JP2009542005A - 半絶縁エピタキシー上の炭化ケイ素および関連ワイドバンドギャップトランジスタ - Google Patents
半絶縁エピタキシー上の炭化ケイ素および関連ワイドバンドギャップトランジスタ Download PDFInfo
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- 229910010271 silicon carbide Inorganic materials 0.000 title claims description 60
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 title claims description 57
- 238000000407 epitaxy Methods 0.000 title description 4
- 229910052796 boron Inorganic materials 0.000 claims abstract description 129
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims abstract description 118
- 239000000758 substrate Substances 0.000 claims abstract description 88
- 238000002513 implantation Methods 0.000 claims abstract description 25
- 239000007943 implant Substances 0.000 claims abstract description 16
- -1 boron ions Chemical class 0.000 claims abstract description 12
- 238000004519 manufacturing process Methods 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 44
- 239000004065 semiconductor Substances 0.000 claims description 25
- 239000000463 material Substances 0.000 claims description 23
- 238000005530 etching Methods 0.000 claims description 6
- 238000000137 annealing Methods 0.000 claims description 5
- 230000005669 field effect Effects 0.000 claims description 4
- 230000007547 defect Effects 0.000 claims description 3
- 238000004377 microelectronic Methods 0.000 claims description 3
- 239000004020 conductor Substances 0.000 claims 1
- 229910044991 metal oxide Inorganic materials 0.000 claims 1
- 150000004706 metal oxides Chemical class 0.000 claims 1
- 239000010410 layer Substances 0.000 description 155
- 238000009792 diffusion process Methods 0.000 description 13
- 230000015572 biosynthetic process Effects 0.000 description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 238000002955 isolation Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 239000002019 doping agent Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005094 computer simulation Methods 0.000 description 1
- 230000003750 conditioning effect Effects 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
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- 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
- H01L29/15—Structures with periodic or quasi periodic potential variation, e.g. multiple quantum wells, superlattices
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- 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
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/77—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate
- H01L21/78—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices
- H01L21/82—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components
- H01L21/8213—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components the substrate being a semiconductor, using SiC technology
-
- 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
