CN214542618U - Connector assembly for semiconductor integrated circuit, printed circuit board and test device - Google Patents

Abstract

A connector assembly for semiconductor integrated circuit, printed circuit board and test device includes a female housing, a signal terminal, a ground terminal and a coaxial cable. The female seat shell is provided with a first assembly hole in a penetrating way, the peripheral circumference positions at two sides of the first assembly hole are provided with a second assembly hole and a third assembly hole coaxially, the second assembly hole and the third assembly hole are used for assembling a signal terminal, a grounding terminal and a coaxial cable, the signal terminal and the coaxial cable are provided with a corresponding terminal groove and a corresponding terminal, the terminal groove and the terminal are provided with a conical inclined plane and a pointed conical part with matched tapers, the contact area during assembly can be increased, the terminal is assembled in the terminal groove to be more stable, the signal transmission path is shortest, the signal transmission is ensured to be more complete and high-speed, and the grounding terminal is provided with two elastic contact pieces extending outwards corresponding to the coaxial cable, so that the matching smoothness of the grounding terminal and the coaxial cable is improved.

Description

Connector assembly for semiconductor integrated circuit, printed circuit board and test device

Technical Field

The utility model relates to a semiconductor integrated circuit, printed circuit board and testing arrangement's connector assembly especially relates to and is applied to the area of contact who increases signal terminal and coaxial cable, can promote simultaneously with coaxial cable's cooperation smoothness degree, thereby ensure that the transmission of signal is more complete, stable and fast-speed technically.

Background

In the testing of semiconductor integrated circuits and printed circuit boards, especially the testing of semiconductor integrated circuits and printed circuit boards related to wafers, the semiconductor integrated circuits and printed circuit boards to be tested must be placed on the test mother board of the tester, and the bottom surfaces of the semiconductor integrated circuits and printed circuit boards to be tested are connected with the test mother board of the tester in a pluggable manner by using the connector assembly, so that the electronic components to be tested of the semiconductor integrated circuits and printed circuit boards to be tested can be tested.

Please refer to FIG. 18, which is a schematic exploded view of a prior art. Fig. 19 is a perspective exploded view of the first half-cylinder, the second half-cylinder, the insulating member and the signal terminal of the prior art. The connector assembly mainly includes: a coaxial cable 40, a housing 50, a ground terminal (composed of a first half-cylinder 60 and a second half-cylinder 70), an insulating member 80, a signal terminal 90, wherein:

a terminal 41 is provided at the center of the coaxial cable 40, a tapered portion 42 is provided at the outer end of the terminal 41, and a ring of positioning grommets 43 is provided at the outer portion of the coaxial cable 40.

The proper position of the surface of the shell 50 is provided with a plurality of positioning holes 51 and a plurality of positioning pins 52, the predetermined position of the surface of the shell 50 is provided with a plurality of first assembling holes 53, the transverse section of the first assembling holes 53 is octagonal, the first half cylinder 60 and the second half cylinder 70 are assembled, the other side of the shell 50 corresponding to the first assembling holes 53 is provided with a second assembling hole 54 with the same axle center, and the transverse section of the second assembling hole 54 is circular, and the coaxial cable 40 is assembled.

The opening of the first half cylinder 60 faces the second half cylinder 70, the first half cylinder 60 has five edges, two positioning hooks 61 are disposed at the upper and lower sides of the first half cylinder 60, two V-shaped elastic abutting arms 62 are disposed at the outer side of the first half cylinder 60, and two V-shaped elastic contact pieces 63 are outwardly extended from the inner side of the first half cylinder 60 corresponding to the coaxial cable 40, so as to improve the smoothness of the coaxial cable 40.

The opening of the second half cylinder 70 faces the first half cylinder 60, the second half cylinder 70 has five edges, two positioning slots 71 are disposed at the upper and lower sides of the second half cylinder 70 corresponding to the two positioning hooks 61, so that the two positioning hooks 61 of the first half cylinder 60 are fastened and fixed to the two positioning slots 71 of the second half cylinder 70, two v-shaped elastic abutting arms 72 are disposed at the outer side of the second half cylinder 70, a plurality of saw-tooth-shaped inclined surfaces 73 are disposed at two sides of the second half cylinder 70, and the second half cylinder 70 can be stably assembled into the first assembling hole 53 of the housing 50 by the design of the inclined surfaces 73.

The transverse section of the insulating member 80 is octagonal, the insulating member 80 is installed inside the assembly of the first half-cylinder 60 and the second half-cylinder 70, and the outer side of the insulating member 80 is provided with a slotted hole 81 in a shape of a straight line for the signal terminal 90 to pass through.

The signal terminal 90 is mainly responsible for isolating noise and transmitting signals completely, the transverse cross section of the signal terminal 90 is ㄈ -shaped, an outer side of the signal terminal 90 is provided with an elastic pressing arm 91 shaped like a Chinese letter V, the elastic pressing arm 91 penetrates out of the slot 81 of the insulating member 80, two side surfaces of the signal terminal 90 are provided with two elastic contact pieces 92 shaped like a V corresponding to the coaxial cable 40 and extending outwards, so as to improve the smoothness of the terminal 41 matched with the coaxial cable 40, and two side surfaces of the signal terminal 90 are provided with inclined surfaces 93 shaped like saw teeth.

However, in practical applications, please refer to fig. 20, which is a schematic side view of a conventional connector assembly with a coaxial cable assembled between a signal terminal and a ground terminal. There are at least seven problems and deficiencies yet to be overcome.

Firstly, the two elastic contact pieces 92 of the signal terminal 90 of the connector are in two-point contact with the terminal 41 of the coaxial cable 40, so that the contact between the two elastic contact pieces 92 of the signal terminal 90 and the terminal 41 of the coaxial cable 40 is more unstable, and the transmission speed of signals is slow and incomplete and stable.

Secondly, the traditional existing connector assembly is not smooth enough in the matching when the grounding terminal contacts with the coaxial cable 40, so that the connector is difficult to assemble, the maintenance cost is higher, and the service life is shortened.

Thirdly, since the structure of the elastic contact piece 92 of the signal terminal 90 of the connector is a reed design, mechanical fatigue of the reed is easily caused after long-time opening and closing, and further contact failure is caused, and the test is easily misjudged and failed.

Fourth, the integrated circuit test is often performed at high and low temperatures, and the design structure of the spring leaf of the elastic contact piece 92 of the signal terminal 90 is prone to cause poor contact due to the alternative test of high and low temperatures, resulting in the failure of the test.

Fifth, since the structure of the signal terminal 90 itself is a reed design, the signal transmission path is not the shortest path according to the design shape, which results in a delay in signal transmission and does not exhibit the maximum performance.

Sixth, the conventional connector assembly is composed of the housing 50, the first half-cylinder 60, the second half-cylinder 70, the insulating member 80 and the signal terminal 90, and the components thereof are various and the manufacturing cost is too high.

Seventhly, the conventional connector assembly is composed of the housing 50, the first half cylinder 60, the second half cylinder 70, the insulating member 80 and the signal terminal 90, and the components thereof are various, and the assembly is time-consuming and labor-consuming and is not easy to maintain.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the people is engaged in manufacturing, the design of relevant product at present, accumulates years's practical experience and thoughts, to the existing problem and the defect of the connector assembly that the tradition is current, actively drops into the spirit of innovation and improvement, the semiconductor integrated circuit who accomplishes, printed circuit board and testing arrangement's connector assembly.

The technical means applied for solving the problems and the efficacy compared with the prior art are as follows: the female seat shell is equipped with a first assembling hole, the peripheral circumference of two sides of said first assembling hole is equipped with a second and a third assembling holes coaxially, and can be used for assembling signal terminal, grounding terminal and coaxial cable, said signal terminal and coaxial cable are equipped with correspondent terminal groove and terminal, said terminal groove and said terminal are equipped with conical oblique surface and pointed conical portion whose conical degree is matched, besides the contact area when assembling can be increased, the contact of said terminal assembled in said terminal groove also can be more stable, its signal transmission path is shortest, and can ensure that the signal transmission is more complete and high-speed, and said grounding terminal is equipped with two elastic contact pieces which are outwards extended and correspondent to said coaxial cable so as to raise the fit smoothness of said coaxial cable, and said signal terminal contact mode is area contact, and is more stable than traditional two-point contact design, and said connector is easier to assemble, the maintenance cost is lower, the efficacy is improved, and the main purpose is achieved.

According to one aspect of the present invention, there is provided a connector assembly of a semiconductor integrated circuit, a printed circuit board and a testing apparatus, the connector assembly comprising a female housing, a signal terminal, a ground terminal and a coaxial cable; the female housing is provided with a first assembly hole for assembling the signal terminal, a second assembly hole and a third assembly hole are coaxially arranged at the peripheral circumference of two sides of the first assembly hole, the second assembly hole is used for assembling the ground terminal, the third assembly hole is used for assembling the coaxial cable, the signal terminal is provided with a cylinder body, an upper terminal is arranged at one side of the cylinder body, a lower terminal is arranged at the other side of the cylinder body, the upper terminal and the coaxial cable are provided with corresponding terminal grooves and terminals, the terminal grooves are provided with conical inclined planes, a pointed cone part is arranged at the position of the terminal corresponding to the conical inclined plane, the conical angles of the pointed cone part and the signal terminal are the same, and two elastic contact pieces extend outwards from the position of the ground terminal corresponding to the coaxial cable and are used for elastically contacting the coaxial cable.

The connector assembly of the semiconductor integrated circuit, the printed circuit board and the testing device; wherein: the surface of the female seat shell is provided with a plurality of positioning holes and a plurality of positioning pins at proper positions.

The connector assembly of the semiconductor integrated circuit, the printed circuit board and the testing device; wherein: the grounding terminal is provided with two elastic pressing arms corresponding to the surface of the shell of the female seat.

The above-mentioned semiconductor integrated circuit, printed circuit board and connector assembly of the testing device, wherein: the transverse section of the second assembling hole of the female seat shell is a C-shaped hole, five side surfaces are arranged on the periphery of the second assembling hole, and an arc surface is arranged on the inner periphery of the second assembling hole.

The above-mentioned semiconductor integrated circuit, printed circuit board and connector assembly of the testing device, wherein: two side surfaces of the grounding terminal are provided with a plurality of sawtooth-shaped inclined surfaces.

The above-mentioned semiconductor integrated circuit, printed circuit board and connector assembly of the testing device, wherein: the signal terminal is provided with a cylinder body, one side of the cylinder body is provided with an upper terminal, the other side of the cylinder body is provided with a lower terminal, a spring is arranged in the cylinder body of the signal terminal, the upper terminal and the lower terminal are provided with an upper thimble and a lower thimble which are in an enlarged shape corresponding to the spring, two sides of the cylinder body are provided with an upper necking part and a lower necking part, the spring provides elasticity for the upper terminal and the lower terminal, the upper terminal and the lower terminal are limited to be separated outwards by the upper necking part and the lower necking part, and the upper terminal and the lower terminal can be prolonged in service life by the aid of elastic design of the spring.

The beneficial effects of the utility model reside in that, this signal terminal is equipped with corresponding terminal recess and terminal with this coaxial cable, this terminal recess is equipped with the identical circular cone inclined plane of tapering and sharp pyramis with this terminal, except the area of contact when can increasing the equipment, also let this terminal assembly in the contact of this terminal recess more stable, its signal transmission's route is shortest, ensure that the transmission of signal is more complete and high-speed, this ground terminal is equipped with two elastic contact pieces corresponding to this coaxial cable department outwards extends, thereby promote with this coaxial cable's smooth degree of smoothness of cooperation

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a perspective exploded view of the present invention.

Fig. 3 is a schematic perspective sectional view of the female housing of the present invention.

Fig. 4 is a three-dimensional exploded view of the signal terminal of the present invention.

Fig. 5 is a schematic perspective view of the ground terminal of the present invention.

Fig. 6 is a schematic plan view of the ground terminal of the present invention.

Fig. 7 is a schematic sectional view taken along line B-B of fig. 6.

