JP7226508B2 - ガラス基板 - Google Patents
ガラス基板 Download PDFInfo
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- JP7226508B2 JP7226508B2 JP2021181818A JP2021181818A JP7226508B2 JP 7226508 B2 JP7226508 B2 JP 7226508B2 JP 2021181818 A JP2021181818 A JP 2021181818A JP 2021181818 A JP2021181818 A JP 2021181818A JP 7226508 B2 JP7226508 B2 JP 7226508B2
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- glass
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- 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
- C03C3/083—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound
- C03C3/085—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal
- C03C3/087—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal containing calcium oxide, e.g. common sheet or container glass
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B15/00—Drawing glass upwardly from the melt
- C03B15/02—Drawing glass sheets
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B17/00—Forming molten glass by flowing-out, pushing-out, extruding or drawing downwardly or laterally from forming slits or by overflowing over lips
- C03B17/06—Forming glass sheets
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
- C03B5/02—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture in electric furnaces, e.g. by dielectric heating
- C03B5/027—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture in electric furnaces, e.g. by dielectric heating by passing an electric current between electrodes immersed in the glass bath, i.e. by direct resistance heating
-
- 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
- C03C1/00—Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels
- C03C1/004—Refining agents
-
- 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
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/06—Surface treatment of glass, not in the form of fibres or filaments, by coating with metals
-
- 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
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B33/00—Electroluminescent light sources
- H05B33/02—Details
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
- C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
- C03B5/235—Heating the glass
- C03B5/2353—Heating the glass by combustion with pure oxygen or oxygen-enriched air, e.g. using oxy-fuel burners or oxygen lances
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B5/00—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture
- C03B5/16—Special features of the melting process; Auxiliary means specially adapted for glass-melting furnaces
- C03B5/42—Details of construction of furnace walls, e.g. to prevent corrosion; Use of materials for furnace walls
- C03B5/43—Use of materials for furnace walls, e.g. fire-bricks
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K77/00—Constructional details of devices covered by this subclass and not covered by groups H10K10/80, H10K30/80, H10K50/80 or H10K59/80
- H10K77/10—Substrates, e.g. flexible substrates
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- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Electrochemistry (AREA)
- Glass Compositions (AREA)
Description
(1)薄型のガラス基板の生産性が高いこと、特に溶融性や清澄性が高いこと。
(2)LTPS・TFTや酸化物TFTの作製には、従来のアモルファスSi・TFTに比べて、熱処理温度が高温になる。よって、ガラス基板の熱収縮を低減するために、従来よりも耐熱性が高いこと。
Logη500 = 0.167×Ps-0.015×Ta-0.062×Ts-18.5
Ps:歪点(℃)
Ta:徐冷点(℃)
Ts:軟化点(℃)
A値 = Logη500 - [β―OH値(mm-1)] × [B2O3(質量%)]
β-OH値 = (1/X)log(T1/T2)
X:板厚(mm)
T1:参照波長3846cm-1における透過率(%)
T2:水酸基吸収波長3600cm-1付近における最小透過率(%)
Claims (10)
- ガラス組成中のSiO 2 の含有量が55~65質量%、B2O3の含有量が1.5~6.6質量%、CaOの含有量が2~6.3質量%であり、高温粘度102.5ポアズにおける温度が1670℃以下であり、下記式で算出される500℃における推定粘度Logη500が26.0以上であることを特徴とするガラス基板。
Logη500 = 0.167×Ps-0.015×Ta-0.062×Ts-18.5
Ps:歪点(℃)
Ta:徐冷点(℃)
Ts:軟化点(℃) - 下記式で算出されるA値が25.0以上であることを特徴とする請求項1に記載のガラス基板。
A値 = Logη500 - [β―OH値(mm-1)] × [B2O3(質量%)] - β―OH値が0.20/mm以下であることを特徴とする請求項1又は2に記載のガラス基板。
- β―OH値が0.15/mm以下であることを特徴とする請求項1~3の何れかに記載のガラス基板。
- B2O3の含有量が1.5~2質量%であることを特徴とする請求項1~4に記載のガラス基板。
- ガラス組成として、質量%で、SiO2 55~65%、Al2O3 16~22%、B2O3 1.5~6.6%、Li2O+Na2O+K2O 0~0.1%未満、MgO 1~6%、CaO 2~6.3%、SrO 0~2%、BaO 4~13%、As2O3 0~0.010%未満、Sb2O3 0~0.010%未満を含有することを特徴とする請求項1~4の何れかに記載のガラス基板。
- ガラス組成中のFe2O3の含有量が0.010質量%以下であることを特徴とする請求項1~6の何れかに記載のガラス基板。
- 液相温度が1300℃以下であることを特徴とする請求項1~7の何れかに記載のガラス基板。
- 板厚中央部に成形合流面を有することを特徴とする請求項1~8の何れかに記載のガラス基板。
- 有機ELデバイスの基板に用いることを特徴とする請求項1~9の何れかに記載のガラス基板。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017087804 | 2017-04-27 | ||
JP2017087804 | 2017-04-27 | ||
JP2017109939A JP7001987B2 (ja) | 2017-04-27 | 2017-06-02 | ガラス基板 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017109939A Division JP7001987B2 (ja) | 2017-04-27 | 2017-06-02 | ガラス基板 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2022010144A JP2022010144A (ja) | 2022-01-14 |
JP7226508B2 true JP7226508B2 (ja) | 2023-02-21 |
Family
ID=63919659
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2021181818A Active JP7226508B2 (ja) | 2017-04-27 | 2021-11-08 | ガラス基板 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20220363585A1 (ja) |
JP (1) | JP7226508B2 (ja) |
CN (1) | CN115259660A (ja) |
WO (1) | WO2018198804A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023022052A1 (ja) * | 2021-08-17 | 2023-02-23 | 日本電気硝子株式会社 | ガラス物品の製造方法及び製造装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015078092A (ja) | 2013-10-17 | 2015-04-23 | 日本電気硝子株式会社 | 無アルカリガラス |
JP2016113361A (ja) | 2014-12-12 | 2016-06-23 | 日本電気硝子株式会社 | 無アルカリガラス |
WO2017122576A1 (ja) | 2016-01-12 | 2017-07-20 | 日本電気硝子株式会社 | ガラス |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012063643A1 (ja) * | 2010-11-08 | 2012-05-18 | 日本電気硝子株式会社 | 無アルカリガラス |
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2018
- 2018-04-12 CN CN202210983759.0A patent/CN115259660A/zh active Pending
- 2018-04-12 WO PCT/JP2018/015429 patent/WO2018198804A1/ja active Application Filing
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2021
- 2021-11-08 JP JP2021181818A patent/JP7226508B2/ja active Active
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2022
- 2022-07-20 US US17/869,032 patent/US20220363585A1/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015078092A (ja) | 2013-10-17 | 2015-04-23 | 日本電気硝子株式会社 | 無アルカリガラス |
WO2015056645A1 (ja) | 2013-10-17 | 2015-04-23 | 日本電気硝子株式会社 | 無アルカリガラス |
JP2016113361A (ja) | 2014-12-12 | 2016-06-23 | 日本電気硝子株式会社 | 無アルカリガラス |
WO2017122576A1 (ja) | 2016-01-12 | 2017-07-20 | 日本電気硝子株式会社 | ガラス |
Also Published As
Publication number | Publication date |
---|---|
CN115259660A (zh) | 2022-11-01 |
US20220363585A1 (en) | 2022-11-17 |
WO2018198804A1 (ja) | 2018-11-01 |
JP2022010144A (ja) | 2022-01-14 |
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