DE965756C - Dielectric with constant frequency response of the loss angle - Google Patents
Dielectric with constant frequency response of the loss angleInfo
- Publication number
- DE965756C DE965756C DES10746D DES0010746D DE965756C DE 965756 C DE965756 C DE 965756C DE S10746 D DES10746 D DE S10746D DE S0010746 D DES0010746 D DE S0010746D DE 965756 C DE965756 C DE 965756C
- Authority
- DE
- Germany
- Prior art keywords
- dielectric
- loss angle
- frequency response
- constant frequency
- frequency
- 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 claims description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 4
- 239000003990 capacitor Substances 0.000 claims description 2
- 239000012671 ceramic insulating material Substances 0.000 claims description 2
- ZCUFMDLYAMJYST-UHFFFAOYSA-N thorium dioxide Chemical compound O=[Th]=O ZCUFMDLYAMJYST-UHFFFAOYSA-N 0.000 description 3
- 229910003452 thorium oxide Inorganic materials 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
Classifications
-
- 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
- H01B3/10—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of inorganic substances metallic oxides
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/51—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on compounds of actinides
-
- 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
- H01G4/20—Dielectrics using combinations of dielectrics from more than one of groups H01G4/02 - H01G4/06
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Plasma & Fusion (AREA)
- Physics & Mathematics (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Inorganic Insulating Materials (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Description
Die Erfindung bezieht sich auf ein frequenzunabhängiges Dielektrikum, das durch Kombination von zwei Dielektriken, deren, Verlustwinkel einen entgegengesetzten Frequenzgang aufweisen., gebildet ist. Derartige Dielektriken sind für den Bau von Kondensatoren, die in. Sch.wingungskreisen. und elektrischen Geräten Verwendung finden,, vorteilhaft geeignet.The invention relates to a frequency-independent dielectric, which by combination formed by two dielectrics, the loss angle of which has an opposite frequency response is. Such dielectrics are used in the construction of capacitors in. Sch.wingungskreisen. and electrical devices are used, advantageously suitable.
Es ist bereits ein Dielektrikum dieser Art vorgeschlagen worden, das aus einem rutilhaltigen keramischen Körper mit einer Glasurschicht aus dem System PbO-SiO2 besteht.A dielectric of this type has already been proposed, which consists of a rutile-containing ceramic body with a glaze layer made from the PbO-SiO 2 system.
Eine weitere Verbesserung eines Dielektrikums dieser Art mit konstantem Frequenzgang des Verlustwinkels, das aus der Kombination von zwei Dielektriken besteht, deren Verlustwinkel einen entgegengesetzten Frequenzgang aufweisen und von denen das eine Dielektrikum aus einem rutilhaltigen keramischen Isolierstoff, der einen mit steigender Frequenz fallenden Verlustwinkel aufweist, besteht, wird dadurch erzielt, daß erfindungsgemäß das andere Dielektrikum aus Thoriumoxyd besteht. Thoriumoxyd weist einen Verlustwinkel auf, der im Gegensatz zu allen übrigen keramischen Stoffen mit steigender Frequenz ansteigt. Außerdem ist der Verlustwinkel über den ganzen Frequenzbereich sehr gering.Another improvement of a dielectric of this type with constant frequency response of the loss angle, which consists of the combination of two dielectrics, the loss angle of which is one have opposite frequency response and one of which consists of a dielectric containing rutile ceramic insulating material, which has a loss angle that decreases with increasing frequency, is achieved in that, according to the invention, the other dielectric consists of thorium oxide. Thorium oxide has a loss angle that is in contrast to all other ceramic materials increases with increasing frequency. In addition, the loss angle is over the entire frequency range very low.
In der Figur ist ein. Ausführungsbeispiel der Erfindung dargestellt. Es handelt sich hier um eine Platte, die aus zwei Schichten besteht. Die Schicht ι wird aus einer rutilhaltigen Keramik gebildet und weist einen mit steigender Frequenz fallenden Verlustwinkel auf, während die Schicht 2 aus dichtgesintertem Thoriumoxyd besteht, dessen Verlustwinkel mit steigender Frequenz ansteigt. Es ist somit ein Dielektrikum mit konstantem Frequenzgang des Verlustwinkels geschaffen.In the figure is a. Embodiment of the invention shown. This is one Plate that consists of two layers. The layer ι is made of a rutile-containing ceramic and has a loss angle that decreases with increasing frequency while the layer 2 consists of densely sintered thorium oxide, its loss angle increases with increasing frequency. It is therefore a dielectric with a constant frequency response of the loss angle created.
Da ferner der Temperaturkoeffizient der Dielektrizitätskonstante vom Verlustwinkel abhängt, so daß steigende Verluste eine Änderung des Temperaturkoeffizienten in positiver Richtung zur Folge haben, wird durch die Herstellung eines Dielektrikums mit konstantem Frequenzgang des Verlustwinkels gleichzeitig erzielt, daß auch der Temperaturkoeffizient der Dielektrizitätskonstante unabhängig von der Frequenz ist.Furthermore, since the temperature coefficient of the dielectric constant depends on the loss angle, so that increasing losses cause a change in the temperature coefficient in the positive direction is made by making a dielectric with a constant frequency response of the loss angle simultaneously achieved that also the temperature coefficient the dielectric constant is independent of the frequency.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES10746D DE965756C (en) | 1942-10-01 | 1942-10-01 | Dielectric with constant frequency response of the loss angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DES10746D DE965756C (en) | 1942-10-01 | 1942-10-01 | Dielectric with constant frequency response of the loss angle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE965756C true DE965756C (en) | 1957-06-19 |
Family
ID=7473428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DES10746D Expired DE965756C (en) | 1942-10-01 | 1942-10-01 | Dielectric with constant frequency response of the loss angle |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE965756C (en) |
-
1942
- 1942-10-01 DE DES10746D patent/DE965756C/en not_active Expired
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