GB1085250A - Improvements relating to a method of manufacturing dielectric materials - Google Patents
Improvements relating to a method of manufacturing dielectric materialsInfo
- Publication number
- GB1085250A GB1085250A GB5214864A GB5214864A GB1085250A GB 1085250 A GB1085250 A GB 1085250A GB 5214864 A GB5214864 A GB 5214864A GB 5214864 A GB5214864 A GB 5214864A GB 1085250 A GB1085250 A GB 1085250A
- Authority
- GB
- United Kingdom
- Prior art keywords
- tio2
- positive
- dielectric materials
- improvements relating
- mixture
- 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.)
- Expired
Links
- 239000003989 dielectric material Substances 0.000 title abstract 2
- 238000004519 manufacturing process Methods 0.000 title 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 abstract 7
- 239000000203 mixture Substances 0.000 abstract 3
- 238000010438 heat treatment Methods 0.000 abstract 2
- 239000004615 ingredient Substances 0.000 abstract 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract 1
- 229910052593 corundum Inorganic materials 0.000 abstract 1
- 239000011521 glass Substances 0.000 abstract 1
- 229910001845 yogo sapphire Inorganic materials 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
- H01G4/258—Temperature compensation means
-
- 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
- C03C10/00—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition
- C03C10/0054—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition containing PbO, SnO2, B2O3
-
- 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
- C03C3/12—Silica-free oxide glass compositions
- C03C3/14—Silica-free oxide glass compositions containing boron
- C03C3/145—Silica-free oxide glass compositions containing boron containing aluminium or beryllium
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/02—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances
- H01B3/08—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances quartz; glass; glass wool; slag wool; vitreous enamels
- H01B3/087—Chemical composition of glass
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
- H01G4/018—Dielectrics
- H01G4/06—Solid dielectrics
- H01G4/08—Inorganic dielectrics
- H01G4/12—Ceramic dielectrics
-
- 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
- C03C2204/00—Glasses, glazes or enamels with special properties
- C03C2204/04—Opaque glass, glaze or enamel
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Ceramic Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Inorganic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Glass Compositions (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Inorganic Insulating Materials (AREA)
Abstract
A dielectric material is manufactured by preparing a mixture consisting of TiO2 and ingredients of a glass having a positive dielectric constant temperature coefficient (T.C.); heating the mixture to produce a vitreous mass of positive T.C.; and heating this vitreous mass to 520-720 DEG C. until sufficient TiO2 has been deposited as rutile for the T.C. not to be positive within a desired temperature range. The mixture contains 5.2-12.4 mol. per cent TiO2, and the ingredients are B2O3, Al2O3, and one o more of PbO, CaO, SrO, and BaO.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR958786A FR1388866A (en) | 1963-12-30 | 1963-12-30 | Manufacturing process of materials for dielectric applications |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1085250A true GB1085250A (en) | 1967-09-27 |
Family
ID=8819897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB5214864A Expired GB1085250A (en) | 1963-12-30 | 1964-12-24 | Improvements relating to a method of manufacturing dielectric materials |
Country Status (6)
| Country | Link |
|---|---|
| AT (1) | AT265461B (en) |
| BE (1) | BE657666A (en) |
| CH (1) | CH471437A (en) |
| DE (1) | DE1496591C3 (en) |
| GB (1) | GB1085250A (en) |
| NL (1) | NL6415210A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4976765A (en) * | 1989-05-15 | 1990-12-11 | Corning Incorporated | Method of making glass-ceramic laser gyroscope frame |
| WO1991002363A1 (en) * | 1989-08-04 | 1991-02-21 | Ferro Corporation | Porous dielectric compositions |
| US5071794A (en) * | 1989-08-04 | 1991-12-10 | Ferro Corporation | Porous dielectric compositions |
-
1964
- 1964-12-23 DE DE19641496591 patent/DE1496591C3/en not_active Expired
- 1964-12-24 GB GB5214864A patent/GB1085250A/en not_active Expired
- 1964-12-24 CH CH1664064A patent/CH471437A/en not_active IP Right Cessation
- 1964-12-28 AT AT1096164A patent/AT265461B/en active
- 1964-12-28 BE BE657666A patent/BE657666A/xx unknown
- 1964-12-30 NL NL6415210A patent/NL6415210A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1496591B2 (en) | 1973-04-26 |
| NL6415210A (en) | 1965-07-01 |
| DE1496591C3 (en) | 1973-11-22 |
| DE1496591A1 (en) | 1969-07-03 |
| AT265461B (en) | 1968-10-10 |
| BE657666A (en) | 1965-06-28 |
| CH471437A (en) | 1969-04-15 |
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