JP2010006699A - 低底面転位バルク成長SiCウェハ - Google Patents
低底面転位バルク成長SiCウェハ Download PDFInfo
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- JP2010006699A JP2010006699A JP2009154425A JP2009154425A JP2010006699A JP 2010006699 A JP2010006699 A JP 2010006699A JP 2009154425 A JP2009154425 A JP 2009154425A JP 2009154425 A JP2009154425 A JP 2009154425A JP 2010006699 A JP2010006699 A JP 2010006699A
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- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B33/00—After-treatment of single crystals or homogeneous polycrystalline material with defined structure
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- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B23/00—Single-crystal growth by condensing evaporated or sublimed materials
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- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
- C30B29/10—Inorganic compounds or compositions
- C30B29/36—Carbides
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D12/00—Bipolar devices controlled by the field effect, e.g. insulated-gate bipolar transistors [IGBT]
- H10D12/01—Manufacture or treatment
- H10D12/031—Manufacture or treatment of IGBTs
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/01—Manufacture or treatment
- H10D30/021—Manufacture or treatment of FETs having insulated gates [IGFET]
- H10D30/027—Manufacture or treatment of FETs having insulated gates [IGFET] of lateral single-gate IGFETs
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/01—Manufacture or treatment
- H10D30/061—Manufacture or treatment of FETs having Schottky gates
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- 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
- H10D62/83—Semiconductor bodies, or regions thereof, of devices having potential barriers characterised by the materials being Group IV materials, e.g. B-doped Si or undoped Ge
- H10D62/832—Semiconductor bodies, or regions thereof, of devices having potential barriers characterised by the materials being Group IV materials, e.g. B-doped Si or undoped Ge being Group IV materials comprising two or more elements, e.g. SiGe
- H10D62/8325—Silicon carbide
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- H10P14/2904—
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- H10P14/3416—
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- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Junction Field-Effect Transistors (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
- Recrystallisation Techniques (AREA)
Abstract
【解決手段】少なくとも直径約3インチ(75mm)と、4°オフ軸のウェハに対して、約500cm−2未満の底面転位密度を有する少なくとも1平方インチ(6.25cm2)の連続した表面領域とを有するSiCウェハであって、その製造方法は、3インチよりわずかに大きい直径を有するSiCブールを形成するステップと、0001平面に対して約2°と12°の間の角度で、該ブールをスライスして、ウェハにするステップであって、該ウェハは、各ウェハ上に、500cm−2未満の底面転位密度を有する少なくとも1平方インチの連続した表面領域を有する、ステップとを包含する。前記方法で背蔵した高品質シリコンカーバイド半導体前駆体ウェハ4は、追加的に、1つ以上の少なくとも一つのIII族窒化物層6を有する。
【選択図】図2
Description
本発明は、低欠陥シリコンカーバイドウェハおよび半導体用途のための前駆体としてのその使用と、大型高品質シリコンカーバイド単結晶のシード昇華成長とに関する。
一つの局面において、本発明は、SiCの高品質単結晶ウェハであり、該高品質単結晶ウェハは、少なくとも約3インチ(75mm)の直径と、約200cm−2未満の底面転位密度を有する少なくとも1平方インチ(6.25cm2)の連続した表面領域とを有する。
本発明は、高品質シリコンカーバイドウェハに関する。特に、本発明は、シード昇華を用いるこのようなウェハの成長を改善するための幾つかの技術を組み込んでいる。
Claims (1)
- 本願明細書に記載のSiCの高品質単結晶ウェハ。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/147,645 | 2005-06-08 | ||
| US11/147,645 US7294324B2 (en) | 2004-09-21 | 2005-06-08 | Low basal plane dislocation bulk grown SiC wafers |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2008514631A Division JP2008542181A (ja) | 2005-06-08 | 2006-04-05 | 低底面転位バルク成長SiCウェハ |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2010006699A true JP2010006699A (ja) | 2010-01-14 |
| JP5653598B2 JP5653598B2 (ja) | 2015-01-14 |
Family
ID=36659751
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2008514631A Pending JP2008542181A (ja) | 2005-06-08 | 2006-04-05 | 低底面転位バルク成長SiCウェハ |
| JP2008184963A Pending JP2008290938A (ja) | 2005-06-08 | 2008-07-16 | 低底面転位バルク成長SiCウェハ |
| JP2009154425A Active JP5653598B2 (ja) | 2005-06-08 | 2009-06-29 | 低底面転位バルク成長SiCウェハ |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2008514631A Pending JP2008542181A (ja) | 2005-06-08 | 2006-04-05 | 低底面転位バルク成長SiCウェハ |
| JP2008184963A Pending JP2008290938A (ja) | 2005-06-08 | 2008-07-16 | 低底面転位バルク成長SiCウェハ |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US7294324B2 (ja) |
| EP (1) | EP1888821B1 (ja) |
| JP (3) | JP2008542181A (ja) |
| CN (1) | CN101194052B (ja) |
| TW (1) | TWI343423B (ja) |
| WO (1) | WO2006135476A1 (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016149497A (ja) * | 2015-02-13 | 2016-08-18 | 住友電気工業株式会社 | 半導体装置 |
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| EP2059946B1 (en) * | 2006-09-14 | 2019-12-11 | Cree, Inc. | Micropipe-free silicon carbide and related method of manufacture |
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Also Published As
| Publication number | Publication date |
|---|---|
| TWI343423B (en) | 2011-06-11 |
| TW200700596A (en) | 2007-01-01 |
| EP1888821B1 (en) | 2014-11-19 |
| US20060075958A1 (en) | 2006-04-13 |
| JP5653598B2 (ja) | 2015-01-14 |
| JP2008542181A (ja) | 2008-11-27 |
| EP1888821A1 (en) | 2008-02-20 |
| JP2008290938A (ja) | 2008-12-04 |
| WO2006135476A1 (en) | 2006-12-21 |
| US7294324B2 (en) | 2007-11-13 |
| CN101194052A (zh) | 2008-06-04 |
| CN101194052B (zh) | 2012-05-30 |
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