- H01L29/16—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by the materials of which they are formed including, apart from doping materials or other impurities, only elements of Group IV of the Periodic Table
- H01L29/1608—Silicon carbide
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- 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
- H01L29/66053—Multistep manufacturing processes of devices having a semiconductor body comprising crystalline silicon carbide
- H01L29/66068—Multistep manufacturing processes of devices having a semiconductor body comprising crystalline silicon carbide 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
-
- 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
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
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- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Recrystallisation Techniques (AREA)
- Bipolar Transistors (AREA)
- Bipolar Integrated Circuits (AREA)
- Junction Field-Effect Transistors (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
Abstract
Description
本明細書は、その全内容を参照文献として援用する2006年6月19日に出願された米国仮特許出願番号第60/805,139号に基づき、且つこれに優先して請求する。
Claims (35)
- 基板の表面あるいは第1のエピタキシャル層の表面にホウ素注入領域を形成するために前記基板あるいは前記基板上に形成された前記第1のエピタキシャル層にホウ素を注入すること、および
半絶縁エピタキシャル層を形成するために前記基板の前記ホウ素注入領域あるいは前記第1のエピタキシャル層の前記ホウ素注入領域上に第2のエピタキシャル層を成長させることを含む、半絶縁エピタキシャル層を製造する方法。 - 前記基板あるいは前記エピタキシャル層に注入することが約80KeVと約160KeVの間のエネルギーを有するホウ素イオンで衝撃することを含む、請求項1に記載の方法。
- 前記基板に注入することがp型炭化ケイ素基板に注入することを含む、請求項1に記載の方法。
- 前記第1のエピタキシャル層に注入することがn型炭化ケイ素エピタキシャル基板に注入することを含む、請求項1に記載の方法。
- 前記第2のエピタキシャル層を成長させることが約1500℃と約1700℃の間の温度で前記第2のエピタキシャル層を成長させることを含む、請求項1に記載の方法。
- 前記第2のエピタキシャル層を成長させることが約1時間と約3時間の間の時間で前記第2のエピタキシャル層を成長させることを含む、請求項1に記載の方法。
- 前記第2のエピタキシャル層を成長させることがn型の第2のエピタキシャル層を成長させることを含む、請求項1に記載の方法。
- 前記半絶縁エピタキシャル層を形成するために前記ホウ素注入領域内のホウ素が前記ホウ素注入領域上に成長した前記第2のエピタキシャル層に拡散する、請求項1に記載の方法。
- 前記第2のエピタキシャル層内にD−センターを形成するために前記ホウ素注入領域内のホウ素が前記ホウ素注入領域上で成長した前記第2のエピタキシャル層に拡散する、請求項8に記載の方法。
- 前記半絶縁エピタキシャル層を形成するために前記ホウ素注入領域内のホウ素が前記第1のエピタキシャル層にも前記第2のエピタキシャル層にも拡散する、請求項1に記載の方法。
- 前記第1および第2のエピタキシャル層のいずれにもD−センターを形成するために前記ホウ素注入領域内のホウ素が前記第1のエピタキシャル層にも前記第2のエピタキシャル層にも拡散する、請求項10に記載の方法。
- 前記半絶縁エピタキシャル層を形成した後で、前記ホウ素注入領域を取り除くことをさらに含む、請求項1に記載の方法。
- 前記ホウ素注入領域を取り除くことが前記ホウ素注入領域をエッチングすることを含む、請求項12に記載の方法。
- 前記第1のエピタキシャル層の表面にマスク材料を適用することをさらに含む、請求項1に記載の方法。
- 前記第1のエピタキシャル層にトレンチを形成することをさらに含む、請求項14に記載の方法。
- トレンチを形成することが前記第1のエピタキシャル層の非マスク領域をエッチングすることを含む、請求項15に記載の方法。
- 前記第1のエピタキシャル層に注入することが前記トレンチ内にホウ素注入領域を形成するために前記第1のエピタキシャル層に前記トレンチを形成した後に前記第1のエピタキシャル層に注入することを含む、請求項15に記載の方法。
- 前記マスク材料を除去することをさらに含む、請求項17に記載の方法。
- 前記ホウ素が前記第1のエピタキシャル層により深く拡散するよう高温アニーリング工程を適用することをさらに含む、請求項18に記載の方法。
- 前記第1のエピタキシャル層の表面上にマスク領域および非マスク領域を区画するために前記ホウ素注入領域上にマスク材料を適用することをさらに含む、請求項1に記載の方法。
- 前記第1のエピタキシャル層の前記非マスク領域および前記ホウ素注入領域の前記非マスク領域にトレンチを形成することをさらに含む、請求項20に記載の方法。
- 前記マスク材料を除去することおよび前記第1のエピタキシャル層上および前記ホウ素注入領域上に前記第2のエピタキシャル層を成長させることをさらに含む、請求項21に記載の方法。
