JP7517466B2 - 半導体装置 - Google Patents

半導体装置 Download PDF

Info

Publication number
JP7517466B2
JP7517466B2 JP2022563746A JP2022563746A JP7517466B2 JP 7517466 B2 JP7517466 B2 JP 7517466B2 JP 2022563746 A JP2022563746 A JP 2022563746A JP 2022563746 A JP2022563746 A JP 2022563746A JP 7517466 B2 JP7517466 B2 JP 7517466B2
Authority
JP
Japan
Prior art keywords
region
semiconductor substrate
peak
concentration
helium
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
Application number
JP2022563746A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2022107728A1 (https=
Inventor
祐一 原田
晴司 野口
典宏 小宮山
巧裕 伊倉
洋輔 桜井
啓久 鈴木
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fuji Electric Co Ltd
Original Assignee
Fuji Electric Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Fuji Electric Co Ltd filed Critical Fuji Electric Co Ltd
Publication of JPWO2022107728A1 publication Critical patent/JPWO2022107728A1/ja
Application granted granted Critical
Publication of JP7517466B2 publication Critical patent/JP7517466B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D12/00Bipolar devices controlled by the field effect, e.g. insulated-gate bipolar transistors [IGBT]
    • H10D12/01Manufacture or treatment
    • H10D12/031Manufacture or treatment of IGBTs
    • H10D12/032Manufacture or treatment of IGBTs of vertical IGBTs
    • H10D12/038Manufacture or treatment of IGBTs of vertical IGBTs having a recessed gate, e.g. trench-gate IGBTs
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D12/00Bipolar devices controlled by the field effect, e.g. insulated-gate bipolar transistors [IGBT]
    • H10D12/411Insulated-gate bipolar transistors [IGBT]
    • H10D12/441Vertical IGBTs
    • H10D12/461Vertical IGBTs having non-planar surfaces, e.g. having trenches, recesses or pillars in the surfaces of the emitter, base or collector regions
    • H10D12/481Vertical IGBTs having non-planar surfaces, e.g. having trenches, recesses or pillars in the surfaces of the emitter, base or collector regions having gate structures on slanted surfaces, on vertical surfaces, or in grooves, e.g. trench gate IGBTs
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D30/00Field-effect transistors [FET]
    • H10D30/01Manufacture or treatment
    • H10D30/021Manufacture or treatment of FETs having insulated gates [IGFET]
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D30/00Field-effect transistors [FET]
    • H10D30/60Insulated-gate field-effect transistors [IGFET]
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D62/00Semiconductor bodies, or regions thereof, of devices having potential barriers
    • H10D62/10Shapes, relative sizes or dispositions of the regions of the semiconductor bodies; Shapes of the semiconductor bodies
    • H10D62/124Shapes, relative sizes or dispositions of the regions of semiconductor bodies or of junctions between the regions
    • H10D62/126Top-view geometrical layouts of the regions or the junctions
    • H10D62/127Top-view geometrical layouts of the regions or the junctions of cellular field-effect devices, e.g. multicellular DMOS transistors or IGBTs
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D62/00Semiconductor bodies, or regions thereof, of devices having potential barriers
    • H10D62/10Shapes, relative sizes or dispositions of the regions of the semiconductor bodies; Shapes of the semiconductor bodies
    • H10D62/13Semiconductor regions connected to electrodes carrying current to be rectified, amplified or switched, e.g. source or drain regions
    • H10D62/141Anode or cathode regions of thyristors; Collector or emitter regions of gated bipolar-mode devices, e.g. of IGBTs
    • H10D62/142Anode regions of thyristors or collector regions of gated bipolar-mode devices
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D62/00Semiconductor bodies, or regions thereof, of devices having potential barriers
    • H10D62/50Physical imperfections
    • H10D62/53Physical imperfections the imperfections being within the semiconductor body 
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D62/00Semiconductor bodies, or regions thereof, of devices having potential barriers
    • H10D62/60Impurity distributions or concentrations
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D64/00Electrodes of devices having potential barriers
    • H10D64/111Field plates
    • H10D64/117Recessed field plates, e.g. trench field plates or buried field plates
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D8/00Diodes
    • H10D8/422PN diodes having the PN junctions in mesas
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D84/00Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
    • H10D84/60Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers characterised by the integration of at least one component covered by groups H10D10/00 or H10D18/00, e.g. integration of BJTs
    • H10D84/611Combinations of BJTs and one or more of diodes, resistors or capacitors
    • H10D84/613Combinations of vertical BJTs and one or more of diodes, resistors or capacitors
    • H10D84/617Combinations of vertical BJTs and only diodes
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10PGENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P30/00Ion implantation into wafers, substrates or parts of devices
    • H10P30/20Ion implantation into wafers, substrates or parts of devices into semiconductor materials, e.g. for doping
    • H10P30/202Ion implantation into wafers, substrates or parts of devices into semiconductor materials, e.g. for doping characterised by the semiconductor materials
    • H10P30/204Ion implantation into wafers, substrates or parts of devices into semiconductor materials, e.g. for doping characterised by the semiconductor materials into Group IV semiconductors
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10PGENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P30/00Ion implantation into wafers, substrates or parts of devices
    • H10P30/20Ion implantation into wafers, substrates or parts of devices into semiconductor materials, e.g. for doping
    • H10P30/208Ion implantation into wafers, substrates or parts of devices into semiconductor materials, e.g. for doping of electrically inactive species
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10PGENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P32/00Diffusion of dopants within, into or out of wafers, substrates or parts of devices
    • H10P32/10Diffusion of dopants within, into or out of semiconductor bodies or layers
    • H10P32/17Diffusion of dopants within, into or out of semiconductor bodies or layers characterised by the semiconductor material
    • H10P32/171Diffusion of dopants within, into or out of semiconductor bodies or layers characterised by the semiconductor material being group IV material
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10PGENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P32/00Diffusion of dopants within, into or out of wafers, substrates or parts of devices
    • H10P32/10Diffusion of dopants within, into or out of semiconductor bodies or layers
    • H10P32/18Diffusion lifetime killers
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10PGENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P95/00Generic processes or apparatus for manufacture or treatments not covered by the other groups of this subclass
    • H10P95/40Treatments of semiconductor bodies to modify their internal properties, e.g. to produce internal imperfections
    • H10P95/402Treatments of semiconductor bodies to modify their internal properties, e.g. to produce internal imperfections of silicon bodies
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D64/00Electrodes of devices having potential barriers
    • H10D64/20Electrodes characterised by their shapes, relative sizes or dispositions 
    • H10D64/27Electrodes not carrying the current to be rectified, amplified, oscillated or switched, e.g. gates
    • H10D64/311Gate electrodes for field-effect devices
    • H10D64/411Gate electrodes for field-effect devices for FETs
    • H10D64/511Gate electrodes for field-effect devices for FETs for IGFETs
    • H10D64/517Gate electrodes for field-effect devices for FETs for IGFETs characterised by the conducting layers
    • H10D64/519Gate electrodes for field-effect devices for FETs for IGFETs characterised by the conducting layers characterised by their top-view geometrical layouts
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10DINORGANIC ELECTRIC SEMICONDUCTOR DEVICES
    • H10D84/00Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
    • H10D84/80Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers characterised by the integration of at least one component covered by groups H10D12/00 or H10D30/00, e.g. integration of IGFETs
    • H10D84/811Combinations of field-effect devices and one or more diodes, capacitors or resistors

