JP7317936B2 - 窒化物半導体装置 - Google Patents
窒化物半導体装置 Download PDFInfo
- Publication number
- JP7317936B2 JP7317936B2 JP2021501748A JP2021501748A JP7317936B2 JP 7317936 B2 JP7317936 B2 JP 7317936B2 JP 2021501748 A JP2021501748 A JP 2021501748A JP 2021501748 A JP2021501748 A JP 2021501748A JP 7317936 B2 JP7317936 B2 JP 7317936B2
- Authority
- JP
- Japan
- Prior art keywords
- nitride semiconductor
- layer
- gate
- ridge
- semiconductor device
- 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 283
- 150000004767 nitrides Chemical class 0.000 title claims description 257
- 239000000463 material Substances 0.000 claims description 29
- 230000005533 two-dimensional electron gas Effects 0.000 claims description 26
- 239000000758 substrate Substances 0.000 claims description 19
- 239000013078 crystal Substances 0.000 claims description 17
- 239000012535 impurity Substances 0.000 claims description 13
- 238000004519 manufacturing process Methods 0.000 claims description 11
- 238000001312 dry etching Methods 0.000 claims description 10
- 238000005530 etching Methods 0.000 claims description 9
- 238000000059 patterning Methods 0.000 claims description 5
- 238000001039 wet etching Methods 0.000 claims description 3
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 description 17
- 229910052751 metal Inorganic materials 0.000 description 17
- 239000002184 metal Substances 0.000 description 17
- 229910002601 GaN Inorganic materials 0.000 description 14
- 238000002161 passivation Methods 0.000 description 12
- 230000000052 comparative effect Effects 0.000 description 9
- 229910002704 AlGaN Inorganic materials 0.000 description 5
- 230000010287 polarization Effects 0.000 description 5
- 229910004298 SiO 2 Inorganic materials 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- 230000003746 surface roughness Effects 0.000 description 4
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 3
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000011777 magnesium Substances 0.000 description 3
- 238000000206 photolithography Methods 0.000 description 3
- 229910017109 AlON Inorganic materials 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 229910052814 silicon oxide Inorganic materials 0.000 description 2
- 230000002269 spontaneous effect Effects 0.000 description 2
- 238000003892 spreading Methods 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 description 1
- 229910004542 HfN Inorganic materials 0.000 description 1
- 229910004140 HfO Inorganic materials 0.000 description 1
- 229910004143 HfON Inorganic materials 0.000 description 1
- -1 HfSiON Inorganic materials 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- 229910004541 SiN Inorganic materials 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000000370 acceptor Substances 0.000 description 1
- NWAIGJYBQQYSPW-UHFFFAOYSA-N azanylidyneindigane Chemical compound [In]#N NWAIGJYBQQYSPW-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 229910021478 group 5 element Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 229910052725 zinc 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
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/778—Field effect transistors with two-dimensional charge carrier gas channel, e.g. HEMT ; with two-dimensional charge-carrier layer formed at a heterojunction interface
- H01L29/7786—Field effect transistors with two-dimensional charge carrier gas channel, e.g. HEMT ; with two-dimensional charge-carrier layer formed at a heterojunction interface with direct single heterostructure, i.e. with wide bandgap layer formed on top of active layer, e.g. direct single heterostructure MIS-like HEMT
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
-
- 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
- H01L29/04—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their crystalline structure, e.g. polycrystalline, cubic or particular orientation of crystalline planes
- H01L29/045—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their crystalline structure, e.g. polycrystalline, cubic or particular orientation of crystalline planes by their particular orientation of crystalline planes
-
- 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
- H01L29/10—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 with semiconductor regions connected to an electrode not carrying current to be rectified, amplified or switched and such electrode being part of a semiconductor device which comprises three or more electrodes
- H01L29/1066—Gate region of field-effect devices with PN junction gate
-
- 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
- H01L29/12—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
- H01L29/20—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by the materials of which they are formed including, apart from doping materials or other impurities, only AIIIBV compounds
- H01L29/201—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by the materials of which they are formed including, apart from doping materials or other impurities, only AIIIBV compounds including two or more compounds, e.g. alloys
- H01L29/205—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by the materials of which they are formed including, apart from doping materials or other impurities, only AIIIBV compounds including two or more compounds, e.g. alloys in different semiconductor regions, e.g. heterojunctions
-
- 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
- H01L29/401—Multistep manufacturing processes
-
- 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
- H01L29/417—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions carrying the current to be rectified, amplified or switched
- H01L29/41725—Source or drain electrodes for field effect devices
- H01L29/41758—Source or drain electrodes for field effect devices for lateral devices with structured layout for source or drain region, i.e. the source or drain region having cellular, interdigitated or ring structure or being curved or angular
-
- 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
-
- 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
- H01L29/66007—Multistep manufacturing processes
- H01L29/66075—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials
- H01L29/66227—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by the electric current supplied or the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched, e.g. three-terminal devices
- H01L29/66409—Unipolar field-effect transistors
- H01L29/66446—Unipolar field-effect transistors with an active layer made of a group 13/15 material, e.g. group 13/15 velocity modulation transistor [VMT], group 13/15 negative resistance FET [NERFET]
- H01L29/66462—Unipolar field-effect transistors with an active layer made of a group 13/15 material, e.g. group 13/15 velocity modulation transistor [VMT], group 13/15 negative resistance FET [NERFET] with a heterojunction interface channel or gate, e.g. HFET, HIGFET, SISFET, HJFET, HEMT
-
- 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
- H01L29/12—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
- H01L29/20—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by the materials of which they are formed including, apart from doping materials or other impurities, only AIIIBV compounds
- H01L29/2003—Nitride compounds
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Junction Field-Effect Transistors (AREA)
- Electrodes Of Semiconductors (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
Description
2 半導体積層構造
3 ソース電極
3A ソース主電極
3B 延長部
4 ゲート電極
4A ゲート主電極部
4B ベース部
5 ドレイン電極
5A ドレイン主電極部
5B 延長部
6 ソースコンタクトホール
7 ドレインコンタクトホール
8 アクティブエリア
9 ノンアクティブエリア
10 二次元電子ガス(2DEG)
11 基板
12 バッファ層
13 第1窒化物半導体層(電子走行層)
14 第2窒化物半導体層(電子供給層)
15 窒化物半導体ゲート層
15A リッジ部
15B リッジ連結部
16 二次元電子ガス分断溝
17 パッシベーション膜
18 ゲート絶縁膜
18A 主絶縁膜部
18B 主絶縁膜連結部
20,20A ゲート部
31 ゲート層材料膜
32 ゲート電極膜
33 レジストパターン
34 ソース・ドレイン電極膜
Claims (16)
- 電子走行層を構成する第1窒化物半導体層と、
前記第1窒化物半導体層上に形成され、電子供給層を構成する第2窒化物半導体層と、
前記第2窒化物半導体層上に配置され、少なくとも一部にリッジ部を有し、アクセプタ型不純物を含む窒化物半導体ゲート層と、
前記窒化物半導体ゲート層の少なくとも前記リッジ部上に配置されたゲート電極と、
前記第2窒化物半導体層上に配置され、前記リッジ部に平行なソース主電極部を有するソース電極と、
前記第2窒化物半導体層上に配置され、前記リッジ部に平行なドレイン主電極部を有するドレイン電極とを含み、
前記リッジ部の長手方向が、前記第2窒化物半導体層を構成する半導体結晶構造の[110]方向である、窒化物半導体装置。 - 平面視において、前記窒化物半導体ゲート層が、前記ソース主電極部を囲むように配置されており、
前記窒化物半導体ゲート層は、前記ソース主電極部の両側それぞれに配置された一対の前記リッジ部と、これらのリッジ部の対応する端部どうしを連結するリッジ連結部とを有している、請求項1に記載の窒化物半導体装置。 - 前記ゲート電極は、前記一対のリッジ部上にそれぞれ形成された一対のゲート主電極部と、前記リッジ連結部上に形成され、前記一対のゲート主電極部の対応する端部どうしを連結するベース部とを有している、請求項2に記載の窒化物半導体装置。
- 前記ソース主電極部の両側に、前記ゲート主電極部および前記ドレイン主電極部が、前記ソース主電極部に近い方からその順に配置されている、請求項3に記載の窒化物半導体装置。
- 前記リッジ部の長手方向の長さに対する前記一対のリッジ部の間隔の比が、1/100以下である請求項2~4のいずれか一項に記載の窒化物半導体装置。
- 前記一対のリッジ部の両端側にある2つのリッジ連結部の対向壁の傾斜角度が、前記リッジ部の側壁の傾斜角度とほぼ等しい、請求項2~5のいずれか一項に記載の窒化物半導体装置。
- 前記窒化物半導体ゲート層が前記ソース主電極部を囲んでいる領域内において、前記ソース主電極部の端部と対応する前記リッジ連結部との間に、2次元電子ガス分断部が形成されている、請求項2~6のいずれか一項に記載の窒化物半導体装置。
- 前記窒化物半導体ゲート層と前記ゲート電極との間に絶縁膜が介在している、請求項1~7のいずれか一項に記載の窒化物半導体装置。
- 前記リッジ部の長手方向に沿う側壁が、(10-12)面である、請求項1~8のいずれか一項に記載の窒化物半導体装置。
- 前記リッジ部の長手方向に沿う側壁が前記第2窒化物半導体層の表面に対して傾斜した傾斜面であり、前記傾斜面の前記第2窒化物半導体層の表面に対する傾斜角度が80度以上90度未満である、請求項1~8のいずれか一項に記載の窒化物半導体装置。
- 前記リッジ部の長手方向に沿う側壁が前記第2窒化物半導体層の表面に対して垂直である、請求項1~8のいずれか一項に記載の窒化物半導体装置。
- 前記第1窒化物半導体層がGaN層からなり、
前記第2窒化物半導体層がAlxGa(1-x)N(0<x<1)層からなり、
前記窒化物半導体ゲート層がp型GaN層からなる、請求項1~11のいずれか一項に記載の窒化物半導体装置。 - 基板上に、電子走行層を構成する第1窒化物半導体層と、電子供給層を構成する第2窒化物半導体層と、アクセプタ型不純物を含む窒化物半導体ゲート層材料膜とを、その順に形成する第1工程と、
前記窒化物半導体ゲート層材料膜上に、ゲート電極の材料膜であるゲート電極膜を形成する第2工程と、
前記ゲート電極膜および前記窒化物半導体ゲート層材料膜をエッチングによってパターニングすることにより、互いに平行な一対のリッジ部とそれらの対応する端部どうしを連結するリッジ連結部を有する窒化物半導体ゲート層と、前記リッジ部上に形成されたゲート主電極部を有するゲート電極を形成する第3工程と、
前記一対のリッジ部の間の領域内において前記リッジ部に平行となるように配置されたソース主電極部を含むソース電極を、前記電子供給層上に形成すると同時に、前記一対のリッジ部の外側の領域内において前記リッジ部に平行となるように配置されたドレイン主電極部を含むドレイン電極を形成する第4工程とを含み、
前記リッジ部の長手方向が、前記第2窒化物半導体層を構成する半導体結晶構造の[110]方向である、窒化物半導体装置の製造方法。 - 前記第2窒化物半導体層がAlxGa(1-x)N(0<x<1)層からなる、請求項13に記載の窒化物半導体装置の製造方法。
- 前記第3工程では、前記窒化物半導体ゲート層材料膜は、ドライエッチングによりパターニングされる、請求項13または14に記載の窒化物半導体装置の製造方法。
- 前記第3工程では、前記窒化物半導体ゲート層材料膜は、ドライエッチングおよびドライエッチング後のウエットエッチングによりパターニングされる、請求項13または14に記載の窒化物半導体装置の製造方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019036271 | 2019-02-28 | ||
JP2019036271 | 2019-02-28 | ||
PCT/JP2020/002354 WO2020174956A1 (ja) | 2019-02-28 | 2020-01-23 | 窒化物半導体装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2020174956A1 JPWO2020174956A1 (ja) | 2021-12-23 |
JP7317936B2 true JP7317936B2 (ja) | 2023-07-31 |
Family
ID=72239363
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2021501748A Active JP7317936B2 (ja) | 2019-02-28 | 2020-01-23 | 窒化物半導体装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US11908927B2 (ja) |
JP (1) | JP7317936B2 (ja) |
WO (1) | WO2020174956A1 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109817710A (zh) * | 2018-12-29 | 2019-05-28 | 英诺赛科(珠海)科技有限公司 | 高电子迁移率晶体管及其制造方法 |
US20220293757A1 (en) * | 2019-05-10 | 2022-09-15 | Rohm Co., Ltd. | Nitride semiconductor device and method for manufacturing same |
JP7336606B2 (ja) | 2020-11-26 | 2023-08-31 | ローム株式会社 | 窒化物半導体装置 |
JPWO2022172588A1 (ja) * | 2021-02-10 | 2022-08-18 | ||
WO2023276972A1 (ja) * | 2021-07-01 | 2023-01-05 | ローム株式会社 | 窒化物半導体装置 |
WO2023171438A1 (ja) * | 2022-03-10 | 2023-09-14 | ローム株式会社 | 窒化物半導体装置 |
WO2023243556A1 (ja) * | 2022-06-15 | 2023-12-21 | ローム株式会社 | 電界効果トランジスタ |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000340580A (ja) | 1999-05-26 | 2000-12-08 | Sanken Electric Co Ltd | 半導体装置 |
JP2012064900A (ja) | 2010-09-17 | 2012-03-29 | Panasonic Corp | 半導体装置 |
JP2012523700A (ja) | 2009-04-08 | 2012-10-04 | エフィシエント パワー コンヴァーション コーポレーション | 逆拡散抑制構造 |
JP2014146744A (ja) | 2013-01-30 | 2014-08-14 | Renesas Electronics Corp | 半導体装置 |
WO2015125471A1 (ja) | 2014-02-21 | 2015-08-27 | パナソニック株式会社 | 電界効果トランジスタ |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6767741B2 (ja) | 2015-10-08 | 2020-10-14 | ローム株式会社 | 窒化物半導体装置およびその製造方法 |
-
2020
- 2020-01-23 US US17/433,146 patent/US11908927B2/en active Active
- 2020-01-23 JP JP2021501748A patent/JP7317936B2/ja active Active
- 2020-01-23 WO PCT/JP2020/002354 patent/WO2020174956A1/ja active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000340580A (ja) | 1999-05-26 | 2000-12-08 | Sanken Electric Co Ltd | 半導体装置 |
JP2012523700A (ja) | 2009-04-08 | 2012-10-04 | エフィシエント パワー コンヴァーション コーポレーション | 逆拡散抑制構造 |
JP2012064900A (ja) | 2010-09-17 | 2012-03-29 | Panasonic Corp | 半導体装置 |
JP2014146744A (ja) | 2013-01-30 | 2014-08-14 | Renesas Electronics Corp | 半導体装置 |
WO2015125471A1 (ja) | 2014-02-21 | 2015-08-27 | パナソニック株式会社 | 電界効果トランジスタ |
Also Published As
Publication number | Publication date |
---|---|
JPWO2020174956A1 (ja) | 2021-12-23 |
US20220181477A1 (en) | 2022-06-09 |
WO2020174956A1 (ja) | 2020-09-03 |
US11908927B2 (en) | 2024-02-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP7317936B2 (ja) | 窒化物半導体装置 | |
JP5065616B2 (ja) | 窒化物半導体素子 | |
JP7137947B2 (ja) | 窒化物半導体装置 | |
JP7175727B2 (ja) | 窒化物半導体装置 | |
WO2020213291A1 (ja) | 窒化物半導体装置およびその製造方法 | |
JP2005086171A (ja) | 半導体装置及びその製造方法 | |
JP7369725B2 (ja) | 窒化物半導体装置 | |
US20210376136A1 (en) | Nitride semiconductor device | |
JP2023156484A (ja) | 窒化物半導体装置およびその製造方法 | |
JP7216523B2 (ja) | 窒化物半導体装置 | |
JP7097708B2 (ja) | 窒化物半導体装置 | |
JP2011210785A (ja) | 電界効果トランジスタ、およびその製造方法 | |
US20220359669A1 (en) | Nitride semiconductor device and method of manufacturing the same | |
WO2023008031A1 (ja) | 窒化物半導体装置およびその製造方法 | |
WO2021149599A1 (ja) | 窒化物半導体装置の製造方法および窒化物半導体装置 | |
JP2022084364A (ja) | 窒化物半導体装置およびその製造方法 | |
TW202145345A (zh) | 氮化物半導體裝置 | |
US11600721B2 (en) | Nitride semiconductor apparatus and manufacturing method thereof | |
JP2007088186A (ja) | 半導体装置及びその製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20220808 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20230511 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 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: 20230706 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20230719 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 7317936 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |