BR8501247A - Processo para fabricacao de um produto de quartzo nao transparente natural,processo para produzir um corpo moldado de vidro de quartzo puro e processo para producao de cristais piezoeletricos - Google Patents
Processo para fabricacao de um produto de quartzo nao transparente natural,processo para produzir um corpo moldado de vidro de quartzo puro e processo para producao de cristais piezoeletricosInfo
- Publication number
- BR8501247A BR8501247A BR8501247A BR8501247A BR8501247A BR 8501247 A BR8501247 A BR 8501247A BR 8501247 A BR8501247 A BR 8501247A BR 8501247 A BR8501247 A BR 8501247A BR 8501247 A BR8501247 A BR 8501247A
- Authority
- BR
- Brazil
- Prior art keywords
- product
- manufacturing
- produce
- crystals
- piezoeletric
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B20/00—Processes specially adapted for the production of quartz or fused silica articles, not otherwise provided for
-
- 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
- C03B5/06—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture in pot furnaces
- C03B5/08—Glass-melting pots
-
- 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
- C03B5/12—Melting in furnaces; Furnaces so far as specially adapted for glass manufacture in shaft furnaces
-
- 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
- C03C1/00—Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels
- C03C1/02—Pretreated ingredients
- C03C1/022—Purification of silica sand or other minerals
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Glass Compositions (AREA)
- Glass Melting And Manufacturing (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19843410200 DE3410200A1 (de) | 1984-03-20 | 1984-03-20 | Verfahren zum herstellen eines zur erzeugung von reinem quarzglas geeigneten produktes, sowie verfahren zur erzeugung reinen quarzglases aus diesem produkt und verwendung dieses produktes fuer die zuechtung von piezokristallen |
Publications (1)
Publication Number | Publication Date |
---|---|
BR8501247A true BR8501247A (pt) | 1985-11-12 |
Family
ID=6231072
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR8501247A BR8501247A (pt) | 1984-03-20 | 1985-03-20 | Processo para fabricacao de um produto de quartzo nao transparente natural,processo para produzir um corpo moldado de vidro de quartzo puro e processo para producao de cristais piezoeletricos |
Country Status (7)
Country | Link |
---|---|
US (1) | US4626268A (pt) |
EP (1) | EP0158840B1 (pt) |
JP (1) | JPS60210543A (pt) |
AT (1) | ATE31054T1 (pt) |
BR (1) | BR8501247A (pt) |
DE (2) | DE3410200A1 (pt) |
WO (1) | WO1985004162A1 (pt) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5867238A (en) * | 1991-01-11 | 1999-02-02 | Minnesota Mining And Manufacturing Company | Polymer-dispersed liquid crystal device having an ultraviolet-polymerizable matrix and a variable optical transmission and a method for preparing same |
US6098810A (en) * | 1998-06-26 | 2000-08-08 | Pueblo Process, Llc | Flotation process for separating silica from feldspar to form a feed material for making glass |
DE102009032297A1 (de) * | 2009-07-09 | 2011-01-13 | Qsil Ag Quarzschmelze Ilmenau | Verfahren zur Herstellung eines hochreinen Quarz-Granulates |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3128169A (en) * | 1953-11-25 | 1964-04-07 | Heraeus Schott Quarzschmelze | Process for making quartz glass casings |
GB968673A (en) * | 1959-10-23 | 1964-09-02 | Thermal Syndicate Ltd | Improvements in the manufacture of translucent vitreous silica products |
FR1495831A (fr) * | 1966-10-04 | 1967-09-22 | Siemens Ag | Procédé pour la fabrication de corps de verre fritté |
US3843341A (en) * | 1972-03-02 | 1974-10-22 | Ppg Industries Inc | Method of making thermally stable and crush resistant microporous glass catalyst supports |
US3976535A (en) * | 1975-05-27 | 1976-08-24 | Bell Telephone Laboratories, Incorporated | Screening seeds for quartz growth |
JPS6059177B2 (ja) * | 1978-06-24 | 1985-12-24 | 日本電信電話株式会社 | 無水石英ガラスの製造方法 |
-
1984
- 1984-03-20 DE DE19843410200 patent/DE3410200A1/de not_active Withdrawn
-
1985
- 1985-03-15 DE DE8585103035T patent/DE3561052D1/de not_active Expired
- 1985-03-15 EP EP85103035A patent/EP0158840B1/de not_active Expired
- 1985-03-15 AT AT85103035T patent/ATE31054T1/de not_active IP Right Cessation
- 1985-03-15 WO PCT/DE1985/000085 patent/WO1985004162A1/de unknown
- 1985-03-20 BR BR8501247A patent/BR8501247A/pt not_active IP Right Cessation
- 1985-03-20 JP JP60056234A patent/JPS60210543A/ja active Pending
- 1985-03-20 US US06/713,788 patent/US4626268A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0158840A1 (de) | 1985-10-23 |
DE3561052D1 (en) | 1988-01-07 |
EP0158840B1 (de) | 1987-11-25 |
US4626268A (en) | 1986-12-02 |
ATE31054T1 (de) | 1987-12-15 |
WO1985004162A1 (en) | 1985-09-26 |
DE3410200A1 (de) | 1985-09-26 |
JPS60210543A (ja) | 1985-10-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Lapse due to non-payment of fees (art. 50) |