CN113646973A

CN113646973A - Wafer connector

Info

Publication number: CN113646973A
Application number: CN202080026352.8A
Authority: CN
Inventors: 蔡周贤
Original assignee: Jie Li Intellectual Property Co ltd
Current assignee: Jie Li Intellectual Property Co ltd
Priority date: 2019-03-29
Filing date: 2020-03-30
Publication date: 2021-11-12
Also published as: WO2020200181A1; TW202044674A

Abstract

The invention provides a chip connector, which comprises an insulating base body, a chip connector and a chip connector, wherein the insulating base body is provided with a plurality of terminal grooves; and a plurality of terminals, the plurality of terminals are positioned in the plurality of terminal slots, each terminal is integrally formed with a fixing part and a turning part by a metal sheet blanking method, the fixing part is a plate body, and the fixing part is fixed with the terminal slots; the bending part is provided with a bending plate, an upper elastic part which bends and extends upwards and a lower elastic part which bends and extends downwards, the bending plate is connected to one side of the fixing part and bends 90 degrees or 180 degrees to enable the plate surface of the bending part to be vertical or parallel to the plate surface of the fixing part, one end of the upper elastic part is connected to the bending plate and the other end of the upper elastic part is connected with an upper contact part, the upper contact part penetrates through the upper end of the terminal groove, one end of the lower elastic part is connected to the bending plate and the other end of the lower elastic part is connected with a lower contact part, and the lower contact part penetrates through the lower end of the terminal groove.

Description

Wafer connector

Technical Field

The present invention relates to an electrical connector, and more particularly to an electrical connector for a DMD chip.

Background

Referring to fig. 1 and fig. 2, a conventional DMD (Digital Micro-mirror Device, DMD for short) chip connector includes an insulating housing 10 and a plurality of terminals 18, the insulating housing 10 has a plurality of terminal slots 11 arranged in a rectangular shape, the plurality of terminals 18 are assembled in the plurality of terminal slots 11, the terminals 18 have a fixing portion 181, an upper contact portion 182 is connected to an upper end of the fixing portion 181, the upper contact portion 182 has an upper contact 184 protruding upward, a lower contact portion 183 is connected to a lower end of the fixing portion 181, the lower contact portion 183 has a lower contact 185 protruding downward, and the fixing portion 181 has a wider pressing portion 186 to be tightly locked with the terminal slots 11.

The conventional structure has the following disadvantages:

1. the terminals 18 are assembled in the terminal slots 11, so that not only the insulating base 10 bears much interference force, but also the insulating base 10 is easy to deform when heated, expanded and contracted, and the assembly is not very simple.

2. The terminals 18 are only tightly locked with the terminal slot 11 by the fixing portion 181, and are not very stable, so that the tight portion 186 and the terminal slot 11 must have a larger tight force, so that the insulating base 10 can bear a larger tight interference force.

3. The length of each terminal slot 11 is not the longest, and the length of the elastic arm of the upper and

lower contact portions

182, 183 of the terminal is limited, so that the elasticity is not optimal.

Applicants have continued their efforts to develop wafer connectors having simplified configurations that are easy to manufacture and provide good spring characteristics.

Disclosure of Invention

The main objective of the present invention is to provide a chip connector, in which a plurality of terminals are assembled in a plurality of terminal slots with zero interference, so that there is no assembly stress on the insulating base body and the assembly is very convenient.

The main object of the present invention is to provide a chip connector, wherein the fixing portion of each terminal has a larger plate surface to abut against the terminal slot for positioning, and the bending portion of the terminal has enough plate surface to form an upper elastic portion and a lower elastic portion, so as to achieve better elastic effect.

To achieve the above object, the present invention provides a chip connector, which includes an insulating base having a plurality of terminal slots, each terminal slot having a bottom surface; a plurality of terminals, each terminal is formed by blanking a metal sheet, the terminal is provided with a C-shaped main body, two ends of the C-shaped main body are respectively connected with an upward upper contact part and a downward lower contact part, the section of the upper contact part forms an upper contact, the section of the lower contact part forms a lower contact, and the lower contact passes through the through hole of the bottom surface; and an insulating sheet, which is provided with a plurality of through holes matching with the plurality of terminal slots, the length of each through hole is shorter than that of each terminal slot, the insulating sheet is fixed on the insulating base body in a fitting manner and covers most of the length of the plurality of terminal slots, and the C-shaped main body of the terminal is abutted against one side and the bottom surface of the terminal slot and the insulating sheet.

