JP5475535B2 - 横型hemtおよび横型hemtの製造方法 - Google Patents
横型hemtおよび横型hemtの製造方法 Download PDFInfo
- Publication number
- JP5475535B2 JP5475535B2 JP2010097156A JP2010097156A JP5475535B2 JP 5475535 B2 JP5475535 B2 JP 5475535B2 JP 2010097156 A JP2010097156 A JP 2010097156A JP 2010097156 A JP2010097156 A JP 2010097156A JP 5475535 B2 JP5475535 B2 JP 5475535B2
- Authority
- JP
- Japan
- Prior art keywords
- layer
- electrode
- hemt
- substrate
- horizontal
- 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
- 238000000034 method Methods 0.000 title claims description 61
- 238000004519 manufacturing process Methods 0.000 title claims description 14
- 239000000758 substrate Substances 0.000 claims description 75
- 239000004065 semiconductor Substances 0.000 claims description 49
- 239000000463 material Substances 0.000 claims description 45
- 238000002161 passivation Methods 0.000 claims description 43
- 229910002704 AlGaN Inorganic materials 0.000 claims description 30
- 230000008569 process Effects 0.000 claims description 22
- 230000000295 complement effect Effects 0.000 claims description 10
- 230000005533 two-dimensional electron gas Effects 0.000 claims description 10
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 7
- 239000000126 substance Substances 0.000 claims description 5
- 238000005498 polishing Methods 0.000 claims description 4
- 239000010410 layer Substances 0.000 description 373
- 230000015556 catabolic process Effects 0.000 description 16
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 15
- 229910052710 silicon Inorganic materials 0.000 description 15
- 239000010703 silicon Substances 0.000 description 15
- 229910052751 metal Inorganic materials 0.000 description 12
- 239000002184 metal Substances 0.000 description 12
- 239000002245 particle Substances 0.000 description 9
- 239000004020 conductor Substances 0.000 description 8
- 230000005669 field effect Effects 0.000 description 8
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 6
- 229920005591 polysilicon Polymers 0.000 description 6
- 229910021332 silicide Inorganic materials 0.000 description 6
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 6
- 229910004298 SiO 2 Inorganic materials 0.000 description 4
- 238000005530 etching Methods 0.000 description 4
- 230000005684 electric field Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 238000012993 chemical processing Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000407 epitaxy Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 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
-
- 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]
- H01L29/0619—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] with a supplementary region doped oppositely to or in rectifying contact with the semiconductor containing or contacting region, e.g. guard rings with PN or Schottky junction
-
- 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]
- H01L29/0619—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] with a supplementary region doped oppositely to or in rectifying contact with the semiconductor containing or contacting region, e.g. guard rings with PN or Schottky junction
- H01L29/0623—Buried supplementary region, e.g. buried guard ring
-
- 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
- H01L29/0642—Isolation within the component, i.e. internal isolation
- H01L29/0649—Dielectric regions, e.g. SiO2 regions, air gaps
- H01L29/0653—Dielectric regions, e.g. SiO2 regions, air gaps adjoining the input or output region of a field-effect device, e.g. the source or drain region
