JP2005514309A - アルミニウムを含有する溶融シリカ - Google Patents
アルミニウムを含有する溶融シリカ Download PDFInfo
- Publication number
- JP2005514309A JP2005514309A JP2003557958A JP2003557958A JP2005514309A JP 2005514309 A JP2005514309 A JP 2005514309A JP 2003557958 A JP2003557958 A JP 2003557958A JP 2003557958 A JP2003557958 A JP 2003557958A JP 2005514309 A JP2005514309 A JP 2005514309A
- Authority
- JP
- Japan
- Prior art keywords
- fused silica
- aluminum
- article
- absorption
- laser
- 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.)
- Granted
Links
- 239000005350 fused silica glass Substances 0.000 title claims abstract description 93
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 48
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 48
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title abstract description 88
- 238000010521 absorption reaction Methods 0.000 claims abstract description 45
- 230000008859 change Effects 0.000 claims abstract description 20
- 230000003287 optical effect Effects 0.000 claims description 42
- 239000001257 hydrogen Substances 0.000 claims description 13
- 229910052739 hydrogen Inorganic materials 0.000 claims description 13
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 12
- 238000002834 transmittance Methods 0.000 claims description 11
- 230000005855 radiation Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 abstract description 21
- 238000004519 manufacturing process Methods 0.000 description 27
- 238000000034 method Methods 0.000 description 27
- 239000011521 glass Substances 0.000 description 18
- 239000012535 impurity Substances 0.000 description 17
- 229910052751 metal Inorganic materials 0.000 description 11
- 239000002184 metal Substances 0.000 description 11
- 230000008569 process Effects 0.000 description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 10
- 239000007789 gas Substances 0.000 description 8
- 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 6
- 229910052708 sodium Inorganic materials 0.000 description 6
- 239000011734 sodium Substances 0.000 description 6
- 229910052742 iron Inorganic materials 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 239000000377 silicon dioxide Substances 0.000 description 5
- 239000004071 soot Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 239000012707 chemical precursor Substances 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 239000000376 reactant Substances 0.000 description 4
- 239000011819 refractory material Substances 0.000 description 4
- 230000001052 transient effect Effects 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 3
- -1 for example Substances 0.000 description 3
- 230000007062 hydrolysis Effects 0.000 description 3
- 238000006460 hydrolysis reaction Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- HMMGMWAXVFQUOA-UHFFFAOYSA-N octamethylcyclotetrasiloxane Chemical compound C[Si]1(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O1 HMMGMWAXVFQUOA-UHFFFAOYSA-N 0.000 description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- 238000000137 annealing Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000005137 deposition process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 150000002367 halogens Chemical class 0.000 description 2
- 238000001459 lithography Methods 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 239000002210 silicon-based material Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- XMSXQFUHVRWGNA-UHFFFAOYSA-N Decamethylcyclopentasiloxane Chemical compound C[Si]1(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O1 XMSXQFUHVRWGNA-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000005816 glass manufacturing process Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- HTDJPCNNEPUOOQ-UHFFFAOYSA-N hexamethylcyclotrisiloxane Chemical compound C[Si]1(C)O[Si](C)(C)O[Si](C)(C)O1 HTDJPCNNEPUOOQ-UHFFFAOYSA-N 0.000 description 1
