CN104167629A - Electric connector - Google Patents
Electric connector Download PDFInfo
- Publication number
- CN104167629A CN104167629A CN201310184793.2A CN201310184793A CN104167629A CN 104167629 A CN104167629 A CN 104167629A CN 201310184793 A CN201310184793 A CN 201310184793A CN 104167629 A CN104167629 A CN 104167629A
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- CN
- China
- Prior art keywords
- contact
- groove
- flexible terminal
- electric connector
- pedestal
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The invention discloses an electric connector comprising a substrate and an elastic terminal. The electric connector is provided with a groove. The elastic terminal is connected to the substrate and extends to the groove. When a connecting point moves toward the groove, the connecting point can push the elastic terminal the elastic terminal to bend toward the bottom part of the groove. The electric connector can also comprise a contact protruding part which is connected to the elastic terminal. When the connecting point moves toward the groove, the connecting point pushes the contact protruding part, and therefore the elastic terminal can be enabled to bend toward the bottom part of the groove.
Description
Technical field
The present invention relates to a kind of electric connector, and particularly relate to one and be applicable to the electric connector of contact terminal (for example plane contact or bump bond).
Background technology
Electric connector is applied to two electrical connections between electronic installation conventionally, to reach signal transmission or supply of electric power.In semiconductive chip encapsulation technology field, pad lattice array (Land Grid Array, LGA) be a kind of having high density contacts type that is applied to line carrier plate, its by multiple plane crosspoint arrays be arranged in the bottom surface of line carrier plate, and these plane contacts can be electrically connected with the integrated circuit (IC) chip that is arranged on line carrier plate end face mutually via the internal wiring of line carrier plate.
For the line carrier plate of LGA type is mounted to circuit board, existingly adopt special electric connector kenel, it by arranging multiple flexible terminals of bending upward on pedestal, in order to accept respectively these plane connection pads of mobile line carrier plate down, thereby reach being electrically connected of line carrier plate and electric connector.In order to ensure contacting between flexible terminal and plane contact, flexible terminal must provide elastic force required form with bending upward by machining, and forms arcuation with contact plane connection pad at the end of flexible terminal.
Summary of the invention
The object of the present invention is to provide a kind of electric connector, in order to contact in electrical contact.
For reaching above-mentioned purpose, a kind of electric connector of the present invention, is suitable for contacting a contact.Electric connector comprises a pedestal, a flexible terminal and a contact protuberance.Pedestal has a groove.Flexible terminal is connected to pedestal and extends to groove.Contact protuberance is connected to flexible terminal.When contact is in the time that groove moves, contact energy ejection contact protuberance makes the bottom bend of flexible terminal towards groove.
A kind of electric connector of the present invention, is suitable for contacting a contact.Electric connector comprises a pedestal and a flexible terminal.Pedestal has a groove.Flexible terminal is connected to pedestal and extends to groove.When contact is in the time that groove moves, contact energy ejection flexible terminal is towards the bottom bend of groove.
Based on above-mentioned, in electric connector of the present invention, on pedestal, form groove and make flexible terminal extend to groove.Therefore, when flexible terminal is for example, during by contact (bump bond) ejection, flexible terminal can be towards the bottom bend of groove, therefore the elastic force that can produce after distortion by flexible terminal is guaranteed the contact between flexible terminal and corresponding contact.In addition, electric connector more can have a contact protuberance, and it is disposed on flexible terminal, for example, in order to contact terminal (plane contact or bump bond).
For above-mentioned feature and advantage of the present invention can be become apparent, special embodiment below, and coordinate appended accompanying drawing to be described in detail below.
Brief description of the drawings
Fig. 1 is the partial top view of a kind of electric connector of one embodiment of the invention;
Fig. 2 is the cutaway view of multiple electric connectors I-I along the line of Fig. 1;
Fig. 3 A is these electric connectors of Fig. 2 cutaway views before contact plane contact;
Fig. 3 B is these electric connectors of Fig. 2 cutaway views after contact plane contact;
Fig. 4 is the partial top view of a kind of electric connector of another embodiment of the present invention;
Fig. 5 is the cutaway view of multiple electric connectors II-II along the line of Fig. 4;
Fig. 6 A is these electric connectors of Fig. 5 cutaway views before contact tab contact;
Fig. 6 B is these electric connectors of Fig. 5 cutaway views after contact tab contact.
