JP 2019199660A JP 7352443 B2 JP7352443 B2 JP 7352443B2
- Authority
- JP
- Japan
- Prior art keywords
- semiconductor layer
- electrode
- control
- semiconductor
- control voltage
- 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.)
- Active
Links
- 239000004065 semiconductor Substances 0.000 title claims description 332
- 238000000034 method Methods 0.000 title claims description 36
- 239000012535 impurity Substances 0.000 description 11
- 238000002347 injection Methods 0.000 description 8
- 239000007924 injection Substances 0.000 description 8
- 230000004048 modification Effects 0.000 description 7
- 238000012986 modification Methods 0.000 description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 229910052814 silicon oxide Inorganic materials 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000779 depleting effect Effects 0.000 description 1
- 238000007562 laser obscuration time method Methods 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a 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
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/402—Field plates
- H01L29/407—Recessed field plates, e.g. trench field plates, buried field plates
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/02—Semiconductor bodies ; Multistep manufacturing processes therefor
- H01L29/06—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions
- H01L29/0603—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions characterised by particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions
- H01L29/0607—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions characterised by particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions for preventing surface leakage or controlling electric field concentration
- H01L29/0611—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions characterised by particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse biased devices
- H01L29/0615—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions characterised by particular constructional design considerations, e.g. for preventing surface leakage, for controlling electric field concentration or for internal isolations regions for preventing surface leakage or controlling electric field concentration for increasing or controlling the breakdown voltage of reverse biased devices by the doping profile or the shape or the arrangement of the PN junction, or with supplementary regions, e.g. junction termination extension [JTE]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/02—Semiconductor bodies ; Multistep manufacturing processes therefor
- H01L29/06—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions
- H01L29/0684—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions characterised by the shape, relative sizes or dispositions of the semiconductor regions or junctions between the regions
- H01L29/0692—Surface layout
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/41—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions
- H01L29/423—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions not carrying the current to be rectified, amplified or switched
