JP7094946B2 - レーザ加熱によるガラス物品の組成変更およびその製造方法 - Google Patents
レーザ加熱によるガラス物品の組成変更およびその製造方法 Download PDFInfo
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- 239000011521 glass Substances 0.000 title claims description 245
- 239000000203 mixture Substances 0.000 title claims description 27
- 238000004519 manufacturing process Methods 0.000 title description 3
- 238000004093 laser heating Methods 0.000 title description 2
- 229910052783 alkali metal Inorganic materials 0.000 claims description 54
- 150000001340 alkali metals Chemical class 0.000 claims description 54
- 238000000034 method Methods 0.000 claims description 28
- 229910052751 metal Inorganic materials 0.000 claims description 20
- 239000002184 metal Substances 0.000 claims description 20
- 238000010438 heat treatment Methods 0.000 claims description 17
- 229910052752 metalloid Inorganic materials 0.000 description 38
- 150000002738 metalloids Chemical class 0.000 description 38
- 230000003287 optical effect Effects 0.000 description 29
- 229910052796 boron Inorganic materials 0.000 description 24
- 239000011734 sodium Substances 0.000 description 22
- 229910052708 sodium Inorganic materials 0.000 description 21
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 19
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 15
- 229910052760 oxygen Inorganic materials 0.000 description 12
- 239000005388 borosilicate glass Substances 0.000 description 8
- 230000008859 change Effects 0.000 description 8
- 229910052701 rubidium Inorganic materials 0.000 description 7
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 6
- 229910052792 caesium Inorganic materials 0.000 description 6
- 238000005342 ion exchange Methods 0.000 description 6
- 239000005368 silicate glass Substances 0.000 description 6
- 238000001704 evaporation Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 229910018068 Li 2 O Inorganic materials 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 239000002241 glass-ceramic Substances 0.000 description 4
- -1 zinc and indium Chemical class 0.000 description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 241000209094 Oryza Species 0.000 description 3
- 235000007164 Oryza sativa Nutrition 0.000 description 3
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 3
- 229910004298 SiO 2 Inorganic materials 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 229910006404 SnO 2 Inorganic materials 0.000 description 3
- 229910010413 TiO 2 Inorganic materials 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052787 antimony Inorganic materials 0.000 description 3
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 3
- 229910052785 arsenic Inorganic materials 0.000 description 3
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 3
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000007730 finishing process Methods 0.000 description 3
- 229910052732 germanium Inorganic materials 0.000 description 3
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- 229910052700 potassium Inorganic materials 0.000 description 3
- 239000011591 potassium Substances 0.000 description 3
- 235000009566 rice Nutrition 0.000 description 3
- IGLNJRXAVVLDKE-UHFFFAOYSA-N rubidium atom Chemical compound [Rb] IGLNJRXAVVLDKE-UHFFFAOYSA-N 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 230000008961 swelling Effects 0.000 description 3
- 229910052714 tellurium Inorganic materials 0.000 description 3
