JP2015511571A - 強化ガラスの分離のための方法及び装置並びにこれにより生成された製品 - Google Patents
強化ガラスの分離のための方法及び装置並びにこれにより生成された製品 Download PDFInfo
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- 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
- C03B33/0222—Scoring using a focussed radiation beam, e.g. laser
-
- 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
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/50—Inorganic material, e.g. metals, not provided for in B23K2103/02 – B23K2103/26
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
-
- 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
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
- Y10T428/24488—Differential nonuniformity at margin
Abstract
Description
Claims (36)
- 第1の面と該第1の面とは反対側の第2の面とを有する基板を用意し、前記第1の面及び前記第2の面の少なくとも一方には圧縮応力がかかり、前記基板の内部は引っ張り状態となっており、
レーザ光ビームを照射して前記第1の面を通過させ、前記第1の面の通過後に前記第2の面を通過させ、前記レーザ光ビームは、前記基板の表面上又は前記基板の外側でビームウェストを有し、
前記レーザ光ビームをガイド経路に沿って前記基板に対して走査させ、
前記ガイド経路に沿った複数の位置で前記基板の表面から前記レーザ光ビームにより材料を除去し、
前記ガイド経路に沿って前記基板を分離する、
方法。 - 前記基板が強化ガラス基板である、請求項1の方法。
- 前記基板の厚さが200μmよりも大きい、請求項2の方法。
- 前記基板の厚さが600μmよりも小さい、請求項2の方法。
- 前記基板は、
前記第1の面及び前記第2の面の前記少なくとも一方から前記基板の前記内部に延びる圧縮領域と、
前記圧縮領域に隣接する引っ張り領域と、
を備え、
前記圧縮領域の厚さが10μmよりも大きい、
請求項1の方法。 - 前記圧縮領域内の圧縮応力が600MPaよりも大きい、請求項5の方法。
- 前記圧縮領域の厚さが40μmよりも大きい、請求項5の方法。
- 前記圧縮領域の厚さが50μmよりも大きい、請求項7の方法。
- 前記ビームウェストが前記基板の外側にある、請求項1の方法。
- 前記ビームウェストが前記第1の面よりも前記第2の面に近い、請求項9の方法。
- 前記レーザ光ビーム内の光が、100nmよりも長く、3000nmよりも短い少なくとも1つの波長を有する、請求項1の方法。
- 前記レーザ光ビーム内の光が、紫外線スペクトル内の少なくとも1つの波長を有する、請求項11の方法。
- 前記レーザ光ビームを照射する際に、10フェムト秒(fs)よりも長く500ナノ秒(ns)よりも短いパルス持続時間を有するレーザ光の少なくとも1つのパルスを照射する、請求項1の方法。
- 前記レーザ光ビームを照射する際に、10Hzよりも高く100MHzよりも低い繰り返し率でレーザ光のパルスを照射する、請求項1の方法。
- 前記レーザ光ビームをガイド経路に沿って前記基板に対して走査させる際に、前記ガイド経路上の2点間を少なくとも1回前記レーザ光ビームを走査する、請求項1の方法。
- さらに、前記ガイド経路に沿った前記2点間を少なくとも5回前記レーザ光ビームを走査する、請求項15の方法。
- さらに、1m/s未満の走査速度で前記ガイド経路の少なくとも一部に沿って前記レーザ光ビームを走査する、請求項15の方法。
- さらに、1m/sよりも速い走査速度で前記ガイド経路の少なくとも一部に沿って前記レーザ光ビームを走査する、請求項15の方法。
- さらに、約2m/sの走査速度で前記ガイド経路の少なくとも一部に沿って前記レーザ光ビームを走査する、請求項18の方法。
- 前記ガイド経路の少なくとも一部が前記第1の面に沿って直線状に延びている、請求項1の方法。
- 前記ガイド経路の少なくとも一部が前記第1の面に沿って曲線状に延びている、請求項1の方法。
- 前記材料を除去する際に、前記第2の面から材料を除去する、請求項1の方法。
- 前記基板の前記表面から材料を除去する際に、前記基板内に延びるガイド溝を形成する、請求項1の方法。
- 前記ガイド溝が前記ガイド経路に沿って延びている、請求項23の方法。
- 前記基板が、前記第1の面及び前記第2の面の前記少なくとも一方から前記基板の前記内部に延びる圧縮領域を有する強化ガラス基板であり、前記ガイド溝の少なくとも一部の深さが前記圧縮領域の厚さ以上である、請求項23の方法。
- 前記ガイド溝の少なくとも一部の深さが前記圧縮領域の厚さよりも小さい、請求項25の方法。
- 前記ガイド溝を形成する際に、基板が前記ガイド経路に沿って分離可能となるように、前記ガイド溝が構成されている、請求項23の方法。
- 前記ガイド溝を形成する際に、基板が結合したままとなるように、前記ガイド溝が構成され、前記基板を分離する際に、前記ガイド溝の形成後に前記基板内にベントクラックを形成し、前記ベントクラックを形成する際に、前記基板が前記ガイド溝に沿って分離可能となるように、前記ベントクラック及び前記ガイド溝が構成される、請求項23の方法。
- 第1の面と該第1の面とは反対側の第2の面とを有する基板を用意し、前記第1の面及び前記第2の面の少なくとも一方には圧縮応力がかかり、前記基板の内部は引っ張り状態となっており、
前記基板内の複数の位置で前記基板を加工し、前記複数の加工位置のうちの少なくとも1つは前記第2の面上に位置し、前記複数の位置のうちの少なくとも1つは前記基板の前記内部に位置しており、
前記加工の際に、
レーザ光ビームを照射して前記第1の面を通過させ、前記第1の面の通過後に前記第2の面を通過させ、前記レーザ光ビームは、前記基板の表面上のスポット内で、前記スポットにより照射される前記基板の一部によって光の多光子吸収を刺激するのに十分な強度とフルエンスを有し、
前記複数の加工位置のうち少なくとも一部がガイド経路に沿って配置されるように、前記レーザ光ビームを前記基板に対して走査させ、
前記ガイド経路に沿って前記基板を分離する、
方法。 - 前記スポットは楕円形状を有している、請求項29の方法。
- 前記スポットは前記基板の前記第2の面上にある、請求項29の方法。
- 前記基板の加工の際に、前記第2の面から前記基板の前記内部に延びるガイド溝を形成する、請求項29の方法。
- 前記ガイド溝は前記ガイド経路に沿って延びる、請求項32の方法。
- 第1の面と該第1の面とは反対側の第2の面とを有する基板を分離するための装置であって、
ビームウェストを有するレーザ光集束ビームを光路に沿って照射するように構成されるレーザシステムと、
前記第1の面が前記レーザシステムに対向し、前記ビームウェストが前記基板の表面上又は前記基板の外側に位置することができるように、強化ガラス基板を支持するように構成されるワークピース支持システムと、
前記レーザシステム及び前記ワークピース支持システムの少なくとも一方に連結されるコントローラと、
を備え、
前記コントローラは、
前記レーザ光ビームを照射して前記第1の面を通過させ、前記第1の面の通過後に前記第2の面を通過させ、前記レーザ光ビームが、前記基板の表面上のスポット内で、該スポットにより照射される前記基板の一部によって光の多光子吸収を刺激するのに十分な強度とフルエンスを前記基板の表面上のスポット内で有し、
前記レーザ光ビームを前記基板に対してガイド経路に沿って走査させるように、
前記レーザシステム及び前記ワークピース支持システムの前記少なくとも一方を制御するための指令を実行するように構成されるプロセッサと、
前記指令を格納するように構成されるメモリと、
を備える、
装置。 - 第1の面と、第2の面と、端面とを有する強化ガラス製品を備え、
前記端面は、
前記第2の面から前記第1の面に向かって延びる主縁部領域と、
前記主縁部領域から前記第1の面に延びるノッチ領域と、
を含む、製品。 - 前記ノッチ領域は前記第1の面の縁部に沿って延びる、請求項35の製品。
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US201261604380P | 2012-02-28 | 2012-02-28 | |
US61/604,380 | 2012-02-28 | ||
PCT/US2013/027947 WO2013130549A1 (en) | 2012-02-28 | 2013-02-27 | Method and apparatus for separation of strengthened glass and articles produced thereby |
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JP2015511571A true JP2015511571A (ja) | 2015-04-20 |
JP2015511571A5 JP2015511571A5 (ja) | 2016-04-14 |
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US (1) | US9828277B2 (ja) |
JP (1) | JP2015511571A (ja) |
KR (1) | KR20140138134A (ja) |
CN (1) | CN104136967B (ja) |
TW (1) | TW201350245A (ja) |
WO (1) | WO2013130549A1 (ja) |
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- 2013-02-27 CN CN201380009631.3A patent/CN104136967B/zh not_active Expired - Fee Related
- 2013-02-27 KR KR1020147023715A patent/KR20140138134A/ko active Search and Examination
- 2013-02-27 US US13/778,950 patent/US9828277B2/en not_active Expired - Fee Related
- 2013-03-01 TW TW102107446A patent/TW201350245A/zh unknown
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US20130224439A1 (en) | 2013-08-29 |
US9828277B2 (en) | 2017-11-28 |
WO2013130549A1 (en) | 2013-09-06 |
CN104136967A (zh) | 2014-11-05 |
KR20140138134A (ko) | 2014-12-03 |
TW201350245A (zh) | 2013-12-16 |
CN104136967B (zh) | 2018-02-16 |
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