Landscapes

  • Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
JP2022563746A 2020-11-17 2021-11-15 半導体装置 Active JP7517466B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020190954 2020-11-17
JP2020190954 2020-11-17
PCT/JP2021/041957 WO2022107728A1 (ja) 2020-11-17 2021-11-15 半導体装置

Publications (2)

Publication Number Publication Date
JPWO2022107728A1 JPWO2022107728A1 (https=) 2022-05-27
JP7517466B2 true JP7517466B2 (ja) 2024-07-17

Family

ID=81708890

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022563746A Active JP7517466B2 (ja) 2020-11-17 2021-11-15 半導体装置

Country Status (4)

Country Link
US (1) US20230038712A1 (https=)
JP (1) JP7517466B2 (https=)
CN (1) CN115443543A (https=)
WO (1) WO2022107728A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7718577B2 (ja) * 2022-03-16 2025-08-05 富士電機株式会社 半導体装置
JP7796611B2 (ja) * 2022-08-23 2026-01-09 三菱電機株式会社 半導体装置、半導体装置の製造方法、および電力変換装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013147275A1 (ja) 2012-03-30 2013-10-03 富士電機株式会社 半導体装置の製造方法
WO2019181852A1 (ja) 2018-03-19 2019-09-26 富士電機株式会社 半導体装置および半導体装置の製造方法
WO2020100997A1 (ja) 2018-11-16 2020-05-22 富士電機株式会社 半導体装置および製造方法
WO2020149354A1 (ja) 2019-01-18 2020-07-23 富士電機株式会社 半導体装置および半導体装置の製造方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6428945B2 (ja) * 2015-09-16 2018-11-28 富士電機株式会社 半導体装置および半導体装置の製造方法
JP6660611B2 (ja) * 2016-01-15 2020-03-11 ローム株式会社 半導体装置および半導体装置の製造方法
CN110546767B (zh) * 2017-11-15 2022-07-29 富士电机株式会社 半导体装置
DE102020110072A1 (de) * 2020-04-09 2021-10-14 Infineon Technologies Ag Vertikale leistungs-halbleitervorrichtung und herstellungsverfahren

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013147275A1 (ja) 2012-03-30 2013-10-03 富士電機株式会社 半導体装置の製造方法
WO2019181852A1 (ja) 2018-03-19 2019-09-26 富士電機株式会社 半導体装置および半導体装置の製造方法
WO2020100997A1 (ja) 2018-11-16 2020-05-22 富士電機株式会社 半導体装置および製造方法
WO2020149354A1 (ja) 2019-01-18 2020-07-23 富士電機株式会社 半導体装置および半導体装置の製造方法

Also Published As

Publication number Publication date
WO2022107728A1 (ja) 2022-05-27
JPWO2022107728A1 (https=) 2022-05-27
CN115443543A (zh) 2022-12-06
US20230038712A1 (en) 2023-02-09

Similar Documents

Publication Publication Date Title
US11824095B2 (en) Semiconductor device and semiconductor device manufacturing method
JP7268743B2 (ja) 半導体装置
WO2021075330A1 (ja) 半導体装置および半導体装置の製造方法
WO2021049499A1 (ja) 半導体装置および製造方法
JP7517466B2 (ja) 半導体装置
JP7567932B2 (ja) 半導体装置の製造方法
JP7279806B2 (ja) 半導体装置および半導体装置の製造方法
JP7473075B2 (ja) 半導体装置
US12294025B2 (en) Semiconductor apparatus and manufacturing method of semiconductor apparatus
JP7782686B2 (ja) 半導体装置
JP7323049B2 (ja) 半導体装置および半導体装置を備えた電力変換装置
JP7718577B2 (ja) 半導体装置
CN117995902A (zh) 半导体装置
JP2024101464A (ja) 半導体装置
WO2023145805A1 (ja) 半導体装置および製造方法
CN115443542B (zh) 半导体装置的制造方法以及半导体装置
JP7683287B2 (ja) 半導体装置および製造方法
JP2025030950A (ja) 半導体装置
JP2024100692A (ja) 半導体装置
WO2026049049A1 (ja) 半導体装置
WO2024128072A1 (ja) 半導体装置および半導体装置の製造方法
JP2025184002A (ja) 半導体装置

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20221028

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20221028

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20231226

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20240226

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: 20240604

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20240617

R150 Certificate of patent or registration of utility model

Ref document number: 7517466

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150