- PORWMNRCUJJQNO-UHFFFAOYSA-N tellurium atom Chemical compound [Te] PORWMNRCUJJQNO-UHFFFAOYSA-N 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 229910052738 indium Inorganic materials 0.000 description 2
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 2
- PJXISJQVUVHSOJ-UHFFFAOYSA-N indium(III) oxide Inorganic materials [O-2].[O-2].[O-2].[In+3].[In+3] PJXISJQVUVHSOJ-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 238000001004 secondary ion mass spectrometry Methods 0.000 description 2
- 238000010583 slow cooling Methods 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 230000005457 Black-body radiation Effects 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 239000006127 ZAS system Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 150000001339 alkali metal compounds Chemical class 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 150000001642 boronic acid derivatives Chemical class 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000003426 chemical strengthening reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000003280 down draw process Methods 0.000 description 1
- 238000003286 fusion draw glass process Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 150000002737 metalloid compounds Chemical class 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 150000002843 nonmetals Chemical class 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 229910001414 potassium ion Inorganic materials 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910001415 sodium ion Inorganic materials 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000005341 toughened glass Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron
- C03C3/091—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C23/00—Other surface treatment of glass not in the form of fibres or filaments
- C03C23/0005—Other surface treatment of glass not in the form of fibres or filaments by irradiation
- C03C23/0025—Other surface treatment of glass not in the form of fibres or filaments by irradiation by a 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
- B23K26/02—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
- B23K26/064—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms
- B23K26/0648—Shaping the laser beam, e.g. by masks or multi-focusing by means of optical elements, e.g. lenses, mirrors or prisms comprising lenses
-
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C10/00—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/097—Glass compositions containing silica with 40% to 90% silica, by weight containing phosphorus, niobium or tantalum
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C4/00—Compositions for glass with special properties
- C03C4/0071—Compositions for glass with special properties for laserable glass
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
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- 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
- B23K2103/54—Glass
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- C03C2203/00—Production processes
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- C03—GLASS; MINERAL OR SLAG WOOL
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Description
ガラス物品の表面部分の組成を変更する方法において、該ガラス物品の該表面部分をレーザビームで約1100℃から約2200℃の範囲内の温度に加熱し、よって、その加熱により、該表面部分に存在する1種類以上の半金属および/または1種類以上のアルカリ金属が蒸発し、該表面部分が、前記レーザビームで加熱されていない該ガラス物品の部分と比べて、より低いアルカリ金属濃度および/またはより低い半金属濃度を有するように、該表面部分の組成が変わる工程を有してなる方法。
前記ガラス物品の表面部分を前記レーザビームで加熱する前に、該ガラス物品を約50℃から約900℃の範囲内の温度に予熱する工程をさらに含む、実施形態1に記載の方法。
前記ガラス物品の表面部分を前記レーザビームで加熱する工程が、回転多角形鏡を使用して、該ガラス物品の表面部分に沿って該レーザビームを走査させる工程を含む、実施形態1または2に記載の方法。
前記レーザビームが、約10kHzから約100Hzの範囲内の走査周波数を有する、実施形態1から3いずれか1つに記載の方法。
前記レーザビームが、fθレンズを使用して、前記ガラス物品の表面部分に集束される、実施形態1から4いずれか1つに記載の方法。
前記レーザビームが炭酸ガスレーザビームである、実施形態1から5いずれか1つに記載の方法。
前記レーザビームが、約5μmから15μmの範囲内の波長を有する、実施形態1から6いずれか1つに記載の方法。
前記ガラス物品の表面部分がエッジ部分であり、よって、該エッジ部分が、該ガラス物品のエッジから、該ガラス物品のバルク部分に向かって所定の深さまで延在する、実施形態1から7いずれか1つに記載の方法。
前記エッジ部分が前記ガラス物品のエッジから10μm以下に亘り延在する、実施形態8に記載の方法。
前記1種類以上のアルカリ金属が、リチウム、ナトリウム、カリウム、ルビジウム、およびセシウムの1つ以上であり、前記1種類以上の半金属が、ホウ素、ケイ素、ゲルマニウム、ヒ素、アンチモン、およびテルルの1つ以上である、実施形態1から9いずれか1つに記載の方法。
前記レーザビームのレーザ出力密度が、約1W/mm2から約10W/mm2の範囲内にある、実施形態1から10いずれか1つに記載の方法。
前記1種類以上の半金属がホウ素であり、前記ガラス物品の表面部分が、前記レーザビームによって加熱されていない該ガラス物品の部分よりも高い屈折率を有する、実施形態1から10いずれか1つに記載の方法。
前記ガラス物品の表面部分が、前記レーザビームによって加熱されていない該ガラス物品の部分よりも低い熱膨張係数を有する、実施形態1から12いずれか1つに記載の方法。
ガラス物品において、
バルク部分および
前記バルク部分を取り囲む表面部分であって、前記バルク部分と比べて、より低いアルカリ金属濃度および/またはより低い半金属濃度を有する表面部分、
を含む、ガラス物品。
前記表面部分の前記アルカリ金属濃度または前記半金属濃度が、前記ガラス物品のバルク部分内のものより約80%低い、実施形態14に記載のガラス物品。
前記アルカリ金属濃度が、リチウム、ナトリウム、カリウム、ルビジウム、およびセシウムの1つ以上により与えられ、前記半金属濃度が、ホウ素、ケイ素、ゲルマニウム、ヒ素、アンチモン、およびテルルの1つ以上により与えられる、実施形態14または15に記載のガラス物品。
前記ガラス物品の表面部分がエッジ部分であり、よって、該エッジ部分が、該ガラス物品のエッジから、該ガラス物品のバルク部分に向かって所定の深さまで延在する、実施形態14から16いずれか1つに記載のガラス物品。
前記エッジ部分が前記ガラス物品のエッジから10μm以下に亘り延在する、実施形態17に記載のガラス物品。
前記バルク部分が、少なくとも5モル%のR2OおよびB2O3を含むケイ酸塩ガラスであり、式中、R2Oは、Li2O、Na2O、K2O、Rb2O、Cs2O、またはその組合せである、実施形態14から18いずれか1つに記載のガラス物品。
前記バルク部分が、少なくとも5モル%のR2O、B2O3、ZnO、P2O5、およびIn2O3を含むケイ酸塩ガラスであり、式中、R2Oは、Li2O、Na2O、K2O、Rb2O、Cs2O、またはその組合せである、実施形態14から18いずれか1つに記載のガラス物品。
前記半金属濃度がホウ素により与えられ、前記表面部分が、前記ガラス物品のバルク部分よりも高い屈折率を有する、実施形態14から20いずれか1つに記載のガラス物品。
前記表面部分が、前記ガラス物品のバルク部分よりも低い熱膨張係数を有する、実施形態14から21いずれか1つに記載のガラス物品。
前記表面部分の熱膨張係数が、少なくとも0.1ppm/℃だけ、前記ガラス物品のバルク部分の熱膨張係数より低い、実施形態14から22いずれか1つに記載のガラス物品。
光導波路装置において、
実施形態14から23いずれか1つに記載のガラス物品、および
前記表面部分および前記バルク部分の少なくとも一方の中に配置された光導波路であって、その中に光信号を伝播させるように機能する光導波路、
を備えた光導波路装置。
電子装置において、
電子ディスプレイ、および
前記電子ディスプレイ上に配置されたガラスカバーであって、実施形態14から23いずれか1つに記載のガラス物品から作られたガラスカバー、
を備えた電子装置。
110 表面部分
112、114 主面
115、116、117、118 副面
120 エッジ部分
122、124、126、128 エッジ
130 バルク部分
140、142、144 レーザビーム
180 処理部分
182 非処理部分
210 回転多角形鏡
220 レンズ
802 光導波路
900 電子機器
902 筐体
904 電子ディスプレイ
906 ガラスカバー
Claims (5)
- ガラス物品の表面部分の組成を変更する方法において、該ガラス物品の該表面部分をレーザビームで約1100℃から約2200℃の範囲内の温度に加熱し、よって、その加熱により、該表面部分に存在する1種類以上の半金属および/または1種類以上のアルカリ金属が蒸発し、該表面部分が、前記レーザビームで加熱されていない該ガラス物品の部分と比べて、より低いアルカリ金属濃度および/またはより低い半金属濃度を有するように、該表面部分の組成が変わる工程を有してなり、
前記表面部分が、前記ガラス物品の主面の全体でもなく、前記ガラス物品の副面の全体でもない、方法。 - 前記ガラス物品の表面部分を前記レーザビームで加熱する工程が、回転多角形鏡を使用して、該ガラス物品の表面部分に沿って該レーザビームを走査させる工程を含む、請求項1記載の方法。
- 前記レーザビームが、fθレンズを使用して、前記ガラス物品の表面部分に集束される、請求項1または2記載の方法。
- 前記ガラス物品の表面部分がエッジ部分であり、よって、該エッジ部分が、該ガラス物品のエッジから、該ガラス物品のバルク部分に向かって所定の深さまで延在する、請求項1から3いずれか1項記載の方法。
- 前記ガラス物品の表面部分が、前記レーザビームによって加熱されていない該ガラス物品の部分よりも低い熱膨張係数を有する、請求項1から4いずれか1項記載の方法。
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PCT/US2017/052674 WO2018063910A1 (en) | 2016-09-29 | 2017-09-21 | Compositional modification of glass articles through laser heating and methods for making the same |
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US20200048133A1 (en) * | 2018-08-09 | 2020-02-13 | Corning Incorporated | Articles having edges with compressive residual stress and methods of forming the same |
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KR20230095145A (ko) | 2021-12-21 | 2023-06-29 | 삼성디스플레이 주식회사 | 유리 제품 및 이를 포함하는 표시 장치 |
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TWI746646B (zh) | 2021-11-21 |
US11236017B2 (en) | 2022-02-01 |
TW201813940A (zh) | 2018-04-16 |
CN109803936A (zh) | 2019-05-24 |
US20200024188A1 (en) | 2020-01-23 |
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