TWI396339B - Connector - Google Patents

Description

Connector

The present invention relates to a connector, and more particularly to a connector that reduces crosstalk.

In order to increase the reliability of the electronic system, the electronic module is usually connected to each other by means of a connector to form an electronic system. This approach helps to increase the yield of the entire electronic system and facilitates subsequent maintenance or upgrades and updates of the electronic system.

A connector (Connector) for connecting an IC package module to a circuit board (PCB) is also called a socket. In general, the use of sockets can be divided into three categories: (1) as a "burn-in" test for IC packages; (2) as a test circuit for IC packages; (3) ) As the "socket" of the IC packaging terminal "Production".

Taking a socket as an IC package terminal product as an example, a socket for an IC package is generally used for transmitting a high-speed digital signal, and as the amount of digital signals transmitted is increasing, the high-speed transmission quality of the socket is also required. strict. With the trend of the miniaturization of electronic components, the setting distances of the signal terminals in the socket of the IC package are closer, and the distance of the signal terminals is too close, so that the noise interference of each signal path is more serious. Affect the integrity of high-speed signal transmission. In order to improve the performance of the increasingly miniaturized IC package terminal products and the transmission capability of the connector, the suppression of "crosstalk" (Crosstalk) is necessary.

The present invention provides a connector that can reduce crosstalk.

The present invention provides a connector electrically connected between an electronic component and a circuit board. The connector includes an insulative housing, an array of conductive terminals, and a plurality of shielding conductor sheets. The insulative housing is disposed on the circuit board and has a first surface that is relatively far from the circuit board and a second surface that is adjacent to the circuit board. The conductive terminal array is disposed on the insulative housing, and the conductive terminal array has a plurality of conductive terminals, wherein each of the conductive terminals has a first end, a second end, and a signal conducting portion connected between the first end and the second end The first ends protrude from the first surface, and the second ends protrude from the second surface and are in contact with the plurality of contacts of the circuit board, and the signal conducting portions are axially parallel to each other and at an angle to the first surface. The shielding conductor pieces are correspondingly inserted into the array of conductive terminals, wherein each shielding conductor piece has a body and a honeycomb opening, and the normal direction of the shielding conductor piece is perpendicular to the axial direction of the signal conducting portion.

In an embodiment of the connector of the present invention, the signal conducting portion of the conductive terminal is columnar.

In an embodiment of the connector of the present invention, the signal conducting portion of the conductive terminal is formed by connecting a plurality of conductive beads in series.

In an embodiment of the connector of the present invention, the angles described above range from 45 degrees to 90 degrees.

In an embodiment of the connector of the present invention, the honeycomb opening has a plurality of openings, and the openings are evenly distributed on the body. Furthermore, these openings can be located at the edge of the body.

In an embodiment of the connector of the present invention, a conductor frame disposed on the insulative housing has a plurality of through holes, and the conductive terminals of the electronic component are adapted to pass through the through holes for conducting The first end of the terminal is in contact. The insulating body may have elasticity, and when the electronic component applies a positive force to the first end, the insulating body is deformed by force, and the conductive terminal of the electronic component rubs against the first end. In addition, the conductor frame further has a plurality of ground ends protruding from the plurality of through holes, and the ground end is in contact with the ground conductive terminals of the electronic components simultaneously disposed in the same through holes.

Based on the above, in the connector of the present invention, the shielding conductor piece is obliquely disposed in the insulating body to separate the conductive terminals of two adjacent rows (or columns), thereby reducing crosstalk and improving signal transmission. Integrity.

The above described features and advantages of the present invention will be more apparent from the following description.

