JP2021061317A - ウェーハの加工方法 - Google Patents
ウェーハの加工方法 Download PDFInfo
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- JP2021061317A JP2021061317A JP2019184656A JP2019184656A JP2021061317A JP 2021061317 A JP2021061317 A JP 2021061317A JP 2019184656 A JP2019184656 A JP 2019184656A JP 2019184656 A JP2019184656 A JP 2019184656A JP 2021061317 A JP2021061317 A JP 2021061317A
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- 238000002679 ablation Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 229920001223 polyethylene glycol Polymers 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
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- 239000010703 silicon Substances 0.000 description 2
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- 239000006096 absorbing agent Substances 0.000 description 1
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- 229920006223 adhesive resin Polymers 0.000 description 1
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- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 1
- RWCCWEUUXYIKHB-UHFFFAOYSA-N benzophenone Chemical compound C=1C=CC=CC=1C(=O)C1=CC=CC=C1 RWCCWEUUXYIKHB-UHFFFAOYSA-N 0.000 description 1
- 239000012965 benzophenone Substances 0.000 description 1
- QRUDEWIWKLJBPS-UHFFFAOYSA-N benzotriazole Chemical compound C1=CC=C2N[N][N]C2=C1 QRUDEWIWKLJBPS-UHFFFAOYSA-N 0.000 description 1
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- 230000006870 function Effects 0.000 description 1
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- 238000012360 testing method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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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
- H01L21/70—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
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
-
- 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
-
- 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 to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
-
- 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
- H01L21/306—Chemical or electrical treatment, e.g. electrolytic etching
- H01L21/308—Chemical or electrical treatment, e.g. electrolytic etching using masks
- H01L21/3081—Chemical or electrical treatment, e.g. electrolytic etching using masks characterised by their composition, e.g. multilayer masks, materials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L22/00—Testing or measuring during manufacture or treatment; Reliability measurements, i.e. testing of parts without further processing to modify the parts as such; Structural arrangements therefor
- H01L22/10—Measuring as part of the manufacturing process
- H01L22/12—Measuring as part of the manufacturing process for structural parameters, e.g. thickness, line width, refractive index, temperature, warp, bond strength, defects, optical inspection, electrical measurement of structural dimensions, metallurgic measurement of diffusions
-
- 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
- H01L21/306—Chemical or electrical treatment, e.g. electrolytic etching
- H01L21/3065—Plasma etching; Reactive-ion etching
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Manufacturing & Machinery (AREA)
- Plasma & Fusion (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Mechanical Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Dicing (AREA)
- Laser Beam Processing (AREA)
- Drying Of Semiconductors (AREA)
Abstract
Description
11a 表面
11b 裏面
11c 基板
11d 溝(露出領域)
13 分割予定ライン
15 デバイス
15a 機能層
15b TEG
17 ダイシングテープ
19 フレーム
21 ウェーハユニット
23 水溶性樹脂
25 レジスト膜
25a 穴
25b デブリ
27 膜厚不足領域
2 レーザー加工装置
4 基台
4a 突出部
6 支持構造
6a 支持アーム
8 カセットエレベータ
10 カセット
12 仮置き機構
12a、12b ガイドレール
14 搬送機構
14a 把持部
16 塗布洗浄ユニット
16a スピンナテーブル
16b 塗布用ノズル
16c 洗浄用ノズル
20 水平移動機構
22 Y軸ガイドレール
24 Y軸移動テーブル
26 Y軸ボールネジ
28 Y軸パルスモータ
30 X軸ガイドレール
32 X軸移動テーブル
34 X軸ボールネジ
36 テーブルベース
38 チャックテーブル
38a 保持面
40 クランプ
42 集光器
44 膜厚測定器
44a 測定ヘッド
44b 測定用光源
44c ハーフミラー
44d ミラー
44e 集光レンズ
44f 受光部
46 撮像ヘッド
48 制御部
P1 リモートプラズマ
P2 ダイレクトプラズマ
Claims (4)
- 表面側において互いに交差する様に設定された複数の分割予定ラインで区画される複数の領域の各々にデバイスが形成されたウェーハの加工方法であって、
該表面及び該表面とは反対側に位置する裏面のいずれかの一面を、紫外線吸収剤を含むレジスト膜で被覆するレジスト膜被覆ステップと、
該レジスト膜が被覆された該一面側に、該ウェーハに対して吸収される波長を有するレーザービームを照射し、該分割予定ラインに沿って該ウェーハの一部と該レジスト膜とを除去するレーザービーム照射ステップと、
該レーザービーム照射ステップの後、該一面側にプラズマ状態のガスを供給し、該分割予定ラインに沿って露出した該ウェーハの露出領域をプラズマエッチングして除去するプラズマエッチングステップと、
該レジスト膜被覆ステップの後に、該ウェーハの該一面側の複数の位置に紫外線を照射して紫外線を吸収した該レジスト膜の発光を検出することにより、該各位置での該レジスト膜の厚さを測定して、該レジスト膜の被覆状態を検査する検査ステップと、を備えることを特徴とするウェーハの加工方法。 - 該検査ステップは、該プラズマエッチングステップの後に行われるエッチング後検査ステップを含み、
該エッチング後検査ステップでは、該レジスト膜の厚さが第1の閾値より薄い膜厚不足領域の有無を検出する請求項1に記載のウェーハの加工方法。 - 該検査ステップは、該レジスト膜被覆ステップの後、且つ、該レーザービーム照射ステップ及び該プラズマエッチングステップの前に行われるエッチング前検査ステップを含み、
該エッチング前検査ステップで、該レジスト膜の厚さが第2の閾値より薄い膜厚不足領域が検出された場合、該レジスト膜被覆ステップを再度行う請求項1又は2に記載のウェーハの加工方法。 - 該一面は、該デバイスが形成された該表面であり、
該レジスト膜被覆ステップでは、該表面側を該レジスト膜で被覆する請求項1から3のいずれかに記載のウェーハの加工方法。
Priority Applications (2)
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JP2019184656A JP7387227B2 (ja) | 2019-10-07 | 2019-10-07 | ウェーハの加工方法 |
US17/061,966 US11495466B2 (en) | 2019-10-07 | 2020-10-02 | Processing method of wafer |
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JP2019184656A JP7387227B2 (ja) | 2019-10-07 | 2019-10-07 | ウェーハの加工方法 |
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JP2021061317A true JP2021061317A (ja) | 2021-04-15 |
JP7387227B2 JP7387227B2 (ja) | 2023-11-28 |
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JP2019184656A Active JP7387227B2 (ja) | 2019-10-07 | 2019-10-07 | ウェーハの加工方法 |
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US (1) | US11495466B2 (ja) |
JP (1) | JP7387227B2 (ja) |
Families Citing this family (1)
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US11996384B2 (en) * | 2020-12-15 | 2024-05-28 | Pulseforge, Inc. | Method and apparatus for debonding temporarily bonded wafers in wafer-level packaging applications |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006086168A (ja) * | 2004-09-14 | 2006-03-30 | Tokyo Electron Ltd | エッチング方法およびエッチング装置 |
JP2012104532A (ja) * | 2010-11-08 | 2012-05-31 | Disco Abrasive Syst Ltd | 測定方法および測定装置 |
JP2014107283A (ja) * | 2012-11-22 | 2014-06-09 | Disco Abrasive Syst Ltd | ウエーハの加工方法 |
JP2016176826A (ja) * | 2015-03-20 | 2016-10-06 | セイコーエプソン株式会社 | 物理量センサーおよびその製造方法 |
JP2017103330A (ja) * | 2015-12-01 | 2017-06-08 | 株式会社ディスコ | ウエーハの分割方法 |
JP2017228723A (ja) * | 2016-06-24 | 2017-12-28 | 株式会社ディスコ | 保護膜被覆装置および保護膜被覆方法 |
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JP3711083B2 (ja) * | 2002-04-12 | 2005-10-26 | 株式会社東芝 | パターン形成方法 |
TWI546376B (zh) * | 2014-08-25 | 2016-08-21 | 柯伊珊 | 晶圓處理液及使用其移除並平坦晶圓邊緣塗佈薄膜及平坦化光阻表面的設備和方法 |
JP2018508835A (ja) * | 2015-01-05 | 2018-03-29 | マーシュピアル ホールディングス エルエルシー | マルチトーンレベルフォトマスク{multi−tone amplitude photomask} |
JP2016207737A (ja) | 2015-04-17 | 2016-12-08 | 株式会社ディスコ | 分割方法 |
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- 2019-10-07 JP JP2019184656A patent/JP7387227B2/ja active Active
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- 2020-10-02 US US17/061,966 patent/US11495466B2/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006086168A (ja) * | 2004-09-14 | 2006-03-30 | Tokyo Electron Ltd | エッチング方法およびエッチング装置 |
JP2012104532A (ja) * | 2010-11-08 | 2012-05-31 | Disco Abrasive Syst Ltd | 測定方法および測定装置 |
JP2014107283A (ja) * | 2012-11-22 | 2014-06-09 | Disco Abrasive Syst Ltd | ウエーハの加工方法 |
JP2016176826A (ja) * | 2015-03-20 | 2016-10-06 | セイコーエプソン株式会社 | 物理量センサーおよびその製造方法 |
JP2017103330A (ja) * | 2015-12-01 | 2017-06-08 | 株式会社ディスコ | ウエーハの分割方法 |
JP2017228723A (ja) * | 2016-06-24 | 2017-12-28 | 株式会社ディスコ | 保護膜被覆装置および保護膜被覆方法 |
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US11495466B2 (en) | 2022-11-08 |
JP7387227B2 (ja) | 2023-11-28 |
US20210104408A1 (en) | 2021-04-08 |
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