JPS624110U - - Google Patents
Info
- Publication number
- JPS624110U JPS624110U JP9513085U JP9513085U JPS624110U JP S624110 U JPS624110 U JP S624110U JP 9513085 U JP9513085 U JP 9513085U JP 9513085 U JP9513085 U JP 9513085U JP S624110 U JPS624110 U JP S624110U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic core
- laminated
- magnetic
- trimmer
- flange
- 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.)
- Granted
Links
- 230000005291 magnetic effect Effects 0.000 claims description 11
- 239000004020 conductor Substances 0.000 claims description 3
- 239000000696 magnetic material Substances 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000003990 capacitor Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000005294 ferromagnetic effect Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Landscapes
- Coils Or Transformers For Communication (AREA)
Description
第１図は、本考案による積層チツプ可変コイル
の原理を示す原理図である。第２図は、第１図の
ａ―ａ′線から見た場合の断面図である。第３図
は、第２図の磁心の各位置Ａ，Ｂ，Ｃに対応して
インダクタンスの変化を示すグラフ図である。第
４図は、第２図の磁心の各位置Ａ，Ｃに対応した
周波数選択特性を示すグラフ図である。第５図は
、本考案による積層チツプ可変コイルの斜視図で
ある。第６図〜第１２図は、従来技術による積層
コイル部分の製造工程を示す平面図である。第１
３図〜第１６図は、従来技術による積層コンデン
サ部分の製造工程を示す平面図である。第１７図
は、従来技術の積層コイル部分と積層コンデンサ
部分とを圧縮めする様子を示す斜視図である。第
１８図は、従来技術の焼成後の積層チツプ可変コ
イルの斜視図である。第１９図は、従来技術の積
層チツプ可変コイルの断面図である。第２０図は
、第１９図の等価回路図である。
図中の各番号が示す名称を下記に挙げる。なお
、同一番号は同一部位を示すものとする。１：磁
心、２：積層コイル部分、３：誘電体層、４：ト
リマー、５：内部電極、６：フランジ、７：外部
電極、８，１０，１２，１４，１６：強磁性体層
、９，１１，１３，１５：導体層、１７：穴、１
８，２０，２２：誘電体層、１９，２１：導体層
、２３，２４：外部端子、２５：磁気コア、２６
：積層コイル部分、２７：積層コンデンサ部分、
２８：クラツク防止層、２９：積層体、３０：貫
通孔、Ｓ：電極引出し部、Ｆ：電極引出し部、Ｃ
１：引出し部、Ｃ２：引出し部、ｂ：引出し部（
中点タツプ）。
FIG. 1 is a principle diagram showing the principle of a laminated chip variable coil according to the present invention. FIG. 2 is a cross-sectional view taken along line aa' in FIG. 1. FIG. 3 is a graph showing changes in inductance corresponding to positions A, B, and C of the magnetic core in FIG. 2. FIG. FIG. 4 is a graph showing frequency selection characteristics corresponding to each position A, C of the magnetic core in FIG. FIG. 5 is a perspective view of a laminated chip variable coil according to the present invention. 6 to 12 are plan views showing the manufacturing process of a laminated coil portion according to the prior art. 1st
3 to 16 are plan views showing the manufacturing process of a multilayer capacitor portion according to the prior art. FIG. 17 is a perspective view showing how the laminated coil portion and the laminated capacitor portion of the prior art are compressed. FIG. 18 is a perspective view of a conventional laminated chip variable coil after firing. FIG. 19 is a sectional view of a conventional laminated chip variable coil. FIG. 20 is an equivalent circuit diagram of FIG. 19. The names indicated by each number in the figure are listed below. Note that the same numbers indicate the same parts. 1: Magnetic core, 2: Laminated coil portion, 3: Dielectric layer, 4: Trimmer, 5: Internal electrode, 6: Flange, 7: External electrode, 8, 10, 12, 14, 16: Ferromagnetic layer, 9 , 11, 13, 15: conductor layer, 17: hole, 1
8, 20, 22: dielectric layer, 19, 21: conductor layer, 23, 24: external terminal, 25: magnetic core, 26
: Multilayer coil part, 27: Multilayer capacitor part,
28: crack prevention layer, 29: laminate, 30: through hole, S: electrode extension part, F: electrode extension part, C
1 : Drawer part, C 2 : Drawer part, b: Drawer part (
center point tap).
Claims (1)
層により構成される積層コイル部分と、 この積層コイル部分の少なくとも一箇所に形成
された誘電体層と、 磁性体層と誘電体層を貫通する貫通孔とを備え
る積層チツプ可変コイルであつて、 前記貫通孔内の磁気コア部材の移動によりイン
ダクタンスが調整できることを特徴とする積層チ
ツプ可変コイル。 (2) 前記磁気コア部材は、磁心とトリマーとフ
ランジを備え、トリマーとフランジは非磁性材料
で構成され、フランジに対するトリマーの回転に
より磁心が移動する実用新案登録請求の範囲第１
項記載の積層チツプ可変コイル。[Claims for Utility Model Registration] (1) A laminated coil portion constituted by a magnetic layer and a conductor layer formed on the magnetic layer, and a dielectric layer formed at at least one portion of the laminated coil portion. A laminated chip variable coil comprising a magnetic layer and a through hole penetrating the dielectric layer, wherein the inductance can be adjusted by moving a magnetic core member within the through hole. (2) The magnetic core member includes a magnetic core, a trimmer, and a flange, the trimmer and the flange are made of non-magnetic material, and the magnetic core is moved by rotation of the trimmer with respect to the flange.
Laminated chip variable coil as described in section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985095130U JPH0331061Y2 (en) | 1985-06-25 | 1985-06-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985095130U JPH0331061Y2 (en) | 1985-06-25 | 1985-06-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS624110U true JPS624110U (en) | 1987-01-12 |
| JPH0331061Y2 JPH0331061Y2 (en) | 1991-07-01 |
Family
ID=30654108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985095130U Expired JPH0331061Y2 (en) | 1985-06-25 | 1985-06-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0331061Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5751248A (en) * | 1980-08-21 | 1982-03-26 | Kobe Steel Ltd | Manufacture of aluminum plate for deep drawing |
-
1985
- 1985-06-25 JP JP1985095130U patent/JPH0331061Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5751248A (en) * | 1980-08-21 | 1982-03-26 | Kobe Steel Ltd | Manufacture of aluminum plate for deep drawing |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0331061Y2 (en) | 1991-07-01 |
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