FR2499964A1 - Procede permettant de reduire les striures dans la silice fondue - Google Patents
Procede permettant de reduire les striures dans la silice fondue Download PDFInfo
- Publication number
- FR2499964A1 FR2499964A1 FR8202751A FR8202751A FR2499964A1 FR 2499964 A1 FR2499964 A1 FR 2499964A1 FR 8202751 A FR8202751 A FR 8202751A FR 8202751 A FR8202751 A FR 8202751A FR 2499964 A1 FR2499964 A1 FR 2499964A1
- Authority
- FR
- France
- Prior art keywords
- crucible
- silica
- gas
- process according
- hydrogen
- 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
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 121
- 238000000034 method Methods 0.000 title claims description 37
- 239000005350 fused silica glass Substances 0.000 title claims description 28
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 41
- 239000007789 gas Substances 0.000 claims abstract description 38
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical class [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 29
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims abstract description 28
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 25
- 239000001257 hydrogen Substances 0.000 claims abstract description 25
- 238000010438 heat treatment Methods 0.000 claims abstract description 23
- 229910052786 argon Inorganic materials 0.000 claims abstract description 14
- 239000001307 helium Substances 0.000 claims abstract description 11
- 229910052734 helium Inorganic materials 0.000 claims abstract description 11
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000007788 liquid Substances 0.000 claims abstract description 7
- 239000000203 mixture Substances 0.000 claims abstract description 6
- 229910052754 neon Inorganic materials 0.000 claims abstract description 4
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052743 krypton Inorganic materials 0.000 claims abstract description 3
- DNNSSWSSYDEUBZ-UHFFFAOYSA-N krypton atom Chemical compound [Kr] DNNSSWSSYDEUBZ-UHFFFAOYSA-N 0.000 claims abstract description 3
- 229910052724 xenon Inorganic materials 0.000 claims abstract 2
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 claims abstract 2
- 229910052756 noble gas Inorganic materials 0.000 claims description 14
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical group [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 10
- 229910052750 molybdenum Inorganic materials 0.000 claims description 10
- 239000011733 molybdenum Substances 0.000 claims description 10
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical group [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 8
- 229910052721 tungsten Inorganic materials 0.000 claims description 8
- 239000010937 tungsten Substances 0.000 claims description 8
- 239000004576 sand Substances 0.000 claims description 7
- 241001674048 Phthiraptera Species 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 26
- 229910052757 nitrogen Inorganic materials 0.000 description 13
- 239000010453 quartz Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 239000012159 carrier gas Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 150000002835 noble gases Chemical class 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 108090000623 proteins and genes Proteins 0.000 description 2
- 239000006004 Quartz sand Substances 0.000 description 1
- 101000916532 Rattus norvegicus Zinc finger and BTB domain-containing protein 38 Proteins 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- PDEXVOWZLSWEJB-UHFFFAOYSA-N krypton xenon Chemical compound [Kr].[Xe] PDEXVOWZLSWEJB-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012768 molten material Substances 0.000 description 1
- MGRWKWACZDFZJT-UHFFFAOYSA-N molybdenum tungsten Chemical compound [Mo].[W] MGRWKWACZDFZJT-UHFFFAOYSA-N 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 239000003870 refractory metal Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
- C03B17/04—Forming tubes or rods by drawing from stationary or rotating tools or from forming nozzles
-
- 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
- C03B5/033—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture in electric furnaces, e.g. by dielectric heating by using resistance heaters above or in the glass bath, i.e. by indirect resistance heating
- C03B5/0336—Shaft furnaces
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Glass Melting And Manufacturing (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US23582981A | 1981-02-19 | 1981-02-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2499964A1 true FR2499964A1 (fr) | 1982-08-20 |
| FR2499964B3 FR2499964B3 (OSRAM) | 1983-12-30 |
Family
ID=22887078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8202751A Granted FR2499964A1 (fr) | 1981-02-19 | 1982-02-19 | Procede permettant de reduire les striures dans la silice fondue |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE3204950A1 (OSRAM) |
| FR (1) | FR2499964A1 (OSRAM) |
| GB (1) | GB2093817B (OSRAM) |
| NL (1) | NL8200639A (OSRAM) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI276611B (en) * | 2000-08-17 | 2007-03-21 | Hoya Corp | Process for producing glass and glass-melting apparatus thereof |
| CN103121788A (zh) * | 2011-11-21 | 2013-05-29 | 袁晶 | 连熔打砣炉 |
| CN103011552A (zh) * | 2013-01-05 | 2013-04-03 | 连云港福东天佑照明电器有限公司 | 一种石英棒连熔炉 |
| CN110156301B (zh) * | 2019-06-21 | 2023-10-20 | 连云港福东正佑照明电器有限公司 | 一种石英管生产用连熔装置及生产方法 |
-
1982
- 1982-02-12 DE DE19823204950 patent/DE3204950A1/de not_active Withdrawn
- 1982-02-18 NL NL8200639A patent/NL8200639A/nl not_active Application Discontinuation
- 1982-02-19 GB GB8205030A patent/GB2093817B/en not_active Expired
- 1982-02-19 FR FR8202751A patent/FR2499964A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE3204950A1 (de) | 1982-08-19 |
| GB2093817A (en) | 1982-09-08 |
| NL8200639A (nl) | 1982-09-16 |
| FR2499964B3 (OSRAM) | 1983-12-30 |
| GB2093817B (en) | 1985-03-13 |
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