Symbol description
50,60: line carrier plate
52: plane contact
62: bump bond
100,200: electric connector
110,210: pedestal
112,212: groove
114a, 214a: core layer
114b, 214b: dielectric layer
114b-1,214b-1: opening
114c, 214c: conductive pole
114d, 214d: cover layer
120,220: flexible terminal
120a, 220a: stiff end
120b, 220b: free end
130: contact protuberance
140,240: conductive layer
150,250: protective layer
Embodiment
Fig. 1 is the partial top view of a kind of electric connector of one embodiment of the invention, and Fig. 2 is the cutaway view of multiple electric connectors I-I along the line of Fig. 1.Please refer to Fig. 1 and Fig. 2, the electric connector 100 of the present embodiment is suitable for contacting one or more plane contact (being the plane contact 52 of the line carrier plate 50 of Fig. 3 A).Electric connector 100 comprises a pedestal 110, one or more flexible terminal 120 and one or more contact protuberance 130.Pedestal 110 has one or more groove 112.Each flexible terminal 120 is connected to pedestal 110 and extends to corresponding groove 112.Each flexible terminal 120 has elasticity and can conductivity.Each contact protuberance 130 is disposed on corresponding flexible terminal 120.In the present embodiment, each flexible terminal 120 can flatly extend to corresponding groove 112.
Fig. 3 A is these electric connectors of Fig. 2 cutaway views before contact plane contact, and Fig. 3 B is these electric connectors of Fig. 2 cutaway views after contact plane contact.Please refer to Fig. 3 A and Fig. 3 B, when these plane contacts 52 of line carrier plate 50 are in the time that these grooves 112 move, these plane contacts 52 can be distinguished these contact protuberances 130 of ejection, make the bottom bend of each flexible terminal 120 towards corresponding groove 112, therefore can guarantee the contact between flexible terminal 120 and corresponding plane contact 52 by flexible terminal 120 elastic force that produce after distortion.
Please refer to Fig. 1 and Fig. 2, in the present embodiment, pedestal 110 can be a printed circuit board (PCB), and the material of flexible terminal 120 can comprise copper.Particularly, pedestal 110 and flexible terminal 120 can be made by traditional printed circuit board (PCB) manufacturing technology.Therefore, pedestal 110 can comprise a core layer 114a, a dielectric layer 114b, one or more conductive pole 114c and a cover layer 114d, and opening 114b-1 and the core layer 114a of its dielectric layer 114b have formed groove 112.Can carry out patterning one by etching and etch mask and be configured in copper layer on dielectric layer 114b (not indicating) to form flexible terminal 120, or with mould punching metal forming pressing again (pasting) to dielectric layer 114b with form flexible terminal 120, therefore the thickness of flexible terminal 120 can be as small as 0.05mm, and can be in the scope of 0.01mm to 0.2mm.Can adjust according to required elastic force and contact area thickness and the length of flexible terminal 120.
One stiff end 120a of flexible terminal 120 is connected to pedestal 110, and conductive pole 114c can be connected to the stiff end 120a of flexible terminal 120.Cover layer 114d can cover the stiff end 120a of dielectric layer 114b and flexible terminal 120.Flexible terminal 120 has more a free end 120a, and it is positioned at groove 112, and 130 of protuberances of contact are at free end 120a.Contact protuberance 130 with respect to groove 112 higher than cover layer 114d.It should be noted that and the invention is not restricted to make pedestal 110 and flexible terminal 120 with printed circuit board (PCB) manufacturing technology, also can otherwise make.
Please refer to Fig. 1 and Fig. 2, in the present embodiment, it is for example nickel dam that electric connector 100 also has a conductive layer 140(), it is configured on the contact protuberance 130 of flexible terminal 120 and correspondence.When the plane contact 52 of Fig. 3 A or Fig. 3 B is when contacting protuberance 130 and be in contact with one another, plane contact 52 can be electrically connected with flexible terminal 120 by the conductive layer 140 on contact protuberance 130.Contact protuberance 130 can be made and have elasticity by elastomeric material, to guarantee that plane contact 52 exists good contact with contacting between protuberance 130.In addition, on conductive layer 140, also a configurable protective layer 150(is for example gold layer), the region that it contacts with plane contact 52 at contact protuberance 130, to improve durability.In another embodiment, when the material of contact protuberance 130 has conductivity and the plane contact 52 of Fig. 3 A or Fig. 3 B can be electrically connected to flexible terminal 120 time, can omit conductive layer 140.
