JP6981601B2 - 半導体装置の製造方法 - Google Patents
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- JP6981601B2 JP6981601B2 JP2018102475A JP2018102475A JP6981601B2 JP 6981601 B2 JP6981601 B2 JP 6981601B2 JP 2018102475 A JP2018102475 A JP 2018102475A JP 2018102475 A JP2018102475 A JP 2018102475A JP 6981601 B2 JP6981601 B2 JP 6981601B2
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- H—ELECTRICITY
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- H10D84/00—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
- H10D84/01—Manufacture or treatment
- H10D84/02—Manufacture or treatment characterised by using material-based technologies
- H10D84/08—Manufacture or treatment characterised by using material-based technologies using combinations of technologies, e.g. using both Si and SiC technologies or using both Si and Group III-V technologies
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- H10D1/00—Resistors, capacitors or inductors
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- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D1/00—Resistors, capacitors or inductors
- H10D1/60—Capacitors
- H10D1/68—Capacitors having no potential barriers
- H10D1/692—Electrodes
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- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/01—Manufacture or treatment
- H10D30/015—Manufacture or treatment of FETs having heterojunction interface channels or heterojunction gate electrodes, e.g. HEMT
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- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/40—FETs having zero-dimensional [0D], one-dimensional [1D] or two-dimensional [2D] charge carrier gas channels
- H10D30/47—FETs having zero-dimensional [0D], one-dimensional [1D] or two-dimensional [2D] charge carrier gas channels having two-dimensional [2D] charge carrier gas channels, e.g. nanoribbon FETs or high electron mobility transistors [HEMT]
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- H10D30/00—Field-effect transistors [FET]
- H10D30/40—FETs having zero-dimensional [0D], one-dimensional [1D] or two-dimensional [2D] charge carrier gas channels
- H10D30/47—FETs having zero-dimensional [0D], one-dimensional [1D] or two-dimensional [2D] charge carrier gas channels having two-dimensional [2D] charge carrier gas channels, e.g. nanoribbon FETs or high electron mobility transistors [HEMT]
- H10D30/471—High electron mobility transistors [HEMT] or high hole mobility transistors [HHMT]
- H10D30/475—High electron mobility transistors [HEMT] or high hole mobility transistors [HHMT] having wider bandgap layer formed on top of lower bandgap active layer, e.g. undoped barrier HEMTs such as i-AlGaN/GaN HEMTs
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- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D64/00—Electrodes of devices having potential barriers
- H10D64/111—Field plates
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- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
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- H—ELECTRICITY
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- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D84/00—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
- H10D84/80—Integrated 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
- H10D84/811—Combinations of field-effect devices and one or more diodes, capacitors or resistors
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- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W44/00—Electrical arrangements for controlling or matching impedance
- H10W44/601—Capacitive arrangements
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- 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
- H10D62/85—Semiconductor bodies, or regions thereof, of devices having potential barriers characterised by the materials being Group III-V materials, e.g. GaAs
- H10D62/8503—Nitride Group III-V materials, e.g. AlN or GaN
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- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P14/00—Formation of materials, e.g. in the shape of layers or pillars
- H10P14/60—Formation of materials, e.g. in the shape of layers or pillars of insulating materials
- H10P14/63—Formation of materials, e.g. in the shape of layers or pillars of insulating materials characterised by the formation processes
- H10P14/6326—Deposition processes
- H10P14/6328—Deposition from the gas or vapour phase
- H10P14/6334—Deposition from the gas or vapour phase using decomposition or reaction of gaseous or vapour phase compounds, i.e. chemical vapour deposition
- H10P14/6336—Deposition from the gas or vapour phase using decomposition or reaction of gaseous or vapour phase compounds, i.e. chemical vapour deposition in the presence of a plasma [PECVD]
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- H—ELECTRICITY
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- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P14/00—Formation of materials, e.g. in the shape of layers or pillars
- H10P14/60—Formation of materials, e.g. in the shape of layers or pillars of insulating materials
- H10P14/69—Inorganic materials
- H10P14/692—Inorganic materials composed of oxides, glassy oxides or oxide-based glasses
- H10P14/6921—Inorganic materials composed of oxides, glassy oxides or oxide-based glasses containing silicon
- H10P14/69215—Inorganic materials composed of oxides, glassy oxides or oxide-based glasses containing silicon the material being a silicon oxide, e.g. SiO2
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P14/00—Formation of materials, e.g. in the shape of layers or pillars
- H10P14/60—Formation of materials, e.g. in the shape of layers or pillars of insulating materials
- H10P14/69—Inorganic materials
- H10P14/694—Inorganic materials composed of nitrides
- H10P14/6943—Inorganic materials composed of nitrides containing silicon
- H10P14/69433—Inorganic materials composed of nitrides containing silicon the material being a silicon nitride not containing oxygen, e.g. SixNy or SixByNz
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- H—ELECTRICITY
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- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P50/00—Etching of wafers, substrates or parts of devices
- H10P50/20—Dry etching; Plasma etching; Reactive-ion etching
- H10P50/28—Dry etching; Plasma etching; Reactive-ion etching of insulating materials
- H10P50/282—Dry etching; Plasma etching; Reactive-ion etching of insulating materials of inorganic materials
- H10P50/283—Dry etching; Plasma etching; Reactive-ion etching of insulating materials of inorganic materials by chemical means
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- Semiconductor Integrated Circuits (AREA)
- Junction Field-Effect Transistors (AREA)
- Formation Of Insulating Films (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
- Die Bonding (AREA)
Description
Claims (5)
- 基板上に形成されるトランジスタを覆う絶縁膜上に、前記トランジスタのゲートに前記絶縁膜を介して電気的に結合するフィールドプレートを形成する工程と、
前記絶縁膜及び前記フィールドプレートを覆う窒化ケイ素保護膜を形成する工程と、
前記窒化ケイ素保護膜上に酸化ケイ素下地膜を形成する工程と、
前記酸化ケイ素下地膜上に、順に積層される第1の電極、誘電体膜及び第2の電極を有するMIMキャパシタを形成する工程と、
を備え、
前記MIMキャパシタを形成する工程は、前記誘電体膜を形成した後、前記フィールドプレート上の前記酸化ケイ素下地膜をウェットエッチングする工程を有する、
半導体装置の製造方法。 - 前記酸化ケイ素下地膜をウェットエッチングする工程後、前記誘電体膜の端部が、残存する前記酸化ケイ素下地膜に対する庇となる、請求項1に記載の半導体装置の製造方法。
- 前記MIMキャパシタを形成する工程は、
蒸着法及びリフトオフによって、前記酸化ケイ素下地膜上に第1の電極を形成する工程と、
プラズマCVD法によって、前記第1の電極上に窒化ケイ素膜を形成する工程と、
前記MIMキャパシタが形成される領域以外に位置する前記窒化ケイ素膜を露出するレジストパターンを形成する工程と、
フッ素系ガスを用いたドライエッチングにより、前記レジストパターンから露出する前記窒化ケイ素膜を除去し、前記誘電体膜を形成する工程と、
前記レジストパターン、及び、前記誘電体膜から露出する前記酸化ケイ素下地膜を、フッ酸系溶液によりウェットエッチングする工程と、を有する請求項1又は2に記載の半導体装置の製造方法。 - 前記MIMキャパシタを形成する工程は、前記ウェットエッチング前、蒸着法及びリフトオフによって、前記第2の電極を形成する工程を有する、請求項1〜3のいずれか一項に記載の半導体装置の製造方法。
- 前記トランジスタの形成完了前に、前記基板を覆うパッシベーション膜を形成する工程をさらに備える、請求項1〜4のいずれか一項に記載の半導体装置の製造方法。
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2018102475A JP6981601B2 (ja) | 2018-05-29 | 2018-05-29 | 半導体装置の製造方法 |
| TW108118196A TWI776061B (zh) | 2018-05-29 | 2019-05-27 | 半導體裝置之製造方法 |
| CN201910445078.7A CN110544630B (zh) | 2018-05-29 | 2019-05-27 | 制造半导体器件的方法 |
| CN202011327407.7A CN112599417B (zh) | 2018-05-29 | 2019-05-27 | 半导体器件 |
| US16/423,977 US10998243B2 (en) | 2018-05-29 | 2019-05-28 | Method of manufacturing semiconductor device |
| US17/102,196 US11348843B2 (en) | 2018-05-29 | 2020-11-23 | Semiconductor device |
Applications Claiming Priority (1)
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| JP2018102475A JP6981601B2 (ja) | 2018-05-29 | 2018-05-29 | 半導体装置の製造方法 |
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| Publication Number | Publication Date |
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| JP2019207945A JP2019207945A (ja) | 2019-12-05 |
| JP6981601B2 true JP6981601B2 (ja) | 2021-12-15 |
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| JP2018102475A Active JP6981601B2 (ja) | 2018-05-29 | 2018-05-29 | 半導体装置の製造方法 |
Country Status (4)
| Country | Link |
|---|---|
| US (2) | US10998243B2 (ja) |
| JP (1) | JP6981601B2 (ja) |
| CN (2) | CN110544630B (ja) |
| TW (1) | TWI776061B (ja) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114122126A (zh) * | 2020-08-27 | 2022-03-01 | 世界先进积体电路股份有限公司 | 半导体结构 |
| JP7640015B2 (ja) * | 2020-11-16 | 2025-03-05 | 住友電工デバイス・イノベーション株式会社 | 半導体装置およびその製造方法 |
| US12166033B2 (en) * | 2020-11-26 | 2024-12-10 | Innolux Corporation | Electronic device |
| WO2022134017A1 (en) | 2020-12-25 | 2022-06-30 | Innoscience (Suzhou) Technology Co., Ltd. | Semiconductor device and manufacturing method thereof |
| CN112789731A (zh) * | 2020-12-25 | 2021-05-11 | 英诺赛科(苏州)科技有限公司 | 半导体器件及其制造方法 |
| US12261168B2 (en) * | 2021-02-16 | 2025-03-25 | Efficient Power Conversion Corporation | Gate metal-insulator-field plate metal integrated circuit capacitor and method of forming the same |
| JPWO2022202088A1 (ja) * | 2021-03-26 | 2022-09-29 | ||
| JP2023180476A (ja) * | 2022-06-09 | 2023-12-21 | 住友電工デバイス・イノベーション株式会社 | 半導体装置 |
| JP7826857B2 (ja) | 2022-06-21 | 2026-03-10 | 住友電工デバイス・イノベーション株式会社 | 電子デバイス |
| CN118841408B (zh) * | 2024-09-20 | 2025-02-07 | 苏州凌存科技有限公司 | 一种半导体电容及其阵列 |
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2018
- 2018-05-29 JP JP2018102475A patent/JP6981601B2/ja active Active
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2019
- 2019-05-27 TW TW108118196A patent/TWI776061B/zh active
- 2019-05-27 CN CN201910445078.7A patent/CN110544630B/zh active Active
- 2019-05-27 CN CN202011327407.7A patent/CN112599417B/zh active Active
- 2019-05-28 US US16/423,977 patent/US10998243B2/en active Active
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2020
- 2020-11-23 US US17/102,196 patent/US11348843B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| US20190371672A1 (en) | 2019-12-05 |
| JP2019207945A (ja) | 2019-12-05 |
| US20210104437A1 (en) | 2021-04-08 |
| TWI776061B (zh) | 2022-09-01 |
| US10998243B2 (en) | 2021-05-04 |
| CN112599417B (zh) | 2024-08-16 |
| CN112599417A (zh) | 2021-04-02 |
| TW202004869A (zh) | 2020-01-16 |
| CN110544630A (zh) | 2019-12-06 |
| US11348843B2 (en) | 2022-05-31 |
| CN110544630B (zh) | 2024-09-20 |
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Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |