JP2012527400A - 脆性材料シートの分割方法 - Google Patents
脆性材料シートの分割方法 Download PDFInfo
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- JP2012527400A JP2012527400A JP2012512055A JP2012512055A JP2012527400A JP 2012527400 A JP2012527400 A JP 2012527400A JP 2012512055 A JP2012512055 A JP 2012512055A JP 2012512055 A JP2012512055 A JP 2012512055A JP 2012527400 A JP2012527400 A JP 2012527400A
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- Prior art keywords
- sheet
- glass
- brittle material
- laser
- material sheet
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- 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
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B33/00—Severing cooled glass
- C03B33/09—Severing cooled glass by thermal shock
- C03B33/091—Severing cooled glass by thermal shock using at least one focussed radiation beam, e.g. laser beam
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B33/00—Severing cooled glass
- C03B33/02—Cutting or splitting sheet glass or ribbons; Apparatus or machines therefor
- C03B33/0215—Cutting or splitting sheet glass or ribbons; Apparatus or machines therefor the ribbon being in a substantially vertical plane
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B33/00—Severing cooled glass
- C03B33/02—Cutting or splitting sheet glass or ribbons; Apparatus or machines therefor
- C03B33/023—Cutting or splitting sheet glass or ribbons; Apparatus or machines therefor the sheet or ribbon being in a horizontal position
- C03B33/0235—Ribbons
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B33/00—Severing cooled glass
- C03B33/02—Cutting or splitting sheet glass or ribbons; Apparatus or machines therefor
- C03B33/04—Cutting or splitting in curves, especially for making spectacle lenses
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B33/00—Severing cooled glass
- C03B33/09—Severing cooled glass by thermal shock
-
- 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
- B23K2103/52—Ceramics
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T225/00—Severing by tearing or breaking
- Y10T225/30—Breaking or tearing apparatus
- Y10T225/304—Including means to apply thermal shock to work
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- Toxicology (AREA)
- Health & Medical Sciences (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Laser Beam Processing (AREA)
Abstract
Description
ここで、ρはガラスの密度、cpはガラスの比熱、κはガラスの熱伝導率、そしてdはガラスの厚さである。
10 ガラスシート
10a、10b 分割シート
12 レーザビーム
13 第2面
17 全厚クラック
20 既定経路
Claims (10)
- 脆性材料の薄いシート(10)を分割する方法において、
第1面(9)と対向する第2面(13)とを備えかつ該第1面と第2面との間の厚さが約1mm以下である脆性材料シート(10)に、前記第1面および第2面に交差する全厚クラック(17)を形成するステップ、
前記全厚クラックをレーザビーム(12)で照射するステップ、
前記全厚クラックを既定経路(20)に沿って伝播させさらに前記脆性材料シートを少なくとも2つの脆性材料分割シート(10a、10b)に分割するよう、前記レーザビームを前記既定経路に沿って前記第1面(9)上に通過させるステップ、
を含み、さらに、
前記全厚クラックが、前記脆性材料シートを強制流体冷却することなく伝播されることを特徴とする方法。 - 前記脆性材料シートと接触する周囲雰囲気の熱伝導率が、約0.024W/m/Kより大きいことを特徴とする請求項1記載の方法。
- 前記ビームの、前記第1面(9)での前記既定経路(20)に平行な長さが、通過速度に(ρcpd2)/4κを乗じたものよりも大きく、ここでρは前記脆性材料シートの密度、cpは前記脆性材料シートの比熱、κは前記脆性材料シートの熱伝導率、そしてdは前記脆性材料シートの厚さであることを特徴とする請求項1または2記載の方法。
- 前記通過させるステップ中、前記既定経路(20)に垂直な張力を外部から加えるステップをさらに含むことを特徴とする請求項1から3いずれか1項記載の方法。
- 前記通過させるステップが、前記既定経路(20)に沿って1回通過させるものを含むことを特徴とする請求項1から4いずれか1項記載の方法。
- 前記通過させるステップが、前記既定経路(20)上を複数回通過させるものを含むことを特徴とする請求項1から4いずれか1項記載の方法。
- 前記脆性材料シート(10)の少なくとも1部が、スプール(22)上に配置されていることを特徴とする請求項1から6いずれか1項記載の方法。
- 前記全厚クラックが、前記複数回通過させた後にのみ、前記既定経路(20)に沿って伝播されることを特徴とする請求項6記載の方法。
- 前記脆性材料シート(10)が、該脆性材料シート上に堆積された薄膜(11)を含むものであることを特徴とする請求項1から8いずれか1項記載の方法。
- 前記薄膜(11)がITOを含むものであることを特徴とする請求項9記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/469,794 | 2009-05-21 | ||
US12/469,794 US8269138B2 (en) | 2009-05-21 | 2009-05-21 | Method for separating a sheet of brittle material |
PCT/US2010/035715 WO2010135616A2 (en) | 2009-05-21 | 2010-05-21 | Method for separating a sheet of brittle material |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2012527400A true JP2012527400A (ja) | 2012-11-08 |
JP2012527400A5 JP2012527400A5 (ja) | 2013-05-30 |
JP6018503B2 JP6018503B2 (ja) | 2016-11-02 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012512055A Expired - Fee Related JP6018503B2 (ja) | 2009-05-21 | 2010-05-21 | 脆性材料シートの分割方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US8269138B2 (ja) |
EP (1) | EP2432616B1 (ja) |
JP (1) | JP6018503B2 (ja) |
KR (1) | KR101581992B1 (ja) |
CN (1) | CN102458754B (ja) |
TW (1) | TWI415811B (ja) |
WO (1) | WO2010135616A2 (ja) |
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JPWO2015115604A1 (ja) * | 2014-02-03 | 2017-03-23 | 日本電気硝子株式会社 | レーザー溶断方法及び溶断面を有する板状ガラス製品 |
JP2017508704A (ja) * | 2014-02-20 | 2017-03-30 | コーニング インコーポレイテッド | フレキシブル薄型ガラスにおいてアール部を切断する方法および装置 |
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JPWO2015115604A1 (ja) * | 2014-02-03 | 2017-03-23 | 日本電気硝子株式会社 | レーザー溶断方法及び溶断面を有する板状ガラス製品 |
JP2017508704A (ja) * | 2014-02-20 | 2017-03-30 | コーニング インコーポレイテッド | フレキシブル薄型ガラスにおいてアール部を切断する方法および装置 |
Also Published As
Publication number | Publication date |
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KR101581992B1 (ko) | 2015-12-31 |
CN102458754B (zh) | 2016-04-06 |
EP2432616A2 (en) | 2012-03-28 |
US8269138B2 (en) | 2012-09-18 |
EP2432616B1 (en) | 2018-02-28 |
WO2010135616A2 (en) | 2010-11-25 |
CN102458754A (zh) | 2012-05-16 |
KR20120018798A (ko) | 2012-03-05 |
EP2432616A4 (en) | 2015-02-11 |
JP6018503B2 (ja) | 2016-11-02 |
US20100294748A1 (en) | 2010-11-25 |
WO2010135616A3 (en) | 2011-02-24 |
TWI415811B (zh) | 2013-11-21 |
TW201103875A (en) | 2011-02-01 |
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