KR102220172B1 - Data signal transmission connector - Google Patents

Abstract

The present invention provides a data signal transmission connector capable of reducing the risk of damage from a load by distributing the load when the terminals of various electronic devices contact the data signal transmission connector. According to the present invention, the signal transmission connector capable of transmitting an electrical signal by connecting to an electronic device, comprises: a plurality of conductive parts which include an elastic insulating material including a plurality of conductive particles to be connectable to the terminals of an electronic device; and an insulating part made of an elastic insulating material and supporting the plurality of conductive parts to be spaced apart from each other. The conductive parts each include: a body portion disposed inside the insulation part; and a bottom bump connected to the body portion, and protruding downward of the insulation part. The plurality of conductive parts satisfy the following condition, where Lt: the length of the body portion+the bottom bump, Lb: the length of the bottom bump.

Description

Signal transmission connector {DATA SIGNAL TRANSMISSION CONNECTOR}

The present invention relates to a signal transmission connector, and more particularly, to a signal transmission connector used to transmit an electrical signal by connecting to an electronic device such as a semiconductor package.

Currently, various types of connectors for transmitting electrical signals are used in various fields such as the electronics industry or the semiconductor industry.

For example, a connector is used in a test process of a semiconductor device. The test of the semiconductor device is carried out to determine whether the manufactured semiconductor device is defective. In the test process, a predetermined test signal is sent from the test apparatus to the semiconductor device to determine whether the semiconductor device has a short circuit. Such a test apparatus and a semiconductor device are not directly connected to each other, but indirectly through a connector called a test socket.

Typical test sockets are so-called pogo sockets and rubber sockets. In the case of a pogo socket, a pogo pin, which is individually manufactured, is assembled in a housing. Except for special cases, short circuits and leakage between the pogo pin and the pogo pin are less likely to occur. However, the demand for rubber sockets is increasing in the semiconductor test process than for the pogo sockets due to package ball damage or an increase in unit cost, which is a problem in the pogo socket.

The rubber socket has a structure in which conductive parts in which conductive particles are dispersed in a material having elasticity such as silicone are insulated from each other inside an insulating part made of a material having elasticity such as silicon. Such a rubber socket has a property of exhibiting conductivity only in the thickness direction, and since no mechanical means such as soldering or a spring is used, it is excellent in durability and has the advantage of achieving simple electrical connection. In addition, since it can absorb mechanical impact or deformation, there is an advantage in that a smooth connection is possible with a semiconductor device or the like.

On the other hand, in recent years, the number of terminals of semiconductor devices is increasing. When the number of terminals of the semiconductor device increases, a higher pressure is required when pressing the semiconductor device to the rubber socket side in the test process of the semiconductor device.

As described above, if the load applied to the rubber socket increases due to contact with the semiconductor device during the testing process of the semiconductor device, the risk of damage to the semiconductor device and the rubber socket increases, and a problem of shortening the life of the rubber socket occurs.

Public Patent Publication No. 2006-0062824 (2006. 06. 12)

The present invention was devised in view of the above-described points, and an object of the present invention is to provide a signal transmission connector capable of reducing the risk of damage due to the load by distributing a load when the terminals of various electronic devices come into contact.

A signal transmission connector according to the present invention for solving the above-described object is a signal transmission connector capable of connecting to an electronic device and transmitting an electrical signal, in which a plurality of elastic insulating materials can be connected to the terminal of the electronic device. A plurality of conductive parts containing conductive particles; And an insulating part made of an elastic insulating material and supporting the plurality of conductive parts to be spaced apart from each other, wherein the conductive part includes a body part disposed inside the insulating part, and a lower side of the insulating part connected to the body part It has a bottom bump protruding to, and the plurality of conductive parts is characterized in that it satisfies the following conditions.

(Lt: body + bottom bump length, Lb: bottom bump length)

At least one of the plurality of conductive parts may have weaker hardness than other conductive parts.

Among the plurality of conductive portions, a conductive portion having a low hardness may include an elastic insulating material having a weaker hardness than an elastic insulating material of other conductive portions.

