JP2018046246A - 半導体装置、半導体装置の製造方法、インバータ回路、駆動装置、車両、及び、昇降機 - Google Patents
半導体装置、半導体装置の製造方法、インバータ回路、駆動装置、車両、及び、昇降機 Download PDFInfo
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- JP2018046246A JP2018046246A JP2016181948A JP2016181948A JP2018046246A JP 2018046246 A JP2018046246 A JP 2018046246A JP 2016181948 A JP2016181948 A JP 2016181948A JP 2016181948 A JP2016181948 A JP 2016181948A JP 2018046246 A JP2018046246 A JP 2018046246A
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- 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
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/7801—DMOS transistors, i.e. MISFETs with a channel accommodating body or base region adjoining a drain drift region
- H01L29/7802—Vertical DMOS transistors, i.e. VDMOS transistors
- H01L29/7811—Vertical DMOS transistors, i.e. VDMOS transistors with an edge termination structure
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2210/00—Converter types
- B60L2210/40—DC to AC converters
- B60L2210/42—Voltage source inverters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C3/00—Electric locomotives or railcars
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/04—Driving gear ; Details thereof, e.g. seals
- B66B11/043—Driving gear ; Details thereof, e.g. seals actuated by rotating motor; Details, e.g. ventilation
-
- 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
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
Abstract
Description
本実施形態の半導体装置は、炭化珪素層と、絶縁層と、炭化珪素層と絶縁層との間に位置し、窒素(N)、リン(P)、ヒ素(As)、アンチモン(Sb)及びビスマス(Bi)の群の一種の元素の複数の第1の原子を含み、少なくとも一部の複数の第1の原子が、4配位である領域と、を備える。上記領域は、酸素(O)、硫黄(S)、セレン(Se)、テルル(Te)、水素(H)及びフッ素(F)の群の一種の元素の複数の第2の原子を含む。
本実施形態の半導体装置は、炭化珪素層と、絶縁層と、炭化珪素層と絶縁層との間に位置し、窒素(N)、リン(P)、ヒ素(As)、アンチモン(Sb)及びビスマス(Bi)の群の一種の元素の複数の第1の原子を含み、少なくとも一部の複数の第1の原子が、5配位である領域と、を備える。上記領域は、水素(H)及びフッ素(F)の群の一種の元素の複数の第2の原子、複数の重水素(D)並びに複数のヒドロキシ基(OH)の少なくともいずれか一つを含む。
本実施形態の半導体装置の製造方法は、炭化珪素層上に、窒素(N)、リン(P)、ヒ素(As)、アンチモン(Sb)及びビスマス(Bi)の群の一種の元素の複数の第1の原子と、酸素(O)、硫黄(S)、セレン(Se)、テルル(Te)、水素(H)及びフッ素(F)の群の一種の元素の複数の第2の原子と、を供給しながら、紫外線を照射し、前記炭化珪素層上に酸化シリコン膜を形成する。
本実施形態の半導体装置の製造方法は、炭化珪素層上に、炭化珪素層上に、窒素(N)、リン(P)、ヒ素(As)、アンチモン(Sb)及びビスマス(Bi)の群の一種の元素の複数の第1の原子を供給しながら、前記炭化珪素層上に酸化シリコン膜を形成し、
前記酸化シリコン膜の上に、水素(H)及びフッ素(F)の群の一種の元素の複数の第2の原子、複数の重水素(D)並びに複数のヒドロキシ基(OH)のいずれか一つを供給しながら、紫外線を照射する。
本実施形態の半導体装置は、MOSFETの終端領域に界面領域が設けられる点で第1の実施形態と異なっている。第1の実施形態と重複する内容については記述を省略する。
本実施形態のインバータ回路及び駆動装置は、第1の実施形態の半導体装置を備える駆動装置である。
本実施形態の車両は、第1の実施形態の半導体装置を備える車両である。
本実施形態の車両は、第1の実施形態の半導体装置を備える車両である。
本実施形態の昇降機は、第1の実施形態の半導体装置を備える昇降機である。
16 pウェル領域(炭化珪素層)
28 ゲート絶縁層(絶縁層)
29 絶縁層
30 ゲート電極
40 界面領域(領域)
100 MOSFET(半導体装置)
150 インバータ回路
200 MOSFET(半導体装置)
300 駆動装置
400 車両
500 車両
600 昇降機
Claims (21)
- 炭化珪素層と、
絶縁層と、
前記炭化珪素層と前記絶縁層との間に位置し、窒素(N)、リン(P)、ヒ素(As)、アンチモン(Sb)及びビスマス(Bi)の群の一種の元素の複数の第1の原子を含み、少なくとも一部の前記複数の第1の原子が、4配位及び5配位の少なくともいずれか一方の原子である領域と、
を備える半導体装置。 - 前記少なくとも一部の前記複数の第1の原子の数が、前記複数の第1の原子に含まれる3配位の原子の数よりも多い請求項1記載の半導体装置。
- 前記少なくとも一部の前記複数の第1の原子の数が、前記複数の第1の原子の数の90%以上である請求項1記載の半導体装置。
- 前記複数の第1の原子の濃度分布の第1のピークが前記領域中に在る請求項1ないし請求項3いずれか一項記載の半導体装置。
- 前記複数の第1の原子の濃度分布の第1のピークが1×1018cm−3以上1×1020cm−3以下である請求項1ないし請求項4いずれか一項記載の半導体装置。
- 前記第1のピークに対する半値全幅が2nm以下である請求項4又は請求項5記載の半導体装置。
- 前記領域は、酸素(O)、硫黄(S)、セレン(Se)、テルル(Te)、水素(H)及びフッ素(F)の群の一種の元素の複数の第2の原子、複数の重水素(D)並びに複数のヒドロキシ基(OH)の少なくともいずれか一つを含む請求項1ないし請求項6いずれか一項記載の半導体装置。
- 前記複数の第2の原子、前記複数の重水素及び前記複数のヒドロキシ基の前記少なくともいずれか一つが、前記少なくとも一部の前記複数の第1の原子に化学結合する請求項7記載の半導体装置。
- 前記複数の第2の原子、前記複数の重水素及び前記複数のヒドロキシ基の前記少なくともいずれか一つの濃度分布の第2のピークが前記領域中に在る請求項7又は請求項8いずれか一項記載の半導体装置。
- 前記複数の第2の原子、前記複数の重水素及び前記複数のヒドロキシ基の前記少なくともいずれか一つ濃度分布の第2のピークが1×1018cm−3以上1×1020cm−3以下である請求項7ないし請求項9いずれか一項記載の半導体装置。
- 前記第2のピークに対する半値全幅が2nm以下である請求項9又は請求項10記載の半導体装置。
- 前記炭化珪素層との間に前記絶縁層が位置するゲート電極を、更に備える請求項1ないし請求項11いずれか一項記載の半導体装置。
- 前記絶縁層が酸化シリコンである請求項1ないし請求項12いずれか一項記載の半導体装置。
- 請求項1ないし請求項13いずれか一項記載の半導体装置を備えるインバータ回路。
- 請求項1ないし請求項13いずれか一項記載の半導体装置を備える駆動装置。
- 請求項1ないし請求項13いずれか一項記載の半導体装置を備える車両。
- 請求項1ないし請求項13いずれか一項記載の半導体装置を備える昇降機。
- 炭化珪素層上に、窒素(N)、リン(P)、ヒ素(As)、アンチモン(Sb)及びビスマス(Bi)の群の一種の元素の複数の第1の原子と、酸素(O)、硫黄(S)、セレン(Se)、テルル(Te)、水素(H)及びフッ素(F)の群の一種の元素の複数の第2の原子、複数の重水素(D)並びに複数のヒドロキシ基(OH)のいずれか一つと、を供給しながら、紫外線を照射し、前記炭化珪素層上に酸化シリコン膜を形成する半導体装置の製造方法。
- 前記酸化シリコン膜を形成する際の温度が、200℃以上800℃以下である請求項18記載の半導体装置の製造方法。
- 炭化珪素層上に、窒素(N)、リン(P)、ヒ素(As)、アンチモン(Sb)及びビスマス(Bi)の群の一種の元素の複数の第1の原子を供給しながら、前記炭化珪素層上に酸化シリコン膜を形成し、
前記酸化シリコン膜の上に、酸素(O)、硫黄(S)、セレン(Se)、テルル(Te)、水素(H)及びフッ素(F)の群の一種の元素の複数の第2の原子、複数の重水素(D)並びに複数のヒドロキシ基(OH)のいずれか一つを供給しながら、紫外線を照射する半導体装置の製造方法。 - 前記酸化シリコン膜を形成する際に、紫外線を照射する請求項20記載の半導体装置の製造方法。
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US15/430,687 US10014378B2 (en) | 2016-09-16 | 2017-02-13 | Semiconductor device, method of manufacturing semiconductor device, inverter circuit, driving device, vehicle, and elevator |
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US20180277643A1 (en) | 2018-09-27 |
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JP6692265B2 (ja) | 2020-05-13 |
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