JP2004256384A5

JP2004256384A5 -

Info

Publication number: JP2004256384A5
Application number: JP2004014627A
Authority: JP
Filing date: 2004-01-22
Publication date: 2006-08-24

Description

４０質量％≦ 酸化ニオブ ≦７０質量％
３０質量％≦ 酸化銅 ≦６０質量％
前記副成分がＡの場合、さらに酸化チタン、酸化銀から選ばれた少なくとも一種類を含むことが好ましい。特に酸化チタンと酸化銀は、同時に含むことが望ましい。
40% by mass ≦ Niobium oxide ≦ 70% by mass
30 mass% ≤ copper oxide ≤ 60 mass%
Wherein when subcomponent is A, then further titanium oxide preferably contains at least one member selected et or silver oxide. In particular, it is desirable that titanium oxide and silver oxide are simultaneously contained.

また、前記副成分を構成する酸化ニオブ、酸化銅、酸化チタン、酸化銀の比率が、副成分合計量全体を１００質量％とした時に、それぞれ下記の範囲であることが好ましい。
Further, the ratio of niobium oxide, copper oxide, titanium oxide, and silver oxide constituting the subcomponents is preferably in the following range, when the total amount of the subcomponents is 100% by mass.

３０質量％≦ 酸化ニオブ ≦７０質量％
１０質量％≦ 酸化銅 ≦６０質量％
０質量％≦ 酸化チタン ≦３０質量％
０質量％≦ 酸化銀 ≦３０質量％
また、酸化アルミニウムを主成分として含み、副成分として少なくとも酸化銅と酸化チタンと酸化銀を含む酸化物セラミックス材料の場合は、前記副成分を構成する酸化銅、酸化チタン、酸化銀の比率が、副成分合計量全体を１００質量％とした時に、それぞれ下記の範囲であることが好ましい。 30% by mass ≦ Niobium oxide ≦ 70% by mass
10 mass% ≤ copper oxide ≤ 60 mass%
0 mass% ≤ titanium oxide ≤ 30 mass%
0% by mass ≦ Silver oxide ≦ 30 % by mass
In addition, in the case of an oxide ceramic material containing aluminum oxide as a main component and at least copper oxide, titanium oxide, and silver oxide as subcomponents, the ratio of copper oxide, titanium oxide, and silver oxide constituting the subcomponent is as follows: When the total amount of the subcomponents is 100% by mass, the respective ranges are preferably in the following ranges.

Claims

An oxide ceramic material containing aluminum oxide as a main component and at least one selected from the following A and B as a subcomponent.
A. Niobium oxide and copper oxide Copper oxide, titanium oxide and silver oxide

The content of the main component in the whole oxide is 80% by mass or more and 98% by mass or less;
When the remaining component is only the subcomponent, the subcomponent is 2% by mass or more and 20% by mass or less,
2. The oxide ceramic material according to claim 1, wherein when another third component is contained in addition to the subcomponent, the total of the subcomponent and the third component is 2% by mass or more and 20% by mass or less.

2. The oxide ceramic material according to claim 1, wherein when the subcomponent is A, the ratio of niobium oxide and copper oxide is in the following ranges, respectively, when the total amount of the subcomponents is 100% by mass. 3.
40% by mass ≦ Niobium oxide ≦ 70% by mass
30 mass% ≤ copper oxide ≤ 60 mass%

Wherein when subcomponent is A, then further oxidized titanium oxide ceramic material according to claim 1 comprising at least one selected et or silver oxide.

The oxide ceramic material according to claim 4, wherein the ratio of niobium oxide, copper oxide, titanium oxide, and silver oxide is in the following ranges, respectively, when the total amount of the subcomponents is 100% by mass.
30% by mass ≦ Niobium oxide ≦ 70% by mass
10 mass% ≤ copper oxide ≤ 60 mass%
0 mass% ≤ titanium oxide ≤ 30 mass%
0% by mass ≦ Silver oxide ≦ 30 % by mass

The ratio of copper oxide, titanium oxide, and silver oxide constituting the sub-component when the sub-component is B is in the following range, respectively, when the total amount of the sub-components is 100% by mass. Oxide ceramic materials.
10 mass% ≤ copper oxide ≤ 90 mass%
5 mass% ≤ titanium oxide ≤ 60 mass%
5% by mass ≦ Silver oxide ≦ 40% by mass

2. The oxide ceramic material according to claim 1, further comprising 0.1 to 2.0 mass% of manganese oxide, when the whole oxide is 100 mass%. 3.

The oxide ceramic material according to claim 1, wherein the oxide ceramic material is sintered at a relative density of 90% or more.

The oxide ceramic material according to claim 1, wherein the thermal conductivity of the oxide ceramic material is 5 W / m · k or more.

The oxide ceramic material according to claim 1, wherein the thermal conductivity of the oxide ceramic material is 10 W / mk or more.

2. The oxide ceramic material according to claim 1, wherein a dielectric loss at 1 MHz of the oxide ceramic material is 0.05 or less.

The oxide ceramic material according to claim 1, wherein the dielectric loss of the oxide ceramic material at 1 MHz is 0.01 or less.

2. The oxide ceramic material according to claim 1, wherein the oxide ceramic material is a mixture of metal or metal oxide material particles, molded, and fired at a temperature of 950 ° C. or less.

2. The oxide ceramic material according to claim 1, wherein the oxide ceramic material is obtained by mixing a metal or metal oxide material particles, calcining and pulverizing, then molding and firing at a temperature of 950 ° C. or lower. .

An insulating layer made of an oxide ceramic material containing aluminum oxide as a main component and at least one selected from the following A and B as subcomponents,
A. Niobium oxide and copper oxide A ceramic substrate having a conductor containing copper oxide, titanium oxide and silver oxide as main components at least in its inner layer.

An insulating layer made of an oxide ceramic material containing aluminum oxide as a main component and at least one selected from the following A and B as subcomponents,
A. Niobium oxide and copper oxide A multilayer ceramic device comprising at least an inner layer of a conductor mainly composed of copper oxide, titanium oxide and silver oxide.

An insulating layer made of an oxide ceramic material containing aluminum oxide as a main component and at least one selected from the following A and B as subcomponents,
A. Niobium oxide and copper oxide A power amplifier module in which a power amplifier element is mounted on a ceramic substrate or a multilayer ceramic device having at least an inner layer of a conductor mainly composed of copper oxide, titanium oxide, and silver oxide.