JPH06196233A - Connector for electronic component and multi-stage electronic component using it - Google Patents

Abstract

PURPOSE:To mount an electronic component without changing the design of the wiring of the external terminals of the electronic component by merely inserting a connecting means between the electronic component and a mounting board to freely change the array state when the array state of the external terminals of the electronic component is to be changed. CONSTITUTION:Multiple leads A1-A8 are led out of the lower section of a connector A in response to the array of external terminals D1-D8 of an electronic component D, and the leads A1-A8 are connected to the second wiring groups C1-C8 provided on the lower face of the connector A. The first wiring groups B and the second wiring groups C are kept in the noncontact state with each other, and wires B1-B8 and C1-C8 are electrically isolated from each other. The wiring groups B having a connection section 2b on the upper face of the connector main body A are provided. Wires Bn (n=1-8) of the wiring groups B and wires Cn (n=1-8) of the wiring groups C are connected with a connecting member 3. An optional wire of the wires B1-B8 and an optional wire of the wires C1-C8 can be selectively and electrically connected when the connection section 2b to be fitted with the connecting member 3 is merely changed.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connector for electronic parts having a plurality of external terminals such as transistors and ICs, and a multi-stage electronic part in which electronic parts are mounted on the connector. The present invention relates to a connector that can be mounted by selectively changing the arrangement order of external terminals of electronic components based on the wiring pattern of the mounting board.

[0002]

2. Description of the Related Art Conventionally, when mounting an electronic component having a plurality of external terminals such as transistors and ICs on a mounting board such as a printed circuit board or a flexible board, it is necessary to change the arrangement and / or the order of the external terminals. , The wiring layout of the mounting board has to be modified, or the arrangement and / or order of the external terminals of the electronic component has to be modified.

[0003]

As described above, when it is desired to change the arrangement and / or the arrangement order of the external terminals of the electronic component,
There is a disadvantage that there is no other means to separately use the one in which the design of the wiring of the mounting substrate or the external terminal of the electronic component is changed according to the change request. The present invention aims to solve such problems.

[0004]

SUMMARY OF THE INVENTION According to the present invention, an electronic component is provided in which two wiring groups each consisting of a plurality of wirings in non-contact state are provided in a non-contact state with each other, and one wiring group has a plurality of external terminals. By mounting and selectively connecting an arbitrary wiring of the wiring group to an arbitrary wiring of the other wiring group so that the arrangement and / or the arrangement order of the external terminals of the electronic component with respect to the mounting board can be freely changed. By doing so, the above object is achieved.

That is, the present invention is a connector for connecting an electronic component having a plurality of external terminals to a mounting board, wherein the plurality of external terminals are attachable to and detachable from each of the mounting portions. A first wiring group formed of a plurality of wirings corresponding to each other; a second wiring group formed of a plurality of wirings arranged in a non-contact state with the first wiring group; Connecting means for selectively connecting any wiring of the wiring group and any wiring of the second wiring group, and connection to each of the wirings of the second wiring group to the mounting board. The present invention relates to a connector having a lead to be mounted, and a multistage electronic component in which an external terminal of the electronic component is mounted on a mounting portion of the connector.

[0006]

According to the present invention, each wiring of the first wiring group and the second wiring
Since the connecting means capable of selectively connecting the respective wires of the wiring group of No. 1 is provided, the mounting portions connected to the respective wires of the first wiring group and the leads connected to the respective wires of the second wiring group. It is possible to arbitrarily set the combination of connection with and the like.

Therefore, when an electronic component having a plurality of external terminals is mounted on (mounted on) the mounting board via the connector of the present invention, each of the above-mentioned mounting parts is detachably mounted. The combination of the external terminals and the leads of the connector mounted on the mounting board can be arbitrarily set.

[0008]

Embodiments of the present invention will now be described with reference to the drawings by a DIP (Dual In-Line) having eight external terminals.
Although a detailed description will be given of a connector using a package type IC (electronic component) as an example, the present invention is not limited to this.

In the drawings, reference symbol A indicates a connector body, and reference symbol B indicates
Represents a first wiring group, C represents a second wiring group, and D represents an electronic component.

FIG. 1 is a perspective view showing the structure of a connector according to an embodiment of the present invention and electronic components mounted on the connector. The connector includes a connector body A having a substantially rectangular parallelepiped shape and a plurality of leads A1 to A8 drawn from the connector body A.
Composed of.

On the upper surface of the connector body A, a plurality of mounting portions 1 to which the external terminals D1 to D8 of the electronic component D are mounted are provided facing the arrangement of the external terminals D1 to D8 and spaced at regular intervals. , Each mounting portion 1 has each wiring B of the first wiring group B
1 to B8 (see FIG. 2). The mounting part 1
It is preferable that the external terminal of the electronic component is configured so that it can be attached thereto, and this is particularly useful as a socket for inspecting the electronic component.

From the lower part of the connector body A, the plurality of leads A1 to A8 are drawn out from the same position or an arbitrary position as the arrangement of the external terminals D1 to D8 of the electronic component,
The leads A1 to A8 are connected to the wirings C1 to C8 (not shown) of the second wiring group C provided on the lower surface or the lower layer of the connector body A.

The first wiring group B and the second wiring group C are not in contact with each other, and the wirings B1 to B8 and C1 to C8 forming the first wiring group B and the second wiring group C are They are electrically independent of each other.

FIG. 2 is a view for explaining the states of the first wiring group B and the second wiring group C, and is a drawing when viewed from the upper surface of the connector body A in which all but the wiring portion are omitted.
The wiring B1 is provided on the wirings C1 to C8 of the second wiring group C so as to be separated from each other in the vertical direction and intersect each other in a plan view. The same applies to each wiring of the first wiring group B other than the wiring B1. Wirings B1 to B8 of the first wiring group B
Each of the wirings C1 to C8 of the second wiring group C is provided with a plurality of connecting portions 2b and 2c as shown in FIG. Further, the connector body A is provided with a plurality of through holes extending from the connecting portion 2b to the connecting portion 2c.

The connector can be manufactured, for example, as follows.

A lead frame E having a shape as shown in FIG. 3 is formed by punching or etching a metal plate. The lead 4 of the lead frame E is integrally formed with a lead portion 4a corresponding to the lead A of the connector and a wiring portion 4c corresponding to the wirings C1 to C8 of the second wiring group C. Connection portions 2c are provided on the wiring portion 4c at predetermined intervals. The connecting portion 2c is three-dimensionally configured as shown in FIG. 4, for example.

Next, as shown in FIG. 5, for example, the wiring portion 4c
Is formed in the lower layer portion of the connector body A by resin sealing with, for example, an epoxy resin or the like to form the connector body A. In FIG. 5, the lead portion 4a is led out from the lower surface of the connector body A, but it may be led out from the side surface of the connector body A. A hole is provided from the upper surface of the connector body A to the connecting portion 2c. The connection portion 2c is, for example, the wiring portion 4c.
If a metal bump is provided at a predetermined position above and a hole c ′ is provided from the upper surface of the connector body A to the middle of the metal bump after the resin sealing, an opening having a receiving portion c as shown in FIG. 4 is formed. obtain.

On the upper surface of the connector body A, for example, as shown in FIG. 6, a first wiring group B having a connecting portion 2b which covers the periphery of the hole is provided by joining a flexible substrate having a copper wiring pattern formed thereon. In the above flexible substrate, the surface of the connecting portion 2b is provided so that the copper surface is exposed if necessary.

Next, as a means for connecting the wirings B1 to B8 of the first wiring group B and the wirings C1 to C8 of the second wiring group C, the connecting member 3 is provided in the hole connecting the connecting portions 2b and 2c. Are electrically connected by interposing. In this way, only the wirings B1 to B8 of the first wiring group and the wirings C1 to C8 of the second wiring group are selectively changed by changing the connection portion into which the connection member is inserted. Can be electrically connected. For example, in FIG. 2, if the wiring B2 is to be connected to the wiring C2, the connecting member 3 may be inserted at the position of the connecting portion X, and if the connecting member 3 is used for the connecting portion Y, the wiring B
2 will be connected to the wiring C7.

As the connecting member 3, the first wiring group B is used.
Is not particularly limited as long as it can electrically connect any one of the wirings B1 to B8 to any one of the wirings C1 to C8 of the second wiring group C. For example, a rod-shaped member such as a pin,
Examples include conductive adhesives, liquid members such as molten solder, and automatic reset type switch members. Among these, a rod-shaped member, a switch member, and the like, which can be easily attached and detached or whose connecting portion can be easily changed, are preferable. FIG. 4 shows an example of wiring connecting means when a pin is used for the connecting member 3. Here, the connection portion 2c provided on the wiring Cn of the second wiring group C is formed in a protruding shape having a concave portion into which a pin is inserted to obtain a good conductive state. Not limited to this, any shape may be used as long as the conductive state is maintained.

In the case of using the pin 3 as shown in FIG. 4, the diameter of the insertion portion 3b of the pin 3 is set to the connecting portions 2b and 2c.
When the diameter of the hole connecting the holes is made smaller and the flange portion 3a of the pin 3 is made larger than the diameter of the hole so that the flange portion 3a is held by the connecting portion 2b, and the receiving portion c is provided in the connecting portion 2c. Is suitable for automated assembly. Further, it is also desirable that the insertion portion 3b of the pin 3 is tapered toward the tip end portion. At this time, the connecting portion 2c may have a projecting shape as shown in the drawing, or may have a planar shape. When the connecting portion 2c is formed in a projecting shape, the diameter of the hole c'provided in the connecting portion 2c is set to the above-mentioned pin 3
If the diameter is substantially the same as the diameter of the distal end portion of the insertion portion 3b, a stable holding force can be obtained and conduction failure can be extremely reduced. Also,
The inserted pin 3 may be held by the main body of the electronic component mounted on the connector so as to press the flange portion 3a of the pin 3.

In this embodiment, the first wiring group B and the second wiring group C are provided on the same base (connector body A), but two first and second wiring groups are separately provided. The bases may be overlapped with each other to have the same configuration, and one or more wiring groups may be interposed between the first wiring group B and the second wiring group C. Further, these wiring groups may be provided on the surface of the base or may be provided in the base. When it is provided on the surface of the substrate, it may be covered with a protective film such as resin or glass.

Next, the wirings C1 to C8 of the second wiring group are
The leads A1 to A8 drawn from the connector body A are respectively connected. The lead is a printed circuit board,
It is connected to a mounting substrate such as a flexible substrate and may be a lead type or a surface mounting type. Moreover, a flexible cable type can also be used by using the above-mentioned lead as a lead wire.

In the connector of the present invention, if the lead arrangement is provided in the same manner as the external terminal arrangement of the electronic component to be mounted, it is not necessary to change the layout of the mounting board.

The connector of the present invention can be applied to electronic parts such as composite electronic parts, transistor arrays, diode arrays, resistor networks, hybrid ICs and monolithic ICs. Also, in the above embodiment, DI
An electronic component having a P-type external terminal has been taken as an example, but other than this, SIP (Single In-Line Packa)
ge) type, QFP (Q-at Package) type and the like.

[0026]

According to the present invention, when it is desired to change the arrangement state of the external terminals of the electronic component, the arrangement state can be freely changed only by interposing the connector of the present invention between the electronic component and the mounting board. Therefore, it is not necessary to change the design of the wiring of the external terminal of the electronic component according to the change request as in the conventional case, and the electronic component can be mounted as it is. Further, if the arrangement of the external terminals of the electronic component and the arrangement of the leads of the connector are the same, the electronic component and the mounting board can be used as they are without changing the design of the wiring of the mounting board.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of the present invention.

FIG. 2 is a diagram showing states of a first wiring group and a second wiring group.

FIG. 3 is an external view of a lead frame in which a second wiring group and leads are integrally formed.

FIG. 4 is a diagram showing a connecting means according to an embodiment of the present invention.

5 is a state diagram of the connector body and the lead frame of FIG.

FIG. 6 is a diagram showing an example of a wiring pattern of a first wiring group.

[Explanation of symbols]

 A connector main body A1 to A8 lead B first wiring group C second wiring group B1 to B8, C1 to C8 marked line D electronic component D1 to D8 external terminal 1 mounting portion 2 connecting portion 3 connecting member

Claims (2)

[Claims] 1. A connector for connecting an electronic component having a plurality of external terminals to a mounting board, wherein a plurality of mounting portions that can be attached to and detached from the plurality of external terminals, and a plurality of mounting portions that are respectively connected to the mounting portions. A first wiring group including a plurality of wirings, a second wiring group including a plurality of wirings arranged in a non-contact state with the first wiring group, and an arbitrary wiring of the first wiring group. It has a connecting means for selectively connecting to any wiring of the second wiring group, and a lead connected corresponding to each wiring of the second wiring group and mounted on the mounting substrate. A connector characterized by that. 2. A multi-stage electronic component in which an external terminal of the electronic component is mounted on the mounting portion of the connector according to claim 1.