JP7128067B2 - ウエーハの生成方法およびレーザー加工装置 - Google Patents
ウエーハの生成方法およびレーザー加工装置 Download PDFInfo
- Publication number
- JP7128067B2 JP7128067B2 JP2018172314A JP2018172314A JP7128067B2 JP 7128067 B2 JP7128067 B2 JP 7128067B2 JP 2018172314 A JP2018172314 A JP 2018172314A JP 2018172314 A JP2018172314 A JP 2018172314A JP 7128067 B2 JP7128067 B2 JP 7128067B2
- Authority
- JP
- Japan
- Prior art keywords
- laser beam
- sic
- sic ingot
- axis
- facet
- 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
- 238000004519 manufacturing process Methods 0.000 title claims description 10
- 238000000034 method Methods 0.000 claims description 23
- 230000001678 irradiating effect Effects 0.000 claims description 17
- 230000001965 increasing effect Effects 0.000 claims description 12
- 229910052710 silicon Inorganic materials 0.000 claims description 11
- 229910052799 carbon Inorganic materials 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 9
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 116
- 229910010271 silicon carbide Inorganic materials 0.000 description 116
- 235000012431 wafers Nutrition 0.000 description 43
- 239000010410 layer Substances 0.000 description 30
- 238000003384 imaging method Methods 0.000 description 12
- 239000013078 crystal Substances 0.000 description 6
- 230000003028 elevating effect Effects 0.000 description 6
- 238000000926 separation method Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000004299 exfoliation Methods 0.000 description 2
- 239000002346 layers by function Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
Images
Classifications
-
- 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
- H01L21/02002—Preparing wafers
- H01L21/02005—Preparing bulk and homogeneous wafers
- H01L21/02008—Multistep processes
- H01L21/0201—Specific process step
- H01L21/02013—Grinding, lapping
-
- 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
- H01L21/02002—Preparing wafers
- H01L21/02005—Preparing bulk and homogeneous wafers
- H01L21/02008—Multistep processes
- H01L21/0201—Specific process step
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/362—Laser etching
- B23K26/364—Laser etching for making a groove or trench, e.g. for scribing a break initiation groove
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/08—Devices involving relative movement between laser beam and workpiece
- B23K26/083—Devices involving movement of the workpiece in at least one axial direction
- B23K26/0853—Devices involving movement of the workpiece in at least in two axial directions, e.g. in a plane
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/38—Removing material by boring or cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/40—Removing material taking account of the properties of the material involved
- B23K26/402—Removing material taking account of the properties of the material involved involving non-metallic material, e.g. isolators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/70—Auxiliary operations or equipment
- B23K26/702—Auxiliary equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D5/00—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor
- B28D5/0005—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor by breaking, e.g. dicing
- B28D5/0011—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor by breaking, e.g. dicing with preliminary treatment, e.g. weakening by scoring
-
- 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
- H01L21/02002—Preparing wafers
-
- 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
- H01L21/02002—Preparing wafers
- H01L21/02005—Preparing bulk and homogeneous wafers
- H01L21/02008—Multistep processes
-
- 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
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
- H01L21/02112—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer
- H01L21/02123—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon
- H01L21/02167—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon the material being a silicon carbide not containing oxygen, e.g. SiC, SiC:H or silicon carbonitrides
-
- 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
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02367—Substrates
- H01L21/0237—Materials
- H01L21/02373—Group 14 semiconducting materials
- H01L21/02378—Silicon carbide
-
- 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
- H01L21/0445—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 crystalline silicon carbide
-
- 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
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67092—Apparatus for mechanical treatment
-
- 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
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67242—Apparatus for monitoring, sorting or marking
- H01L21/67259—Position monitoring, e.g. misposition detection or presence detection
-
- 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
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/76—Making of isolation regions between components
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/50—Inorganic material, e.g. metals, not provided for in B23K2103/02 – B23K2103/26
- B23K2103/52—Ceramics
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D5/00—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor
- B28D5/0058—Accessories specially adapted for use with machines for fine working of gems, jewels, crystals, e.g. of semiconductor material
- B28D5/0082—Accessories specially adapted for use with machines for fine working of gems, jewels, crystals, e.g. of semiconductor material for supporting, holding, feeding, conveying or discharging work
- B28D5/0094—Accessories specially adapted for use with machines for fine working of gems, jewels, crystals, e.g. of semiconductor material for supporting, holding, feeding, conveying or discharging work the supporting or holding device being of the vacuum type
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Mechanical Engineering (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
- Laser Beam Processing (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Description
(非Facet領域:屈折率2.65)
パルスレーザー光線の波長 :1064nm
平均出力 :7W
