JP2015516352A - 強化ガラスを加工する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
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- 238000000034 method Methods 0.000 title claims abstract description 61
- 238000012545 processing Methods 0.000 title claims abstract description 26
- 239000005341 toughened glass Substances 0.000 title claims description 36
- 239000000758 substrate Substances 0.000 claims abstract description 192
- 230000006835 compression Effects 0.000 claims description 35
- 238000007906 compression Methods 0.000 claims description 35
- 230000003287 optical effect Effects 0.000 claims description 21
- 230000002093 peripheral effect Effects 0.000 claims description 15
- 238000000926 separation method Methods 0.000 claims description 5
- 230000031700 light absorption Effects 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000001678 irradiating effect Effects 0.000 claims 5
- 230000008569 process Effects 0.000 description 26
- 239000011521 glass Substances 0.000 description 11
- 230000015572 biosynthetic process Effects 0.000 description 6
- 239000010410 layer Substances 0.000 description 5
- 239000000203 mixture Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 239000005407 aluminoborosilicate glass Substances 0.000 description 1
- 239000005354 aluminosilicate glass Substances 0.000 description 1
- 239000005388 borosilicate glass Substances 0.000 description 1
- -1 but not limited to Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000003486 chemical etching Methods 0.000 description 1
- 238000003426 chemical strengthening reaction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000005361 soda-lime glass Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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- 238000005496 tempering Methods 0.000 description 1
- 230000003685 thermal hair damage Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
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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
- B23K26/08—Devices involving relative movement between laser beam and workpiece
- B23K26/083—Devices involving movement of the workpiece in at least one axial direction
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B33/00—Severing cooled glass
- C03B33/09—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
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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
- B23K26/02—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
- B23K26/062—Shaping the laser beam, e.g. by masks or multi-focusing by direct control of the laser beam
- B23K26/0622—Shaping the laser beam, e.g. by masks or multi-focusing by direct control of the laser beam by shaping pulses
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- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/08—Devices involving relative movement between laser beam and workpiece
- B23K26/082—Scanning systems, i.e. devices involving movement of the laser beam relative to the laser head
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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
- B23K26/08—Devices involving relative movement between laser beam and workpiece
- B23K26/082—Scanning systems, i.e. devices involving movement of the laser beam relative to the laser head
- B23K26/0821—Scanning systems, i.e. devices involving movement of the laser beam relative to the laser head using multifaceted mirrors, e.g. polygonal mirror
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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
- B23K26/382—Removing material by boring or cutting by boring
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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
- B23K26/382—Removing material by boring or cutting by boring
- B23K26/386—Removing material by boring or cutting by boring of blind holes
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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
- B23K26/382—Removing material by boring or cutting by boring
- B23K26/389—Removing material by boring or cutting by boring of fluid openings, e.g. nozzles, jets
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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
- B23K26/40—Removing material taking account of the properties of the material involved
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
- B32B3/266—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
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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
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/50—Inorganic material, e.g. metals, not provided for in B23K2103/02 – B23K2103/26
-
- 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
-
- 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.]
- Y10T428/24273—Structurally defined web or sheet [e.g., overall dimension, etc.] including aperture
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- Toxicology (AREA)
- Thermal Sciences (AREA)
- Health & Medical Sciences (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Laser Beam Processing (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
Description
Claims (22)
- 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、
前記第1の面から前記第2の面に向かって延びる第1の凹部を前記基板に形成し、
前記第2の面から前記第1の面に向かって延びる第2の凹部を前記基板に形成し、
前記基板の前記第1の凹部から前記第2の凹部まで延びる部分を除去して、前記第1の面から前記第2の面まで延びる開口を前記基板に形成する、
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内部に延びる少なくとも1つの圧縮領域を含み、該少なくとも1つの圧縮領域内の応力が600MPaよりも大きい、請求項1の方法。
- 前記第1の凹部、前記第2の凹部、及び前記開口からなる群から選択される少なくとも1つを形成する際に、
レーザ光源を用意し、
前記レーザ光源を用いてレーザ光ビームを生成し、
前記レーザ光ビームを光路に沿って前記基板上に照射し、
前記照射されたレーザ光ビームを用いて前記基板の部分を除去する、
請求項1の方法。 - 前記レーザ光ビームを照射する際に、10フェムト秒(fs)よりも長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3の方法。
- 前記レーザ光ビームを照射する際に、100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3の方法。
- 前記レーザ光ビームを照射する際に、前記レーザ光ビームの焦点を合わせて前記基板の外側に又は前記第1の面上に又は前記第2の面上に位置するビームウェストを生成する、請求項3の方法。
- 前記照射されるレーザ光ビームを用いて前記基板の部分を除去する際に、前記基板の部分をアブレートする、請求項3の方法。
- 前記照射されるレーザ光ビームを用いて前記基板の部分を除去する際に、前記基板の部分での光の多光子吸収を誘起する、請求項3の方法。
- さらに、
前記基板の加工領域内で複数の除去経路に沿って前記光路を移動させ、
前記光路の移動に基づいて前記加工領域内で前記基板の部分を除去する、
請求項3の方法。 - 前記複数の除去経路のうちの少なくとも1つの除去経路が前記複数の除去経路のうちの他の除去経路と同心的である、請求項9の方法。
- 前記複数の除去経路のうちの少なくとも1つの除去経路が前記複数の除去経路のうちの他の除去経路と平行である、請求項9の方法。
- 前記第1の凹部を形成する際に、前記レーザ光ビームを前記第1の面を通過させ、該第1の面の通過後に前記第2の面を通過させるように照射する、請求項3の方法。
- 前記第2の凹部を形成する際に、前記レーザ光ビームを前記第1の面を通過させ、該第1の面の通過後に前記第2の面を通過させるように照射する、請求項3の方法。
- さらに、前記第1の凹部の形成と前記第2の凹部の形成との間で、前記基板に対する前記ビームウェストの位置を光軸に沿って変化させる、請求項3の方法。
- 前記第1の凹部から前記第2の凹部まで延びる前記基板の部分を除去する際に、前記レーザ光ビームを前記第1の凹部を通過させ、該第1の凹部の通過後に前記第2の凹部を通過させるように照射する、請求項3の方法。
- 前記第1の面及び前記第2の面の少なくとも一方は縁部と境界を接しており、前記第1の面及び前記第2の面の少なくとも一方に形成された前記開口の周縁は前記縁部から離間している、請求項1の方法。
- 前記周縁により囲まれる面積は0.7mm2よりも大きく50mm2よりも小さい、請求項16の方法。
- 前記周縁は、0.25mm-1よりも大きく2mm-1よりも小さい曲率半径を有する湾曲部を有する、請求項16の方法。
- 前記周縁は、第1の直線領域と第2の直線領域とを有し、前記第2の直線領域は、前記第1の直線領域から0.5mmよりも大きく8mmよりも小さい最小離間距離だけ離れている、請求項16の方法。
- 第1の圧縮領域と、第2の圧縮領域と、前記第1の圧縮領域と前記第2の圧縮領域との間に配置された引っ張り領域とを備えた強化ガラス基板に開口を形成する方法であって、
前記第1の圧縮領域内に配置された前記基板の第1の部分を除去し、
前記第2の圧縮領域内に配置された前記基板の第2の部分を除去し、
前記第1の部分及び前記第2の部分の除去後に、前記引っ張り領域内に配置された前記基板の第3の部分を除去する、
方法。 - 強化ガラス製品であって、
前記製品の表面から前記製品内の40μm以上の層深さ(DOL)まで延びる外側領域であって、600MPa以上の圧縮応力に等しい圧縮応力がかかる外側領域と、
前記製品内でかつ前記外側領域に隣接する内側領域であって、引っ張り応力がかかる内側領域と、
前記外側領域及び前記内側領域を貫通する開口と、
を備える、強化ガラス製品。 - 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に開口を形成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、
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、
前記第1の面から前記第2の面に向かって延びる第1の凹部を前記基板に形成し、
前記第2の面から前記第1の面に向かって延びる第2の凹部を前記基板に形成し、
前記基板の前記第1の凹部から前記第2の凹部まで延びる部分を除去して、前記第1の面から前記第2の面まで延びる開口を前記基板に形成するように、
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。
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US201261604544P | 2012-02-29 | 2012-02-29 | |
US61/604,544 | 2012-02-29 | ||
PCT/US2013/028022 WO2013130608A1 (en) | 2012-02-29 | 2013-02-27 | Methods and apparatus for machining strengthened glass and articles produced thereby |
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JP2015516352A5 JP2015516352A5 (ja) | 2016-04-14 |
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US (1) | US9227868B2 (ja) |
JP (1) | JP2015516352A (ja) |
KR (1) | KR20140131520A (ja) |
CN (1) | CN104114506B (ja) |
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JP2012031018A (ja) * | 2010-07-30 | 2012-02-16 | Asahi Glass Co Ltd | 強化ガラス基板及び強化ガラス基板の溝加工方法と強化ガラス基板の切断方法 |
JP2013043795A (ja) * | 2011-08-23 | 2013-03-04 | Nippon Electric Glass Co Ltd | 強化ガラス及びその製造方法 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2020199556A (ja) * | 2019-06-05 | 2020-12-17 | 株式会社ディスコ | 切削ブレードの製造方法、及び切削ブレード |
JP7368110B2 (ja) | 2019-06-05 | 2023-10-24 | 株式会社ディスコ | 切削ブレードの製造方法、及び切削ブレード |
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KR20140131520A (ko) | 2014-11-13 |
TW201351496A (zh) | 2013-12-16 |
CN104114506B (zh) | 2017-05-24 |
US9227868B2 (en) | 2016-01-05 |
TWI573186B (zh) | 2017-03-01 |
US20130224433A1 (en) | 2013-08-29 |
WO2013130608A1 (en) | 2013-09-06 |
CN104114506A (zh) | 2014-10-22 |
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