JPWO2017057375A1 - 紫外線透過ガラス - Google Patents
紫外線透過ガラス Download PDFInfo
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- JPWO2017057375A1 JPWO2017057375A1 JP2017543438A JP2017543438A JPWO2017057375A1 JP WO2017057375 A1 JPWO2017057375 A1 JP WO2017057375A1 JP 2017543438 A JP2017543438 A JP 2017543438A JP 2017543438 A JP2017543438 A JP 2017543438A JP WO2017057375 A1 JPWO2017057375 A1 JP WO2017057375A1
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- glass
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- 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 abstract description 186
- 238000002834 transmittance Methods 0.000 claims abstract description 75
- 230000003595 spectral effect Effects 0.000 claims abstract description 9
- 229910052708 sodium Inorganic materials 0.000 claims abstract description 6
- 229910052788 barium Inorganic materials 0.000 claims abstract description 5
- 229910052791 calcium Inorganic materials 0.000 claims abstract description 5
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 5
- 229910052712 strontium Inorganic materials 0.000 claims abstract description 5
- 229910052749 magnesium Inorganic materials 0.000 claims abstract description 4
- 229910052700 potassium Inorganic materials 0.000 claims abstract description 4
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 22
- 230000006866 deterioration Effects 0.000 claims description 14
- 238000012360 testing method Methods 0.000 claims description 10
- 229910010413 TiO 2 Inorganic materials 0.000 claims description 9
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 8
- 229910052783 alkali metal Inorganic materials 0.000 claims description 4
- 150000001340 alkali metals Chemical class 0.000 claims description 4
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 4
- 150000001342 alkaline earth metals Chemical class 0.000 claims description 4
- 230000015556 catabolic process Effects 0.000 claims description 4
- 238000006731 degradation reaction Methods 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract description 7
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 abstract 2
- 239000003513 alkali Substances 0.000 abstract 1
- 229910052681 coesite Inorganic materials 0.000 abstract 1
- 229910052593 corundum Inorganic materials 0.000 abstract 1
- 229910052906 cristobalite Inorganic materials 0.000 abstract 1
- 239000000377 silicon dioxide Substances 0.000 abstract 1
- 235000012239 silicon dioxide Nutrition 0.000 abstract 1
- 229910052682 stishovite Inorganic materials 0.000 abstract 1
- 229910052905 tridymite Inorganic materials 0.000 abstract 1
- 229910001845 yogo sapphire Inorganic materials 0.000 abstract 1
- 239000000463 material Substances 0.000 description 24
- 239000002585 base Substances 0.000 description 14
- 239000012780 transparent material Substances 0.000 description 14
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 13
- 239000000758 substrate Substances 0.000 description 12
- 239000002994 raw material Substances 0.000 description 11
- 230000008859 change Effects 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 9
- 230000035699 permeability Effects 0.000 description 9
- 238000004040 coloring Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 238000005336 cracking Methods 0.000 description 7
- 229910052760 oxygen Inorganic materials 0.000 description 6
- 229910052697 platinum Inorganic materials 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 239000000919 ceramic Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000002844 melting Methods 0.000 description 5
- 230000008018 melting Effects 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 239000011347 resin Substances 0.000 description 5
- 229920005989 resin Polymers 0.000 description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 238000004113 cell culture Methods 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 238000005304 joining Methods 0.000 description 4
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 4
- 229910052753 mercury Inorganic materials 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- 230000001954 sterilising effect Effects 0.000 description 4
- 238000004659 sterilization and disinfection Methods 0.000 description 4
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 238000005498 polishing Methods 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 238000009281 ultraviolet germicidal irradiation Methods 0.000 description 3
- 235000012431 wafers Nutrition 0.000 description 3
- 229910001260 Pt alloy Inorganic materials 0.000 description 2
- 206010040925 Skin striae Diseases 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 230000000844 anti-bacterial effect Effects 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000006059 cover glass Substances 0.000 description 2
- 239000000156 glass melt Substances 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000001678 irradiating effect Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000010948 rhodium Substances 0.000 description 2
- 230000007847 structural defect Effects 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 238000000018 DNA microarray Methods 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- 229910018068 Li 2 O Inorganic materials 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- 229910006404 SnO 2 Inorganic materials 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- YXTPWUNVHCYOSP-UHFFFAOYSA-N bis($l^{2}-silanylidene)molybdenum Chemical compound [Si]=[Mo]=[Si] YXTPWUNVHCYOSP-UHFFFAOYSA-N 0.000 description 1
- 239000005388 borosilicate glass Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004031 devitrification Methods 0.000 description 1
- 239000007850 fluorescent dye Substances 0.000 description 1
- 102000034287 fluorescent proteins Human genes 0.000 description 1
- 108091006047 fluorescent proteins Proteins 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910021344 molybdenum silicide Inorganic materials 0.000 description 1
- -1 oxide Chemical class 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 239000005365 phosphate glass Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 239000011342 resin composition Substances 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000005361 soda-lime glass Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
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
-
- 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
- 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
- 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
- C03C3/093—Glass compositions containing silica with 40% to 90% silica, by weight containing boron containing aluminium containing zinc or zirconium
-
- 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
- C03C4/0085—Compositions for glass with special properties for UV-transmitting glass
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Glass Compositions (AREA)
Abstract
Description
Claims (10)
- 酸化物基準のモル百分率表示で、
SiO2を55%以上80%以下、
B2O3を12%以上27%以下、
R2O(Rは、Li、Na、およびKからなる群より選択される少なくとも1種のアルカリ金属を示す。)を合計で4%以上20%以下、
Al2O3を0%以上5%以下、
R´O(R´は、Mg、Ca、Sr、およびBaからなる群より選択される少なくとも1種のアルカリ土類金属を示す。)を合計で0%以上5%以下、
ZnOを0%以上5%以下、
ZrO2を1.5%以上20%以下含有し、
厚さ0.5mmにおける分光透過率において、波長254nmの透過率が70%以上であることを特徴とする紫外線透過ガラス。 - Al2O3を実質的に含有しないことを特徴とする、請求項1に記載の紫外線透過ガラス。
- Al2O3を0.5%以上5%以下含有することを特徴とする、請求項1に記載の紫外線透過ガラス。
- R´Oを実質的に含有しないことを特徴とする、請求項1ないし3のいずれか1項に記載の紫外線透過ガラス。
- Fe2O3を0.00005%以上0.01%以下および/またはTiO2を0.0001%以上0.02%以下さらに含有することを特徴とする、請求項1ないし4のいずれか1項に記載の紫外線透過ガラス。
- Cr2O3、NiO、CuO、CeO2、V2O5、WO3、MoO3、MnO2、CoOのいずれも実質的に含有しないことを特徴とする、請求項1ないし5のいずれか1項に記載の紫外線透過ガラス。
- Clを実質的に含有しないことを特徴とする、請求項1ないし6のいずれか1項に記載の紫外線透過ガラス。
- 紫外線照射試験において、下記式(1)で求められる、波長254nmの透過率の劣化度が5%以下であることを特徴とする、請求項1ないし7のいずれか1項に記載の紫外線透過ガラス。
劣化度(%)=[(T0−T1)/T0]×100・・・式(1)
(式(1)中、T0は、両面を光学研磨した厚さ0.5mmの前記紫外線透過ガラスの波長254nmにおける初期透過率であり、T1は、前記紫外線透過ガラスに波長254nmの紫外線を5mW/cm2の強度で100時間照射した後の、前記紫外線透過ガラスの波長254nmにおける透過率である。) - 厚さ0.5mmにおける分光透過率において、波長365nmの透過率が80%以上であることを特徴とする、請求項1ないし8のいずれか1項に記載の紫外線透過ガラス。