The invention also provides a chip connector, which comprises an insulating base body provided with a plurality of terminal slots; and a plurality of terminals, the plurality of terminals are positioned in the plurality of terminal slots, each terminal is integrally formed with a fixing part and a turning part by a metal sheet blanking method, the fixing part is a plate body, and the fixing part is fixed with the terminal slots; the bending part is provided with a bending plate, an upper elastic part which bends and extends upwards and a lower elastic part which bends and extends downwards, the bending plate is connected to one side of the fixing part and bends 90 degrees or 180 degrees to enable the plate surface of the bending part to be vertical or parallel to the plate surface of the fixing part, one end of the upper elastic part is connected to the bending plate and the other end of the upper elastic part is connected with an upper contact part, the upper contact part penetrates through the upper end of the terminal groove, one end of the lower elastic part is connected to the bending plate and the other end of the lower elastic part is connected with a lower contact part, and the lower contact part penetrates through the lower end of the terminal groove.

The invention has the following advantages:

1. the plurality of terminals are assembled in the plurality of terminal slots in a zero interference manner, so that no assembly stress is applied to the insulating base body, and the assembly is very convenient.

2. The fixing portion of each terminal has a larger plate surface to tightly abut against the terminal slot for positioning, and the turning portion of the terminal has enough plate surface to form an upper elastic portion and a lower elastic portion, so as to achieve better elastic effect.

The above and other objects, advantages and features of the present invention will become more apparent from the following detailed description of the preferred embodiments when taken in conjunction with the accompanying drawings.

Drawings

FIG. 1 is a top view of a conventional chip connector.

FIG. 2 is a side cross-sectional view of a conventional chip connector.

Fig. 3 is an exploded perspective view of the first embodiment of the present invention.

Fig. 4 is a perspective combination view of the first embodiment of the present invention.

Fig. 5 is a side sectional view of the first embodiment of the present invention.

Fig. 6 is a side sectional view of the first embodiment of the present invention in use.

Fig. 7 is an exploded perspective view showing a state of use of the first embodiment of the present invention.

Fig. 8 is a side sectional view of a first alternate implementation of the first embodiment of the present invention.

Fig. 9 is a side sectional view of a second alternate implementation of the first embodiment of the present invention.

Fig. 10 is a side sectional view of a third alternate implementation of the first embodiment of the present invention.

Fig. 11 is a side sectional view of a fourth alternate implementation of the first embodiment of the present invention.

Fig. 12 is a side sectional view of a fifth alternate implementation of the first embodiment of the present invention.

Fig. 12A is a top view of a sixth alternate implementation of the first embodiment of the present invention.

Fig. 13 is a perspective view of a seventh alternate implementation of the first embodiment of the present invention.

Fig. 14 is a side sectional view of a seventh alternate implementation of the first embodiment of the present invention.

Fig. 15 is a side sectional view showing a state of use of a seventh variation implementation of the first embodiment of the present invention.

Fig. 16 is a top view of a second embodiment of the present invention.

Fig. 17 is a side view of a second embodiment of the present invention.

Fig. 18 is a side sectional view of a second embodiment of the present invention.

Fig. 18A is a side sectional view of the second embodiment of the present invention in use.

Fig. 19 is a side view of the assembled state of the terminal of the second embodiment of the present invention.

Fig. 20 is a side view of the assembled state of the terminal of the second embodiment of the present invention.

Fig. 21 is a side view of the assembled state of the terminal of the second embodiment of the present invention.

Fig. 22 is a plan view of a terminal of a first alternate implementation of the second embodiment of the present invention.

Fig. 23 is a side sectional view of a second alternate implementation of the second embodiment of the present invention.

Fig. 24 is a perspective view of a terminal of a second alternate implementation of the second embodiment of the present invention.

Fig. 25 is a perspective view of a terminal of a third alternate implementation of the second embodiment of the present invention.

Fig. 26 is a side sectional view of a fourth alternate implementation of the second embodiment of the present invention.

Fig. 27 is an exploded perspective view of a third embodiment of the present invention.

Fig. 27A is a perspective view of a terminal groove according to a third embodiment of the present invention.

Fig. 28 is an inverted side sectional view of the third embodiment of the present invention.

Fig. 29 is a side sectional view of the third embodiment of the present invention in an inverted use state.

Fig. 30 is a plan view of a third embodiment of the present invention with the terminals inverted.

Fig. 31 is a perspective view of a third embodiment of the present invention with the terminals inverted.

Fig. 32 is a plan view of a terminal inversion of a first alternate implementation of the third embodiment of the present invention.

Fig. 33 is a plan view of a terminal inversion of a second alternate implementation of the third embodiment of the present invention.

Fig. 34 is a plan view of a terminal inversion of a third alternate implementation of the third embodiment of the present invention.

Fig. 35 is a bottom view of a fourth alternative implementation of the third embodiment of the present invention.

Fig. 36 is an inverted side sectional view of a fifth alternative implementation of the third embodiment of the present invention.

Fig. 37 is a perspective view of a fifth modified implementation of the terminal of the third embodiment of the present invention, inverted.

Fig. 38 is a plan view of a terminal inversion of a sixth variation implementation of the third embodiment of the present invention.

Fig. 39 is a perspective view of a terminal inversion of a sixth variation implementation of the third embodiment of the present invention.

Fig. 40 is a side sectional view of a seventh alternate implementation of the third embodiment of the present invention.

Fig. 41 is an inverted side sectional view of an eighth alternate implementation of the third embodiment of the present invention.

Fig. 42 is an exploded plan view of a terminal inverted in an eighth modified example of the third embodiment of the present invention.

Fig. 43 is a plan view of a terminal inversion of an eighth modified implementation of the third embodiment of the invention.

Fig. 44 is a plan view of a terminal inversion of a ninth alternate implementation of the third embodiment of the present invention.

Fig. 45 is an inverted side sectional view of a tenth alternate implementation of the third embodiment of the present invention.

Fig. 46 is an inverted side sectional view of an eleventh alternative implementation of the third embodiment of the present invention.

Fig. 47 is an inverted side sectional view of a twelfth alternative implementation of the third embodiment of the present invention.

Fig. 48 is an inverted side sectional view of a thirteenth alternative implementation of the third embodiment of the present invention.

Fig. 49 is an inverted side sectional view of a fourteenth alternative implementation of the third embodiment of the present invention.

Fig. 50 is an inverted side sectional view of a fifteenth alternative implementation of the third embodiment of the present invention.

Fig. 51 is a side sectional view of a sixteenth alternate implementation of the third embodiment of the present invention.

Fig. 52 is an exploded perspective view of a seventeenth alternate implementation of the third embodiment of the present invention.

Fig. 53 is a perspective view of a fourth embodiment of the present invention.

Fig. 54 is a perspective view of a fifth embodiment of the present invention.

Fig. 55 is a perspective view of a sixth embodiment of the present invention.

Fig. 56 is a perspective view of a seventh embodiment of the present invention.

Detailed Description

Referring to fig. 3 to 5, a DMD chip connector of the present embodiment is a DMD chip connector having an insulating base 30, a plurality of terminals 40 and an insulating plate 50 according to a first embodiment of the present invention, wherein:

the insulating base 30 is a rectangular body, which has a concave 301, a transparent area 37 is disposed in the middle of the concave 301, the concave 301 has a plurality of terminal slots 31 arranged in an oblique manner, the plurality of terminal slots 31 of the upper half and the plurality of terminal slots 31 of the lower half are arranged in an opposite oblique manner, each terminal slot 31 is open at the upper side and has a bottom surface 316, the bottom surface 316 has a through hole 311, four convex portions 38 are disposed at four corners of the insulating base 30, a convex surface 302 of each convex portion 38 is higher than the concave 301, two convex holes 32 are disposed at two convex portions of the two oblique corners, and two convex posts 33 are disposed at the other convex portions of the two oblique corners.

The terminals 40 are fixed in the terminal slots 31 with zero interference, the terminals 40 are formed by blanking metal plates, the terminal 40 is provided with a C-shaped main body 41, two ends of the C-shaped main body 41 are respectively connected with an upward upper contact part 42 and a downward lower contact part 43, the upper end of the upper contact part 42 is a cut surface to form an upper contact 421, the upper contact 421 is provided with a guide angle 422, the lower end of the lower contact part 43 is a cut surface to form a lower contact 431, and the lower contact 431 passes through the through hole 311 on the bottom surface of the terminal slots 31. The C-shaped body 41 is connected to a strip of material 100 when the blanking press is completed for the plurality of terminals 40.

The insulation sheet 50 can be a plastic sheet or a mylar sheet, on which a plurality of through holes 51 are formed in an oblique arrangement to match with the plurality of terminal slots 31 of the insulation base 30, the length of each through hole 51 is shorter than that of each terminal slot 31, the insulation sheet 50 is attached to and fixed on the concave surface 301 of the insulation base 30 to cover most of the length of the plurality of terminal slots 31, the insulation sheet 50 is flush with the convex surface 302 and two sides thereof are aligned with the insulation base 30, the C-shaped main body 41 of the terminal 40 abuts against one side and the bottom surface of the terminal slot and the insulation sheet 50, the upper and

lower contact portions

42, 43 abut against the other side of the terminal slot, and the upper contact 421 passes through the through holes 51.

In this embodiment, the pitch of the terminals is 1.0mm, the number of the terminals is 250, and the height of the insulating base 30 is approximately 1.219mm or 1.6 mm.

Referring to fig. 6, the upper and

lower contacts

421 and 431 are in a compressed state.

Referring to fig. 7, in the operation state of the present embodiment, a plurality of lower contacts of the DMD chip connector 1 of the embodiment are electrically connected to a plurality of electrical connection points 112 of a circuit board 110, a DMD chip 90 is disposed on the DMD chip connector 1 and electrically connected to the plurality of upper contacts 421, a pressing plate 70 is pressed on the DMD chip 90, two clamping posts 71 of the pressing plate 70 pass through two through holes 91 of the DMD chip 90, two through holes 32 of the DMD chip connector 1, two through holes 111 of the circuit board 110, and two through holes 76 of the bottom plate 75 to form clamping, so that the upper and

lower contacts

421, 431 are in a compressed state as shown in fig. 6.

From the above description, the present invention can have the following advantages:

1. the plurality of terminals 40 are assembled in the plurality of terminal slots 31 with zero interference, so that there is no assembly stress on the insulating housing 30 and the assembly is very convenient.

2. The terminal slots are arranged in an oblique manner, so that each terminal slot has the maximum length, and the terminal has better elastic force.

Referring to fig. 8, a first variation of this embodiment is substantially the same as the first embodiment, except that an upper section 411 of the C-shaped main body 41 of this variation is horizontally attached to the insulation sheet 50, and a lower section 412 of the C-shaped main body 41 is horizontally attached to the bottom surface of the terminal slot.

Referring to fig. 9, a second variation of the present embodiment is substantially the same as the first variation of the present embodiment, except that the lower contact portion 43 of the present variation is connected to a solder ball.

Referring to fig. 10, a third variation of this embodiment is substantially the same as the second variation of this embodiment, except that the upper section 411 of the C-shaped main body 41 of this variation is arc-shaped.

Referring to fig. 11, a fourth variation of this embodiment is similar to the second variation of this embodiment, but the difference is that the upper section 411 and the lower section 412 of the C-shaped main body 41 of this variation are both arc-shaped, which is the same as the first embodiment.

Referring to fig. 12, a fifth variation of the present embodiment is substantially the same as the third variation of the present embodiment, but the difference is that the lower contact portion 43 of the present variation is connected to a larger solder ball.

Referring to fig. 12A, a sixth variation of this embodiment is substantially the same as the third variation of this embodiment, except that two sides of the insulation sheet 50 of this variation are not aligned with the insulation seat 30

Referring to fig. 13 and 14, a seventh variation of the present embodiment is substantially the same as the first embodiment, except that the insulating base 30 of the present variation is configured as an upper and a

lower bases

35, 36 which are overlapped up and down, the upper base 35 is formed with the top surfaces of the plurality of terminal slots 31, the lower base 36 is formed with the bottom surfaces of the plurality of terminal slots 31, and both the top and bottom surfaces of the plurality of terminal slots 31 are provided with through holes 311 for the upper and

lower contacts

421, 431 of the terminal 40 to pass through.

Referring to fig. 15, the upper and

lower contacts

421 and 431 are in a compressed state.

Referring to fig. 16 to 21, a DMD chip connector of the present embodiment is a DMD chip connector having an insulating base 30 and a plurality of terminals 40 according to a second embodiment of the present invention, wherein:

the insulating base 30 is substantially the same as the first embodiment, and is different in that the terminal groove 31 is open at the top and bottom, and has no top and bottom surfaces, and two side walls 312 of the terminal groove 31 are lower than the top end surface 34 of the insulating base 30.

The terminals 40 are fixed in the terminal slots 31 with low interference, the terminals 40 are formed by blanking metal plates, the terminals 40 are provided with a fixing portion 45, the fixing portion 45 is tightly pressed with two side walls 312 of the terminal slots 31, the fixing portion 45 is connected with an upward upper contact portion 42 and a downward lower contact portion 43, the upper contact portion 42 extends obliquely and protrudes out of the upper end face 34 of the insulating base 30 and can bounce up and down, the cross section of the upper contact portion 42 forms an upper contact 421, the upper contact 421 is located right above the terminal slot of the partition wall and is also provided with a guide angle, and the lower contact portion 43 is a solder ball protruding out of the lower end of the terminal slot.

Referring to fig. 20, in assembly, the terminal 40 is assembled by breaking the tape 100 when the fixing portion 45 is flush with the upper end surface 34, and then pressing the tape into position again.

The pitch of the terminals of this embodiment is 0.5mm, and the height of the insulative housing 30 is approximately 1.219mm or 1.6 mm.

Referring to fig. 18A, when the upper contact 421 of the terminal 40 is forced downward, the two side walls 312 are lower than the upper end surface 34, so the upper contact portion 42 can still be sprung downward, and the upper contact portion 42 extends obliquely to a position right above the terminal slot of the partition wall, so that it has a longer spring arm and a better spring effect.

Referring to fig. 22, a first variation of the present embodiment is substantially the same as the second embodiment, but the difference is that the fixing portion 45 of the terminal of the present variation is inclined to the pre-cut portion 101 of the tape.

Referring to fig. 23 to 24, a second variation of the present embodiment is similar to the second embodiment, and the difference is that a connecting piece 453 is bent at 90 degrees at one side of the fixing portion 45 of the terminal 40 of the present variation, and the connecting piece 453 is bent to extend in an L shape to be right below the terminal slot of the partition wall to be fastened with the lower contact portion 43, which is a solder ball, so that the lower contact 431 of the lower contact portion 43 can be vertically aligned with the upper contact 421.

Referring to fig. 25, a third variation of this embodiment is substantially the same as the second variation of this embodiment, but the difference is that the fixing portion 45 of the terminal 40 of this variation is bent by a step 455, so that the upper contact 421 is vertically aligned with the center of the lower contact 43.

Referring to fig. 26, a fourth variation of this embodiment is substantially the same as the second variation of this embodiment, except that the connecting piece 453 of the terminal 40 of this variation is bent to have a short horizontal length, and is connected to the lower contact portion 43 of the solder ball by applying a solder paste 438.

Referring to fig. 27 to 31, a DMD chip connector of the third embodiment of the present invention is provided with an insulating base 30, a plurality of terminals 40 and an insulating plate 50, which is substantially the same as the first embodiment except that the terminal pitch of the terminals of this variation is 0.7424mm, and the number of terminals is 54, wherein:

the height of the insulating base 30 is approximately 1.219mm and 1.6mm, the insulating base 30 is rectangular, a transparent area 37 is provided in the center, a plurality of terminal slots 31 are obliquely arranged in the left and right side areas of the transparent area 37, each terminal slot 31 is open at the lower part and is provided with a top surface 315, the top surface 315 is provided with a through hole 311, each terminal slot 31 is rectangular when viewed from the top, two long walls 31d and two short walls 31e are provided, the middle section of one long wall 31d is provided with a concave portion 317, the middle section of the terminal slot 31 is a wide slot, and the left and right sides of the insulating base 30 are respectively provided with a through hole 32 and a convex column 33.

Since the middle section of the terminal slot 31 is a wide slot, the plurality of terminal slots 31 can be easily manufactured during plastic injection molding.

The terminals 40 are assembled and fixed to the terminal slots 31 from the bottom of the insulating base 30, the terminals 40 are integrally formed with a fixing portion 45 and a turning portion 405 by blanking a metal plate, the fixing portion 45 is a plate body, a transverse protrusion 454 is formed on the plate surface of the fixing portion 45 by stamping and protruding, so that the plate surface of the fixing portion 45 abuts against a long wall 31d and the protrusion 454 abuts against the other long wall 31d, the fixing portion 45 is approximately as long as the terminal slots 31, a protruding tightening portion 455 is formed on one side of the fixing portion 45 to tighten with a short wall 31e, the height of the fixing portion 45 is slightly lower than the height of the terminal slots 31, and the upper end of the fixing portion 45 abuts against the top surface 315 of the terminal slots 31; the bending portion 405 is provided with a bending plate 410, an upper elastic portion 48 extending to bend upwards and a lower elastic portion 49 extending to bend downwards, the bending shape of the bending portion 405 is formed by blanking a metal plate, the bending plate 410 is connected to one side of the fixing portion 45 and bent 180 degrees to make the plate surface of the bending portion 405 fold or parallel to the plate surface of the fixing portion 45, the upper elastic portion 48 is C-shaped and is formed with a double elastic power arm, one end of the upper elastic portion 48 is connected to the upper end of the bending plate 410 and the other end is connected to an upper contact portion 42, the upper contact portion 42 passes through the through hole 311 of the top surface 315 at the upper end of the terminal groove 31, the upper end of the upper contact portion 42 is a cut surface to form an upper contact 421, the upper contact 421 is provided with a lead angle 422, the lower elastic portion 49 is C-shaped and is formed with a double elastic power arm, one end of the lower elastic portion 49 is connected to the lower end of the bending plate 410 and the other end is connected to a lower contact 43, the lower contact portion 43 passes through the lower end of the terminal slot 31, the lower end of the lower contact portion 43 is a cut surface to form a lower contact 431, the plurality of terminals 40 are formed by blanking and punching a metal plate, and the lower end of the fixing portion 45 of each terminal is connected to a material strip 100.

By connecting the turning part 405 to one side of the fixing part 45 and turning 180 degrees, the plate surface of the turning part 405 is folded or parallel to the plate surface of the fixing part 45, so the following advantages can be obtained:

1. the fixing portion 45 has a larger plate surface and can be abutted against and positioned on the four wall surfaces of the terminal groove.

2. The turning part 405 has enough plate surface to form the upper spring part 48 and the lower spring part 49, so as to have better spring effect.

3. The bent shape of the turning part 405 is formed by blanking a metal plate to form an upper spring part 48 and a lower spring part 49, so that the protruding height position of the upper and lower contact points 421, 431 can be easily controlled.

Referring to fig. 32, a first variation of this embodiment is substantially the same as the third embodiment, but the difference is that the connection 401 between the upper and

lower contact portions

42, 43 and the upper and lower

elastic portions

48, 49 of the terminal 40 of this variation is at an angle of 90 degrees, so as to enhance the strength of the upper and

lower contact portions

42, 43.

Please refer to fig. 33, which is a second variation of the present embodiment, and is substantially the same as the second embodiment, the difference between the second variation is that the upper elastic portion 48 of the terminal 40 is connected to a downward limiting protrusion 402, the lower elastic portion 49 is connected to an upward limiting protrusion 402, and when the upper and lower

elastic portions

48, 49 are elastically moved, the two limiting protrusions 402 can be abutted against the bending plate 410.

Please refer to fig. 34, which is a third variation of this embodiment, and is substantially the same as the third embodiment, the difference is that the bending plate 410 of the terminal 40 of this variation is divided into two sections, the upper and lower

elastic portions

48 and 49 are connected by a material bridge 103, and the material bridge 103 is cut off when the bending portion 405 is bent 180 degrees to make the plate surface of the bending portion 405 folded or parallel to the plate surface of the fixing portion 45.

Referring to fig. 35, a fourth variation of this embodiment is substantially the same as the third embodiment, except that a plurality of terminal grooves 31 are arranged in a straight direction.

Please refer to fig. 36 and fig. 37, which are a fifth variation of the present embodiment, and are substantially the same as the fourth variation of the second embodiment, the difference is that the upper and lower elastic moving

parts

48, 49 of the terminal 40 of the present variation are substantially L-shaped dual elastic power arms and are connected by a material bridge 103, and similarly, when the turning part 405 is turned 180 degrees to make the plate surface of the turning part 405 folded or parallel to the plate surface of the fixing part 45, the material bridge 103 is cut off, and in addition, a plate is connected to one side of the upper and lower sections of the fixing part, the two plate pieces are turned 180 degrees to make the plate surface folded or parallel to the plate surface of the fixing part 45 to form two convex parts 454, and the two convex parts 454 are also abutted against a long wall of the terminal slot.

Please refer to fig. 38 and fig. 39, which are a sixth variation of this embodiment, and substantially the same as the third embodiment, the difference is that the terminal 40 of this variation is integrally formed with a fixing portion 45 and a turning portion 405, the fixing portion 45 is a plate body, the plate surface of the fixing portion 45 is stamped and protruded with a protrusion 454, and one side of the plate surface is bent by 90 degrees to form a protrusion 454, so that the plate surface of the fixing portion 45 abuts against a long wall 31d (see fig. 27A) of the terminal slot 31, and the two protrusions 454 abut against the other long wall 31d, the fixing portion 45 is substantially equal in length to the terminal slot 31, two sides of the fixing portion 45 are tightly fitted with two short walls 31e, the height of the fixing portion 45 is slightly lower than the height of the terminal slot 31, and the upper end of the fixing portion 45 abuts against the top surface of the terminal slot 31; the bending portion 405 has a bending plate 410, an upper elastic portion 48 extending in an upward bending manner and a lower elastic portion 49 extending in a downward bending manner, the bending plate 410 is connected to one side of the fixing portion 45 and is bent 90 degrees so that the plate surface of the bending portion 405 is perpendicular to the plate surface of the fixing portion 45, the upper elastic portion 48 extends in an upward bending manner, one end of the upper elastic portion 48 is connected to the upper end of the bending plate 410 and the other end thereof is connected to an upper contact portion 42, the upper contact portion 42 passes through the through hole of the top surface of the terminal groove, the uppermost end of the plate surface of the upper contact portion 42 forms an upper contact 421, the lower elastic portion 49 extends in a downward bending manner, one end of the lower elastic portion 49 is connected to the lower end of the bending plate 410 and the other end thereof is connected to a lower contact portion 43, the lower contact portion 43 passes through the terminal groove 31, and the uppermost end of the lower contact portion 43 forms a lower contact 431.

Referring to fig. 40, a seventh variation of this embodiment is substantially the same as the third embodiment, and the difference is that the terminal slot of this variation has open upper and lower ends and has a slightly narrower upper section to form a stop surface 318, the stop surface 318 is an inclined surface, the fixing portion 45 of the terminal 40 has a slightly narrower lower section to form a stop surface 456, the stop surface 456 is an inclined surface, when the terminal 40 is installed from the upper end of the terminal slot 31, the stop surface 456 of the terminal 40 can abut against the stop surface 318 of the terminal slot.

Referring to fig. 41 to 43, an eighth variation of the present embodiment is similar to the seventh variation of the third embodiment, and the difference is that the upper and lower

elastic parts

48 and 49 of the terminal 40 of the present variation are substantially L-shaped, the upper and lower ends of the terminal slot of the terminal of the present variation are open, the upper section of the terminal slot is slightly narrower than the lower section of the terminal slot to form a stop surface 318, the stop surface 318 is an inclined surface, the upper section of the fixing part 45 of the terminal 40 is slightly narrower than the lower section of the terminal slot to form a stop surface 456, the stop surface 456 is an inclined surface, and when the terminal 40 is installed from the lower end of the terminal slot 31, the stop surface 456 of the terminal 40 can abut against the stop surface 318 of the terminal slot.

Referring to fig. 44, a ninth variation of the present embodiment is substantially the same as the eighth variation of the third embodiment, and the difference is that the upper and lower

resilient portions

48, 49 of the terminal 40 of this variation are substantially curved.

Referring to fig. 45, a tenth variation of the present embodiment is substantially the same as the third embodiment, but the difference is that the height of the insulating base 30 of the present variation is larger, the terminal groove 31 is deeper, the terminal 40 is thin and tall, and the upper and lower

elastic portions

48, 49 are two elastic arms extending in the vertical direction.

Referring to fig. 46, an eleventh variation of the present embodiment is similar to the tenth variation of the third embodiment, and the difference is that the upper and lower

resilient portions

48, 49 of the terminal 40 of the present variation extend in a substantially oblique direction.

Referring to fig. 47, a twelfth variation of the present embodiment is substantially the same as the tenth variation of the third embodiment, except that the terminal slot 31 of the present variation is opened at the top and bottom, and substantially the eighth variation, the stop surface of the terminal 40 can stop against the stop surface of the terminal slot.

Referring to fig. 48, a thirteenth modification of the present embodiment is similar to the twelfth modification of the third embodiment, and the difference is that the upper and lower

resilient portions

48, 49 of the terminal 40 of this modification are dual resilient arms extending in a substantially oblique direction.

Please refer to fig. 49, which is a fourteenth implementation of the present embodiment, and is substantially the same as the thirteenth implementation of the third embodiment.

Referring to fig. 50, a fifteenth modification of the present embodiment is similar to the fourteenth modification of the third embodiment, and the difference is that the terminal slot 31 of the present modification is lower than the upper surface 307 of the insulating base 30 and higher than the lower surface 308 of the insulating base 30.

Referring to fig. 51, a sixteenth modification of the present embodiment is substantially the same as the third embodiment, except that the terminal groove 31 of the present modification is provided with a bottom 316 and an upper end is opened.

The terminals 40 are assembled and fixed in the terminal slots 31 from the upper surface of the insulating base 30, the terminals 40 are integrally provided with a fixing portion 45 and a turning portion 405, the fixing portion 45 is a plate body, the fixing portion 45 is fixed with the terminal slots 31, and the lower end of the fixing portion 45 is leaned against the bottom surface 316; the bending portion 405 is provided with a bending plate 410 and an upper elastic portion 48 extending upwards in a bending manner, the bending shape of the bending portion 405 is formed by blanking a metal plate, the bending plate 410 is connected to one side of the fixing portion 45 and is bent 180 degrees to make the plate surface of the bending portion 405 folded or parallel to the plate surface of the fixing portion 45, the upper elastic portion 48 is in a U shape extending obliquely and is formed with a double elastic power arm, one end of the upper elastic portion 48 is connected to the upper end of the bending plate 410 and the other end is connected to an upper contact portion 42, the upper contact portion 42 protrudes the upper end of the terminal groove 31 and is located above the adjacent terminal groove, the upper end of the upper contact portion 42 is in a cross section to form an upper contact 421, the upper contact 421 is provided with a guide angle 422, the lower elastic portion 49 is in a C shape, one end of the lower elastic portion 49 is connected to the lower end of the bending plate 410 and the other end is connected to a lower contact portion 43, the lower contact portion 43 penetrates downwards through the terminal groove 31, the lower end of the lower contact portion 43 is formed with a lower contact 431 in a cut surface,

a90 degree connecting piece 453 is bent at one side of the fixing portion 45, the connecting piece 453 is bent to extend to a solder ball groove 319 below the terminal groove 31 of the partition wall in an L shape and is buckled with a solder ball positioned in the solder ball groove 319, the solder ball is a lower contact portion 43, so that the lower contact 431 of the lower contact portion 43 can be vertically aligned with the upper contact 421.

Referring to fig. 52, a seventeenth variation of the present embodiment is substantially the same as the third embodiment, except that the insulation base 30 of the present variation is provided with a lower cover 306 covering the lower surface.

In each of the above embodiments, as shown in fig. 4, the upper contact 421 is provided with a chamfer 422.

The structural features of the embodiments of the present invention can be applied to be mutually crossed, and two or more than two additive combinations of the structural features can be applied to the embodiments, and for the purpose of clearly describing the structural features of the present patent, the drawings of the above-mentioned structural features, which are mutually crossed and combined or similar additive combinations of the structural features, are not added, and are thus described.

Referring to FIG. 53, a fourth embodiment of the present invention is a notebook computer 510, in which the chip connectors as described in the first to third embodiments can be installed.

Referring to fig. 54, a fifth embodiment of the present invention is a server 520, in which the chip connectors as described in the first to third embodiments can be installed.

Referring to fig. 55, a projector 530 according to a sixth embodiment of the present invention is shown, in which the chip connectors according to the first to eighth embodiments can be disposed.

Referring to FIG. 56, a seventh embodiment of the present invention is a personal desktop computer 540, in which the chip connectors as described in the first to third embodiments can be installed.

In addition to the above, the chip connector according to the embodiments of the present invention may also be disposed in and connected to various types of devices, such as a notebook computer, a tablet computer, a mobile phone, various projection devices, various wireless chargers, various wireless devices, a set-top box, a server, a desktop computer, various mobile portable electronic devices, a television, a game machine, various electronic contest devices, various audio/video devices, various electronic components, various AR or VR electronic devices, or various other applicable or applicable electronic devices.

The particular embodiments set forth in the detailed description of the preferred embodiments are presented for purposes of illustration only and are not intended to limit the invention to the particular embodiments disclosed, as numerous variations are possible without departing from the spirit of the invention and scope of the following claims.

Claims

A wafer connector, comprising:

an insulating base body, which is provided with a plurality of terminal grooves, and each terminal groove is provided with a bottom surface;

a plurality of terminals, wherein the terminals are positioned in the terminal grooves, each terminal is formed by blanking a metal sheet, the terminal is provided with a C-shaped main body, two ends of the C-shaped main body are respectively connected with an upward contact part and a downward contact part, the section of the upper contact part forms an upper contact, the section of the lower contact part forms a lower contact, and the lower contact passes through the through hole of the bottom surface; and

an insulating sheet, which is provided with a plurality of through holes matching with the plurality of terminal slots, the length of each through hole is shorter than that of each terminal slot, the insulating sheet is fixed on the insulating base body in an attaching way and covers most of the length of the plurality of terminal slots, and the C-shaped main body of the terminal is propped against one side and the bottom surface of the terminal slot and the insulating sheet.
A wafer connector, comprising:

an insulating base body provided with a plurality of terminal grooves;

the terminals are positioned in the terminal grooves, each terminal is integrally formed with a fixing part and a turning part in a metal sheet blanking mode, the fixing part is a plate body, and the fixing part is fixed with the terminal grooves; the bending part is provided with a bending plate, an upper elastic part which bends and extends upwards and a lower elastic part which bends and extends downwards, the bending plate is connected to one side of the fixing part and bends 90 degrees or 180 degrees to enable the plate surface of the bending part to be vertical or parallel to the plate surface of the fixing part, one end of the upper elastic part is connected to the bending plate and the other end of the upper elastic part is connected with an upper contact part, the upper contact part penetrates through the upper end of the terminal groove, one end of the lower elastic part is connected to the bending plate and the other end of the lower elastic part is connected with a lower contact part, and the lower contact part penetrates through the lower end of the terminal groove.
The wafer connector as recited in claim 1 or 2, wherein the plurality of terminal slots are arranged in a diagonal direction.
The chip connector as claimed in claim 2, wherein the bending plate is connected to one side of the fixing portion and is bent 180 degrees such that the plate surface of the bending portion is parallel to the plate surface of the fixing portion, and the upper elastic portion and the lower elastic portion are bent in a shape of a metal plate.
The chip connector as recited in claim 4, wherein the upper spring portion and the lower spring portion are C-shaped.