- H01L29/42312—Gate electrodes for field effect devices
- H01L29/42316—Gate electrodes for field effect devices for field-effect transistors
- H01L29/4232—Gate electrodes for field effect devices for field-effect transistors with insulated gate
- H01L29/42356—Disposition, e.g. buried gate electrode
- H01L29/4236—Disposition, e.g. buried gate electrode within a trench, e.g. trench gate electrode, groove gate electrode
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/0048—Circuits or arrangements for reducing losses
- H02M1/0054—Transistor switching losses
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/08—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/003—Constructional details, e.g. physical layout, assembly, wiring or busbar connections
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/003—Constructional details, e.g. physical layout, assembly, wiring or busbar connections
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/53—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/537—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
- H02M7/5387—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/16—Modifications for eliminating interference voltages or currents
- H03K17/168—Modifications for eliminating interference voltages or currents in composite switches
-
- 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 potential barriers; including integrated passive circuit elements having potential barriers
- 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 potential barriers; including integrated passive circuit elements having potential barriers 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 potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including a plurality of individual components in a non-repetitive configuration
- H01L27/07—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 potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including a plurality of individual components in a non-repetitive configuration the components having an active region in common
- H01L27/0705—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 potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including a plurality of individual components in a non-repetitive configuration the components having an active region in common comprising components of the field effect type
- H01L27/0727—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 potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including a plurality of individual components in a non-repetitive configuration the components having an active region in common comprising components of the field effect type in combination with diodes, or capacitors or resistors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a 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
- H01L29/86—Types of semiconductor device ; Multistep manufacturing processes therefor controllable only by variation of the electric current supplied, or only the electric potential applied, to one or more of the electrodes carrying the current to be rectified, amplified, oscillated or switched
