JP2017034129A - 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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- JP2017034129A JP2017034129A JP2015153567A JP2015153567A JP2017034129A JP 2017034129 A JP2017034129 A JP 2017034129A JP 2015153567 A JP2015153567 A JP 2015153567A JP 2015153567 A JP2015153567 A JP 2015153567A JP 2017034129 A JP2017034129 A JP 2017034129A
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- 238000003672 processing method Methods 0.000 title claims abstract description 12
- 239000006061 abrasive grain Substances 0.000 claims abstract description 34
- 239000007788 liquid Substances 0.000 claims abstract description 16
- 238000005498 polishing Methods 0.000 claims description 80
- 238000000034 method Methods 0.000 claims description 19
- 238000005247 gettering Methods 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 10
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 6
- 239000012670 alkaline solution Substances 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 3
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 claims description 3
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 claims description 3
- 229910003460 diamond Inorganic materials 0.000 claims description 3
- 239000010432 diamond Substances 0.000 claims description 3
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 abstract description 4
- 230000001678 irradiating effect Effects 0.000 abstract description 2
- 230000035699 permeability Effects 0.000 abstract 1
- 230000001681 protective effect Effects 0.000 description 7
- 238000007517 polishing process Methods 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- WGTYBPLFGIVFAS-UHFFFAOYSA-M tetramethylammonium hydroxide Chemical compound [OH-].C[N+](C)(C)C WGTYBPLFGIVFAS-UHFFFAOYSA-M 0.000 description 4
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 238000005452 bending Methods 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 235000015497 potassium bicarbonate Nutrition 0.000 description 1
- 229910000028 potassium bicarbonate Inorganic materials 0.000 description 1
- 239000011736 potassium bicarbonate Substances 0.000 description 1
- 229910000027 potassium carbonate Inorganic materials 0.000 description 1
- 235000011181 potassium carbonates Nutrition 0.000 description 1
- TYJJADVDDVDEDZ-UHFFFAOYSA-M potassium hydrogencarbonate Chemical compound [K+].OC([O-])=O TYJJADVDDVDEDZ-UHFFFAOYSA-M 0.000 description 1
- 229940086066 potassium hydrogencarbonate Drugs 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- 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
- B23K26/50—Working by transmitting the laser beam through or within the workpiece
- B23K26/53—Working by transmitting the laser beam through or within the workpiece for modifying or reforming the material inside the workpiece, e.g. for producing break initiation cracks
-
- 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
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/04—Lapping machines or devices; Accessories designed for working plane surfaces
- B24B37/042—Lapping machines or devices; Accessories designed for working plane surfaces operating processes therefor
- B24B37/044—Lapping machines or devices; Accessories designed for working plane surfaces operating processes therefor characterised by the composition of the lapping agent
-
- 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
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/04—Lapping machines or devices; Accessories designed for working plane surfaces
- B24B37/07—Lapping machines or devices; Accessories designed for working plane surfaces characterised by the movement of the work or lapping tool
- B24B37/10—Lapping machines or devices; Accessories designed for working plane surfaces characterised by the movement of the work or lapping tool for single side lapping
-
- 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
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/11—Lapping tools
- B24B37/20—Lapping pads for working plane surfaces
- B24B37/24—Lapping pads for working plane surfaces characterised by the composition or properties of the pad materials
-
- 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
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/11—Lapping tools
- B24B37/20—Lapping pads for working plane surfaces
- B24B37/24—Lapping pads for working plane surfaces characterised by the composition or properties of the pad materials
- B24B37/245—Pads with fixed abrasives
-
- 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
- B24B57/00—Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents
- B24B57/02—Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents for feeding of fluid, sprayed, pulverised, or liquefied grinding, polishing or lapping agents
-
- 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
- B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
- B24B7/20—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground
- B24B7/22—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground for grinding inorganic material, e.g. stone, ceramics, porcelain
- B24B7/228—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground for grinding inorganic material, e.g. stone, ceramics, porcelain for grinding thin, brittle parts, e.g. semiconductors, 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
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic System 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
Abstract
【解決手段】被加工物の加工方法であって、被加工物(11)に対して透過性を有する波長のレーザー光線(L)を被加工物の裏面(11b)側から分割予定ライン(13)に沿って照射し、デバイスチップ(19)の仕上がり厚さに相当する位置より裏面側に改質層(17)を形成する改質層形成工程と、改質層形成工程を実施した後、被加工物の裏面を研削して被加工物をデバイスチップの仕上がり厚さに加工する裏面研削工程と、改質層形成工程を実施した後、改質層が形成された分割予定ラインに沿って被加工物を個々のデバイスチップに分割する分割工程と、裏面研削工程及び分割工程を実施した後、砥粒を含まない研磨液を被加工物に供給しながら砥粒を含む研磨パッド(44)を用いて被加工物の裏面を研磨することで、被加工物の裏面の研削歪を除去する研磨工程と、を含む。
【選択図】図2
Description
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 改質層
19 デバイスチップ
21 保護部材
21a 第1面
21b 第2面
L レーザー光線
2 レーザー加工装置
4 チャックテーブル
6 レーザー加工ユニット
8 カメラ
12 研削装置
14 チャックテーブル
14a 保持面
16 研削ユニット
18 スピンドルハウジング
20 スピンドル
22 マウント
24 研削ホイール
26 ホイール基台
28 研削砥石
32 研磨装置
34 チャックテーブル
34a 保持面
36 研磨ユニット
38 スピンドルハウジング
40 スピンドル
42 マウント
44 研磨パッド
Claims (4)
- 板状の被加工物を分割予定ラインに沿って複数のデバイスチップに分割する被加工物の加工方法であって、
該被加工物に対して透過性を有する波長のレーザー光線を該被加工物の裏面側から該分割予定ラインに沿って照射し、該デバイスチップの仕上がり厚さに相当する位置より裏面側に改質層を形成する改質層形成工程と、
該改質層形成工程を実施した後、該被加工物の該裏面を研削して該被加工物を該デバイスチップの仕上がり厚さに加工する裏面研削工程と、
該改質層形成工程を実施した後、該改質層が形成された該分割予定ラインに沿って該被加工物を個々の該デバイスチップに分割する分割工程と、
該裏面研削工程及び該分割工程を実施した後、砥粒を含まない研磨液を該被加工物に供給しながら砥粒を含む研磨パッドを用いて該被加工物の裏面を研磨することで、該被加工物の該裏面の研削歪を除去する研磨工程と、
を備えることを特徴とする被加工物の加工方法。 - 該研磨工程を実施した後、該被加工物の該裏面にゲッタリング層を形成するゲッタリング層形成工程を更に備え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。
- 該研磨パッドの硬度(Asker−C)は、55度〜90度であり、
該研磨パッドの圧縮率は、2%〜15%であり、
該研磨パッドに含まれる該砥粒の材質は、ダイヤモンド、グリーンカーボランダム、ホワイトアランダム、セリア又はジルコニアであり、
該研磨パッドに含まれる該砥粒の粒径は、0.01μm〜10μmであることを特徴とする請求項1又は請求項2に記載の被加工物の加工方法。 - 該研磨液は、アルカリ溶液である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 (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015153567A JP6300763B2 (ja) | 2015-08-03 | 2015-08-03 | 被加工物の加工方法 |
TW105121233A TWI694506B (zh) | 2015-08-03 | 2016-07-05 | 被加工物的加工方法 |
KR1020160094704A KR20170016285A (ko) | 2015-08-03 | 2016-07-26 | 피가공물의 가공 방법 |
CN201610617838.4A CN106409762B (zh) | 2015-08-03 | 2016-07-29 | 被加工物的加工方法 |
KR1020220144513A KR102574672B1 (ko) | 2015-08-03 | 2022-11-02 | 피가공물의 가공 방법 |
Applications Claiming Priority (1)
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JP2015153567A JP6300763B2 (ja) | 2015-08-03 | 2015-08-03 | 被加工物の加工方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2017034129A true JP2017034129A (ja) | 2017-02-09 |
JP6300763B2 JP6300763B2 (ja) | 2018-03-28 |
Family
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JP2015153567A Active JP6300763B2 (ja) | 2015-08-03 | 2015-08-03 | 被加工物の加工方法 |
Country Status (4)
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JP (1) | JP6300763B2 (ja) |
KR (2) | KR20170016285A (ja) |
CN (1) | CN106409762B (ja) |
TW (1) | TWI694506B (ja) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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DE102017106854A1 (de) * | 2017-03-30 | 2018-10-04 | Infineon Technologies Ag | Trägeranordnung und Verfahren für die Bearbeitung eines Trägers |
JP2018190812A (ja) * | 2017-05-01 | 2018-11-29 | 株式会社ディスコ | ウエーハの加工方法 |
WO2019093133A1 (ja) * | 2017-11-07 | 2019-05-16 | 株式会社荏原製作所 | デバイスが形成された基板を個々のチップに分割するための方法および装置 |
JP2020136401A (ja) * | 2019-02-15 | 2020-08-31 | 株式会社ディスコ | ウェーハの加工方法 |
TWI833902B (zh) | 2019-02-15 | 2024-03-01 | 日商迪思科股份有限公司 | 晶圓之加工方法 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6906845B2 (ja) * | 2017-06-22 | 2021-07-21 | 株式会社ディスコ | 被加工物の加工方法 |
CN110732790A (zh) * | 2019-10-28 | 2020-01-31 | 东莞记忆存储科技有限公司 | 一种封装基板切割的加工工艺方法 |
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2015
- 2015-08-03 JP JP2015153567A patent/JP6300763B2/ja active Active
-
2016
- 2016-07-05 TW TW105121233A patent/TWI694506B/zh active
- 2016-07-26 KR KR1020160094704A patent/KR20170016285A/ko not_active Application Discontinuation
- 2016-07-29 CN CN201610617838.4A patent/CN106409762B/zh active Active
-
2022
- 2022-11-02 KR KR1020220144513A patent/KR102574672B1/ko active IP Right Grant
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WO2019093133A1 (ja) * | 2017-11-07 | 2019-05-16 | 株式会社荏原製作所 | デバイスが形成された基板を個々のチップに分割するための方法および装置 |
JP2019087628A (ja) * | 2017-11-07 | 2019-06-06 | 株式会社荏原製作所 | デバイスが形成された基板を個々のチップに分割するための方法および装置 |
TWI791654B (zh) * | 2017-11-07 | 2023-02-11 | 日商荏原製作所股份有限公司 | 將形成有元件之基板分割為各個晶片的方法及裝置 |
JP2020136401A (ja) * | 2019-02-15 | 2020-08-31 | 株式会社ディスコ | ウェーハの加工方法 |
JP7304708B2 (ja) | 2019-02-15 | 2023-07-07 | 株式会社ディスコ | ウェーハの加工方法 |
TWI833902B (zh) | 2019-02-15 | 2024-03-01 | 日商迪思科股份有限公司 | 晶圓之加工方法 |
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KR20220153543A (ko) | 2022-11-18 |
JP6300763B2 (ja) | 2018-03-28 |
TW201709303A (zh) | 2017-03-01 |
KR102574672B1 (ko) | 2023-09-04 |
CN106409762B (zh) | 2021-08-17 |
CN106409762A (zh) | 2017-02-15 |
KR20170016285A (ko) | 2017-02-13 |
TWI694506B (zh) | 2020-05-21 |
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