1 is a schematic view of a connector electrically connected between an electronic component and a circuit board according to an embodiment of the invention. Referring to FIG. 1, the connector 100 of the present embodiment is used to electrically connect an electronic component 200 and a circuit board 300 together. 2 is a perspective view of the connector, FIG. 3 is a cross-sectional view of the connector of FIG. 1, and FIG. 4 is a schematic view showing the insulative body of the connector of FIG. 1 transparent, and in FIGS. 2, 3, and 4, the corresponding diagram The requirements for clearly characterizing the features of the present embodiment are shown, and the components of the circuit board and the electronic components are correspondingly shown or omitted. Referring to FIG. 2, FIG. 3 and FIG. 4 simultaneously, the connector 100 includes an insulative housing 110, an array of conductive terminals, and a plurality of shielding conductor sheets 130. The insulative housing 110 is disposed on the circuit board 300 and has a first surface 112 that is relatively far from the circuit board 300 and a second surface 114 that is adjacent to the circuit board 300. The conductive terminal array is disposed on the insulative housing 110, and the conductive terminal array has a plurality of conductive terminals 120. Each of the conductive terminals 120 has a first end 122, a second end 124, and a first end 122 and a second end 124. A signal conducting portion 126 between the first ends 122 protrudes from the first surface 112, and the second end 124 protrudes from the second surface 114 and contacts the plurality of contacts 302 of the circuit board 300, and the signal conducting portion 126 The axial directions A are parallel to each other and are at an angle θ to the first surface 112, and the angle θ ranges from 45 degrees to 90 degrees. The shielding conductor piece 130 is correspondingly inserted into the array of conductive terminals, wherein each of the shielding conductor pieces 130 has a body 132 and a honeycomb opening, and the normal direction N of the shielding conductor piece 130 and the axial direction A of the signal conducting portion are mutually vertical. By inserting the shielding conductor piece 130 correspondingly into the conductive terminal array, the shielding conductor piece 130 can serve as a shield for suppressing noise interference, and reduce the crosstalk phenomenon of the connector 100.

In detail, the signal conducting portion 126 of the conductive terminal 120 of the present embodiment has a columnar shape, and the conductive terminals 120 are arranged in an array in which the axial direction A of the signal conducting portion 126 is parallel to each other, and each of the conductive terminals 120 is disposed. The angle between the axial direction A of the signal conducting portion 126 and the first surface 112 is θ. The present invention does not limit the form of the signal conducting portion 126 to be a columnar body. In other embodiments not shown, the signal conducting portion 126 of the conductive terminal 120 may be formed by connecting a plurality of conductive beads. The form of the signal conducting portion 126 can be determined according to actual needs.

In addition, two shielding conductor pieces 130 are interposed on both sides of the same row of the conductive terminals 120. In other words, along the arrangement direction, the shielding conductor pieces 130 and the rows of the conductive terminals 120 are staggered, but the last row is electrically conductive. In addition to the terminal 120, the shielding conductor piece 130 is still provided to achieve uniformity of each signal transmission structure, so that the impedance values of the respective signal conductors are the same, and the problem of electromagnetic interference can be prevented. The honeycomb opening of the shielding conductor piece 130 referred to in this embodiment is distributed by the plurality of openings 134 in the body 132 to form a porous structure like a honeycomb in FIG. These openings 134 may be arranged in any order or may be uniformly distributed to the body 132 in a symmetrical form. Symmetry herein means that the center line distance of any two adjacent openings 134 is the same as the center line distance of any two adjacent openings, such as the centers of the three openings 134a, 134b, 134c of FIG. The connection distances d1, d2 and d3 are the same. In addition, the shape, size and position of the opening 134 of each of the shielding conductor pieces 130 and the opening 134 of the other shielding conductor piece 130 may be mutually corresponding, so that the opening of each of the shielding conductor pieces 130 can be achieved. The shape, size and position of the 134 set a better shading effect. Incidentally, the shape of the opening 134 may be circular, elliptical, rectangular, other polygonal or the shape of the opening 134 as shown in FIG. 6, and the shape of the opening 134 is not limited by the present invention. Moreover, the opening 134 may also be located at the edge of the body 132, as shown in FIG.

Referring to FIG. 2, FIG. 3 and FIG. 4, the connector 100 further includes a conductor frame 140 disposed on the insulative housing 110. The conductor frame 140 has a plurality of through holes 142, and the conductive terminals 210 of the electronic component 200 are suitable. The through hole 142 is passed through to contact the first end 122 of the conductive terminal 120.

The method of forming the connector 100 of the present embodiment will be described below.

The plurality of conductive terminals 120 are placed in a mold frame, and the conductive terminals 120 are arranged at an angle. The conductive terminals 120 are inclined at an angle by clamping the conductive terminals 120 with a robot arm, or using the wrong The magnets are respectively attracted to the first end 122 and the second end 124 side of the conductive terminal 120 to incline the conductive terminal 120 by an angle θ. As can be seen from the above, there are various ways in which the conductive terminals 120 are arranged at an angle θ, which is determined according to actual needs, and is not limited by this embodiment. Next, the shielding conductor piece 130 is staggered with the rows of the conductive terminals 120 in parallel with the axial direction A of the signal conducting portion 126, and the shielding conductor pieces 130 are disposed on both sides of each of the rows of the conductive terminals 120. . Then, the insulating material for forming the insulating body 110 is injected into the mold frame, and the insulating material is fixedly formed, and the conductive terminal 120 and the shielding conductor piece 130 are fixed in the insulating body 110.

In particular, the honeycomb opening of the shielding conductor piece 130 can increase the contact area when the insulating material is formed, so that the shielding conductor piece 130 can be well adhered to the insulating body 110, thereby increasing the stability.

Thereafter, the conductor frame 140 is mounted on the insulative housing 110, wherein the through hole 142 of the conductor frame 140 exposes the first end 122 of the conductive terminal 120. Incidentally, the shielding conductor piece 130 may protrude from the first surface 112 of the insulative housing 110 to contact the conductor frame 140.

When the connector 100 of the present embodiment is used, the connector 100 is fixed to the circuit board 300 with the second end 124 of the conductive terminal 120 contacting the contact 302 of the circuit board 300. In particular, when the electronic component 200 is bonded to the connector 100, the conductive terminal 210 of the electronic component 200 passes through the through hole 142 of the conductor frame 140 to be in contact with the first end 122, and the electronic component 200 is subjected to a positive direction. For the insulative body 110, the positive force causes the insulating body 110 to deform, so that the first end 122 of the conductive terminal 120 disposed in the insulating body 110 generates movement relative to the conductive terminal 210 along with the deformation of the insulating body 110. As shown in FIG. 8 , after the positive force of the connector 100 is released, the insulative housing 110 is restored to its original shape, and the first end 122 of the conductive terminal 120 is also returned to the original position. The oxide 400 formed on the surface of the first end 122 or the conductive terminal 210 can be rubbed to be removed by the friction generated when the first end 122 moves relative to the conductive terminal 210 disposed thereon, thereby achieving the first end. 122 and the effect of the electrical connection of the conductive terminal 210.

Fig. 9 is a schematic view showing a crosstalk phenomenon in which a shielded conductor piece is not provided in a conventional connector, and Fig. 10 is a schematic view showing a crosstalk phenomenon of the connector of the present embodiment. Comparing FIG. 9 with FIG. 10, it can be seen that the connector 100 of the present embodiment can reliably reduce the crosstalk by 70% compared with the conventional connector, thereby achieving the effect of transmitting signals at high speed and correctly.

Figure 11 is a schematic view of a conductor frame. The conductor frame 140 further has a plurality of grounding ends 144 protruding from the plurality of through holes 142, and the grounding end 144 is used for the electronic component 200 as a grounding pin when the electronic component 200 is mounted on the connector 100. The conductive terminal 210 contacts the ground terminal 144 to form a grounding system. The grounding end 144 of this embodiment can be determined according to the setting position of the grounding pin of the electronic component 200. 12 and 13 show different arrangement manners of the signal pin and the ground pin of the electronic component 200. Referring to FIGS. 11 , 12 and 13 , the grounding end 144 of the conductor frame 140 is disposed corresponding to the grounding pin 220 of the electronic component 200 , and the grounding end 144 must be disposed corresponding to the signal pin 230 . The installation position of the grounding end 144 can be changed in accordance with the setting position of the grounding pin of the electronic component 200, which increases design convenience.

In summary, the use of the connector of the present invention has at least the following advantages:

1. The shielding conductor piece of the connector acts as a shield for suppressing noise interference, reduces the crosstalk phenomenon of the connector, and achieves the purpose of high-speed and accurate transmission of the signal.

2. The honeycomb opening of the shielding conductor piece increases the contact area between the insulating body and the shielding conductor piece, improves the adhesion, and allows the shielding conductor to be stably disposed in the insulating body.

3. When the electronic component is assembled in the connector, the positive force of the electronic component is applied to the insulating body, causing deformation of the insulating body, thereby causing the conductive terminal of the electronic component to rub against the first end of the conductive terminal and simultaneously removing the same. The oxide enhances the electrical connection between the conductive terminals of the electronic component and the first end of the conductive terminal.

Fourth, the grounding end of the conductor frame can be set according to the grounding pin position of the electronic parts, and has design convenience.

Although the present invention has been disclosed in the above embodiments, it is not intended to limit the invention, and any one of ordinary skill in the art can make some modifications and refinements without departing from the spirit and scope of the invention. The scope of the invention is defined by the scope of the appended claims.

100. . . Connector

110. . . Insulating body

112. . . First surface

114. . . Second surface

120, 210. . . Conductive terminal

122. . . First end

124. . . Second end

126. . . Signal transmission

130. . . Shaded conductor piece

132. . . Ontology

134, 134a, 134b, 134c. . . Opening

140. . . Conductor frame

142. . . Through hole

144. . . Ground terminal

200. . . Electronic parts

300. . . Circuit board

302. . . contact

400. . . Oxide

θ. . . angle

A. . . Axial

N. . . Normal direction

D1, d2, d3. . . Center connection distance

1 is a schematic view of a connector electrically connected between an electronic component and a circuit board according to an embodiment of the invention.

2 is a perspective view of the connector.

Figure 3 is a cross-sectional view of the connector of Figure 1.

4 is a schematic view showing the insulative body of the connector of FIG. 1 being transparent.

Figure 5 is a schematic view of a shielded conductor piece.

Fig. 6 is a schematic view showing the opening of the shielded conductor piece in another shape.

Fig. 7 is a schematic view showing that the opening of the shielding conductor piece is disposed at the edge of the body.

FIG. 8 is a schematic view showing the electronic component applying a positive force to the insulating body and deforming the insulating body when the electronic component is joined to the connector.

Fig. 9 is a schematic view showing a crosstalk phenomenon in which a shielded conductor piece is not provided in a conventional connector.

FIG. 10 is a schematic diagram of the crosstalk phenomenon of the connector of the embodiment.

Figure 11 is a schematic view of a conductor frame.

12 and 13 show different arrangement modes of the signal pin and the ground pin of the electronic component.

100. . . Connector

112. . . First surface

114. . . Second surface

120, 210. . . Conductive terminal

122. . . First end

124. . . Second end

126. . . Signal transmission

130. . . Shaded conductor piece

132. . . Ontology

134. . . Opening

140. . . Conductor frame

142. . . Through hole

144. . . Ground terminal

200. . . Electronic parts

300. . . Circuit board

302. . . contact

θ. . . angle

A. . . Axial

N. . . Normal direction

Claims (9)

A connector electrically connected between an electronic component and a circuit board, the connector comprising: an insulative housing disposed on the circuit board, having a first surface relatively away from the circuit board and relatively adjacent to the circuit board a second surface; an array of conductive terminals disposed on the insulative housing, the conductive terminal array having a plurality of conductive terminals, wherein each of the conductive terminals has a first end, a second end, and is coupled to the first end a signal conducting portion between the second ends, the first ends protruding from the first surface, and the second ends protruding from the second surface and contacting the plurality of contacts of the circuit board, and the The signal conducting portions are axially parallel to each other and at an angle to the first surface; and a plurality of shielding conductor sheets are correspondingly inserted in the array of conductive terminals, wherein each of the shielding conductor sheets has a body and a honeycomb opening a hole, and a normal direction of the shielding conductor pieces is perpendicular to an axial direction of the signal conducting portions. The connector of claim 1, wherein the signal conducting portions of the conductive terminals are columnar. The connector of claim 1, wherein the signal conducting portions of the conductive terminals are formed by connecting a plurality of conductive beads. The connector of claim 1, wherein the angle ranges from 45 degrees to 90 degrees. The connector of claim 1, wherein the honeycomb opening has a plurality of openings, and the openings are evenly distributed on the body. The connector of claim 5, wherein the openings are located at an edge of the body. The connector of claim 1, further comprising a conductor frame disposed on the insulative housing, the conductor frame having a plurality of through holes, and the plurality of conductive terminals of the electronic component are adapted to be disposed The through holes are in contact with the first ends of the conductive terminals. The connector of claim 7, wherein the insulating body has elasticity, and when the electronic component applies a positive force to the first ends, the insulating body is deformed by force, and the electronic component The conductive terminals rub the first ends. The connector of claim 7, wherein the conductor frame further has a plurality of grounding ends protruding into the through holes of the portion and contacting the conductive terminals disposed in the through holes. .