- H01L29/861—Diodes
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K2217/00—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00
- H03K2217/0045—Full bridges, determining the direction of the current through the load
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Ceramic Engineering (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
- Semiconductor Integrated Circuits (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
- Thyristors (AREA)
Description
図3(a)は、図2(a)に示す過程から図2(b)に示す過程を経て、図2(a)に示す過程に戻る間に、半導体装置RC3の第1制御端子MTと第1電極20との間に印加される制御電圧VG1を表している。
図3(b)は、図2(a)に示す過程から図2(b)に示す過程を経て、図2(a)に示す過程に戻る間に、半導体装置RC4の第1制御端子MTと第1電極20との間に印加される制御電圧VG2を表している。
なお、図3(a)および(b)中に示す「Ve」は、第1電極20の電位である。
図4(a)は、時間t1~t2における半導体装置RC3の動作に対応する。
図4(b)は、時間t2~t3における半導体装置RC3の動作に対応する。
図4(c)は、時間t3~t4における半導体装置RC3の動作に対応する。
図6(b)は、半導体装置RC3の第2制御端子STに供給される制御電圧に相当し、第2制御端子STと第1電極20との間に印加される制御電圧VG1Sを示している。
Claims (7)
- 第1面と、前記第1面とは反対側の第2面を有する半導体部と、
前記半導体部の前記第1面上に設けられた第1電極と、
前記半導体部の前記第2面上に設けられた第2電極と、
前記半導体部と前記第1電極との間に設けられた制御電極であって、前記半導体部の前記第1面側に設けられたトレンチの内部に配置され、前記半導体部から第1絶縁膜により電気的に絶縁され、前記第1電極から第2絶縁膜により電気的に絶縁された制御電極と、
を備え、
前記半導体部は、第1導電形の第1半導体層と、第2導電形の第2半導体層と、第1導電形の第3半導体層と、第2導電形の第4半導体層と、第1導電形の第5半導体層と、を含み、
前記第2半導体層は、前記第1半導体層と前記第1電極との間に位置し、前記第1絶縁膜を介して前記制御電極に向き合う部分を有し、
前記第3半導体層は、前記第2半導体層と前記第1電極との間に選択的に設けられ、前記第1絶縁膜に接する位置に配置され、
前記第4半導体層は、前記第1半導体層と前記第2電極との間に選択的に設けられ、
前記第5半導体層は、前記第1半導体層と前記第2電極との間に選択的に設けられ、前記第2電極に沿って、前記第4半導体層と並べて配置され、
前記第1電極は、前記第2半導体層および前記第3半導体層に電気的に接続され、
前記第2電極は、前記第4半導体層および前記第5半導体層に電気的に接続された半導体装置の制御方法であって、
前記第1半導体層と前記第2半導体層との間のpn接合が順方向にバイアスされ、次に、前記pn接合が逆方向にバイアスされる前の第1期間において、前記制御電極に第1制御電圧を印加し、
前記第1期間の後、前記pn接合が逆方向にバイアスされる前の第2期間において、前記制御電極に、前記第1制御電圧よりも高い第2制御電圧を印加し、
前記第2期間の後、前記pn接合が逆方向にバイアスされるまでの第3期間において、前記制御電極に、前記第1制御電圧よりも高く、前記第2制御電圧よりも低い第3制御電圧を印加し、
前記第1制御電圧は、前記第1電極の電位に対して負電圧であり、
前記第2制御電圧は、前記第1電極の電位に対して正電圧である制御方法。 - 前記第2制御電圧は、前記制御電極と前記第1電極との間の電位差が、前記制御電極の閾値電圧よりも高くなるように印加される請求項1記載の制御方法。
- 前記第3制御電圧は、前記制御電極と前記第1電極との間の電位差が、前記制御電極の閾値電圧よりも低くなるように印加される請求項1または2に記載の制御方法。
- 前記第3制御電圧は、前記pn接合が逆方向にバイアスされた後にも継続して印加される請求項1~3のいずれか1つに記載の制御方法。
- 前記制御電極は複数設けられ、
前記複数の制御電極のうちの第1制御電極に対し、前記第1~第3期間において前記第1~第3制御電圧をそれぞれ印加し、
前記複数の制御電極のうちの第2制御電極に対し、前記第1および第2期間において前記第1および前記第2制御電圧をそれぞれ印加し、前記第3期間において前記第3制御電
圧よりも低い第4制御電圧を印加する請求項1~4のいずれか1つに記載の制御方法。 - 第1面と、前記第1面とは反対側の第2面を有する半導体部と、
前記半導体部の前記第1面上に設けられた第1電極と、
前記半導体部の前記第2面上に設けられた第2電極と、
前記半導体部と前記第1電極との間に設けられた制御電極であって、前記半導体部の前記第1面側に設けられたトレンチの内部に配置され、前記半導体部から第1絶縁膜により電気的に絶縁され、前記第1電極から第2絶縁膜により電気的に絶縁された制御電極と、
を備え、
前記半導体部は、第1導電形の第1半導体層と、第2導電形の第2半導体層と、第1導電形の第3半導体層と、第2導電形の第4半導体層と、第1導電形の第5半導体層と、を含み、
前記第2半導体層は、前記第1半導体層と前記第1電極との間に位置し、前記第1絶縁膜を介して前記制御電極に向き合う部分を有し、
前記第3半導体層は、前記第2半導体層と前記第1電極との間に選択的に設けられ、前記第1絶縁膜に接する位置に配置され、
前記第4半導体層は、前記第1半導体層と前記第2電極との間に選択的に設けられ、
前記第5半導体層は、前記第1半導体層と前記第2電極との間に選択的に設けられ、前記第2電極に沿って、前記第4半導体層と並べて配置され、
前記第1電極は、前記第2半導体層および前記第3半導体層に電気的に接続され、
前記第2電極は、前記第4半導体層および前記第5半導体層に電気的に接続された半導体装置の制御方法であって、
前記第1半導体層と前記第2半導体層との間のpn接合が順方向にバイアスされ、次に、前記pn接合が逆方向にバイアスされる前の第1期間において、前記制御電極に第1制御電圧を印加し、
前記第1期間の後、前記pn接合が逆方向にバイアスされる前の第2期間において、前記制御電極に、前記第1制御電圧よりも高い第2制御電圧を印加し、
前記第2期間の後、前記pn接合が逆方向にバイアスされるまでの第3期間において、前記制御電極に、前記第1制御電圧よりも高く、前記第2制御電圧よりも低い第3制御電圧を印加し、
前記第3制御電圧は、前記制御電極と前記第1電極との間の電位差が、前記制御電極の閾値電圧よりも低くなるように印加される制御方法。 - 第1面と、前記第1面とは反対側の第2面を有する半導体部と、
前記半導体部の前記第1面上に設けられた第1電極と、
前記半導体部の前記第2面上に設けられた第2電極と、
前記半導体部と前記第1電極との間に設けられた複数の制御電極であって、前記半導体部の前記第1面側に設けられた複数のトレンチの内部にそれぞれ配置され、前記半導体部から第1絶縁膜により電気的に絶縁され、前記第1電極から第2絶縁膜により電気的に絶縁された複数の制御電極と、
を備え、
前記半導体部は、第1導電形の第1半導体層と、第2導電形の第2半導体層と、第1導電形の第3半導体層と、第2導電形の第4半導体層と、第1導電形の第5半導体層と、を含み、
前記第2半導体層は、前記第1半導体層と前記第1電極との間に位置し、前記第1絶縁膜を介して前記複数の制御電極のそれぞれに向き合う部分を有し、
前記第3半導体層は、前記第2半導体層と前記第1電極との間に選択的に設けられ、前記第1絶縁膜に接する位置に配置され、
前記第4半導体層は、前記第1半導体層と前記第2電極との間に選択的に設けられ、
前記第5半導体層は、前記第1半導体層と前記第2電極との間に選択的に設けられ、前記第2電極に沿って、前記第4半導体層と並べて配置され、
前記第1電極は、前記第2半導体層および前記第3半導体層に電気的に接続され、
前記第2電極は、前記第4半導体層および前記第5半導体層に電気的に接続された半導体装置の制御方法であって、
前記第1半導体層と前記第2半導体層との間のpn接合が順方向にバイアスされ、次に、前記pn接合が逆方向にバイアスされる前の第1期間において、前記複数の制御電極のうちの第1制御電極に第1制御電圧を印加し、前記第1期間の後、前記pn接合が逆方向にバイアスされる前の第2期間において、前記第1制御電極に前記第1制御電圧よりも高い第2制御電圧を印加し、前記第2期間の後、前記pn接合が逆方向にバイアスされるまでの第3期間において、前記第1制御電極に前記第1制御電圧よりも高く前記第2制御電圧よりも低い第3制御電圧を印加し、
前記第1期間において、前記複数の制御電極のうちの第2制御電極に前記第1制御電圧を印加し、前記第2期間において、前記第2制御電極に前記第2制御電圧を印加し、前記第3期間において、前記第2制御電極に前記第3制御電圧よりも低い第4制御電圧を印加する制御方法。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019199660A JP7352443B2 (ja) | 2019-11-01 | 2019-11-01 | 半導体装置の制御方法 |
US17/015,773 US11563112B2 (en) | 2019-11-01 | 2020-09-09 | Method for controlling semiconductor device |
CN202010951160.XA CN112786697B (zh) | 2019-11-01 | 2020-09-11 | 半导体装置的控制方法 |
US18/068,768 US11837654B2 (en) | 2019-11-01 | 2022-12-20 | Method for controlling semiconductor device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019199660A JP7352443B2 (ja) | 2019-11-01 | 2019-11-01 | 半導体装置の制御方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2021072408A JP2021072408A (ja) | 2021-05-06 |
JP7352443B2 true JP7352443B2 (ja) | 2023-09-28 |
Family
ID=75688815
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019199660A Active JP7352443B2 (ja) | 2019-11-01 | 2019-11-01 | 半導体装置の制御方法 |
Country Status (3)
Country | Link |
---|---|
US (2) | US11563112B2 (ja) |
JP (1) | JP7352443B2 (ja) |
CN (1) | CN112786697B (ja) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009101868A1 (ja) | 2008-02-14 | 2009-08-20 | Toyota Jidosha Kabushiki Kaisha | 逆導通半導体素子の駆動方法と半導体装置及び給電装置 |
JP2011096852A (ja) | 2009-10-29 | 2011-05-12 | Toyota Motor Corp | 給電装置 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000245137A (ja) * | 1999-02-18 | 2000-09-08 | Fuji Electric Co Ltd | 半導体素子の保護装置 |
JP2006049455A (ja) * | 2004-08-03 | 2006-02-16 | Fuji Electric Device Technology Co Ltd | トレンチ型絶縁ゲート半導体装置 |
JP4605251B2 (ja) * | 2007-06-14 | 2011-01-05 | 株式会社デンソー | 半導体装置 |
JP2010011609A (ja) | 2008-06-26 | 2010-01-14 | Toyota Motor Corp | インバータの駆動装置 |
JP2011009797A (ja) * | 2010-10-15 | 2011-01-13 | Sumitomo Electric Ind Ltd | ショットキーダイオードを有する半導体装置 |
JP5532062B2 (ja) | 2012-02-13 | 2014-06-25 | 株式会社デンソー | 逆導通スイッチング素子の駆動装置 |
JP2014187136A (ja) * | 2013-03-22 | 2014-10-02 | Toshiba Corp | 半導体装置 |
US9590616B2 (en) | 2013-07-10 | 2017-03-07 | Denso Corporation | Drive control device |
JP5935768B2 (ja) | 2013-07-10 | 2016-06-15 | 株式会社デンソー | 駆動制御装置 |
JP5939281B2 (ja) | 2013-07-10 | 2016-06-22 | 株式会社デンソー | 駆動制御装置 |
JP6337615B2 (ja) | 2014-05-27 | 2018-06-06 | 株式会社デンソー | Rc−igbt駆動回路 |
JP2016092163A (ja) | 2014-11-03 | 2016-05-23 | 株式会社デンソー | 半導体装置 |
DE102014119543B4 (de) | 2014-12-23 | 2018-10-11 | Infineon Technologies Ag | Halbleitervorrichtung mit transistorzellen und anreicherungszellen sowie leistungsmodul |
JP6350298B2 (ja) | 2015-01-21 | 2018-07-04 | 株式会社デンソー | 半導体装置 |
JP2016162855A (ja) * | 2015-02-27 | 2016-09-05 | 株式会社日立製作所 | 半導体装置およびそれを用いた電力変換装置 |
JP6414090B2 (ja) | 2016-01-27 | 2018-10-31 | 株式会社デンソー | 半導体装置 |
JP6658021B2 (ja) | 2016-02-03 | 2020-03-04 | 株式会社デンソー | 半導体装置 |
JP2018107693A (ja) * | 2016-12-27 | 2018-07-05 | ルネサスエレクトロニクス株式会社 | 半導体装置および電力変換装置 |
JP7068981B2 (ja) * | 2018-09-25 | 2022-05-17 | 三菱電機株式会社 | 半導体装置 |
-
2019
- 2019-11-01 JP JP2019199660A patent/JP7352443B2/ja active Active
-
2020
- 2020-09-09 US US17/015,773 patent/US11563112B2/en active Active
- 2020-09-11 CN CN202010951160.XA patent/CN112786697B/zh active Active
-
2022
- 2022-12-20 US US18/068,768 patent/US11837654B2/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009101868A1 (ja) | 2008-02-14 | 2009-08-20 | Toyota Jidosha Kabushiki Kaisha | 逆導通半導体素子の駆動方法と半導体装置及び給電装置 |
JP2011096852A (ja) | 2009-10-29 | 2011-05-12 | Toyota Motor Corp | 給電装置 |
Also Published As
Publication number | Publication date |
---|---|
US20230123438A1 (en) | 2023-04-20 |
CN112786697A (zh) | 2021-05-11 |
US11837654B2 (en) | 2023-12-05 |
CN112786697B (zh) | 2023-07-18 |
US11563112B2 (en) | 2023-01-24 |
JP2021072408A (ja) | 2021-05-06 |
US20210134991A1 (en) | 2021-05-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4893609B2 (ja) | 半導体装置とその半導体装置を備えている給電装置の駆動方法 | |
JP2009170670A (ja) | 半導体装置とその半導体装置を備えている給電装置の駆動方法 | |
JP2006332127A (ja) | 電力用半導体装置 | |
JP2007258363A (ja) | 半導体装置 | |
US10224425B2 (en) | Electric power converter | |
JP2016162855A (ja) | 半導体装置およびそれを用いた電力変換装置 | |
JP5458595B2 (ja) | 半導体装置、スイッチング装置、及び、半導体装置の制御方法。 | |
JP2020155472A (ja) | 半導体装置 | |
JP2016092163A (ja) | 半導体装置 | |
JPH10261791A (ja) | 半導体整流装置 | |
JP5454073B2 (ja) | 半導体モジュールとその制御方法 | |
JP4947230B2 (ja) | 半導体装置 | |
US11296076B2 (en) | Semiconductor device | |
JP7352443B2 (ja) | 半導体装置の制御方法 | |
JP7352437B2 (ja) | 半導体装置 | |
JP4687385B2 (ja) | 電力変換装置 | |
TWI855460B (zh) | 半導體裝置及電力變換裝置 | |
TWI847529B (zh) | 半導體裝置及電力轉換裝置 | |
WO2023188561A1 (ja) | 半導体装置および電力変換装置 | |
TWI836801B (zh) | 半導體裝置、半導體裝置之製造方法及電力變換裝置 | |
US10818750B2 (en) | Semiconductor device and method for controlling same | |
JP7364488B2 (ja) | 半導体装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20220314 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20230418 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20230420 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20230601 |
|
RD01 | Notification of change of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7421 Effective date: 20230623 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20230817 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20230915 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 7352443 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |