JPH0242409U

JPH0242409U -

Info

Publication number: JPH0242409U
Application number: JP12243488U
Authority: JP
Priority date: 1988-09-19
Filing date: 1988-09-19
Publication date: 1990-03-23

Description

[Brief explanation of drawings]

第１図Ａは本考案の実施例を示す正面図、第１
図Ｂは同実施例の裏面図、第１図Ｃは同実施例の
右側面図、第１図Ｄは端子電極の詳細を示す拡大
斜視図である。第２図Ａは本考案の他の実施例を
示す平面図、第２図Ｂは同実施例のモールド構成
説明用断面図、第３図Ａ，Ｂは第１図Ａ〜Ｃに示
したコイル部品の製造方法の例を説明する平面図
である。第４図Ａ，Ｂは端子電極の形状の異なる
例を示す要部平面図、第５図Ａは本考案の更に他
の実施例を示す平面図、第５図Ｂは同実施例のモ
ールド構成説明用断面図、第５図Ｃは同実施例の
電気的な構成図、第６図Ａ，Ｂはそれぞれ従来の
表面実装用コイル部品の異なる例を示す斜視図で
ある。１，１′……絶縁ベース、１Ａ，１Ｂ……端子
電極形成用突出部、２，２′……コイルパターン
、２Ｃ……スルーホール導体、３Ａ〜３Ｆ……端
子電極、３ａ，３ｂ……主電極部、３ａ′，３ｂ
′……補助電極部、４……メツキ層部、５……コ
イル部品、５ａ〜５ｃ……単位コイル部品、６…
…コアー、７，７′……ケース、８，８′……モ
ールド部、Ｓ……半田流通スリツト。 FIG. 1A is a front view showing an embodiment of the present invention;
Figure B is a back view of the same embodiment, Figure 1C is a right side view of the same embodiment, and Figure 1D is an enlarged perspective view showing details of the terminal electrode. FIG. 2A is a plan view showing another embodiment of the present invention, FIG. 2B is a sectional view for explaining the mold structure of the same embodiment, and FIGS. 3A and B are the coils shown in FIGS. 1A to C. FIG. 3 is a plan view illustrating an example of a method for manufacturing parts. 4A and 4B are main part plan views showing examples of different shapes of terminal electrodes, FIG. 5A is a plan view showing still another embodiment of the present invention, and FIG. 5B is a mold configuration of the same embodiment. An explanatory cross-sectional view, FIG. 5C is an electrical configuration diagram of the same embodiment, and FIGS. 6A and 6B are perspective views showing different examples of conventional surface-mounting coil components. 1, 1'... Insulating base, 1A, 1B... Protrusion for forming terminal electrodes, 2, 2'... Coil pattern, 2C... Through-hole conductor, 3A to 3F... Terminal electrode, 3a, 3b... Main electrode part, 3a', 3b
'... Auxiliary electrode part, 4... Plating layer part, 5... Coil parts, 5a to 5c... Unit coil parts, 6...
... Core, 7, 7'... Case, 8, 8'... Mold section, S... Solder distribution slit.

Claims

[Claims for Utility Model Registration] (1) In a surface mounting coil component comprising a terminal electrode that is soldered to a connection electrode formed on a mounting base, an insulating base comprising a protrusion for forming a terminal electrode. and a coil pattern printed on the insulating base, and the terminal electrode is connected to the output part of the coil pattern and is formed of a conductive material so as to surround the protrusion part. Coil parts for surface mounting. (2) Coil patterns are formed on both the front and back sides of the insulating base, one end of the coil pattern on the front side extends to the protrusion for forming one terminal electrode, and one end of the coil pattern on the back side is used for forming the other terminal electrode. 2. The surface mounting coil component according to claim 1, wherein the coil pattern extends to the protruding portion, and the other ends of both coil patterns are connected to each other via a through-hole connection portion formed in the insulating base. (3) The terminal electrode includes a main electrode portion formed by extending the coil pattern on one surface of the protrusion, and a conductive material on the other surface of the protrusion where the main electrode portion is not formed. Claim (1) or (1) comprising: an auxiliary electrode portion formed by printing, and a plating layer portion formed so as to surround the main electrode portion and the auxiliary electrode portion.
Coil parts for surface mounting described in 2). (4) The surface mounting coil component according to claim (3), wherein the terminal electrode is provided with a solder flow slit that communicates both surfaces of the protrusion. (5) In a surface mount coil component comprising a terminal electrode soldered to a connection electrode formed on a mounting base, a plurality of laminated insulating bases, and printing on each of the plurality of insulating bases. a coil pattern formed therein, and of the plurality of insulating bases, at least the insulating base on which the output portion of the coil pattern is formed is made of a flexible material and includes a protrusion for forming a terminal electrode. A coil component for surface mounting, wherein the terminal electrode is connected to an output part of the coil pattern and is formed of a conductive material so as to surround the protrusion part. (6) The surface mounting coil component according to claim (1), (2) or (5), which is molded with insulating resin except for the terminal electrodes.