Above-described embodiment is to be applied to contacting of flexible terminal and plane contact.In the present invention, similar concept can be applicable to contacting of flexible terminal and bump bond, below will propose another embodiment and illustrate.
Fig. 4 is the partial top view of a kind of electric connector of another embodiment of the present invention, and Fig. 5 is the cutaway view of multiple electric connectors II-II along the line of Fig. 4.Please refer to Fig. 4 and Fig. 5, the electric connector 200 of the present embodiment is suitable for contacting one or more bump bond (being the bump bond 62 of the line carrier plate 60 of Fig. 6 A), and wherein the shape of bump bond is for example spherical, column or taper etc.Electric connector 200 comprises a pedestal 210 and one or more flexible terminal 220.Pedestal 210 has one or more groove 212.Each flexible terminal 220 is connected to pedestal 210 and extends to corresponding groove 212.Flexible terminal 220 has elasticity and can conductivity.In the present embodiment, each flexible terminal 120 flatly extends to corresponding groove 112.
Fig. 6 A is these electric connectors of Fig. 5 cutaway views before contact tab contact, and Fig. 6 B is these electric connectors of Fig. 5 cutaway views after contact tab contact.Please refer to Fig. 6 A and Fig. 6 B, when these bump bond 62 of line carrier plate 60 are in the time that these grooves 212 move, these bump bond 62 can be distinguished these flexible terminals 220 of ejection, make the bottom bend of each flexible terminal 220 towards corresponding groove 212, therefore can guarantee the contact between flexible terminal 220 and corresponding bump bond 62 by flexible terminal 220 elastic force that produce after distortion.
Please refer to Fig. 4 and Fig. 5, in the present embodiment, pedestal 210 can be a printed circuit board (PCB), and the material of flexible terminal 220 can comprise copper.Particularly, pedestal 210 and flexible terminal 220 can be made by traditional printed circuit board (PCB) manufacturing technology.Therefore, pedestal 210 can comprise a core layer 214a, a dielectric layer 214b, one or more conductive pole 214c and a cover layer 214d, and opening 214b-1 and the core layer 214a of its dielectric layer 214b have formed groove 212.Can carry out patterning one by etching and etch mask and be configured in copper layer on dielectric layer 214b (not indicating) to form flexible terminal 220, or with mould punching metal forming pressing again (pasting) dielectric layer 214b with form flexible terminal 220, therefore the thickness of flexible terminal 220 can be as small as 0.05mm, and can be in the scope of 0.01mm to 0.2mm.Can adjust according to required elastic force and contact area thickness and the length of flexible terminal 220.
One stiff end 220a of flexible terminal 220 is connected to pedestal 210, and conductive pole 214c can be connected to the stiff end 220a of flexible terminal 220.Cover layer 214d can cover the stiff end 220a of dielectric layer 214b and flexible terminal 220.Flexible terminal 220 also has a free end 220a, and it is positioned at groove 212.In addition, in the present embodiment, it is for example nickel dam that electric connector 200 also has a conductive layer 240() and a protective layer 250(be for example gold layer), it is configured on flexible terminal 220, to improve durability.Conductive layer 240 is conducive to protective layer 250 and is attached on flexible terminal 220.In the embodiment not illustrating at another, also matcoveredn 250 only, and there is no conductive layer 240.It should be noted that and the invention is not restricted to make pedestal 210 and flexible terminal 220 with printed circuit board (PCB) manufacturing technology, also can otherwise make.
In sum, in electric connector of the present invention, on pedestal, form groove and make flexible terminal extend to groove.Therefore, when flexible terminal is for example, during by contact (bump bond) ejection, flexible terminal can be towards the bottom bend of groove, therefore the elastic force that can produce after distortion by flexible terminal is guaranteed the contact between flexible terminal and corresponding contact.In addition, electric connector also can have a contact protuberance, and it is disposed on flexible terminal, for example, in order to contact terminal (plane contact or bump bond).
Although disclose the present invention in conjunction with above embodiment; but it is not in order to limit the present invention; under any, in technical field, be familiar with this operator; without departing from the spirit and scope of the present invention; can do a little change and retouching, thus protection scope of the present invention should with enclose claim was defined is as the criterion.