繰り返し周波数 :30kHz
パルス幅 :3ns
送り速度 :165mm/s
デフォーカス :188μm
SiCインゴットの上面からの剥離層の位置 :500μm
(Facet領域:屈折率2.79)
パルスレーザー光線の波長 :1064nm
平均出力 :9.1W
繰り返し周波数 :30kHz
パルス幅 :3ns
送り速度 :165mm/s
デフォーカス :179μm
SiCインゴットの上面からの剥離層の位置 :500μm
4:保持手段
6:Facet領域検出手段
8:座標設定手段
10:集光器
12:レーザー光線照射手段
14:X軸送り手段
16:Y軸送り手段
18:制御手段
72:SiCインゴット
86:Facet領域
88:非Facet領域
94:剥離層
96:SiCウエーハ
Claims (2)
- SiCインゴットからSiCウエーハを生成するウエーハの生成方法であって、
SiCインゴットの上面を研削して平坦面に形成する平坦面形成工程と、
SiCインゴットの上面からFacet領域を検出すると共にSiCインゴットの上面に対してc面が傾きオフ角が形成される方向に直交する方向をX軸とし該X軸に直交する方向をY軸としてFacet領域と非Facet領域とのX座標Y座標を設定する座標設定工程と、
SiCに対して透過性を有する波長のレーザー光線の集光点をSiCインゴットの上面から生成すべきウエーハの厚みに相当する深さに位置づけて、レーザー加工装置の集光器からレーザー光線をSiCインゴットに照射しながらSiCインゴットと該集光点とを該X軸方向に相対的に加工送りしてSiCがSiとCとに分離すると共にc面に沿ってクラックが伸長した帯状の剥離層を形成する加工送り工程と、
SiCインゴットと該集光点とを該Y軸方向に相対的に割り出し送りして帯状の剥離層を該Y軸方向に並設させる割り出し送り工程と、
剥離層から生成すべきウエーハを剥離する剥離工程と、
から少なくとも構成され、
該加工送り工程において、該座標設定工程で設定した該Facet領域と該非Facet領域とのX座標Y座標に基づいて、該非Facet領域にレーザー光線を照射する際のレーザー光線のエネルギーと該集光器の位置に対して、該Facet領域にレーザー光線を照射する際のレーザー光線のエネルギーを上昇させると共に該集光器の位置を上昇させるウエーハの生成方法。 - SiCインゴットに剥離層を形成するレーザー加工装置であって、
SiCインゴットを保持する保持手段と、
SiCインゴットの上面からFacet領域を検出するFacet領域検出手段と、
SiCインゴットの上面に対してc面が傾きオフ角が形成される方向に直交する方向をX軸とし該X軸に直交する方向をY軸としてFacet領域と非Facet領域とのX座標Y座標を設定し記録する座標設定手段と、
SiCに対して透過性を有する波長のレーザー光線の集光点をSiCインゴットの上面から生成すべきウエーハの厚みに相当する深さに位置づけてレーザー光線をSiCインゴットに照射しSiCがSiとCとに分離すると共にc面に沿ってクラックが伸長した剥離層を形成する集光器を含むレーザー光線照射手段と、
該保持手段と該集光器とを該X軸方向に相対的に加工送りするX軸送り手段と、
該保持手段と該集光器とを該Y軸方向に相対的に割り出し送りするY軸送り手段と、
該Facet領域と該非Facet領域とのX座標Y座標に基づいて、該非Facet領域にレーザー光線を照射する際のレーザー光線のエネルギーと該集光器の位置に対して、該Facet領域にレーザー光線を照射する際のレーザー光線のエネルギーを上昇させると共に該集光器の位置を上昇させる制御手段と、
から少なくとも構成されるレーザー加工装置。
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018172314A JP7128067B2 (ja) | 2018-09-14 | 2018-09-14 | ウエーハの生成方法およびレーザー加工装置 |
KR1020190102561A KR102690178B1 (ko) | 2018-09-14 | 2019-08-21 | 웨이퍼의 생성 방법 및 레이저 가공 장치 |
CN201910801041.3A CN110911268B (zh) | 2018-09-14 | 2019-08-28 | 晶片的生成方法和激光加工装置 |
SG10201908236PA SG10201908236PA (en) | 2018-09-14 | 2019-09-06 | Wafer producing method and laser processing apparatus |
US16/563,282 US11273522B2 (en) | 2018-09-14 | 2019-09-06 | Wafer producing method and laser processing apparatus |
TW108132699A TWI791890B (zh) | 2018-09-14 | 2019-09-11 | 晶圓的生成方法及雷射加工裝置 |
DE102019213984.1A DE102019213984A1 (de) | 2018-09-14 | 2019-09-13 | Waferherstellungsverfahren und laserbearbeitungsvorrichtung |
US17/650,735 US11597039B2 (en) | 2018-09-14 | 2022-02-11 | Wafer producing method and laser processing apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018172314A JP7128067B2 (ja) | 2018-09-14 | 2018-09-14 | ウエーハの生成方法およびレーザー加工装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2020047619A JP2020047619A (ja) | 2020-03-26 |
JP7128067B2 true JP7128067B2 (ja) | 2022-08-30 |
Family
ID=69646900
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018172314A Active JP7128067B2 (ja) | 2018-09-14 | 2018-09-14 | ウエーハの生成方法およびレーザー加工装置 |
Country Status (7)
Country | Link |
---|---|
US (2) | US11273522B2 (ja) |
JP (1) | JP7128067B2 (ja) |
KR (1) | KR102690178B1 (ja) |
CN (1) | CN110911268B (ja) |
DE (1) | DE102019213984A1 (ja) |
SG (1) | SG10201908236PA (ja) |
TW (1) | TWI791890B (ja) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10682738B2 (en) * | 2017-09-29 | 2020-06-16 | Uchicago Argonne, Llc | Channel cut polishing machine |
JP7229729B2 (ja) * | 2018-11-08 | 2023-02-28 | 株式会社ディスコ | Facet領域の検出方法および検出装置ならびにウエーハの生成方法およびレーザー加工装置 |
US10576585B1 (en) | 2018-12-29 | 2020-03-03 | Cree, Inc. | Laser-assisted method for parting crystalline material |
US10562130B1 (en) | 2018-12-29 | 2020-02-18 | Cree, Inc. | Laser-assisted method for parting crystalline material |
US11024501B2 (en) | 2018-12-29 | 2021-06-01 | Cree, Inc. | Carrier-assisted method for parting crystalline material along laser damage region |
US10611052B1 (en) | 2019-05-17 | 2020-04-07 | Cree, Inc. | Silicon carbide wafers with relaxed positive bow and related methods |
JP7330771B2 (ja) * | 2019-06-14 | 2023-08-22 | 株式会社ディスコ | ウエーハの生成方法およびウエーハの生成装置 |
JP7656500B2 (ja) | 2021-06-24 | 2025-04-03 | 株式会社ディスコ | ファセット領域の検出方法、ウエーハの生成方法、検出装置、およびレーザー加工装置 |
EP4447093A4 (en) * | 2021-12-08 | 2025-03-12 | Denso Corp | WAFER MANUFACTURING PROCESS |
WO2023106017A1 (ja) * | 2021-12-08 | 2023-06-15 | 株式会社デンソー | ウェハ製造方法 |
CN114523214B (zh) * | 2022-03-04 | 2024-08-09 | 湖北豪杰机电科技有限公司 | 一种精准度高的汽车钣金件用激光切割机 |
CN115592273A (zh) * | 2022-10-28 | 2023-01-13 | 九江精密测试技术研究所(Cn) | 一种可变行程的激光刻字机系统 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005294325A (ja) | 2004-03-31 | 2005-10-20 | Sharp Corp | 基板製造方法及び基板製造装置 |
JP2016100440A (ja) | 2014-11-20 | 2016-05-30 | 住友電気工業株式会社 | 炭化珪素基板の製造方法 |
JP2016146447A (ja) | 2015-02-09 | 2016-08-12 | 株式会社ディスコ | ウエーハの生成方法 |
JP2016197699A (ja) | 2015-04-06 | 2016-11-24 | 株式会社ディスコ | ウエーハの生成方法 |
JP2017190286A (ja) | 2017-07-20 | 2017-10-19 | 住友電気工業株式会社 | 炭化珪素単結晶基板 |
WO2018062224A1 (ja) | 2016-09-27 | 2018-04-05 | トヨタ自動車株式会社 | SiC単結晶の製造方法及びSiC種結晶 |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000094221A (ja) | 1998-09-24 | 2000-04-04 | Toyo Advanced Technologies Co Ltd | 放電式ワイヤソー |
JP3760187B2 (ja) * | 2003-04-07 | 2006-03-29 | 同和鉱業株式会社 | 単結晶インゴットの加工方法 |
US7326477B2 (en) * | 2003-09-23 | 2008-02-05 | Saint-Gobain Ceramics & Plastics, Inc. | Spinel boules, wafers, and methods for fabricating same |
JP6025306B2 (ja) * | 2011-05-16 | 2016-11-16 | 株式会社豊田中央研究所 | SiC単結晶、SiCウェハ及び半導体デバイス |
WO2014203240A1 (en) * | 2013-06-20 | 2014-12-24 | Gem Solar Ltd. | Kerf-free ingot wafering |
JP6399913B2 (ja) | 2014-12-04 | 2018-10-03 | 株式会社ディスコ | ウエーハの生成方法 |
JP6494457B2 (ja) * | 2015-07-16 | 2019-04-03 | 株式会社ディスコ | ウエーハの生成方法 |
JP7005122B6 (ja) * | 2015-12-18 | 2023-10-24 | 昭和電工株式会社 | SiCシード及びSiCインゴット |
WO2017135272A1 (ja) * | 2016-02-04 | 2017-08-10 | 新日鐵住金株式会社 | SiC単結晶の製造方法及びSiC種結晶 |
JP6604891B2 (ja) * | 2016-04-06 | 2019-11-13 | 株式会社ディスコ | ウエーハの生成方法 |
JP6690983B2 (ja) * | 2016-04-11 | 2020-04-28 | 株式会社ディスコ | ウエーハ生成方法及び実第2のオリエンテーションフラット検出方法 |
JP6773539B2 (ja) * | 2016-12-06 | 2020-10-21 | 株式会社ディスコ | ウエーハ生成方法 |
JP6831253B2 (ja) * | 2017-01-27 | 2021-02-17 | 株式会社ディスコ | レーザー加工装置 |
JP6797481B2 (ja) * | 2017-03-01 | 2020-12-09 | 株式会社ディスコ | 半導体インゴットの検査方法、検査装置及びレーザー加工装置 |
JP6935224B2 (ja) * | 2017-04-25 | 2021-09-15 | 株式会社ディスコ | ウエーハの生成方法 |