- 前記第1のエピタキシャル層上および前記ホウ素注入領域上に前記第2のエピタキシャル層を成長させることが前記トレンチを充填することおよび前記トレンチ上で前記第2のエピタキシャル層を平坦化すること含む、請求項22に記載の方法。
- 前記半絶縁エピタキシャル層を形成するために前記第1のエピタキシャル層上で前記第2のエピタキシャル層が成長する際に前記ホウ素注入領域内のホウ素が前記第1および前記第2のエピタキシャル層内に拡散する、請求項22に記載の方法。
- 基板、
前記基板上に形成された半絶縁炭化ケイ素エピタキシャル層であって、前記半絶縁炭化ケイ素エピタキシャル層がホウ素およびホウ素関連D−センター欠損を含む半絶縁炭化ケイ素エピタキシャル層、および
前記基板の表面上あるいは前記第1のエピタキシャル層の表面上にホウ素注入領域を形成するために前記基板あるいは前記基板上に形成された前記第1のエピタキシャル層にホウ素イオンを注入すること、および前記基板の前記ホウ素注入領域上あるいは前記第1のエピタキシャル層の前記ホウ素注入領域上に第2のエピタキシャル層を成長させることにより前記半絶縁エピタキシャル炭化ケイ素層が形成される、前記半絶縁炭化ケイ素層上に形成された第1の半導体デバイスを含むマイクロエレクトロニクスデバイス。 - 前記第1の半導体デバイスが高周波数デバイスである、請求項25に記載のデバイス。
- 前記基板が伝導体である、請求項25に記載のデバイス。
- 前記基板がp型基板を含む、請求項25に記載のデバイス。
- 前記基板がn型基板を含む、請求項25に記載のデバイス。
- 前記第1の半導体デバイスが金属酸化膜電界効果トランジスタを含む、請求項25に記載のデバイス。
- 前記第1の半導体デバイスがバイポーラ接合トランジスタを含む、請求項25に記載のデバイス。
- 前記第1の半導体が接合電界効果トランジスタを含む、請求項25に記載のデバイス。
- 前記半絶縁炭化ケイ素層上に形成された第2の半導体デバイスをさらに含む、請求項25に記載のデバイス。
- 前記第2の半導体デバイスが前記第1の半導体デバイスと物理的に分離される、請求項33に記載のデバイス。
- 前記第2の半導体デバイスが前記第1の半導体デバイスと電気的に分離される、請求項33に記載のデバイス。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US80513906P | 2006-06-19 | 2006-06-19 | |
US60/805,139 | 2006-06-19 | ||
US11/764,593 | 2007-06-18 | ||
US11/764,593 US7821015B2 (en) | 2006-06-19 | 2007-06-18 | Silicon carbide and related wide-bandgap transistors on semi insulating epitaxy |
PCT/US2007/071549 WO2007149849A1 (en) | 2006-06-19 | 2007-06-19 | Silicon carbide and related wide-bandgap transistors on semi insulating epitaxy |
Publications (3)
Publication Number | Publication Date |
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JP2009542005A true JP2009542005A (ja) | 2009-11-26 |
JP2009542005A5 JP2009542005A5 (ja) | 2012-11-29 |
JP5580045B2 JP5580045B2 (ja) | 2014-08-27 |
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JP2009516677A Expired - Fee Related JP5580045B2 (ja) | 2006-06-19 | 2007-06-19 | 半絶縁エピタキシー上の炭化ケイ素および関連ワイドバンドギャップトランジスタ |
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US (3) | US7821015B2 (ja) |
EP (1) | EP2030243A1 (ja) |
JP (1) | JP5580045B2 (ja) |
KR (1) | KR101418615B1 (ja) |
CN (1) | CN102723360A (ja) |
AU (1) | AU2007261054B2 (ja) |
CA (1) | CA2654634A1 (ja) |
NZ (1) | NZ572662A (ja) |
PH (1) | PH12012501605A1 (ja) |
WO (1) | WO2007149849A1 (ja) |
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US7821015B2 (en) | 2010-10-26 |
KR101418615B1 (ko) | 2014-07-14 |
KR20090033224A (ko) | 2009-04-01 |
US20120199940A1 (en) | 2012-08-09 |
NZ572662A (en) | 2012-02-24 |
CN102723360A (zh) | 2012-10-10 |
EP2030243A1 (en) | 2009-03-04 |
PH12012501605A1 (en) | 2015-01-26 |
US20070290212A1 (en) | 2007-12-20 |
WO2007149849A1 (en) | 2007-12-27 |
AU2007261054A1 (en) | 2007-12-27 |
AU2007261054B2 (en) | 2013-09-26 |
CA2654634A1 (en) | 2007-12-27 |
US20110003456A1 (en) | 2011-01-06 |
US8183124B2 (en) | 2012-05-22 |
US8592826B2 (en) | 2013-11-26 |
JP5580045B2 (ja) | 2014-08-27 |
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