CN104813439B - 平坦的SiC半导体基板 - Google Patents
平坦的SiC半导体基板 Download PDFInfo
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- CN104813439B CN104813439B CN201380060888.1A CN201380060888A CN104813439B CN 104813439 B CN104813439 B CN 104813439B CN 201380060888 A CN201380060888 A CN 201380060888A CN 104813439 B CN104813439 B CN 104813439B
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- silicon carbide
- single crystal
- polishing
- crystal silicon
- sic
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- 239000004065 semiconductor Substances 0.000 title description 17
- 238000000034 method Methods 0.000 claims abstract description 94
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims abstract description 90
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- 235000012431 wafers Nutrition 0.000 claims abstract description 71
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 29
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- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 2
- 229910052801 chlorine Inorganic materials 0.000 claims description 2
- 239000000460 chlorine Substances 0.000 claims description 2
- 239000012808 vapor phase Substances 0.000 claims description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims 1
- 238000003801 milling Methods 0.000 claims 1
- 238000000151 deposition Methods 0.000 abstract description 6
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
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- 229910002601 GaN Inorganic materials 0.000 description 2
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 description 2
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- 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
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/302—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
- H01L21/306—Chemical or electrical treatment, e.g. electrolytic etching
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
- B24B9/06—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain
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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
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- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02002—Preparing wafers
- H01L21/02005—Preparing bulk and homogeneous wafers
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- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
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- 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
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- 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
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- Crystallography & Structural Chemistry (AREA)
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- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Abstract
Description
测量 | 值(微米) |
中心厚度 | 399.1 |
平均厚度 | 398.6 |
最小厚度 | 397.6 |
最大厚度 | 399.3 |
TTV | 1.7 |
弯曲度 | 0.5 |
翘曲度 | 23.3 |
SORI | 15.8 |
GBIR | 1.7 |
最大SFQR | .17 |
最大SBIR | 0.51 |
均方根粗糙度AFM(2×2μm部位) | 0.072x 10-3 |
测量 | 值(微米) |
中心厚度 | 358.8 |
平均厚度 | 358.41 |
最小厚度 | 357.8 |
最大厚度 | 358.9 |
TTV | 1.05 |
弯曲度 | -9.3 |
翘曲度 | 15.6 |
SORI | 15.3 |
GBIR | 1.05 |
最大SFQR | 0.20 |
最大SBIR | 0.88 |
均方根粗糙度AFM(2×2μm部位) | 0.741x 10-3 |
测量 | 值(微米) |
中心厚度 | 372.1 |
平均厚度 | 371.9 |
最小厚度 | 371.4 |
最大厚度 | 372.2 |
TTV | 0.79 |
弯曲度 | -7.30 |
翘曲度 | 15.2 |
SORI | 14.2 |
GBIR | 0.79 |
最大SFQR | 0.21 |
最大SBIR | 0.58 |
Claims (13)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201261719310P | 2012-10-26 | 2012-10-26 | |
US61/719,310 | 2012-10-26 | ||
US13/959,896 US9018639B2 (en) | 2012-10-26 | 2013-08-06 | Flat SiC semiconductor substrate |
US13/959,896 | 2013-08-06 | ||
PCT/US2013/059064 WO2014065949A1 (en) | 2012-10-26 | 2013-09-10 | FLAT SiC SEMICONDUCTOR SUBSTRATE |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104813439A CN104813439A (zh) | 2015-07-29 |
CN104813439B true CN104813439B (zh) | 2017-04-12 |
Family
ID=49226567
Family Applications (1)
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CN201380060888.1A Active CN104813439B (zh) | 2012-10-26 | 2013-09-10 | 平坦的SiC半导体基板 |
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