JPS6054903B2 - Dielectric ceramic composition for high frequency - Google Patents
Dielectric ceramic composition for high frequencyInfo
- Publication number
- JPS6054903B2 JPS6054903B2 JP56160744A JP16074481A JPS6054903B2 JP S6054903 B2 JPS6054903 B2 JP S6054903B2 JP 56160744 A JP56160744 A JP 56160744A JP 16074481 A JP16074481 A JP 16074481A JP S6054903 B2 JPS6054903 B2 JP S6054903B2
- Authority
- JP
- Japan
- Prior art keywords
- high frequency
- dielectric ceramic
- ceramic composition
- dielectric
- 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
Landscapes
- Compositions Of Oxide Ceramics (AREA)
- Inorganic Insulating Materials (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Description
【発明の詳細な説明】
この発明は高周波用の誘電体磁器組成物に関するものて
ある。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a dielectric ceramic composition for high frequency use.
マイクロ波やミリ波などの高周波領域において、誘電体
磁器は誘電体共振器やＭＩＣ用誘電体基板などに広く利
用されている。In high frequency regions such as microwaves and millimeter waves, dielectric ceramics are widely used for dielectric resonators, dielectric substrates for MIC, and the like.
従来、この種の誘電体磁器としては、ＺｒＯ。Conventionally, ZrO has been used as this type of dielectric ceramic.
一ＳｎＯ。−ＴｉＯ。系材料、山。Ｔｉ、Ｏ。。、（Ｂ
ａ、Ｂｒ）（Ｚｒ、Ｔｉ）Ｏ。系材料、Ｂａ（Ｚｎ、Ｔ
ａ）Ｑ３系材料などが知られている。これらの材料はマ
イクロ波帯での誘電率（Ｅに）が２０〜４０、Ｑが４０
００〜８０００、共振周波数の温度係数（Ｔｆ）が０ｐ
μｍ／℃の特性を有する優秀な材料であるが、最近では
使用する周波数領域がさらに高くなつてきており、これ
に対応してさらに高いＱ値を有する材料が要求されてい
る。したがつて、この発明は高周波領域で従来にくらべ
て高いＱを有する誘電体磁器組成物を提供することを目
的とする。One SnO. -TiO. Materials, mountains. Ti, O. . , (B
a,Br)(Zr,Ti)O. based materials, Ba(Zn, T
a) Q3-based materials are known. These materials have a dielectric constant (E) of 20 to 40 and a Q of 40 in the microwave band.
00 to 8000, temperature coefficient (Tf) of resonance frequency is 0p
Although it is an excellent material with characteristics of μm/°C, recently, the frequency range used has become higher, and a material with an even higher Q value is required. Therefore, it is an object of the present invention to provide a dielectric ceramic composition that has a higher Q than conventional compositions in a high frequency region.
すなわち、この発明の要旨とするところは、一般式Ｂａ
（Ｚｎ、ＮｉｘＴａｙＮｂ２）Ｏ、’。That is, the gist of this invention is that the general formula Ba
(Zn, NixTayNb2)O,'.
−ａ、１２−３Ｘｌ、で表わされる組成において、０．
０３≦り≦０．３３、０．０３≦ｘ≦０．３３、０≦ｙ
≦０．７０、０≦ｚ≦０．７０（ただし、り＋ｘｆｙｆ
ｚ＝１）の範囲にあることを特徴とするものである。以
下、この発明を実施例に従つて詳細に説明する。-a, 12-3Xl, in the composition represented by 0.
03≦ri≦0.33, 0.03≦x≦0.33, 0≦y
≦0.70, 0≦z≦0.70 (however, ri+xfyf
It is characterized by being in the range of z=1). Hereinafter, this invention will be explained in detail according to examples.
高純度のＢａＣＯ３、ＮｉＯ、ＺｎＯ、Ｔａ２Ｏ５、Ｎ
ｂ２Ｏ５を用い、第１表に示す組成からなる磁器が得ら
れるように秤量し、秤量原料を２時間湿式混合した。High purity BaCO3, NiO, ZnO, Ta2O5, N
b2O5 was weighed so as to obtain porcelain having the composition shown in Table 1, and the weighed raw materials were wet mixed for 2 hours.
次いで１２０００Ｃで２時間仮焼を行い、さらにバイン
ダを加えて再び２時間湿式混合し、脱水、整粒を行つた
。得られた粉末を２０００に９／ｄの圧力て１２Ｔｆｇ
ｎφ＋ ６Ｔｆｎｔの寸法からなる円板に成形し、１４
５０℃、４時間の条件で焼成して磁器試料を得た。得ら
れた磁器試料について、周波数７ＧＨ２における誘電率
（ε）、Ｑおよび共振周波数の温度係数（Ｔｆ）を測定
し、その結果を第１表に示した。Next, calcination was performed at 12,000C for 2 hours, and a binder was added and wet-mixed again for 2 hours, followed by dehydration and sizing. The obtained powder was heated to 2000 9/d pressure to 12 Tfg.
Formed into a disc with dimensions of nφ + 6Tfnt, 14
A porcelain sample was obtained by firing at 50° C. for 4 hours. Regarding the obtained ceramic sample, the dielectric constant (ε), Q, and temperature coefficient (Tf) of the resonance frequency at a frequency of 7GH2 were measured, and the results are shown in Table 1.
第１表中※印はこの発明範囲外のものてあり、それ以外
はすべてこの発明範囲内のものてある。第１表
共振周波数の温度係数（τｆ）は＋２５℃〜＋８５゜Ｃ
の温度範囲で行い、次式にもとづいて求めた値である。Items marked with * in Table 1 are outside the scope of this invention, and all other items are within the scope of this invention. Table 1 Temperature coefficient (τf) of resonance frequency is +25°C to +85°C
This is the value obtained based on the following formula.
ここで、τε：誘電率（ε）の温度変化率 α：
磁器試料の線膨脹率
第１表から明らかなように、この発明にかかるものは、
高い誘電率を示すとともにγｆも良好であり、特にＱに
ついて最高１１０００もの値を示すものが得られており
、高周波領域において誘電体共振器やＭＩＣ用誘電体基
板などの用途に有用な高周波用の誘電体磁器を提供する
ことができる。Here, τε: Temperature change rate of permittivity (ε) α:
As is clear from Table 1 of linear expansion coefficients of porcelain samples, the present invention has the following properties:
It exhibits a high dielectric constant and a good γf, and in particular, a maximum value of 11,000 for Q has been obtained, making it a high-frequency product useful for applications such as dielectric resonators and dielectric substrates for MIC in the high-frequency region. Dielectric porcelain can be provided.
Claims (1)
Ｏ＿７／＿２＿−＿３＿ｖ／＿２＿−＿３＿ｘ／＿２で
表わされる組成において、０．０３≦ｖ≦０．３３、０
．０３≦ｘ≦０．３３、０≦ｙ≦０．７０、０≦ｚ≦０
．７０（ただしｖ＋ｘ＋ｙ＋ｚ＝１）の範囲にあること
を特徴とする高周波用誘電体磁器組成物。1 General formula Ba(Zn_vNi_xTa_yNb_z)
In the composition represented by O_7/_2_-_3_v/_2_-_3_x/_2, 0.03≦v≦0.33, 0
．． 03≦x≦0.33, 0≦y≦0.70, 0≦z≦0
．． 70 (however, v+x+y+z=1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56160744A JPS6054903B2 (en) | 1981-10-07 | 1981-10-07 | Dielectric ceramic composition for high frequency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56160744A JPS6054903B2 (en) | 1981-10-07 | 1981-10-07 | Dielectric ceramic composition for high frequency |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5860661A JPS5860661A (en) | 1983-04-11 |
| JPS6054903B2 true JPS6054903B2 (en) | 1985-12-02 |
Family
ID=15721511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56160744A Expired JPS6054903B2 (en) | 1981-10-07 | 1981-10-07 | Dielectric ceramic composition for high frequency |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6054903B2 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60130003A (en) * | 1983-12-16 | 1985-07-11 | 日本特殊陶業株式会社 | High frequency dielectric porcelain composition |
| JPS61122153A (en) * | 1984-11-19 | 1986-06-10 | 松下電器産業株式会社 | Dielectric ceramic composition |
| JPH067441B2 (en) * | 1984-11-27 | 1994-01-26 | 京セラ株式会社 | Dielectric porcelain composition |
| JPS6287453A (en) * | 1985-10-09 | 1987-04-21 | 株式会社村田製作所 | Dielectric ceramic composition for high frequency |
| JPS6287452A (en) * | 1985-10-11 | 1987-04-21 | 宇部興産株式会社 | Dielectric ceramic composition |
| JPH02164758A (en) * | 1988-12-16 | 1990-06-25 | Matsushita Electric Ind Co Ltd | Dielectric ceramic composition |
| US9376289B2 (en) | 2010-12-28 | 2016-06-28 | Otis Elevator Company | Elevator control system with sleep monitor |
-
1981
- 1981-10-07 JP JP56160744A patent/JPS6054903B2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5860661A (en) | 1983-04-11 |
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