-
- 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
- H01L29/107—Substrate region of field-effect devices
- H01L29/1075—Substrate region of field-effect devices of 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
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/402—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
- H01L29/40—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
- H01L29/41766—Source or drain electrodes for field effect devices with at least part of the source or drain electrode having contact below the semiconductor surface, e.g. the source or drain electrode formed at least partially in a groove or with inclusions of conductor inside the semiconductor
-
- 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
- H01L29/66—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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Ceramic Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- Junction Field-Effect Transistors (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
- Thin Film Transistor (AREA)
Description
Claims (17)
- 基板(10)と、
第1導電型の半導体物質を有し、少なくとも部分的に上記基板の上に配置された第1層(11)と、
半導体物質を有し、少なくとも部分的に上記第1層(11)の上に配置された第2層(12)と、
上記第1導電型に対して相補的な第2導電型の半導体物質を有し、上記第1層(11)の中に配置された第3層(13)とを有する、横型HEMTであって、
上記第3層(13)は、完全に上記第1層(11)の中に配置され、
上記横型HEMTは、第1電極(14)、第2電極(15)、およびゲート電極(16)を有し、
上記第1電極(14)は、上記第2層(12)から上記第3層(13)まで垂直方向に延び、上記第2電極(15)は、上記第2層(12)から部分的に上記基板(10)の中まで垂直方向に延び、
上記第1層(11)は、GaNを有し、
2次元電子ガスが、上記第1層(11)と上記第2層(12)との間の境界面に形成される、横型HEMT。 - 上記第2層(12)は、AlGaNを有する、請求項1に記載の横型HEMT。
- 上記第3層(13)は、GaNを有する、請求項1または2に記載の横型HEMT。
- 上記基板(10)は、Siを有する、請求項1ないし3の何れか1項に記載の横型HEMT。
- 上記基板(10)は、SiCを有する、請求項1ないし3の何れか1項に記載の横型HEMT。
- 上記基板(10)は、Al2O3を有する、請求項1ないし3の何れか1項に記載の横型HEMT。
- 上記第2層(12)は、ドープされていない、請求項1ないし6の何れか1項に記載の横型HEMT。
- 上記横型HEMTは、バッファ層(17)を有し、上記バッファ層(17)は、上記基板(10)と上記第1層(11)との間に配置されている、請求項1ないし7の何れか1項に記載の横型HEMT。
- 上記バッファ層(17)は、AlN、GaN、またはAlGaNを有する、請求項8に記載の横型HEMT。
- 上記横型HEMTは、パッシベーション層(18)を有し、上記パッシベーション層(18)は、少なくとも部分的に上記第2層(12)の上に配置されている、請求項1ないし9の何れか1項に記載の横型HEMT。
- 上記横型HEMTは、絶縁層(19)を有し、上記絶縁層(19)は、少なくとも部分的に上記パッシベーション層(18)の上に配置されている、請求項10に記載の横型HEMT。
- 上記第1電極(14)は、上記第1層(11)の上、および上記第3層(13)の上に配置され、上記第1層(11)、上記第2層(12)、および上記第3層(13)と接触している、請求項1ないし11の何れか1項に記載の横型HEMT。
- 横型HEMTの製造方法であって、
基板(10)、および、第1導電型の半導体物質を有し、少なくとも部分的に上記基板(10)の上に配置された、GaNを有する第1層(11)を形成する工程と、
構造化されたマスク(23)を、上記第1層(11)上に塗布する工程と、
上記第1導電型に対して相補的な第2導電型の半導体物質を有する第3層(13)を、上記第1層(11)の上で成長させる工程と、
上記第3層(13)の部分的除去を行う工程と、
上記マスク(23)の除去を行う工程と、
上記第1導電型の半導体物質であるGaNを有する第4層(11’)を上記第1層(11)および上記第3層(13)の上で成長させる工程と、
半導体物質を有する第2層(12)を上記第4層(11’)の上で成長させる工程と、
パッシベーション層(18)を、少なくとも部分的に上記第4層(11’)上に設ける工程と、
上記第2層(12)から上記第3層(13)まで垂直方向に延びる第1電極(14)、上記第2層(12)から部分的に上記基板(10)の中まで垂直方向に延びる第2電極(15)、および、ゲート電極(16)を形成する工程とを有し、
上記第2層(12)は、上記第4層(11’)との間の境界面に2次元電子ガスを形成するものである、方法。 - 上記第3層(13)の部分的除去は、CMP処理(化学機械研磨)によって行われる、請求項13に記載の方法。
- バッファ層(17)は、上記基板(10)と上記第1層(11)との間に設けられる、請求項13または14に記載の方法。
- 絶縁層(19)は、少なくとも部分的に上記パッシベーション層(18)の上に設けられる、請求項13ないし15の何れか1項に記載の方法。
- 上記第2層(12)は、ドープされない、請求項13ないし16の何れか1項に記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009018054.0 | 2009-04-21 | ||
DE102009018054.0A DE102009018054B4 (de) | 2009-04-21 | 2009-04-21 | Lateraler HEMT und Verfahren zur Herstellung eines lateralen HEMT |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013079756A Division JP5678119B2 (ja) | 2009-04-21 | 2013-04-05 | 横型hemt |
JP2013079755A Division JP5766740B2 (ja) | 2009-04-21 | 2013-04-05 | 横型hemt |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010267958A JP2010267958A (ja) | 2010-11-25 |
JP5475535B2 true JP5475535B2 (ja) | 2014-04-16 |
Family
ID=42932255
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010097156A Active JP5475535B2 (ja) | 2009-04-21 | 2010-04-20 | 横型hemtおよび横型hemtの製造方法 |
JP2013079756A Active JP5678119B2 (ja) | 2009-04-21 | 2013-04-05 | 横型hemt |
JP2013079755A Active JP5766740B2 (ja) | 2009-04-21 | 2013-04-05 | 横型hemt |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013079756A Active JP5678119B2 (ja) | 2009-04-21 | 2013-04-05 | 横型hemt |
JP2013079755A Active JP5766740B2 (ja) | 2009-04-21 | 2013-04-05 | 横型hemt |
Country Status (3)
Country | Link |
---|---|
US (2) | US8314447B2 (ja) |
JP (3) | JP5475535B2 (ja) |
DE (1) | DE102009018054B4 (ja) |
Families Citing this family (38)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8502273B2 (en) * | 2010-10-20 | 2013-08-06 | National Semiconductor Corporation | Group III-nitride HEMT having a well region formed on the surface of substrate and contacted the buffer layer to increase breakdown voltage and the method for forming the same |
US8513703B2 (en) * | 2010-10-20 | 2013-08-20 | National Semiconductor Corporation | Group III-nitride HEMT with multi-layered substrate having a second layer of one conductivity type touching a top surface of a first layers of different conductivity type and a method for forming the same |
JP5758132B2 (ja) * | 2011-01-26 | 2015-08-05 | 株式会社東芝 | 半導体素子 |
KR102011523B1 (ko) * | 2011-03-18 | 2019-08-16 | 스미토모 세이카 가부시키가이샤 | 금속 페이스트 조성물 |
US9024356B2 (en) | 2011-12-20 | 2015-05-05 | Infineon Technologies Austria Ag | Compound semiconductor device with buried field plate |
US10002957B2 (en) | 2011-12-21 | 2018-06-19 | Power Integrations, Inc. | Shield wrap for a heterostructure field effect transistor |
JP5696083B2 (ja) | 2012-03-26 | 2015-04-08 | 株式会社東芝 | 窒化物半導体素子及びその製造方法 |
US9276097B2 (en) | 2012-03-30 | 2016-03-01 | Infineon Technologies Austria Ag | Gate overvoltage protection for compound semiconductor transistors |
DE102012207501B4 (de) | 2012-05-07 | 2017-03-02 | Forschungsverbund Berlin E.V. | Halbleiterschichtenstruktur |
US9666705B2 (en) * | 2012-05-14 | 2017-05-30 | Infineon Technologies Austria Ag | Contact structures for compound semiconductor devices |
US9076763B2 (en) * | 2012-08-13 | 2015-07-07 | Infineon Technologies Austria Ag | High breakdown voltage III-nitride device |
US9269789B2 (en) * | 2013-03-15 | 2016-02-23 | Semiconductor Components Industries, Llc | Method of forming a high electron mobility semiconductor device and structure therefor |
US9111750B2 (en) | 2013-06-28 | 2015-08-18 | General Electric Company | Over-voltage protection of gallium nitride semiconductor devices |
US8853786B1 (en) | 2013-07-02 | 2014-10-07 | Infineon Technologies Ag | Semiconductor device with switching and rectifier cells |
US9997507B2 (en) * | 2013-07-25 | 2018-06-12 | General Electric Company | Semiconductor assembly and method of manufacture |
JP6143598B2 (ja) * | 2013-08-01 | 2017-06-07 | 株式会社東芝 | 半導体装置 |
US9245991B2 (en) * | 2013-08-12 | 2016-01-26 | Taiwan Semiconductor Manufacturing Company, Ltd. | Semiconductor device, high electron mobility transistor (HEMT) and method of manufacturing |
KR102100928B1 (ko) * | 2013-10-17 | 2020-05-15 | 삼성전자주식회사 | 고전자 이동도 트랜지스터 |
US9123791B2 (en) | 2014-01-09 | 2015-09-01 | Infineon Technologies Austria Ag | Semiconductor device and method |
JP6251071B2 (ja) * | 2014-02-05 | 2017-12-20 | ルネサスエレクトロニクス株式会社 | 半導体装置 |
CN106170866A (zh) | 2014-04-25 | 2016-11-30 | 美国休斯研究所 | 具有基材转移的iii‑v族材料结构上的fet晶体管 |
US9728630B2 (en) | 2014-09-05 | 2017-08-08 | Infineon Technologies Austria Ag | High-electron-mobility transistor having a buried field plate |
US9356017B1 (en) | 2015-02-05 | 2016-05-31 | Infineon Technologies Austria Ag | Switch circuit and semiconductor device |
US10332976B2 (en) * | 2015-08-28 | 2019-06-25 | Sharp Kabushiki Kaisha | Nitride semiconductor device |
DE102015118440A1 (de) | 2015-10-28 | 2017-05-04 | Infineon Technologies Austria Ag | Halbleiterbauelement |
ITUB20155862A1 (it) | 2015-11-24 | 2017-05-24 | St Microelectronics Srl | Transistore di tipo normalmente spento con ridotta resistenza in stato acceso e relativo metodo di fabbricazione |
JP6957795B2 (ja) * | 2016-03-31 | 2021-11-02 | 国立大学法人東北大学 | 半導体デバイス |
EP3252824B1 (en) * | 2016-05-30 | 2021-10-20 | STMicroelectronics S.r.l. | High-power and high-frequency heterostructure field-effect transistor |
CN107958931A (zh) * | 2016-10-17 | 2018-04-24 | 南京励盛半导体科技有限公司 | 一种氮化鎵基异质结耐击穿场效应晶体管结构 |
CN107958930A (zh) * | 2016-10-17 | 2018-04-24 | 南京励盛半导体科技有限公司 | 一种氮化鎵基异质结场效应晶体管结构 |
JP6905395B2 (ja) * | 2017-06-16 | 2021-07-21 | 株式会社東芝 | 半導体装置 |
JP7316757B2 (ja) * | 2018-02-23 | 2023-07-28 | ローム株式会社 | 半導体装置 |
US10541313B2 (en) | 2018-03-06 | 2020-01-21 | Infineon Technologies Austria Ag | High Electron Mobility Transistor with dual thickness barrier layer |
US10516023B2 (en) | 2018-03-06 | 2019-12-24 | Infineon Technologies Austria Ag | High electron mobility transistor with deep charge carrier gas contact structure |
CN109004028B (zh) * | 2018-06-22 | 2021-06-22 | 杭州电子科技大学 | 一种具有源极相连P埋层和漏场板的GaN场效应晶体管 |
CN114093864B (zh) * | 2019-05-15 | 2023-12-22 | 英诺赛科(珠海)科技有限公司 | 静电防护电路及电子装置 |
US20230078017A1 (en) * | 2021-09-16 | 2023-03-16 | Wolfspeed, Inc. | Semiconductor device incorporating a substrate recess |
WO2023106087A1 (ja) * | 2021-12-09 | 2023-06-15 | 国立研究開発法人産業技術総合研究所 | 半導体装置 |
Family Cites Families (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6055996B2 (ja) | 1979-12-05 | 1985-12-07 | 松下電器産業株式会社 | 電場発光半導体装置 |
JPH10270570A (ja) | 1997-03-24 | 1998-10-09 | Texas Instr Japan Ltd | クランプ回路 |
US6100549A (en) | 1998-08-12 | 2000-08-08 | Motorola, Inc. | High breakdown voltage resurf HFET |
JP3129298B2 (ja) * | 1998-11-11 | 2001-01-29 | 日本電気株式会社 | 電界効果トランジスタ及びその製造方法 |
JP2001077353A (ja) | 1999-06-30 | 2001-03-23 | Toshiba Corp | 高電子移動度トランジスタ及び電力増幅器 |
JP4809515B2 (ja) * | 2000-04-19 | 2011-11-09 | Okiセミコンダクタ株式会社 | 電界効果トランジスタおよびその製造方法 |
US6956239B2 (en) | 2002-11-26 | 2005-10-18 | Cree, Inc. | Transistors having buried p-type layers beneath the source region |
JP4645034B2 (ja) | 2003-02-06 | 2011-03-09 | 株式会社豊田中央研究所 | Iii族窒化物半導体を有する半導体素子 |
JP3940699B2 (ja) | 2003-05-16 | 2007-07-04 | 株式会社東芝 | 電力用半導体素子 |
US7279697B2 (en) | 2003-12-05 | 2007-10-09 | International Rectifier Corporation | Field effect transistor with enhanced insulator structure |
US8174048B2 (en) | 2004-01-23 | 2012-05-08 | International Rectifier Corporation | III-nitride current control device and method of manufacture |
JP4334395B2 (ja) * | 2004-03-31 | 2009-09-30 | 株式会社東芝 | 半導体装置 |
US7573078B2 (en) | 2004-05-11 | 2009-08-11 | Cree, Inc. | Wide bandgap transistors with multiple field plates |
JP4810072B2 (ja) | 2004-06-15 | 2011-11-09 | 株式会社東芝 | 窒素化合物含有半導体装置 |
US7180103B2 (en) | 2004-09-24 | 2007-02-20 | Agere Systems Inc. | III-V power field effect transistors |
US7417267B2 (en) | 2004-09-24 | 2008-08-26 | International Rectifier Corporation | Non-planar III-nitride power device having a lateral conduction path |
JP4645313B2 (ja) | 2005-06-14 | 2011-03-09 | 富士電機システムズ株式会社 | 半導体装置 |
KR101045573B1 (ko) | 2005-07-06 | 2011-07-01 | 인터내쇼널 렉티파이어 코포레이션 | Ⅲ족 질화물 인헨스먼트 모드 소자 |
US8183595B2 (en) | 2005-07-29 | 2012-05-22 | International Rectifier Corporation | Normally off III-nitride semiconductor device having a programmable gate |
JP4798610B2 (ja) | 2006-01-13 | 2011-10-19 | ルネサスエレクトロニクス株式会社 | 半導体装置 |
JP5048382B2 (ja) | 2006-12-21 | 2012-10-17 | 株式会社豊田中央研究所 | 半導体装置とその製造方法 |
JP2008218846A (ja) * | 2007-03-06 | 2008-09-18 | Rohm Co Ltd | 窒化物半導体素子および窒化物半導体素子の製造方法 |
US8525224B2 (en) * | 2007-03-29 | 2013-09-03 | International Rectifier Corporation | III-nitride power semiconductor device |
JP2008258419A (ja) | 2007-04-05 | 2008-10-23 | Toshiba Corp | 窒化物半導体素子 |
JP5319084B2 (ja) * | 2007-06-19 | 2013-10-16 | ルネサスエレクトロニクス株式会社 | 半導体装置 |
JP2009004397A (ja) | 2007-06-19 | 2009-01-08 | Nec Electronics Corp | 半導体装置の製造方法 |
JP4478175B2 (ja) | 2007-06-26 | 2010-06-09 | 株式会社東芝 | 半導体装置 |
JP2009164158A (ja) | 2007-12-28 | 2009-07-23 | Panasonic Corp | 半導体装置及びその製造方法 |
-
2009
- 2009-04-21 DE DE102009018054.0A patent/DE102009018054B4/de active Active
-
2010
- 2010-04-20 JP JP2010097156A patent/JP5475535B2/ja active Active
- 2010-04-21 US US12/764,669 patent/US8314447B2/en active Active
-
2012
- 2012-11-20 US US13/681,958 patent/US8884335B2/en active Active
-
2013
- 2013-04-05 JP JP2013079756A patent/JP5678119B2/ja active Active
- 2013-04-05 JP JP2013079755A patent/JP5766740B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
US20130075790A1 (en) | 2013-03-28 |
JP2013153209A (ja) | 2013-08-08 |
US8884335B2 (en) | 2014-11-11 |
DE102009018054A1 (de) | 2010-11-11 |
JP2013175754A (ja) | 2013-09-05 |
JP5678119B2 (ja) | 2015-02-25 |
JP2010267958A (ja) | 2010-11-25 |
DE102009018054B4 (de) | 2018-11-29 |
JP5766740B2 (ja) | 2015-08-19 |
US8314447B2 (en) | 2012-11-20 |
US20100264462A1 (en) | 2010-10-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5766740B2 (ja) | 横型hemt | |
TWI767726B (zh) | 改良之氮化鎵結構 | |
US10522532B2 (en) | Through via extending through a group III-V layer | |
US9318619B2 (en) | Vertical gallium nitride JFET with gate and source electrodes on regrown gate | |
JP6367533B2 (ja) | ノーマリーオフ高電子移動度トランジスタ | |
US20130240951A1 (en) | Gallium nitride superjunction devices | |
KR20150092708A (ko) | 반도체 장치 | |
JP5145694B2 (ja) | SiC半導体縦型MOSFETの製造方法。 | |
US9059027B2 (en) | Semiconductor device | |
US9252253B2 (en) | High electron mobility transistor | |
TWI661555B (zh) | 增強型高電子遷移率電晶體元件 | |
US10249725B2 (en) | Transistor with a gate metal layer having varying width | |
EP3539159B1 (en) | Semiconductor devices with multiple channels and three-dimensional electrodes | |
CN116504759B (zh) | 一种半导体器件及其制备方法 | |
CN104766818A (zh) | 形成具有改进的隔离结构的集成电路的方法 | |
TWI658586B (zh) | 半導體結構及其製造方法 | |
JP5556863B2 (ja) | ワイドバンドギャップ半導体縦型mosfet | |
WO2006123458A1 (ja) | 半導体装置及びその製造方法 | |
CN114556561A (zh) | 基于氮化物的半导体ic芯片及其制造方法 | |
TWI849920B (zh) | 高電子遷移率電晶體及其製造方法 | |
US10446677B2 (en) | Semiconductor structures and method for fabricating the same | |
TWI701840B (zh) | 增強型高電子遷移率電晶體元件 | |
CN111146286B (zh) | 半导体装置 | |
CN106981508B (zh) | 具有垂直型跨接结构电极的水平式半导体元件 | |
CN114207838A (zh) | 应变增强型SiC功率半导体器件和制造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20121225 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20130108 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20130405 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20130723 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20130902 |
|
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: 20140107 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20140206 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 5475535 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |