FR2461571A1 - Procede pour fabriquer un miroir leger, en particulier pour telescopes - Google Patents
Procede pour fabriquer un miroir leger, en particulier pour telescopes Download PDFInfo
- Publication number
- FR2461571A1 FR2461571A1 FR8016045A FR8016045A FR2461571A1 FR 2461571 A1 FR2461571 A1 FR 2461571A1 FR 8016045 A FR8016045 A FR 8016045A FR 8016045 A FR8016045 A FR 8016045A FR 2461571 A1 FR2461571 A1 FR 2461571A1
- Authority
- FR
- France
- Prior art keywords
- mirror
- plate
- supporting structure
- mirror plate
- assembly
- 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
- 238000000034 method Methods 0.000 title claims description 8
- 238000004519 manufacturing process Methods 0.000 title claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 14
- 230000004927 fusion Effects 0.000 claims abstract description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000010439 graphite Substances 0.000 claims abstract description 8
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 8
- 230000001413 cellular effect Effects 0.000 claims abstract description 3
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims abstract description 3
- 229910001928 zirconium oxide Inorganic materials 0.000 claims abstract description 3
- 238000003466 welding Methods 0.000 claims description 7
- 238000002844 melting Methods 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 abstract 1
- 239000002956 ash Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B23/00—Re-forming shaped glass
- C03B23/20—Uniting glass pieces by fusing without substantial reshaping
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/08—Mirrors
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S359/00—Optical: systems and elements
- Y10S359/90—Methods
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24149—Honeycomb-like
Landscapes
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Elements Other Than Lenses (AREA)
- Telescopes (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2929714A DE2929714C3 (de) | 1979-07-21 | 1979-07-21 | Verfahren zur Herstellung eines Leichtgewichtspiegels |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2461571A1 true FR2461571A1 (fr) | 1981-02-06 |
| FR2461571B1 FR2461571B1 (OSRAM) | 1983-05-27 |
Family
ID=6076477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8016045A Granted FR2461571A1 (fr) | 1979-07-21 | 1980-07-21 | Procede pour fabriquer un miroir leger, en particulier pour telescopes |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4331383A (OSRAM) |
| JP (1) | JPS5617302A (OSRAM) |
| DE (1) | DE2929714C3 (OSRAM) |
| FR (1) | FR2461571A1 (OSRAM) |
| GB (1) | GB2054897B (OSRAM) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3018785C2 (de) * | 1980-05-16 | 1982-04-15 | Heraeus Quarzschmelze Gmbh, 6450 Hanau | Leichtgewichtsspiegel, insbesondere für astronomische Zwecke und Verfahren zu seiner Herstellung |
| US4416262A (en) * | 1980-07-22 | 1983-11-22 | Niedermeyer William P | High ratio microwave energy concentrating collector |
| DE3116357C2 (de) * | 1981-04-24 | 1987-05-14 | Heraeus Quarzschmelze Gmbh, 6450 Hanau | Leichtgewichtsspiegelrohling für astronomische Zwecke und Verfahren zur Herstellung eines Stützgerüsts für derartige Rohlinge |
| US4416263A (en) * | 1981-12-10 | 1983-11-22 | Niedermeyer William P | High ratio solar energy linear type concentrating collector |
| AU572330B2 (en) * | 1984-04-06 | 1988-05-05 | Gec-Marconi Limited | Fabricating optical sensing devices |
| US4579448A (en) * | 1985-02-15 | 1986-04-01 | Xerox Corporation | Mirrors utilized in an optical scanning system |
| DE3510414A1 (de) * | 1985-03-22 | 1986-10-02 | Heraeus Quarzschmelze Gmbh, 6450 Hanau | Herstellung eines leichtgewichtspiegelrohlings mit stuetzgeruest |
| US4913953A (en) * | 1987-11-23 | 1990-04-03 | United Technologies Corporation | Integral chopped fiber reinforced glass or glass-ceramic structures |
| US4857093A (en) * | 1987-11-23 | 1989-08-15 | United Technologies Corporation | Method for producing integral chopped fiber reinforced glass or glass-ceramic structures |
| US4963217A (en) * | 1988-02-08 | 1990-10-16 | The Gerber Scientific Instrument Company | Method of making a planar work surface |
| DE69118512T2 (de) * | 1991-03-30 | 1996-09-05 | Shin Etsu Quartz Co Ltd | Basiskörper für einen reflektierenden Spiegel und Verfahren zu dessen Herstellung |
| US5316564A (en) * | 1991-04-23 | 1994-05-31 | Shin-Etsu Quartz Co., Ltd. | Method for preparing the base body of a reflecting mirror |
| JPH052102U (ja) * | 1991-06-26 | 1993-01-14 | 日本石英硝子株式会社 | 両面使用石英ガラス製軽量ミラー |
| US6463647B1 (en) | 1998-03-18 | 2002-10-15 | Corning Incorporated | Method of making an extruded high density assay plate |
| EP0947249A1 (en) * | 1998-03-18 | 1999-10-06 | Corning Incorporated | Extruded high density assay plate |
| US6045231A (en) * | 1999-08-09 | 2000-04-04 | Martineau; Phillip R. | Open core light-weight telescope mirror and method of manufacture |
| US20040136101A1 (en) * | 2002-12-31 | 2004-07-15 | Warren Peter A. | Open lattice mirror structure and method of manufacturing same |
| US7188964B2 (en) * | 2003-02-25 | 2007-03-13 | Xinetics, Inc. | Integrated actuator meniscus mirror |
| US7810940B2 (en) * | 2008-06-03 | 2010-10-12 | Areva Solar, Inc. | Adjustable table for shaping a mirror |
| US8291728B2 (en) * | 2009-02-27 | 2012-10-23 | Corning Incorporated | Method for the joining of low expansion glass |
| DE102013106612A1 (de) | 2013-06-25 | 2015-01-08 | Schott Ag | Werkzeugkrone und mit der Werkzeugkrone herstellbares Glaskeramik-Erzeugnis |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB968025A (en) * | 1959-12-05 | 1964-08-26 | Heraeus Schott Quarzschmelze | Improvements in optical mirrors |
| US3728186A (en) * | 1965-05-21 | 1973-04-17 | Heraeus Schott Quarzschmelze | Optical elements |
| US3754812A (en) * | 1971-03-04 | 1973-08-28 | Heraeus Schott Quarzschmelze | Lightweight optical elements with honeycomb support plate |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3467511A (en) * | 1963-11-01 | 1969-09-16 | Quartz & Silice Sa | Method of making light reflectors |
| DE1472126B1 (de) * | 1965-05-21 | 1969-09-04 | Heraeus Schott Quarzschmelze | Leichtgewichtspiegel |
| US3840417A (en) * | 1972-02-15 | 1974-10-08 | Gen Electric | Process for producing dimpled reflectors and refractors |
-
1979
- 1979-07-21 DE DE2929714A patent/DE2929714C3/de not_active Expired
-
1980
- 1980-04-15 JP JP4877880A patent/JPS5617302A/ja active Pending
- 1980-06-26 US US06/163,358 patent/US4331383A/en not_active Expired - Lifetime
- 1980-07-17 GB GB8023484A patent/GB2054897B/en not_active Expired
- 1980-07-21 FR FR8016045A patent/FR2461571A1/fr active Granted
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB968025A (en) * | 1959-12-05 | 1964-08-26 | Heraeus Schott Quarzschmelze | Improvements in optical mirrors |
| US3728186A (en) * | 1965-05-21 | 1973-04-17 | Heraeus Schott Quarzschmelze | Optical elements |
| US3754812A (en) * | 1971-03-04 | 1973-08-28 | Heraeus Schott Quarzschmelze | Lightweight optical elements with honeycomb support plate |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2929714A1 (de) | 1981-01-22 |
| FR2461571B1 (OSRAM) | 1983-05-27 |
| GB2054897A (en) | 1981-02-18 |
| DE2929714B2 (de) | 1981-05-14 |
| GB2054897B (en) | 1983-04-07 |
| US4331383A (en) | 1982-05-25 |
| JPS5617302A (en) | 1981-02-19 |
| DE2929714C3 (de) | 1982-02-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FR2461571A1 (fr) | Procede pour fabriquer un miroir leger, en particulier pour telescopes | |
| US5009689A (en) | Method of manufacturing a semiconductor device | |
| EP2571823B1 (fr) | Forme de bombage alveolaire | |
| WO1989005209A1 (fr) | Procede de soudage au moyen d'un faisceau laser, notamment applicable au soudage de pieces en verre | |
| EP0627389A2 (fr) | Polyèdres de verre et procédé de fabrication | |
| FR2597089A1 (fr) | Ensemble de moule annulaire pour former et tremper une feuille de verre | |
| FR2504689A1 (fr) | Ebauche de miroir leger pour l'astronomie et procede de production d'une ossature pour de telles ebauches | |
| EP0186529B1 (fr) | Cadre de soutien d'une feuille de verre pendant la trempe | |
| EP1025055B1 (fr) | Procede et dispositif de bombage et de trempe d'une vitre | |
| FR2673880A1 (fr) | Guide-chaine en trois parties pour scies a moteur a chaine. | |
| EP0032486A2 (fr) | Matelas | |
| EP0041522B1 (fr) | Moule pour realiser des elements profiles en matiere plastique | |
| FR2526535A1 (fr) | Plaque de blindage, notamment pour blindage allege | |
| FR2579331A1 (fr) | Procede de fabrication d'une ebauche de miroir leger a structure en nid d'abeilles | |
| WO1998031467A1 (fr) | Insert pour pieces d'usure composites, procede de fabrication d'une piece d'usure a l'aide de tels inserts et piece d'usure ainsi realisee | |
| WO2001053572A2 (fr) | Porte-creuset pour le tirage de monocristaux | |
| EP1945858A1 (fr) | Moule pour la soudure aluminothermique de rails de chemin de fer | |
| WO2020240128A1 (fr) | Procédé de fabrication additive d'une pièce comprenant une étape de fabrication d'un support mixte | |
| CH721381A1 (fr) | Procédé de fabrication d'un objet décoratif comprenant des composants en émail | |
| JPS5940443Y2 (ja) | ウエハ支持装置 | |
| FR2704479A1 (fr) | Plaques composites à fibres de carbonne dans une matrice de cuivre et leurs procédés de fabrication. | |
| FR2753192A1 (fr) | Assemblage de tuiles en ceramique juxtaposees sur une couche metallique, et son procede de fabrication | |
| FR2822490A1 (fr) | Procede de fabrication d'un monument funeraire et monument obtenu suivant ce procede | |
| FR3146613A1 (fr) | Procédé et dispositif de soudage d’une pièce en polymère thermoplastique sur une base contenant du polymère thermoplastique | |
| FR3118893A1 (fr) | Procédé de soudure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |