JP5729673B2 - 無アルカリガラス - Google Patents
無アルカリガラス Download PDFInfo
- Publication number
- JP5729673B2 JP5729673B2 JP2010271298A JP2010271298A JP5729673B2 JP 5729673 B2 JP5729673 B2 JP 5729673B2 JP 2010271298 A JP2010271298 A JP 2010271298A JP 2010271298 A JP2010271298 A JP 2010271298A JP 5729673 B2 JP5729673 B2 JP 5729673B2
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- JP
- Japan
- Prior art keywords
- alkali
- glass
- free glass
- temperature
- content
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000011521 glass Substances 0.000 title claims description 114
- 239000000203 mixture Substances 0.000 claims description 14
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 11
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 11
- 238000007500 overflow downdraw method Methods 0.000 claims description 9
- 229910006404 SnO 2 Inorganic materials 0.000 claims description 8
- 229910000272 alkali metal oxide Inorganic materials 0.000 claims description 6
- 239000003513 alkali Substances 0.000 claims description 5
- 238000004031 devitrification Methods 0.000 description 23
- 238000004519 manufacturing process Methods 0.000 description 16
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 16
- 238000000034 method Methods 0.000 description 15
- 239000003566 sealing material Substances 0.000 description 14
- 239000013078 crystal Substances 0.000 description 10
- 229910052697 platinum Inorganic materials 0.000 description 8
- 239000000758 substrate Substances 0.000 description 8
- 238000002844 melting Methods 0.000 description 7
- 230000008018 melting Effects 0.000 description 7
- 229910000287 alkaline earth metal oxide Inorganic materials 0.000 description 6
- 238000000137 annealing Methods 0.000 description 6
- 230000007423 decrease Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 230000001105 regulatory effect Effects 0.000 description 6
- 239000002994 raw material Substances 0.000 description 5
- 238000007789 sealing Methods 0.000 description 5
- 239000006025 fining agent Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 208000013201 Stress fracture Diseases 0.000 description 3
- 229910010413 TiO 2 Inorganic materials 0.000 description 3
- 229910052661 anorthite Inorganic materials 0.000 description 3
- GWWPLLOVYSCJIO-UHFFFAOYSA-N dialuminum;calcium;disilicate Chemical compound [Al+3].[Al+3].[Ca+2].[O-][Si]([O-])([O-])[O-].[O-][Si]([O-])([O-])[O-] GWWPLLOVYSCJIO-UHFFFAOYSA-N 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000006060 molten glass Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 229910000323 aluminium silicate Inorganic materials 0.000 description 2
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000006059 cover glass Substances 0.000 description 2
- 229910052906 cristobalite Inorganic materials 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000006066 glass batch Substances 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229910052863 mullite Inorganic materials 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000005191 phase separation Methods 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000007088 Archimedes method Methods 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- -1 F 2 Substances 0.000 description 1
- 229910021193 La 2 O 3 Inorganic materials 0.000 description 1
- 229910018068 Li 2 O Inorganic materials 0.000 description 1
- 238000006124 Pilkington process Methods 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 239000008395 clarifying agent Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 238000003280 down draw process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 229910001631 strontium chloride Inorganic materials 0.000 description 1
- AHBGXTDRMVNFER-UHFFFAOYSA-L strontium dichloride Chemical compound [Cl-].[Cl-].[Sr+2] AHBGXTDRMVNFER-UHFFFAOYSA-L 0.000 description 1
- 229910052917 strontium silicate Inorganic materials 0.000 description 1
- QSQXISIULMTHLV-UHFFFAOYSA-N strontium;dioxido(oxo)silane Chemical compound [Sr+2].[O-][Si]([O-])=O QSQXISIULMTHLV-UHFFFAOYSA-N 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Landscapes
- Glass Compositions (AREA)
- Electroluminescent Light Sources (AREA)
Description
(1)熱処理工程で成膜された半導体物質中にアルカリイオンが拡散する事態を防止するため、実質的にアルカリ金属酸化物を含有しないこと、
(2)ガラス板を低廉化するため、生産性に優れること、特に耐失透性や溶融性に優れること、
(3)p−Si・TFTの製造工程において、熱収縮を低減するため、歪点が高いこと。
Claims (9)
- ガラス組成として、質量%で、SiO2 55〜75%、Al2O3 10〜20%、B2O3 0.5〜5%、MgO 0〜6%、CaO 3〜10%、SrO 0〜9%、BaO 1〜15%、P2O5 0.1〜2.5%を含有し、実質的にアルカリ金属酸化物を含有せず、歪点が680℃より高いことを特徴とする無アルカリガラス。
- 液相温度が1200℃より低いことを特徴とする請求項1に記載の無アルカリガラス。
- モル比SiO2/Al2O3の値が5.5〜7.5であることを特徴とする請求項1又は2に記載の無アルカリガラス。
- SnO2を0.001〜1質量%含むことを特徴とする請求項1〜3のいずれかに記載の無アルカリガラス。
- 30〜380℃の温度範囲における平均熱膨張係数が40〜55×10−7/℃であることを特徴とする請求項1〜4のいずれかに記載の無アルカリガラス。
- 102.5ポアズにおける温度が1660℃以下であることを特徴とする請求項1〜5のいずれかに記載の無アルカリガラス。
- 液相温度における粘度が104.8ポアズ以上であることを特徴とする請求項1〜6のいずれかに記載の無アルカリガラス。
- オーバーフローダウンドロー法で成形されてなることを特徴とする請求項1〜7のいずれかに記載の無アルカリガラス。
- 有機ELデバイスに用いることを特徴とする請求項1〜8のいずれかに記載の無アルカリガラス。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010271298A JP5729673B2 (ja) | 2010-12-06 | 2010-12-06 | 無アルカリガラス |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010271298A JP5729673B2 (ja) | 2010-12-06 | 2010-12-06 | 無アルカリガラス |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012121738A JP2012121738A (ja) | 2012-06-28 |
JP5729673B2 true JP5729673B2 (ja) | 2015-06-03 |
Family
ID=46503613
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010271298A Active JP5729673B2 (ja) | 2010-12-06 | 2010-12-06 | 無アルカリガラス |
Country Status (1)
Country | Link |
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JP (1) | JP5729673B2 (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3447034A3 (en) * | 2012-12-21 | 2019-06-26 | Corning Incorporated | Glass with improved total pitch stability |
JP6575223B2 (ja) * | 2014-08-27 | 2019-09-18 | Agc株式会社 | 無アルカリガラス |
JP2016100280A (ja) * | 2014-11-25 | 2016-05-30 | 株式会社Joled | 有機elパネル |
JP7004488B2 (ja) * | 2015-03-10 | 2022-01-21 | 日本電気硝子株式会社 | ガラス基板 |
KR20180015611A (ko) * | 2015-06-02 | 2018-02-13 | 니폰 덴키 가라스 가부시키가이샤 | 유리 |
US11066326B2 (en) * | 2016-12-20 | 2021-07-20 | Nippon Electric Glass Co., Ltd. | Glass |
JP6631942B2 (ja) * | 2017-11-28 | 2020-01-15 | 日本電気硝子株式会社 | 無アルカリガラス板 |
JP6787872B2 (ja) * | 2017-11-28 | 2020-11-18 | 日本電気硝子株式会社 | 無アルカリガラス板 |
CN108341595B (zh) | 2018-02-12 | 2020-09-29 | 东旭集团有限公司 | 玻璃用组合物、低夹杂物含量的玻璃及其制备方法和应用 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5632347A (en) * | 1979-08-28 | 1981-04-01 | Asahi Glass Co Ltd | Glass for tungsten halogen electric bulb |
JPS61132536A (ja) * | 1984-12-01 | 1986-06-20 | Nippon Electric Glass Co Ltd | ガラス組成物 |
JP3083586B2 (ja) * | 1991-04-26 | 2000-09-04 | 旭硝子株式会社 | 無アルカリガラス |
JP2002003240A (ja) * | 2000-06-19 | 2002-01-09 | Nippon Electric Glass Co Ltd | 液晶ディスプレイ用ガラス基板 |
JP2003112942A (ja) * | 2001-10-03 | 2003-04-18 | Nippon Electric Glass Co Ltd | 電界放射型ディスプレイ用ガラス基板 |
JP5757451B2 (ja) * | 2009-03-18 | 2015-07-29 | 日本電気硝子株式会社 | 無アルカリガラス |
-
2010
- 2010-12-06 JP JP2010271298A patent/JP5729673B2/ja active Active
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Publication number | Publication date |
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JP2012121738A (ja) | 2012-06-28 |
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