JP6976745B2 (ja) * | 2017-06-30 | 2021-12-08 | 株式会社ディスコ | ウエーハ生成装置 |
JP2019029382A (ja) * | 2017-07-25 | 2019-02-21 | 株式会社ディスコ | ウエーハの生成方法およびウエーハ生成装置 |
JP7229729B2 (ja) * | 2018-11-08 | 2023-02-28 | 株式会社ディスコ | Facet領域の検出方法および検出装置ならびにウエーハの生成方法およびレーザー加工装置 |
US11024501B2 (en) * | 2018-12-29 | 2021-06-01 | Cree, Inc. | Carrier-assisted method for parting crystalline material along laser damage region |
US10611052B1 (en) * | 2019-05-17 | 2020-04-07 | Cree, Inc. | Silicon carbide wafers with relaxed positive bow and related methods |
JP7330771B2 (ja) * | 2019-06-14 | 2023-08-22 | 株式会社ディスコ | ウエーハの生成方法およびウエーハの生成装置 |
-
2018
- 2018-09-14 JP JP2018172314A patent/JP7128067B2/ja active Active
-
2019
- 2019-08-21 KR KR1020190102561A patent/KR102690178B1/ko active Active
- 2019-08-28 CN CN201910801041.3A patent/CN110911268B/zh active Active
- 2019-09-06 SG SG10201908236PA patent/SG10201908236PA/en unknown
- 2019-09-06 US US16/563,282 patent/US11273522B2/en active Active
- 2019-09-11 TW TW108132699A patent/TWI791890B/zh active
- 2019-09-13 DE DE102019213984.1A patent/DE102019213984A1/de active Granted
-
2022
- 2022-02-11 US US17/650,735 patent/US11597039B2/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005294325A (ja) | 2004-03-31 | 2005-10-20 | Sharp Corp | 基板製造方法及び基板製造装置 |
JP2016100440A (ja) | 2014-11-20 | 2016-05-30 | 住友電気工業株式会社 | 炭化珪素基板の製造方法 |
JP2016146447A (ja) | 2015-02-09 | 2016-08-12 | 株式会社ディスコ | ウエーハの生成方法 |
JP2016197699A (ja) | 2015-04-06 | 2016-11-24 | 株式会社ディスコ | ウエーハの生成方法 |
WO2018062224A1 (ja) | 2016-09-27 | 2018-04-05 | トヨタ自動車株式会社 | SiC単結晶の製造方法及びSiC種結晶 |
JP2017190286A (ja) | 2017-07-20 | 2017-10-19 | 住友電気工業株式会社 | 炭化珪素単結晶基板 |
Also Published As
Publication number | Publication date |
---|---|
US11597039B2 (en) | 2023-03-07 |
DE102019213984A1 (de) | 2020-03-19 |
KR102690178B1 (ko) | 2024-07-30 |
TW202013486A (zh) | 2020-04-01 |
CN110911268A (zh) | 2020-03-24 |
TWI791890B (zh) | 2023-02-11 |
US20200086426A1 (en) | 2020-03-19 |
US20220161367A1 (en) | 2022-05-26 |
SG10201908236PA (en) | 2020-04-29 |
CN110911268B (zh) | 2024-03-19 |
KR20200031515A (ko) | 2020-03-24 |
JP2020047619A (ja) | 2020-03-26 |
US11273522B2 (en) | 2022-03-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP7128067B2 (ja) | ウエーハの生成方法およびレーザー加工装置 | |
JP7229729B2 (ja) | Facet領域の検出方法および検出装置ならびにウエーハの生成方法およびレーザー加工装置 | |
CN108372434B (zh) | SiC晶片的生成方法 | |
JP6723877B2 (ja) | ウエーハ生成方法 | |
TWI714764B (zh) | 晶圓生成方法 | |
TWI732065B (zh) | SiC晶圓的生成方法 | |
JP7321888B2 (ja) | SiCインゴットの加工方法およびレーザー加工装置 | |
JP6698468B2 (ja) | ウエーハ生成方法 | |
JP2019175907A (ja) | ウエーハの生成方法およびウエーハの生成装置 | |
JP7547105B2 (ja) | Si基板生成方法 | |
JP7330771B2 (ja) | ウエーハの生成方法およびウエーハの生成装置 | |
JP7443053B2 (ja) | レーザー加工装置 | |
CN114589421A (zh) | SiC锭的加工方法和激光加工装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20210707 |
|
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: 20220726 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20220729 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20220818 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 7128067 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |