JP7325911B2 - 被加工物の加工方法 - Google Patents
被加工物の加工方法 Download PDFInfo
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- JP7325911B2 JP7325911B2 JP2019189674A JP2019189674A JP7325911B2 JP 7325911 B2 JP7325911 B2 JP 7325911B2 JP 2019189674 A JP2019189674 A JP 2019189674A JP 2019189674 A JP2019189674 A JP 2019189674A JP 7325911 B2 JP7325911 B2 JP 7325911B2
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- 238000003672 processing method Methods 0.000 title claims 2
- 238000005520 cutting process Methods 0.000 claims description 106
- 239000000463 material Substances 0.000 claims description 90
- 239000000758 substrate Substances 0.000 claims description 60
- 239000010410 layer Substances 0.000 claims description 58
- 238000000034 method Methods 0.000 claims description 36
- 229910052751 metal Inorganic materials 0.000 claims description 31
- 239000002184 metal Substances 0.000 claims description 31
- 238000003384 imaging method Methods 0.000 claims description 30
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 7
- 239000012790 adhesive layer Substances 0.000 claims description 6
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 2
- 230000007246 mechanism Effects 0.000 description 23
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 9
- 239000010949 copper Substances 0.000 description 7
- 239000010931 gold Substances 0.000 description 6
- 239000010936 titanium Substances 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 3
- 239000006061 abrasive grain Substances 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- 239000004332 silver Substances 0.000 description 3
- 229910052719 titanium Inorganic materials 0.000 description 3
- 239000012780 transparent material Substances 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 230000001678 irradiating effect Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000005388 borosilicate glass Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- HZXMRANICFIONG-UHFFFAOYSA-N gallium phosphide Chemical compound [Ga]#P HZXMRANICFIONG-UHFFFAOYSA-N 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000012447 hatching Effects 0.000 description 1
- -1 polyethylene terephthalate Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Images
Classifications
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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
-
- 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
- B24B27/00—Other grinding machines or devices
- B24B27/06—Grinders for cutting-off
- B24B27/0616—Grinders for cutting-off using a tool turning around the workpiece
-
- 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
- B28D5/02—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor by rotary tools, e.g. drills
- B28D5/022—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor by rotary tools, e.g. drills by cutting with discs or wheels
- B28D5/024—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor by rotary tools, e.g. drills by cutting with discs or wheels with the stock carried by a movable support for feeding stock into engagement with the cutting blade, e.g. stock carried by a pivoted arm or a carriage
-
- 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
- H01L21/02—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
- H01L21/48—Manufacture or treatment of parts, e.g. containers, prior to assembly of the devices, using processes not provided for in a single one of the subgroups H01L21/06 - H01L21/326
- H01L21/4814—Conductive parts
- H01L21/4871—Bases, plates or heatsinks
- H01L21/4882—Assembly of heatsink parts
-
- 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
- H01L21/67—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
- H01L21/683—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 for supporting or gripping
- H01L21/6835—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 for supporting or gripping using temporarily an auxiliary support
- H01L21/6836—Wafer tapes, e.g. grinding or dicing support tapes
-
- 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
- B28D5/0088—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 angularly adjustable
-
- 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
- H01L21/18—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
- H01L21/304—Mechanical treatment, e.g. grinding, polishing, cutting
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2221/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof covered by H01L21/00
- H01L2221/67—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere
- H01L2221/683—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere for supporting or gripping
- H01L2221/68304—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere for supporting or gripping using temporarily an auxiliary support
- H01L2221/68327—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere for supporting or gripping using temporarily an auxiliary support used during dicing or grinding
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Dicing (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Description
基板の材質:炭化珪素(SiC)
基板の厚み:50μm以上360μm以下
延性材層の材質:金(Au)、銀(Ag)、銅(Cu)、アルミニウム(Al)、チタン(Ti)、ニッケル(Ni)
延性材層の厚み:0.1μm以上30μm以下
分割予定ラインの間隔:0.5mm以上5mm以下
切削ブレードの種類:電鋳ブレード
切削ブレードの厚み:15μm以上40μm以下
切削ブレードに含まれる砥粒の粒径(番手):♯1200以上♯2000以下
切削ブレードの回転数(切削ブレードの周速)
:15000rpm以上30000rpm以下
(2600m/min以上5300m/min以下)
保持テーブルの送り速度
:炭化珪素のC面に延性材層が形成されている場合、20mm/s以上100mm/s以下、炭化珪素のSi面に延性材層が形成されている場合、1mm/s以上10mm/s以下
基板の材質:シリコン(Si)
基板の厚み:10μm以上300μm以下
延性材層の材質:金(Au)、銀(Ag)、銅(Cu)、アルミニウム(Al)、チタン(Ti)、ニッケル(Ni)
延性材層の厚み:0.1μm以上30μm以下
分割予定ラインの間隔:0.1mm以上5mm以下
切削ブレードの種類:電鋳ブレード
切削ブレードの厚み:5μm以上40μm以下
切削ブレードに含まれる砥粒の粒径(番手):♯1500以上♯3500以下
切削ブレードの回転数(切削ブレードの周速)
:15000rpm以上60000rpm以下
(2600m/min以上10500m/min以下)
保持テーブルの送り速度:30mm/s以上200mm/s以下
11 :基板
11a :表面
11b :裏面
13 :分割予定ライン(ストリート)
15 :デバイス
17 :延性材層
21 :テープ
21a :基材
21b :糊層
23 :フレーム
2 :切削装置
4 :基台
8 :X軸Y軸移動機構
10 :X軸ガイドレール
10a :X軸スケール
12 :X軸移動テーブル
14 :X軸ボールネジ
16 :X軸パルスモータ
20 :Y軸ガイドレール
20a :Y軸スケール
22 :Y軸移動テーブル
22a :底板部
22b :側板部
22c :天板部
22d :空間
22e :ナット部
24 :Y軸ボールネジ
26 :Y軸パルスモータ
28 :保持テーブル
30 :枠体
30a :プーリー部
30b :クランプ
32 :保持部材
32a :上面
32b :下面
32c :溝
34 :回転駆動源
34a :プーリー
36 :ベルト
38 :支持構造
40 :Z軸移動機構
42 :Z軸ガイドレール
44 :切削ユニット
46 :スピンドルハウジング
48 :Z軸ボールネジ
50 :Z軸パルスモータ
52 :切削ブレード
52a :一部
54 :上部撮像ユニット
56 :撮像ユニット支持構造
58 :撮像ユニット移動機構
60 :Z軸ガイドレール
62 :Z軸移動プレート
64 :Z軸ボールネジ
66 :Z軸パルスモータ
68 :支持アーム
70 :下部撮像ユニット
72 :照明装置
74 :カメラ
76 :制御ユニット
Claims (4)
- 表面及び裏面を有する基板と、延性のある延性材を含み該基板の該表面又は該裏面に設けられた延性材層と、を備えた被加工物を加工する際に用いられる被加工物の加工方法であって、
該被加工物の該基板側にテープを貼付するテープ貼付ステップと、
該延性材層が露出するように該テープを介して該被加工物を保持テーブルで保持する保持ステップと、
該保持ステップを実施した後、該保持テーブルと切削ブレードとを相対的に移動させて該延性材層と該基板とに該切削ブレードを切り込ませることによって該被加工物を切削する切削ステップと、
該保持ステップを実施した後、該切削ステップを実施する前に、該保持テーブルと該テープとを介して該基板を可視光で撮像して得られる画像に基づき該切削ブレードを切り込ませる位置を検出する位置検出ステップと、を含み、
該切削ステップでは、該保持テーブルに対する該切削ブレードの移動方向の前方側に位置する該切削ブレードの一部が該延性材層から該基板に向かって切り込むように該切削ブレードを回転させることを特徴とする被加工物の加工方法。 - 該テープ貼付ステップでは、糊層を持たない該テープを、加熱しながら圧力を掛ける方法で該被加工物の該基板側に貼付することを特徴とする請求項1に記載の被加工物の加工方法。
- 該被加工物は、該表面側に複数のデバイスが設けられた該基板と、該基板の裏面に設けられた該延性材層と、を含み、
該延性材層は、金属膜からなることを特徴とする請求項2に記載の被加工物の加工方法。 - 該被加工物は、炭化珪素からなる該基板を含むことを特徴とする請求項1から請求項3のいずれかに記載の被加工物の加工方法。
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019189674A JP7325911B2 (ja) | 2019-10-16 | 2019-10-16 | 被加工物の加工方法 |
KR1020200118030A KR20210045304A (ko) | 2019-10-16 | 2020-09-15 | 피가공물의 가공 방법 |
SG10202009269TA SG10202009269TA (en) | 2019-10-16 | 2020-09-21 | Method for machining workpiece |
US17/065,909 US11587831B2 (en) | 2019-10-16 | 2020-10-08 | Method for machining workpiece |
CN202011083265.4A CN112670241A (zh) | 2019-10-16 | 2020-10-12 | 被加工物的加工方法 |
TW109135328A TWI841795B (zh) | 2019-10-16 | 2020-10-13 | 被加工物之加工方法 |
DE102020213010.8A DE102020213010A1 (de) | 2019-10-16 | 2020-10-15 | Verfahren zum bearbeiten eines werkstücks |
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JP2019189674A JP7325911B2 (ja) | 2019-10-16 | 2019-10-16 | 被加工物の加工方法 |
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Publication Number | Publication Date |
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JP2021062458A JP2021062458A (ja) | 2021-04-22 |
JP7325911B2 true JP7325911B2 (ja) | 2023-08-15 |
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JP2019189674A Active JP7325911B2 (ja) | 2019-10-16 | 2019-10-16 | 被加工物の加工方法 |
Country Status (6)
Country | Link |
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US (1) | US11587831B2 (ja) |
JP (1) | JP7325911B2 (ja) |
KR (1) | KR20210045304A (ja) |
CN (1) | CN112670241A (ja) |
DE (1) | DE102020213010A1 (ja) |
SG (1) | SG10202009269TA (ja) |
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JP6925554B1 (ja) * | 2020-06-30 | 2021-08-25 | 株式会社イノアック技術研究所 | ポリウレア発泡体 |
KR102592506B1 (ko) * | 2023-06-27 | 2023-10-23 | 주식회사 별랑 | 피가공물의 보호비닐 끝단부 트림방법 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011035111A (ja) | 2009-07-31 | 2011-02-17 | Disco Abrasive Syst Ltd | 金属層付きチップの製造方法 |
JP2017228660A (ja) | 2016-06-22 | 2017-12-28 | 株式会社デンソー | 炭化珪素半導体装置の製造方法 |
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JP2016004831A (ja) * | 2014-06-13 | 2016-01-12 | 株式会社ディスコ | パッケージ基板の切削方法 |
JP6495056B2 (ja) * | 2015-03-06 | 2019-04-03 | 株式会社ディスコ | 単結晶基板の加工方法 |
JP6739873B2 (ja) | 2016-11-08 | 2020-08-12 | 株式会社ディスコ | ウェーハの加工方法 |
JP7169061B2 (ja) | 2017-11-29 | 2022-11-10 | 株式会社ディスコ | 切削方法 |
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