Among the plurality of conductive portions, those positioned at the edge portions of the insulating portions may have relatively weaker hardness than those positioned at the center portions of the insulating portions.

Among the plurality of conductive portions, those positioned at a relatively central portion of the insulating portion may have a relatively weaker hardness than those positioned at an edge portion of the insulating portion.

Among the plurality of conductive portions, a length of a bottom bump of a portion positioned at a relatively central portion of the insulating portion may be longer than a length of a bottom bump of a portion positioned at an edge portion of the insulating portion.

Among the plurality of conductive portions, a length of a bottom bump of a portion positioned at an edge portion of the insulating portion may be relatively longer than a length of a bottom bump of a portion positioned at a center portion of the insulating portion.

The signal transmission connector according to the present invention is designed so that a bottom bump protruding from the insulating part among the conductive parts supported by the insulating part can induce a minute movement of the signal transmission connector, so that when the electronic device is in contact, the electronic device is pressed. There is an effect of distributing the load according to it. That is, when the electronic device is in contact, the signal transmission connector may move finely due to the fine deformation of the bottom bump, so that the load according to the contact of the electronic device is distributed and the impact is buffered.

1 shows a signal transmission connector according to an embodiment of the present invention.
2 is a view showing an electronic device connected to a signal transmission connector according to an embodiment of the present invention.
3 is a graph showing a measurement result of a resistance change according to a bottom bump length of a signal transmission connector.
4 is a graph showing a result of measuring a load change according to a bottom bump length of a signal transmission connector.
5 shows a signal transmission connector according to another embodiment of the present invention.
6 illustrates an electronic device connected to a signal transmission connector according to another embodiment of the present invention.
7 shows a signal transmission connector according to another embodiment of the present invention.
8 is a diagram illustrating an electronic device connected to a signal transmission connector according to another embodiment of the present invention.

Hereinafter, a signal transmission connector according to the present invention will be described in detail with reference to the drawings.

1 shows a signal transmission connector according to an embodiment of the present invention, and FIG. 2 shows an electronic device connected to the signal transmission connector according to an embodiment of the present invention.

As shown in the drawing, the signal transmission connector 100 according to an embodiment of the present invention is capable of transmitting electrical signals by connecting to the electronic device 10, and can be connected to the terminal 11 of the electronic device 10. A plurality of conductive parts 110, an insulating part 120 for supporting the plurality of conductive parts 110 to be spaced apart from each other, and a support frame 130 that is combined with the insulating part 120 to support the insulating part 120 ).

Such a signal transmission connector 100 may be used to transmit an electrical signal by connecting to the electronic device 10 and transmitting an electrical signal, thereby inspecting an electronic device through a tester or by electrically connecting the electronic device and various electronic devices. have. Hereinafter, the signal transmission connector 100 according to an embodiment of the present invention is installed on the tester board 20 to perform a function of transmitting an electrical signal between the tester board 20 and the electronic device 10. For explanation.

The conductive part 110 may be formed in a form in which a plurality of conductive particles are arranged in the elastic insulating material in the thickness direction of the insulating part 120 so as to be connected to the terminal 11 of the electronic device 10. The conductive portions 110 are arranged to be spaced apart from the inside of the insulating portion 120 so as to correspond to the terminals 11 provided in the electronic device 10 to be connected. Some of the plurality of conductive parts 110 may be used as signal transmission conductive paths, and other parts may be used as ground conductive paths.

The elastic insulating material constituting the conductive part 110 is a heat-resistant polymer material having a crosslinked structure, for example, silicone rubber, polybutadiene rubber, natural rubber, polyisoprene rubber, styrene-butadiene copolymer rubber, and acrylic. Nitrile-butadiene copolymer rubber, styrene-butadiene-diene block copolymer rubber, styrene-isoprene block copolymer rubber, urethane rubber, polyester rubber, epichlorohydrin rubber, ethylene-propylene copolymer rubber, ethylene-propylene -Diene copolymer rubber, soft liquid epoxy rubber, etc. may be used.

In addition, as the conductive particles constituting the conductive part 110, those having magnetism so as to react by a magnetic field may be used. For example, as conductive particles, particles of metals exhibiting magnetism such as iron, nickel, cobalt, or alloy particles thereof, or particles containing these metals, or particles containing these metals, are used as core particles, and the surface of the core particles is gold , Silver, palladium, radium, etc. plated with good conductivity metal, or non-magnetic metal particles, inorganic particles such as glass beads, and polymer particles as core particles, and conductivity of nickel and cobalt on the surface of the core particles A magnetic material plated, or a core particle plated with a conductive magnetic material and a metal having good conductivity, may be used.

The conductive part 110 is connected to the body part 111 so as to be in contact with the body part 111 disposed in the insulation part 120 and the conductive pad (not shown) of the tester board 20. ) And a bottom bump 112 protruding to the lower side. The conductive part 110 has the following structural features.

Here, Lt is a length obtained by adding the body portion 111 and the bottom bump 112, and Lb is the length of the bottom bump 112.

As such, the conductive part 110 has a bottom bump 112 having a relatively long length compared to the conventional one. This characteristic of the conductive portion 110 may lead to an effect of distributing a load when the terminal 11 of the electronic device 10 contacts, thereby preventing damage to the electronic device 10.

The insulating part 120 may be made of an elastic insulating material. The insulating portion 120 surrounds the side portions of each of the plurality of conductive portions 110 and supports the plurality of conductive portions 110 so as to be spaced apart from each other. The elastic insulating material constituting the insulating part 120 may be made of the same material as the elastic insulating material constituting the conductive part 110.

The support frame 130 may be made of a variety of materials having rigidity enough to stably support the insulating portion 120 having elasticity and not be easily deformed, and maintain its shape stably. For example, the support frame 130 may be made of a material such as synthetic resin, metal, or ceramic. When the support frame 130 is made of metal, an insulating film may be coated on the surface of the support frame 130.

As described above, the signal transmission connector 100 according to an embodiment of the present invention includes a portion of the conductive portion 110 that the insulating portion 120 does not hold, that is, the bottom bump 112 protruding from the insulating portion 120. ) Is designed to induce a fine movement of the signal transmission connector 100, so that when the electronic device 10 comes into contact, it is possible to distribute a load due to the pressing of the electronic device 10. That is, the bottom bump 112 protruding from the insulating portion 120 has a relatively high degree of freedom because there is no portion held by the insulating portion 120. Therefore, if the length of the bottom bump 112 is designed to have an appropriate length, it is possible to induce a fine movement of the signal transmission connector 100 when the electronic device 10 is in contact. In addition, when the signal transmission connector 100 moves finely up, down, front, back, left and right when the electronic device 10 is in contact, a load according to the contact of the electronic device 10 is distributed and an impact is buffered.

The length of the bottom bump 112 may be appropriately determined according to the width or number of the conductive parts 110. If the length of the bottom bump 112 is too short, fine movement of the signal transmission connector 100 cannot be induced, and if the length of the bottom bump 112 is too long, there is a problem of poor durability. Accordingly, as described above, the length of the bottom bump 112 is preferably determined to satisfy the following condition.

When the ratio of the length Lb of the bottom bump 112 to the length Lt of the body 111 and the bottom bump 112 is less than 0.13, the signal transmission connector 100 cannot induce microscopic movements, so the load There is no dispersion effect.

On the other hand, when the ratio of the length Lb of the bottom bump 112 to the length Lt obtained by adding the body 111 and the bottom bump 112 exceeds 0.44, the durability of the signal transmission connector 100 decreases, There is a problem that the life of the product is shortened. The support frame 130 may be deformed according to the movement of the signal transmission connector 100 according to the contact of the electronic device 10. If the length Lb of the bottom bump 112 is too long, the signal transmission connector 100 ), the amount of deformation of the support frame 130 may be increased accordingly. Accordingly, when the length Lb of the bottom bump 112 is excessively large, the restoring force of the support frame 130 is remarkably decreased. Typically, since the support frame 130 is made of a material having rigidity such as metal or FR4 material, it is difficult to be permanently deformed and restored to its original shape when the degree of bending exceeds the elastic limit of the material. In addition, if the length Lb of the bottom bump 112 is too long, the bottom bump 112 is bent when the electronic device 10 is in contact with each other, and a short failure may occur.

In addition, when the ratio of the length Lb of the bottom bump 112 to the length Lt obtained by adding the body 111 and the bottom bump 112 exceeds 0.44, the load applied to the signal transmission connector 100 is It will be less than the test recommended load value. In this case, an over-stroke occurs during the test, so that the life of the signal transmission connector 100 may be drastically reduced.

3 shows the load by stroke of the signal transmission connector in which the length Lt of the body part 111 and the bottom bump 112 of the conductive part 110 is 0.78 mm, and the length of the bottom bump 112 is 0.05 mm. This is a graph showing the resistance value measured. Here, the stroke represents the distance that the terminal of the electronic device moves in contact with the conductive portion.

Referring to the graph of FIG. 3, it can be seen that the resistance value of the conductive part stably appears from 0.12 mm of the stroke (less than STD 10). However, in the actual test, a stroke of 0.18 ~ 0.24mm plus a certain value is set as the recommended use range in consideration of product-specific deviations and stability factors. This is a range that falls within about 20 to 40% of the total height of the signal transmission connector, and it does not provide a stable resistance value in the range below that, and it is not possible to provide a smooth test environment. Can be, and a problem occurs that the lifespan is rapidly reduced.

Tables 1 and 2 below show a signal transmission connector with a length (Lt) of 0.78 mm, plus a length (Lt) of the body part 111 of the conductive part 110 and the bottom bump 112, and a length of the bottom bump 112 of 0.05 mm. This is a table showing the measured load and resistance values for each stroke.

<Table 1>

<Table 2>

(MIN: minimum resistance value, MAX: maximum resistance value, AVG: average resistance value, STD: resistance standard deviation)

Referring to FIG. 3 and Tables 1 and 2 above, the surface load is 18.93 gf to 30.29 gf in the recommended use range (0.18 to 0.24 mm) of the stroke during the test.

Table 3 below shows the experimental results of measuring the load change by varying the bottom bump length of the signal transmission connector, and FIG. 4 is a graph thereof.

In this experimental example, the length of the body part and the bottom bump of the conductive part is 0.78 mm.

<Table 3>

As shown in Table 3 and the graph of FIG. 4, it can be seen that the longer the length Lb of the bottom bump, the lower the surface load when the electronic device contacts the signal transmission connector. In particular, the contact load of the signal transmission connector to which the features of the present invention are applied even in the range of 180 μm, 210 μm, and 240 μm of effective strokes that can be used in actual semiconductor test sites is reduced compared to the contact load of the signal transmission connector according to the prior art.

For example, under the same condition that the stroke is 240 μm, the load of the prior art with a length of the bottom bump of 0.05 mmm (ratio of the length of the bottom bump to the length of the body and the bottom bump: 0.064) is 30.29 gf. In the case of the present invention, the length of the bottom bump is 0.15mmm (ratio of the length of the bottom bump to the length of the body and the bottom bump: 0.192), the load was measured to be 26.86gf, which was significantly reduced compared to the prior art. In addition, in the case of the present invention in which the length of the bottom bump is 0.3mmm (the ratio of the length of the bottom bump to the length of the body and the bottom bump: 0.385), the load was 21.83gf, which was measured as a significantly reduced value compared to the prior art. .

On the other hand, when the length of the bottom bump is 0.4mmm (the ratio of the length of the bottom bump to the length of the body and the bottom bump: 0.513), the load value is 16.68gf, in the recommended range of use of the stroke (0.18 ~ 0.24mm). The load was measured to be lower than 18.93gf~30.29gf. In this way, the conductive part in which the length of the bottom bump exceeds 50% of the sum of the body part and the bottom bump is less than the recommended test load value, so over-stroke occurs during the test. There may be a problem that the life of the signal transmission connector 100 is drastically reduced.

Meanwhile, FIG. 5 illustrates a signal transmission connector according to another embodiment of the present invention, and FIG. 6 illustrates an electronic device connected to the signal transmission connector according to another embodiment of the present invention.

The signal transmission connector 200 according to another embodiment of the present invention shown in FIGS. 5 and 6 includes a plurality of conductive parts 210 that can be connected to the terminal 11 of the electronic device 10, and a plurality of conductive parts ( It includes an insulating portion 120 for supporting the 210 to be spaced apart from each other, and a support frame 130 that is coupled to the insulating portion 120 to support the insulating portion 120. Here, the insulating portion 120 and the support frame 130 are the same as described above.

The conductive part 210 may be formed in a form in which a plurality of conductive particles are arranged in the elastic insulating material in the thickness direction of the insulating part 120 so as to be connected to the terminal 11 of the electronic device 10. The conductive portions 210 are spaced apart from each other in the insulating portion 120 so as to correspond to the terminals 11 provided in the electronic device 10 to be connected. Some of the plurality of conductive parts 210 may be used as signal transmission conduction paths, and others may be used as ground conduction paths.

The conductive part 210 is connected to the body part 211 so as to be in contact with the body part 211 disposed in the insulation part 120 and the conductive pad of the tester board 20 to the lower side of the insulation part 120. It includes a bottom bump 212 protruding. The conductive part 210 has the following structural features.

Here, Lt is the length of the body part 211 and the bottom bump 212 added, and Lb is the length of the bottom bump 212.

At least one of the plurality of conductive parts 210 has a lower hardness than the other conductive parts 210. That is, among the plurality of conductive portions 210, those positioned at the edge portions of the insulating portions 120 relatively have weaker hardness than those positioned at the center portions of the insulating portions 120. More specifically, the plurality of conductive portions 210 may be disposed so that the hardness gradually decreases from the central portion of the insulating portion 120 to the edge portion of the insulating portion 120. The difference in hardness of the conductive part 210 may be implemented in a manner that makes the elastic insulating material constituting the conductive part 210 different. That is, among the plurality of conductive parts 210, the relatively located at the edge of the insulating part 120 is made of an elastic insulating material having a weaker hardness than the relatively located at the center part of the insulating part 120. It is possible to make a difference in hardness between the conductive parts 210.

The difference in hardness of the conductive part 210 is for stable connection with the electronic device 10 that is bent in a form in which the central part rises upward compared to the edge part, as shown in FIGS. 5 and 6. The electronic device 10, which is bent in a form in which the central portion rises upward compared to the edge portion, is pressed toward the signal transmission connector 200, so that the terminals 11 of the electronic device 10 are connected to the conductive portions of the signal transmission connector 200 ( When contacting 210), the conductive portion 210 having relatively weak hardness is pressed more than the conductive portion 210 having relatively strong hardness. Therefore, when the bent electronic device 10 contacts the signal transmission connector 200, the signal transmission connector 200 naturally bends according to the shape of the electronic device 10, so that the plurality of conductive portions 210 (11) can stably contact.

The electronic device 10 may have a curved shape in various other shapes other than the illustrated shape. Accordingly, the arrangement structure of the conductive parts 210 having relatively weak hardness among the plurality of conductive parts 210 may be variously changed. As another example, when testing the electronic device 10 in which the edge portion is bent upwards compared to the center portion, among the plurality of conductive portions 210 provided in the signal transmission connector 200, the insulating portion 120 is relatively ) Positioned at the center portion may have a relatively weaker hardness than positioned at the edge portion of the insulating portion 120. In addition, according to the curved shape of the electronic device 10, the signal transmission connector 200 may have various structures in which at least one of the plurality of conductive parts 210 has a hardness weaker than that of the other conductive parts 210.

Meanwhile, FIG. 7 shows a signal transmission connector according to another embodiment of the present invention, and FIG. 8 shows an electronic device connected to the signal transmission connector according to another embodiment of the present invention.

The signal transmission connector 300 according to another embodiment of the present invention shown in FIGS. 7 and 8 includes a plurality of conductive parts 310 and a plurality of conductive parts that can be connected to the terminal 11 of the electronic device 10. An insulating portion 120 for supporting the 310 to be spaced apart from each other, and a support frame 130 that is coupled to the insulating portion 120 to support the insulating portion 120. Here, the insulating portion 120 and the support frame 130 are the same as described above.

The conductive part 310 may be formed in a form in which a plurality of conductive particles are aligned in the thickness direction of the insulating part 120 in an elastic insulating material so as to be connected to the terminal 11 of the electronic device 10. The conductive portions 310 are spaced apart from the inside of the insulating portion 120 so as to correspond to the terminals 11 provided in the electronic device 10 to be connected. Some of the plurality of conductive parts 310 may be used as signal transmission conductive paths, and other parts may be used as ground conductive paths.

The conductive part 310 is connected to the body part 311 so as to be in contact with the body part 311 disposed in the insulation part 120 and the conductive pad of the tester board 20 to the lower side of the insulation part 120. It includes a bottom bump 312 protruding. Among the plurality of conductive portions 310, the length of the bottom bump 312 of the one positioned at the center of the insulating portion 120 is relatively the length of the bottom bump 312 of the one positioned at the edge portion of the insulating portion 120 Longer than In addition, the plurality of conductive parts 310 has the following structural characteristics.

Here, Lt is the length of the body part 311 and the bottom bump 312 added, and Lb is the length of the bottom bump 312.

The difference in length of the conductive portion 310 is for stable connection with the electronic device 10, which is bent in a form in which the central portion rises upward compared to the edge portion, as shown in FIGS. 7 and 8. The electronic device 10, which is bent in a form in which the central portion rises upward compared to the edge portion, is pressed toward the signal transmission connector 300, so that the terminals 11 of the electronic device 10 are conductive portions of the signal transmission connector 200 ( When contacting 310), the load is concentrated on the relatively long conductive portion 310, so that the relatively long conductive portion 310 is pressed more. Accordingly, when the bent electronic device 10 contacts the signal transmission connector 300, the signal transmission connector 300 naturally bends according to the shape of the electronic device 10, so that the plurality of conductive portions 310 are connected to the plurality of terminals ( 11) can stably contact.

The arrangement of the conductive portion 310 having a relatively long bottom bump 312 and the conductive portion 310 having a relatively short length of the bottom bump 312 may be variously changed according to the curved shape of the electronic device 10. I can. As another example, when testing the electronic device 10 in which the edge portion is bent upwards compared to the center portion, among the plurality of conductive portions 310 provided in the signal transmission connector 300, the relatively insulating portion 120 The length of the bottom bump 312 positioned at the edge portion of) may be longer than the length of the bottom bump 312 positioned at the center portion of the insulating portion 120. In addition, the length of each bottom bump 312 provided in the signal transmission connector 300 may be variously changed according to the curved shape of the electronic device 10.

The present invention has been described with a preferred example, but the scope of the present invention is not limited to the form described and illustrated above.

For example, in the drawings, the conductive part is shown to include a body part disposed inside the insulation part, and a bottom bump connected to the body part and protruding downward of the insulation part. It may include a protruding top bump.

In addition, although it was previously described that the hardness of the conductive part is changed by different types of the elastic insulating material, various other methods may be used as a method of changing the hardness of the conductive part.

Above, the present invention has been shown and described in connection with a preferred embodiment for illustrating the principle of the present invention, but the present invention is not limited to the configuration and operation as shown and described as such. Rather, it will be well understood by those skilled in the art that many changes and modifications may be made to the present invention without departing from the spirit and scope of the appended claims.

100, 200, 300: signal transmission connector 110, 210, 310: conductive part
111, 211, 311: body 112, 212, 312: bottom bump
120: insulation part 130: support frame

Claims (7)

A signal transmission connector capable of transmitting an electrical signal by connecting to an electronic device,
A plurality of conductive portions including a plurality of conductive particles in an elastic insulating material so as to be connected to a terminal of the electronic device; And
Includes; an insulating part made of an elastic insulating material and supporting the plurality of conductive parts to be spaced apart from each other,
The conductive portion includes a body portion disposed inside the insulating portion, and a bottom bump connected to the body portion and protruding downward of the insulating portion,
The plurality of conductive parts satisfy the following conditions,

(Lt: body + bottom bump length, Lb: bottom bump length)
At least one of the plurality of conductive portions includes an elastic insulating material having a hardness lower than that of the other conductive portions, and has a lower hardness than the other conductive portions.
delete delete A signal transmission connector capable of transmitting an electrical signal by connecting to an electronic device,
A plurality of conductive portions including a plurality of conductive particles in an elastic insulating material so as to be connected to a terminal of the electronic device; And
Includes; an insulating part made of an elastic insulating material and supporting the plurality of conductive parts to be spaced apart from each other,
The conductive portion includes a body portion disposed inside the insulating portion, and a bottom bump connected to the body portion and protruding downward of the insulating portion,
The plurality of conductive parts satisfy the following conditions,

(Lt: body + bottom bump length, Lb: bottom bump length)
At least one of the plurality of conductive parts has a lower hardness than the other conductive parts,
A signal transmission connector, characterized in that, among the plurality of conductive portions, those positioned at the edge portions of the insulating portions have relatively weaker hardness than those positioned at the center portions of the insulating portions.
A signal transmission connector capable of transmitting an electrical signal by connecting to an electronic device,
A plurality of conductive portions including a plurality of conductive particles in an elastic insulating material so as to be connected to a terminal of the electronic device; And
Includes; an insulating part made of an elastic insulating material and supporting the plurality of conductive parts to be spaced apart from each other,
The conductive portion includes a body portion disposed inside the insulating portion, and a bottom bump connected to the body portion and protruding downward of the insulating portion,
The plurality of conductive parts satisfy the following conditions,

(Lt: body + bottom bump length, Lb: bottom bump length)
At least one of the plurality of conductive parts has a lower hardness than the other conductive parts,
A signal transmission connector, characterized in that, among the plurality of conductive parts, those positioned at a relatively central portion of the insulating portion have relatively weaker hardness than those positioned at an edge portion of the insulating portion.
A signal transmission connector capable of transmitting an electrical signal by connecting to an electronic device,
A plurality of conductive portions including a plurality of conductive particles in an elastic insulating material so as to be connected to a terminal of the electronic device; And
Includes; an insulating part made of an elastic insulating material and supporting the plurality of conductive parts to be spaced apart from each other,
The conductive portion includes a body portion disposed inside the insulating portion, and a bottom bump connected to the body portion and protruding downward of the insulating portion,
The plurality of conductive parts satisfy the following conditions,

(Lt: body + bottom bump length, Lb: bottom bump length)
A signal transmission connector, wherein a bottom bump length of one of the plurality of conductive portions positioned at a relatively central portion of the insulating portion is relatively longer than a bottom bump length of a portion positioned at an edge portion of the insulating portion.
A signal transmission connector capable of transmitting an electrical signal by connecting to an electronic device,
A plurality of conductive portions including a plurality of conductive particles in an elastic insulating material so as to be connected to a terminal of the electronic device; And
Includes; an insulating part made of an elastic insulating material and supporting the plurality of conductive parts to be spaced apart from each other,
The conductive portion includes a body portion disposed inside the insulating portion, and a bottom bump connected to the body portion and protruding downward of the insulating portion,
The plurality of conductive parts satisfy the following conditions,

(Lt: body + bottom bump length, Lb: bottom bump length)
A signal transmission connector, wherein a length of a bottom bump of one of the plurality of conductive portions located at an edge portion of the insulating portion is relatively longer than a length of a bottom bump of a portion positioned at a center portion of the insulating portion.

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