Fig. 8 is a schematic cross-sectional view taken along line E-E of fig. 6.

Fig. 9 is a side view of the signal terminal and the ground terminal assembled to the female housing according to the present invention.

Fig. 10 is a side view schematically illustrating the assembly of the signal terminal and the ground terminal to the female housing according to the present invention.

Fig. 11 is a schematic side view of the coaxial cable of the present invention assembled to the signal terminal and the ground terminal.

Fig. 12 is a schematic plan view of the present invention.

Fig. 13 is a schematic cross-sectional view of M-M of fig. 12.

Fig. 14 is a first schematic view illustrating the continuous operation of inserting the coaxial cable into the third assembly hole according to the present invention.

Fig. 15 is a schematic view showing the continuous operation of inserting the coaxial cable into the third assembly hole according to the present invention.

Fig. 16 is a schematic plan exploded view of the present invention before use.

Fig. 17 is a schematic plan view of the present invention.

Fig. 18 is a perspective exploded view of a conventional apparatus.

Fig. 19 is an exploded perspective view of the first half-cylinder, the second half-cylinder, the insulating member and the signal terminal of the related art.

Fig. 20 is a side view of a conventional coaxial cable assembled to a signal terminal and a ground terminal.

The reference numbers are as follows:

1 … … … … … connector assembly

2 … … … … … printed circuit board

3 … … … … … test socket

4 … … … … … semiconductor integrated circuit

5 … … … … … test motherboard

6 … … … … … test head set

7 … … … … … testing machine set

10 … … … … female seat shell

11 … … … … location hole

12 … … … … locating pin

13 … … … … first assembling hole

14 … … … … second assembling hole

141 … … … edge surface

142 … … … arc surface

15 … … … … third assembling hole

20 … … … … signal terminal

21 … … … … barrel

211 … … … upper necked down portion

212 … … … lower necked down portion

22 … … … … Upper terminal

221 … … … upper thimble

222 … … … terminal groove

223 … … … conical bevel

23 … … … … lower terminal

231 … … … lower thimble

30 … … … … ground terminal

31 … … … … elastic pressing arm

32 … … … … elastic contact piece

33 … … … … inclined plane

40 … … … … coaxial cable

41 … … … … terminal

42 … … … … pointed taper

43 … … … … positioning groove ring

S … … … … … spring

50 … … … … casing

51 … … … … location hole

52 … … … … locating pin

53 … … … … first Assembly hole

54 … … … … second assembly hole

60 … … … … first half cartridge

61 … … … … positioning hook

62 … … … … elastic propping arm

63 … … … … elastic contact piece

70 … … … … second half cartridge

71 … … … … positioning slot hole

72 … … … … elastic support arm

73 … … … … inclined plane

80 … … … … insulating member

81 … … … … slotted hole

90 … … … … signal terminal

91 … … … … elastic pressing arm

92 … … … … elastic contact piece

93 … … … … inclined plane

Detailed Description

In order to facilitate a better understanding of the invention as to its construction and its functional advantages, one embodiment will now be described in detail with reference to the accompanying drawings, in which:

referring to fig. 1 and 2, a three-dimensional assembly and a three-dimensional exploded view of a connector assembly of a semiconductor integrated circuit, a printed circuit board and a testing device according to the present invention are shown. The connector assembly 1 mainly includes: a female housing 10, a signal terminal 20, a ground terminal 30 and a coaxial cable 40. Wherein:

please refer to FIG. 3, which is a schematic perspective cross-sectional view of the female housing of the present invention. A plurality of positioning holes 11 and a plurality of positioning pins 12 are disposed at appropriate positions on the surface of the female housing 10, a plurality of first assembling holes 13 are disposed at predetermined positions on the surface of the female housing 10, the transverse cross-section of the first assembling holes 13 is a circular hole for assembling the signal terminal 20, a plurality of second assembling holes 14 are coaxially disposed at the peripheral circumference of one side of the first assembling holes 13 for assembling the ground terminal 30, the transverse cross-section of the second assembling holes 14 is a C-shaped hole, five side surfaces 141 are disposed at the periphery of the second assembling holes 14, an arc surface 142 is disposed at the inner circumference of the second assembling holes 14, so that the ground terminal 30 can be easily assembled in the second assembling holes 14 of the female housing 10, the maintenance cost is low, a plurality of third assembling holes 15 are coaxially disposed at the peripheral circumference of the other side of the first assembling holes 13, and the transverse cross-section of the third assembling holes 15 is a circular hole, for assembling the coaxial cable 40.

Please refer to FIG. 4, which is a schematic perspective exploded view of the signal terminal of the present invention. The signal terminal 20 has a barrel 21, an upper terminal 22 is disposed at one side of the barrel 21, a lower terminal 23 is disposed at the other side of the barrel 21, a spring S is disposed inside the barrel 21, an upper pin 221 and a lower pin 231 are disposed at positions of the upper terminal 22 and the lower terminal 23 corresponding to the spring S and are enlarged, an upper necking portion 211 and a lower necking portion 212 are disposed at both sides of the barrel 21, the spring S provides a proper elastic force for the upper terminal 22 and the lower terminal 23, the upper necking portion 211 and the lower necking portion 212 are used to limit the upper terminal 22 and the lower terminal 23 from being separated outwards, a terminal groove 222 is disposed at a position of the upper terminal 22 corresponding to the coaxial cable 40, the terminal groove 222 is provided with a conical slope 223 to increase a contact area, the lower terminal 23 is provided with a positioning portion 232, the terminal groove 222 adopts a contact mode with good insertion contact, the path of signal transmission is shortest, more complete and high-speed signals can be transmitted, and the mode of surface contact is more stable than the traditional two-point contact designed in the prior art.

Please refer to fig. 5, which is a perspective view of the ground terminal of the present invention. Fig. 6 is a schematic plan view of the ground terminal of the present invention. And FIGS. 7 and 8 are schematic cross-sectional views B-B and E-E of FIG. 5. The ground terminal 30 is mainly responsible for isolating noise and transmitting signals completely, the transverse cross section of the ground terminal 30 is pentagonal, so as to ensure that the ground terminal 30 can be stably assembled into the five side surfaces 131 of the second assembly hole 14 of the female housing shell 10, two side surfaces of the ground terminal 30 are provided with two V-shaped elastic pressing arms 31, two side surfaces of the ground terminal 30 are outwardly extended with two V-shaped elastic contact pieces 32 corresponding to the coaxial cable 40, so as to improve the smoothness of the fit with the coaxial cable 40, two side surfaces of the ground terminal 30 are provided with a plurality of sawtooth-shaped inclined surfaces 33, and the ground terminal 30 can be stably assembled into the second assembly hole 14 of the female housing shell 10 through the design of the inclined surfaces 33.

A terminal 41 is disposed at the center of the coaxial cable 40, a tapered portion 42 is disposed at the outer end of the terminal 41, the tapered portion 42 has the same taper as the tapered slope 223 of the signal terminal 20 to increase the contact area during assembly, and a ring of positioning groove rings 43 is disposed at the outer portion of the coaxial cable 40 corresponding to the elastic contact piece 32 of the ground terminal 30.

The present invention is to provide a connector assembly for a semiconductor integrated circuit, a printed circuit board and a test apparatus, which is applied to practical operation.

Please refer to fig. 9 and 10, which are schematic side views of the coaxial cable, the signal terminal and the ground terminal of the present invention assembled on the housing of the female socket shown in fig. 1 and 2. Fig. 11 is a schematic side view of the coaxial cable of the present invention assembled to the signal terminal and the ground terminal. Fig. 12 is a schematic plan view of the present invention. Fig. 13 is a schematic cross-sectional view of M-M of fig. 12. Fig. 14 is a first schematic view illustrating the continuous operation of inserting the coaxial cable into the third assembly hole according to the present invention. Fig. 15 is a schematic view showing the continuous operation of inserting the coaxial cable into the third assembly hole according to the present invention. During assembly, the signal terminal 20 and the ground terminal 30 are first assembled in the first assembling hole 13 and the second assembling hole 14 of the female housing 10, and meanwhile, the signal terminal and the ground terminal are ensured to be stably assembled in the second assembling hole 14 of the female housing 10 by the design of the inclined planes 33 of the ground terminal 30; in addition, the coaxial cable 40 is assembled in the third assembling hole 15, the smoothness of the coaxial cable 40 and the terminal 41 is improved by the elastic contact piece 32 of the grounding terminal 30, the contact area of the terminal groove 222 and the terminal 41 is increased by the conical inclined surface 223 and the pointed conical part 42 during assembly, and the contact of the terminal 41 assembled in the terminal groove 22 is more stable, so that the signal transmission is more complete and high-speed.

Please refer to FIG. 16, which is a schematic exploded view of the present invention before use. Fig. 17 is a schematic plan view of the present invention. Wherein: the top surface of the connector assembly 1 is assembled on the bottom surface of the printed circuit board 2, the top surface of the printed circuit board 2 is provided with a test socket 3, the top surface of the test socket 3 can be used for inserting a semiconductor integrated circuit 4, the bottom surface of the connector assembly 1 is assembled on a test motherboard 5, the bottom surface of the test motherboard 5 is assembled on the top surface of a test head group 6, and the test head group 6 is electrically connected with a test unit 7.

In conclusion, the utility model discloses it is old to synthesize the above-mentioned institute, the utility model discloses a connector assembly of semiconductor integrated circuit, printed circuit board and testing arrangement is provided, process the utility model discloses after people actually made the completion and operate the test repeatedly, it can reach to prove the utility model discloses anticipated functional benefit is the at first utility model that does not have the news yet again between current mill simultaneously, has the industrial value of utilizing, and admittedly the utility model discloses a patent practicality and progressive establishing essence have been accorded with in good faith, according to the regulation of patent law, to the intellectual property office propose the utility model discloses patent application.

Claims (6)

1. A connector assembly of semiconductor integrated circuit, printed circuit board and testing device, the connector assembly is made up of mother seat outer casing, signal terminal, ground terminal and coaxial cable; the coaxial cable connector is characterized in that a first assembly hole is formed in the female socket shell in a penetrating mode and used for assembling the signal terminal, a second assembly hole and a third assembly hole are coaxially formed in the peripheral circumference of the two sides of the first assembly hole, the second assembly hole can be used for assembling the grounding terminal, the third assembly hole can be used for assembling the coaxial cable, the signal terminal is provided with a cylinder body, an upper terminal is arranged at one side of the cylinder body, a lower terminal is arranged at the other side of the cylinder body, the upper terminal and the coaxial cable are provided with corresponding terminal grooves and terminals, each terminal groove is provided with a conical inclined surface, each terminal is provided with a pointed cone portion corresponding to the conical inclined surface, the conical cones of the pointed cone portions are the same as the conical inclined surfaces of the signal terminal, and the grounding terminal is provided with two elastic contact pieces extending outwards corresponding to the coaxial cable and used for elastically contacting the coaxial cable.

2. The semiconductor integrated circuit, printed circuit board and test device connector assembly of claim 1, wherein the female housing has a plurality of alignment holes and alignment pins formed on a surface thereof.

3. The semiconductor integrated circuit, printed circuit board and test apparatus connector assembly of claim 1, wherein the ground terminal is provided with two resilient hold-down arms corresponding to the surface of the female housing.

4. The connector assembly of claim 1, wherein the second assembling hole of the female housing has a C-shaped cross-section, five side surfaces are formed on the outer circumference of the second assembling hole, and an arc surface is formed on the inner circumference of the second assembling hole.

5. The semiconductor integrated circuit, printed circuit board and test device connector assembly of claim 1, wherein the ground terminal has a plurality of inclined surfaces formed in a zigzag pattern on both sides thereof.

6. The connector assembly of claim 1, wherein a spring is disposed inside the barrel of the signal terminal, the upper pin and the lower pin are disposed in an enlarged shape corresponding to the spring, an upper necking portion and a lower necking portion are disposed at both sides of the barrel, the spring provides elastic force to the upper terminal and the lower terminal, and the upper necking portion and the lower necking portion are used to limit the upper terminal and the lower terminal from being separated outward.

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