Claims (14)
1. an electric connector, is suitable for contacting a contact, and this electric connector comprises:
Pedestal, has a groove;
Flexible terminal, is connected to this pedestal and extends to this groove; And
Contact protuberance, is connected to this flexible terminal, and wherein when this contact is in the time that this groove moves, this this flexible terminal of contact energy ejection is towards the bottom bend of this groove.
2. electric connector as claimed in claim 1, wherein this pedestal also comprises cover layer, and this contact protuberance with respect to this groove higher than this cover layer, this contact is a plane contact, when this plane contact is in the time that this groove moves, this this contact protuberance of plane contact energy ejection makes the bottom bend of this flexible terminal towards this groove.
3. electric connector as claimed in claim 1, wherein this pedestal also comprises cover layer, and this contact protuberance with respect to this groove lower than this cover layer, this contact is a bump bond, when this bump bond is in the time that this groove moves, this this contact protuberance of bump bond energy ejection makes the bottom bend of this flexible terminal towards this groove.
4. electric connector as claimed in claim 1, wherein this pedestal is a printed circuit board (PCB), and the material of this flexible terminal comprises copper.
5. electric connector as claimed in claim 1, wherein this flexible terminal has a stiff end and a free end, and this stiff end is connected to this pedestal, and this free end is positioned at this groove, and this contact protuberance position is at this free end.
6. electric connector as claimed in claim 1, wherein this contact protuberance has conductivity.
7. electric connector as claimed in claim 1, also comprises:
Conductive layer, is configured on this flexible terminal and this contact protuberance.
8. electric connector as claimed in claim 7, also comprises:
Protective layer, is configured on this conductive layer, and a region contacting with this plane contact at this contact protuberance.
9. electric connector as claimed in claim 7, wherein this contact protuberance has elasticity.
10. an electric connector, is suitable for contacting a contact, and this electric connector comprises:
Pedestal, has a groove; And
Flexible terminal, is connected to this pedestal and extends to this groove, and wherein when this contact is in the time that this groove moves, this this flexible terminal of contact energy ejection is towards the bottom bend of this groove.
11. electric connectors as claimed in claim 10, wherein this contact is a bump bond, when this bump bond is in the time that this groove moves, this this flexible terminal of bump bond energy ejection is towards the bottom bend of this groove.
12. electric connectors as claimed in claim 10, wherein this pedestal is a printed circuit board (PCB), and the material of this flexible terminal comprises copper.
13. electric connectors as claimed in claim 10, wherein this flexible terminal has stiff end and free end, and this stiff end is connected to this pedestal, and this free end is positioned at this groove.
14. electric connectors as claimed in claim 10, also comprise:
Protective layer, is configured on this flexible terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310184793.2A CN104167629A (en) | 2013-05-17 | 2013-05-17 | Electric connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310184793.2A CN104167629A (en) | 2013-05-17 | 2013-05-17 | Electric connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104167629A true CN104167629A (en) | 2014-11-26 |
Family
ID=51911343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310184793.2A Pending CN104167629A (en) | 2013-05-17 | 2013-05-17 | Electric connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104167629A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110649445A (en) * | 2018-06-27 | 2020-01-03 | 欣兴电子股份有限公司 | Method for manufacturing connector structure |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7317322B2 (en) * | 1999-03-10 | 2008-01-08 | Micron Technology, Inc. | Interconnect for bumped semiconductor components |
| CN101582397A (en) * | 2008-05-16 | 2009-11-18 | 精材科技股份有限公司 | Semiconductor device and manufacturing method thereof |
-
2013
- 2013-05-17 CN CN201310184793.2A patent/CN104167629A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7317322B2 (en) * | 1999-03-10 | 2008-01-08 | Micron Technology, Inc. | Interconnect for bumped semiconductor components |
| CN101582397A (en) * | 2008-05-16 | 2009-11-18 | 精材科技股份有限公司 | Semiconductor device and manufacturing method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110649445A (en) * | 2018-06-27 | 2020-01-03 | 欣兴电子股份有限公司 | Method for manufacturing connector structure |
| CN110649445B (en) * | 2018-06-27 | 2021-02-26 | 欣兴电子股份有限公司 | Method for manufacturing connector structure |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20141126 |