- UQEAIHBTYFGYIE-UHFFFAOYSA-N hexamethyldisiloxane Chemical compound C[Si](C)(C)O[Si](C)(C)C UQEAIHBTYFGYIE-UHFFFAOYSA-N 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000001393 microlithography Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 238000005268 plasma chemical vapour deposition Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 235000013599 spices Nutrition 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004227 thermal cracking Methods 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 238000001947 vapour-phase growth Methods 0.000 description 1
- 229910052726 zirconium Inorganic materials 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
- C03C3/06—Glass compositions containing silica with more than 90% silica by weight, e.g. quartz
-
- 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
- G02B6/10—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type
- G02B6/12—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings of the optical waveguide type of the integrated circuit kind
- G02B6/13—Integrated optical circuits characterised by the manufacturing method
-
- 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
- C03C2201/00—Glass compositions
- C03C2201/06—Doped silica-based glasses
- C03C2201/30—Doped silica-based glasses containing metals
- C03C2201/32—Doped silica-based glasses containing metals containing aluminium
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Glass Compositions (AREA)
- Glass Melting And Manufacturing (AREA)
Abstract
Description
a) 酸化による熱分解または火炎加水分解によってシリカに転化できる蒸気形態にあるケイ素含有化合物を含有するガス流を生成し、
b) ガス流中にアルミニウムを導入し、
c) ガス流を燃焼バーナの火炎に通過させて、アルミニウムを含有する溶融シリカの非晶質粒子を形成し、
d) 非晶質粒子を支持体上に堆積させ、
e) 非晶質粒子の堆積物を透明なガラス体に固結させる、
ことにより形成される。
14 バーナ
19 ブール
24 収集表面
26 炉室
100 炉
Claims (7)
- 190から300nmの波長範囲の紫外線による光学損傷に耐性のある溶融シリカガラス物品であって、少なくとも100ppbの量のアルミニウムおよび3×1017分子/cm3未満の水素を含有し、193nmの波長で99.75%/cm以上の最小内部透過率を有することを特徴とする溶融シリカガラス物品。
- 前記物品が、2×1017分子/cm3未満の水素を含有し、193nmの波長で99.80%/cm以上の最小内部透過率を有することを特徴とする請求項1記載の溶融シリカガラス物品。
- 前記物品が200から600ppbの量のアルミニウムを含有することを特徴とする請求項1または2記載の溶融シリカガラス物品。
- 前記物品が、200から400ppbのアルミニウムおよび3×1017分子/cm3未満の水素を含有することを特徴とする請求項3記載の溶融シリカガラス物品。
- 少なくとも0.97mJ/cm2/パルスのフルエンスを持つ193nmレーザを照射したときに、約0.0006/cm(底10)未満の吸収変化を示すことを特徴とする請求項1から4いずれか1項記載の溶融シリカガラス物品。
- 少なくとも0.97mJ/cm2/パルスのフルエンスを持つ193nmレーザを照射したときに、約0.0005/cm(底10)未満の吸収変化を示すことを特徴とする請求項5記載の溶融シリカガラス物品。
- 少なくとも0.97mJ/cm2/パルスのフルエンスを持つ193nmレーザを照射したときに、約0.0002/cm(底10)未満の吸収変化を示すことを特徴とする請求項5記載の溶融シリカガラス物品。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/034,971 US6630418B2 (en) | 2001-12-21 | 2001-12-21 | Fused silica containing aluminum |
US10/158,688 US6689706B2 (en) | 2001-12-21 | 2002-05-29 | Fused silica containing aluminum |
PCT/US2002/037718 WO2003057637A1 (en) | 2001-12-21 | 2002-11-25 | Fused silica containing aluminum |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2005514309A true JP2005514309A (ja) | 2005-05-19 |
JP2005514309A5 JP2005514309A5 (ja) | 2006-01-19 |
JP4323319B2 JP4323319B2 (ja) | 2009-09-02 |
Family
ID=26711616
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003557958A Expired - Fee Related JP4323319B2 (ja) | 2001-12-21 | 2002-11-25 | アルミニウムを含有する溶融シリカ |
JP2003562048A Pending JP2005515147A (ja) | 2001-12-21 | 2002-11-25 | アルミニウムを含有する溶融シリカ |
JP2003559942A Pending JP2005514317A (ja) | 2001-12-21 | 2002-12-19 | 屈折率均一性が改善された溶融シリカ |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003562048A Pending JP2005515147A (ja) | 2001-12-21 | 2002-11-25 | アルミニウムを含有する溶融シリカ |
JP2003559942A Pending JP2005514317A (ja) | 2001-12-21 | 2002-12-19 | 屈折率均一性が改善された溶融シリカ |
Country Status (7)
Country | Link |
---|---|
US (1) | US6946416B2 (ja) |
EP (3) | EP1456142B1 (ja) |
JP (3) | JP4323319B2 (ja) |
CN (3) | CN1604879A (ja) |
AU (1) | AU2002359872A1 (ja) |
DE (1) | DE60218736T2 (ja) |
WO (3) | WO2003062161A1 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7506521B2 (en) * | 2004-12-29 | 2009-03-24 | Corning Incorporated | High transmission synthetic silica glass and method of making same |
US7506522B2 (en) * | 2004-12-29 | 2009-03-24 | Corning Incorporated | High refractive index homogeneity fused silica glass and method of making same |
JP4316589B2 (ja) * | 2006-06-16 | 2009-08-19 | 東京電波株式会社 | 人工水晶部材およびその製造方法、ならびにそれを用いた光学素子 |
US9399000B2 (en) | 2006-06-20 | 2016-07-26 | Momentive Performance Materials, Inc. | Fused quartz tubing for pharmaceutical packaging |
US8261578B2 (en) * | 2007-10-31 | 2012-09-11 | Corning Incorporated | Hydrogen loading of near net shape optics |
WO2019143644A1 (en) | 2018-01-18 | 2019-07-25 | Corning Incorporated | LOW-LOSS WAVEGUIDES FORMED IN HIGH-TRANSMISSION GLASS USING Ag-Na ION EXCHANGE |
US10690858B2 (en) | 2018-02-28 | 2020-06-23 | Corning Incorporated | Evanescent optical couplers employing polymer-clad fibers and tapered ion-exchanged optical waveguides |
US10585242B1 (en) | 2018-09-28 | 2020-03-10 | Corning Research & Development Corporation | Channel waveguides with bend compensation for low-loss optical transmission |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2313327A1 (fr) | 1975-06-06 | 1976-12-31 | Quartz & Silice | Procede d'elaboration de verre de tres haute purete utilisable en particulier pour la fabrication de fibres optiques |
ATE116448T1 (de) | 1989-06-09 | 1995-01-15 | Heraeus Quarzglas | Optische teile und rohlinge aus synthetischem siliziumdioxidglas und verfahren zu ihrer herstellung. |
US5702495A (en) * | 1993-02-10 | 1997-12-30 | Nikon Corporation | Silica glass member for UV-lithography, method for silica glass production, and method for silica glass member production |
US5332702A (en) * | 1993-04-16 | 1994-07-26 | Corning Incorporated | Low sodium zircon refractory and fused silica process |
US6235669B1 (en) * | 1993-06-01 | 2001-05-22 | General Electric Company | Viscosity tailoring of fused silica |
JP3040315B2 (ja) * | 1994-08-03 | 2000-05-15 | 信越化学工業株式会社 | 高粘度合成石英ガラス部材およびその製造方法 |
US5707908A (en) * | 1995-01-06 | 1998-01-13 | Nikon Corporation | Silica glass |
US6205818B1 (en) * | 1996-07-26 | 2001-03-27 | Corning Incorporated | Production of fused silica having high resistance to optical damage |
JP3757476B2 (ja) | 1996-08-05 | 2006-03-22 | 株式会社ニコン | 石英ガラス光学部材、その製造方法、及び投影露光装置 |
US5958809A (en) * | 1996-08-21 | 1999-09-28 | Nikon Corporation | Fluorine-containing silica glass |
JPH10167735A (ja) | 1996-12-09 | 1998-06-23 | Nikon Corp | 合成石英ガラス製造装置 |
JP4350168B2 (ja) | 1997-03-07 | 2009-10-21 | コーニング インコーポレイテッド | チタニアドープ溶融シリカの製造方法 |
KR100554091B1 (ko) | 1997-12-08 | 2006-05-16 | 가부시키가이샤 니콘 | 엑시머레이저내성을향상시킨석영글래스의제조방법및석영글래스부재 |
JP3832113B2 (ja) * | 1998-12-01 | 2006-10-11 | 三菱化学株式会社 | アルミニウム含有合成石英ガラス粉、アルミニウム含有石英ガラス成形体及びこれらの製造方法 |
US6410192B1 (en) * | 1999-11-15 | 2002-06-25 | Corning Incorporated | Photolithography method, photolithography mask blanks, and method of making |
JP2001180962A (ja) * | 1999-12-24 | 2001-07-03 | Asahi Glass Co Ltd | 合成石英ガラスとその製造方法 |
EP1441992A1 (en) * | 2001-09-27 | 2004-08-04 | Corning Incorporated | Improved methods and furnaces for fused silica production |
US6630418B2 (en) * | 2001-12-21 | 2003-10-07 | Corning Incorporated | Fused silica containing aluminum |
-
2002
- 2002-11-25 EP EP02794007A patent/EP1456142B1/en not_active Expired - Lifetime
- 2002-11-25 CN CNA028253302A patent/CN1604879A/zh active Pending
- 2002-11-25 CN CNA028253299A patent/CN1604878A/zh active Pending
- 2002-11-25 JP JP2003557958A patent/JP4323319B2/ja not_active Expired - Fee Related
- 2002-11-25 DE DE60218736T patent/DE60218736T2/de not_active Expired - Fee Related
- 2002-11-25 WO PCT/US2002/037719 patent/WO2003062161A1/en active Application Filing
- 2002-11-25 EP EP02794008A patent/EP1456143A1/en not_active Withdrawn
- 2002-11-25 WO PCT/US2002/037718 patent/WO2003057637A1/en active IP Right Grant
- 2002-11-25 JP JP2003562048A patent/JP2005515147A/ja active Pending
- 2002-12-13 US US10/319,739 patent/US6946416B2/en not_active Expired - Fee Related
- 2002-12-19 WO PCT/US2002/041567 patent/WO2003059833A1/en active Application Filing
- 2002-12-19 CN CNA028253310A patent/CN1604880A/zh active Pending
- 2002-12-19 AU AU2002359872A patent/AU2002359872A1/en not_active Abandoned
- 2002-12-19 EP EP02794438A patent/EP1458651B1/en not_active Expired - Lifetime
- 2002-12-19 JP JP2003559942A patent/JP2005514317A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
WO2003059833A1 (en) | 2003-07-24 |
DE60218736D1 (de) | 2007-04-19 |
CN1604880A (zh) | 2005-04-06 |
EP1456142A1 (en) | 2004-09-15 |
EP1458651B1 (en) | 2009-10-21 |
AU2002359872A1 (en) | 2003-07-30 |
CN1604879A (zh) | 2005-04-06 |
EP1456142B1 (en) | 2007-03-07 |
JP4323319B2 (ja) | 2009-09-02 |
JP2005514317A (ja) | 2005-05-19 |
US20030139277A1 (en) | 2003-07-24 |
JP2005515147A (ja) | 2005-05-26 |
WO2003062161A1 (en) | 2003-07-31 |
DE60218736T2 (de) | 2007-11-15 |
EP1458651A1 (en) | 2004-09-22 |
WO2003057637A1 (en) | 2003-07-17 |
CN1604878A (zh) | 2005-04-06 |
EP1456143A1 (en) | 2004-09-15 |
US6946416B2 (en) | 2005-09-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US20040162211A1 (en) | Fused silica having high internal transmission and low birefringence | |
JPH04195101A (ja) | 欠陥濃度低減方法、紫外線透過用光学ガラスの製造方法及び紫外線透過用光学ガラス | |
JPH1192153A (ja) | 石英ガラスおよびその製造方法 | |
EP1204611A1 (en) | Synthetic quartz glass optical material and optical member for f 2? excimer lasers | |
JP4323319B2 (ja) | アルミニウムを含有する溶融シリカ | |
JPH0791084B2 (ja) | 耐紫外線用合成石英ガラスおよびその製造方法 | |
US6689706B2 (en) | Fused silica containing aluminum | |
JP3705501B2 (ja) | エキシマレーザ光学素材用合成石英ガラス部材の製造方法 | |
US6672111B2 (en) | Method and apparatus for adding metals to fused silica | |
JP3259460B2 (ja) | 耐紫外線性を有する石英ガラスの製造方法および石英ガラス光学部材 | |
JPH0881225A (ja) | 光透過用合成石英ガラス及びその製造方法 | |
US20030064877A1 (en) | Fused silica having high internal transmission and low birefringence | |
JP4228493B2 (ja) | 合成石英ガラス | |
JP2566151B2 (ja) | レーザー光学系母材の製造方法 | |
JP2000143259A (ja) | 合成石英ガラス光学部材とその製造方法 | |
TW200410914A (en) | Fused silica having improved index homogeneity |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20051122 |
|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20051122 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20081224 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20090324 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20090512 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20090604 |
|
R150 | Certificate of patent or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120612 Year of fee payment: 3 |
|
LAPS | Cancellation because of no payment of annual fees |