JP5558129B2 - 光デバイスウエーハの加工方法 - Google Patents
光デバイスウエーハの加工方法 Download PDFInfo
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- JP5558129B2 JP5558129B2 JP2010024543A JP2010024543A JP5558129B2 JP 5558129 B2 JP5558129 B2 JP 5558129B2 JP 2010024543 A JP2010024543 A JP 2010024543A JP 2010024543 A JP2010024543 A JP 2010024543A JP 5558129 B2 JP5558129 B2 JP 5558129B2
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- 230000003287 optical effect Effects 0.000 claims description 107
- 239000000758 substrate Substances 0.000 claims description 35
- 238000000034 method Methods 0.000 claims description 30
- 238000003672 processing method Methods 0.000 claims description 15
- 239000004065 semiconductor Substances 0.000 claims description 13
- 239000012809 cooling fluid Substances 0.000 claims description 10
- 238000002679 ablation Methods 0.000 claims description 9
- 230000001678 irradiating effect Effects 0.000 claims description 6
- 102000035118 modified proteins Human genes 0.000 claims description 2
- 108091005573 modified proteins Proteins 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 description 5
- 229910009372 YVO4 Inorganic materials 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000003384 imaging method Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 229910052594 sapphire Inorganic materials 0.000 description 3
- 239000010980 sapphire Substances 0.000 description 3
- 230000011218 segmentation Effects 0.000 description 3
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 238000003331 infrared imaging Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
Images
Classifications
-
- 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
- B23K26/0006—Working by laser beam, e.g. welding, cutting or boring taking account of the properties of the material involved
-
- 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
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/03—Observing, e.g. monitoring, the workpiece
- B23K26/032—Observing, e.g. monitoring, the workpiece using optical means
-
- 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
- B23K26/352—Working by laser beam, e.g. welding, cutting or boring for surface treatment
- B23K26/354—Working by laser beam, e.g. welding, cutting or boring for surface treatment by melting
-
- 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
-
- 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
- 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
- B23K26/703—Cooling arrangements
-
- 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
- B23K37/00—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass
- B23K37/04—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work
- B23K37/0408—Auxiliary devices or processes, not specially adapted for a procedure covered by only one of the other main groups of this subclass for holding or positioning work for planar work
-
- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/36—Electric or electronic devices
- B23K2101/40—Semiconductor 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
-
- 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
- B23K2103/56—Inorganic material, e.g. metals, not provided for in B23K2103/02 – B23K2103/26 semiconducting
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/01—Manufacture or treatment
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- Plasma & Fusion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Laser Beam Processing (AREA)
- Dicing (AREA)
- Lasers (AREA)
- Led Devices (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Description
波長 :1064nm
出力 :0.1W
繰り返し周波数 :50kHz
加工送り速度 :200mm/秒
波長 :355nm(YVO4レーザの第3高調波)
出力 :0.2W
繰り返し周波数 :200kHz
加工送り速度 :200mm/秒
波長 :10.6μm
出力 :30W
加工送り速度 :200mm/秒
11 光デバイスウエーハ
13 分割予定ライン(ストリート)
15 光デバイス
17 変質層
19 クラック
28 チャックテーブル
34 レーザビーム照射ユニット
36 集光器
74 レーザビーム照射ユニット
76 集光器
78 冷却流体ノズル
80 分割装置
82 フレーム保持手段
84 テープ拡張手段
86 フレーム保持部材
90 拡張ドラム
96 エアシリンダ
Claims (4)
- 基板の表面に半導体層が積層され、該半導体層に複数の光デバイスが分割予定ラインによって区画されて形成された光デバイスウエーハを個々の光デバイスに分割する光デバイスウエーハの加工方法であって、
該基板に対して透過性を有する波長のレーザビームの集光点を該分割予定ラインの交差点部分の内部に位置づけてレーザビームを該交差点部分のみに照射して、交差点部分に対応する基板内部に変質ドットを形成し、該変質ドットを分割のきっかけとなる分割起点とする分割起点形成工程と、
該分割起点形式工程実施後、該交差点部分に変更ドットが形成された該分割予定ラインに沿ってCO2レーザを照射して、該変質ドットからなる該分割起点から基板内部にクラックを成長させて光デバイスウエーハを該クラックに沿って個々の光デバイスに分割するクラック成長工程と、
を備えたことを特徴とする光デバイスウエーハの加工方法。 - 基板の表面に半導体層が積層され、該半導体層に複数の光デバイスが分割予定ラインによって区画されて形成された光デバイスウエーハを個々の光デバイスに分割する光デバイスウエーハの加工方法であって、
該基板に対して吸収性を有する波長のレーザビームを該分割予定ラインの交差点部分のみに照射して、アブレーション加工により交差点部分に加工穴を形成し、該加工穴を分割のきっかけとなる分割起点とする分割起点形成工程と、
該分割起点形成工程実施後、該交差点部分に加工穴が形成された分割予定ラインに沿ってCO2レーザを照射して、該加工穴からなる該分割起点から基板内部にクラックを成長させて光デバイスウエーハを個々の光デバイスに分割するクラック成長工程と、
を備えたことを特徴とする光デバイスウエーハの加工方法。 - 該クラック成長工程を実施した後、該分割予定ラインに外力を付与して光デバイスウエーハを個々の光デバイスに分割するウエーハ分割工程を更に備えた請求項1又は2記載の光デバイスウエーハの加工方法。
- 前記クラック成長工程は加工点に霧状の冷却流体を供給しながら実施する請求項1〜3の何れかに記載の光デバイスウエーハの加工方法。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010024543A JP5558129B2 (ja) | 2010-02-05 | 2010-02-05 | 光デバイスウエーハの加工方法 |
US13/011,266 US8178425B2 (en) | 2010-02-05 | 2011-01-21 | Optical device wafer processing method |
CN201110033183.3A CN102157367B (zh) | 2010-02-05 | 2011-01-30 | 光器件晶片的加工方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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JP2010024543A JP5558129B2 (ja) | 2010-02-05 | 2010-02-05 | 光デバイスウエーハの加工方法 |
Publications (2)
Publication Number | Publication Date |
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JP2011165768A JP2011165768A (ja) | 2011-08-25 |
JP5558129B2 true JP5558129B2 (ja) | 2014-07-23 |
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JP2010024543A Active JP5558129B2 (ja) | 2010-02-05 | 2010-02-05 | 光デバイスウエーハの加工方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US8178425B2 (ja) |
JP (1) | JP5558129B2 (ja) |
CN (1) | CN102157367B (ja) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
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US9337059B2 (en) | 2011-08-23 | 2016-05-10 | Taiwan Semiconductor Manufacturing Company, Ltd. | Apparatus and methods for annealing wafers |
JP5860272B2 (ja) * | 2011-11-24 | 2016-02-16 | 株式会社ディスコ | 光デバイスウエーハの加工方法 |
US9246314B2 (en) | 2012-03-30 | 2016-01-26 | Elwha Llc | Mobile device configured to perform tasks related to a power transmission system |
WO2014049637A1 (ja) * | 2012-09-25 | 2014-04-03 | 株式会社キーレックス | 溶接装置 |
KR101854676B1 (ko) * | 2012-10-29 | 2018-06-20 | 미쓰보시 다이야몬도 고교 가부시키가이샤 | 레이저 가공 장치 및, 패턴이 있는 기판의 가공 조건 설정 방법 |
JP6456766B2 (ja) * | 2015-05-08 | 2019-01-23 | 株式会社ディスコ | ウエーハの加工方法 |
JP6553940B2 (ja) * | 2015-05-15 | 2019-07-31 | 株式会社ディスコ | レーザー加工装置 |
WO2016208522A1 (ja) * | 2015-06-23 | 2016-12-29 | 三菱電機株式会社 | 半導体素子の製造方法並びに製造装置 |
JP6504977B2 (ja) * | 2015-09-16 | 2019-04-24 | 株式会社ディスコ | ウエーハの加工方法 |
JP2019125688A (ja) * | 2018-01-16 | 2019-07-25 | 株式会社ディスコ | 被加工物のレーザー加工方法 |
JP7364860B2 (ja) | 2019-07-01 | 2023-10-19 | 日亜化学工業株式会社 | 発光素子の製造方法 |
JP7358011B2 (ja) * | 2019-08-23 | 2023-10-10 | 株式会社ディスコ | 複数のデバイスチップの製造方法 |
CN110560929A (zh) * | 2019-09-06 | 2019-12-13 | 大同新成新材料股份有限公司 | 一种硅晶圆切割方法及切割装置 |
US11964343B2 (en) * | 2020-03-09 | 2024-04-23 | Applied Materials, Inc. | Laser dicing system for filamenting and singulating optical devices |
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2010
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2011
- 2011-01-21 US US13/011,266 patent/US8178425B2/en active Active
- 2011-01-30 CN CN201110033183.3A patent/CN102157367B/zh active Active
Also Published As
Publication number | Publication date |
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JP2011165768A (ja) | 2011-08-25 |
CN102157367A (zh) | 2011-08-17 |
US20110195535A1 (en) | 2011-08-11 |
US8178425B2 (en) | 2012-05-15 |
CN102157367B (zh) | 2016-05-11 |
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