- 0℃以上300℃以下の温度範囲の平均熱膨張係数が、30×10−7/℃以上90×10−7/℃以下であることを特徴とする、請求項1ないし9のいずれか1項に記載の紫外線透過ガラス。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015193598 | 2015-09-30 | ||
JP2015193598 | 2015-09-30 | ||
PCT/JP2016/078482 WO2017057375A1 (ja) | 2015-09-30 | 2016-09-27 | 紫外線透過ガラス |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2017057375A1 true JPWO2017057375A1 (ja) | 2018-07-19 |
JP6907941B2 JP6907941B2 (ja) | 2021-07-21 |
Family
ID=58423620
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017543438A Active JP6907941B2 (ja) | 2015-09-30 | 2016-09-27 | 紫外線透過ガラス |
Country Status (4)
Country | Link |
---|---|
US (1) | US20180215652A1 (ja) |
JP (1) | JP6907941B2 (ja) |
TW (1) | TW201730126A (ja) |
WO (1) | WO2017057375A1 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI692459B (zh) * | 2015-05-29 | 2020-05-01 | 日商Agc股份有限公司 | 紫外線透射玻璃 |
JP6819943B2 (ja) * | 2016-06-10 | 2021-01-27 | 日本電気硝子株式会社 | 気密パッケージの製造方法及び気密パッケージ |
JP7289612B2 (ja) * | 2018-02-28 | 2023-06-12 | 日本電気硝子株式会社 | 紫外線透過ガラス及びその製造方法 |
CN115180825B (zh) * | 2022-08-09 | 2023-10-10 | 中建材玻璃新材料研究院集团有限公司 | 一种适合浮法成型的紫外高透玻璃及其制备方法 |
CN115784610B (zh) * | 2022-11-29 | 2024-05-28 | 南京华生皓光电科技有限公司 | 一种用于液晶配向工艺的uvb紫外荧光灯用玻管及应用 |
CN116573857B (zh) * | 2023-07-12 | 2023-10-27 | 山东龙光天旭太阳能有限公司 | 一种高紫外线透过率的硼硅酸盐玻璃及其制备方法 |
Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB791374A (en) * | 1955-06-11 | 1958-02-26 | Zeiss Stiftung | Alkali-resistant silicate glass |
JPS5792544A (en) * | 1980-11-26 | 1982-06-09 | Sumita Kogaku Glass Seizosho:Kk | Glass of low expansion |
JPS62256739A (ja) * | 1986-04-26 | 1987-11-09 | Seiko Epson Corp | ガラス |
JPH02188442A (ja) * | 1989-01-17 | 1990-07-24 | Nikon Corp | リン酸系光学ガラス |
JPH07187706A (ja) * | 1993-10-15 | 1995-07-25 | Jenaer Glaswerk Gmbh | 改良された紫外線透過性及び加水分解安定性を有する還元溶融ホウケイ酸ガラス及びその利用法 |
JPH07202208A (ja) * | 1993-12-28 | 1995-08-04 | Nec Corp | 透明絶縁性基板および薄膜トランジスタ |
JPH1036134A (ja) * | 1996-07-22 | 1998-02-10 | Nippon Electric Glass Co Ltd | アルミナ封着用紫外線透過ガラス |
JP2007137705A (ja) * | 2005-11-16 | 2007-06-07 | Nippon Sheet Glass Co Ltd | ガラス組成物 |
WO2007094373A1 (ja) * | 2006-02-14 | 2007-08-23 | Nippon Sheet Glass Company, Limited | ガラス組成物 |
WO2008029518A1 (fr) * | 2006-09-06 | 2008-03-13 | Agc Techno Glass Co., Ltd. | verre absorbant les ultraviolets pour lampe fluorescente et tube en verre le comprenant pour lampe fluorescente |
JP2013091593A (ja) * | 2011-10-04 | 2013-05-16 | Omg Co Ltd | 紫外線透過ガラス |
JP2015508385A (ja) * | 2012-01-12 | 2015-03-19 | ショット・アーゲー | 高い耐ソラリゼーション性を有する高透過性ガラス、それらの使用およびそれらの製造方法 |
JP2015074589A (ja) * | 2013-10-10 | 2015-04-20 | 日本電気硝子株式会社 | 紫外線発光素子用カバーガラス |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2015127291A (ja) * | 2013-11-27 | 2015-07-09 | 日本電気硝子株式会社 | ガラス |
WO2015087812A1 (ja) * | 2013-12-11 | 2015-06-18 | 旭硝子株式会社 | 発光ダイオードパッケージ用カバーガラス、封着構造体および発光装置 |
TWI692459B (zh) * | 2015-05-29 | 2020-05-01 | 日商Agc股份有限公司 | 紫外線透射玻璃 |
WO2017163963A1 (ja) * | 2016-03-24 | 2017-09-28 | 旭硝子株式会社 | 紫外線透過ガラス、紫外線照射装置および紫外線殺菌装置 |
-
2016
- 2016-09-27 WO PCT/JP2016/078482 patent/WO2017057375A1/ja active Application Filing
- 2016-09-27 JP JP2017543438A patent/JP6907941B2/ja active Active
- 2016-09-29 TW TW105131359A patent/TW201730126A/zh unknown
-
2018
- 2018-03-29 US US15/939,509 patent/US20180215652A1/en not_active Abandoned
Patent Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB791374A (en) * | 1955-06-11 | 1958-02-26 | Zeiss Stiftung | Alkali-resistant silicate glass |
JPS5792544A (en) * | 1980-11-26 | 1982-06-09 | Sumita Kogaku Glass Seizosho:Kk | Glass of low expansion |
JPS62256739A (ja) * | 1986-04-26 | 1987-11-09 | Seiko Epson Corp | ガラス |
JPH02188442A (ja) * | 1989-01-17 | 1990-07-24 | Nikon Corp | リン酸系光学ガラス |
JPH07187706A (ja) * | 1993-10-15 | 1995-07-25 | Jenaer Glaswerk Gmbh | 改良された紫外線透過性及び加水分解安定性を有する還元溶融ホウケイ酸ガラス及びその利用法 |
JPH07202208A (ja) * | 1993-12-28 | 1995-08-04 | Nec Corp | 透明絶縁性基板および薄膜トランジスタ |
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JP2007137705A (ja) * | 2005-11-16 | 2007-06-07 | Nippon Sheet Glass Co Ltd | ガラス組成物 |
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