CN1901288A - Electric connector terminal - Google Patents
Electric connector terminal Download PDFInfo
- Publication number
- CN1901288A CN1901288A CNA2005100411550A CN200510041155A CN1901288A CN 1901288 A CN1901288 A CN 1901288A CN A2005100411550 A CNA2005100411550 A CN A2005100411550A CN 200510041155 A CN200510041155 A CN 200510041155A CN 1901288 A CN1901288 A CN 1901288A
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- CN
- China
- Prior art keywords
- base portion
- electric connector
- connector terminal
- bend
- extension
- Prior art date
- 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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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/50—Fixed connections
- H01R12/51—Fixed connections for rigid printed circuits or like structures
- H01R12/55—Fixed connections for rigid printed circuits or like structures characterised by the terminals
- H01R12/57—Fixed connections for rigid printed circuits or like structures characterised by the terminals surface mounting terminals
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- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
This invention relates to an electric connector terminal including a plate-like base part spreading vertically, a C-like bend part bending horizontally from the side edge, an elastic arm extending upward from the center of the top of the C-like bend part and a welding part at the bottom of the base part, a plate-like extending part of the bend part parallel to the base part is set at the side far away from the base part so as to adjust the impedance and improve the shielding function of the connector terminal.
Description
[technical field]
The present invention relates to a kind of electric connector terminal, refer to a kind of electric connector terminal that preferable electrical characteristic is provided especially.
[background technology]
Shape and structure according to wafer module conducting element, generally can be divided into needle-like grid array (Pin Grid Array in order to the electric connector of electrically accepting the wafer module, PGA) connector, ball-shaped grid array (Ball GridArray, BGA) connector and planar lattice array (Land Grid Array, LGA) connector.Correspondingly, be located in the electric connector, also be divided into PGA type terminal, BGA type terminal and LGA type terminal between two electrical interfaces with the electric connector terminal that signal transmission path is provided.
Prior art has disclosed multiple electric connector terminal, relevant patent sees also in the United States Patent (USP) the 6th of bulletin on February 10th, 2004,688, No. 893 and in the United States Patent (USP) the 6th of on December 14th, 2004 bulletin, 830, No. 471, arm and weld part that above-mentioned electric connector terminal generally comprises base portion and extends from the base portion both sides respectively.During use, the base portion of electric connector terminal is immobilizated in the terminal groove of insulating body, the arm of electric connector terminal, weld part respectively with the conducting element of wafer module, solder joint butt joint on the printed circuit board (PCB), thereby between wafer module and printed circuit board (PCB), form a bars transmission path.
In actual the use, in order to realize signal, the especially high-frequency signal stable transfer between wafer module and printed circuit board (PCB), the impedance of electric connector terminal should be mated with the impedance phase of wafer module conducting element, printed circuit board solder joint.But, there is following shortcoming at least in above-mentioned prior art electric connector terminal: the impedance of electric connector terminal only realizes by being provided with of mechanical properties such as base portion, arm and weld part part, be difficult to impedance matching with wafer module conducting element, printed circuit board solder joint, the electrical characteristic of electric connector terminal high-frequency signal transmission is poor, is easy to generate signal cross-talk between the adjacent electric connector terminal.
In view of above-mentioned drawback, a kind of new-type electric connector terminal of necessary design.
[summary of the invention]
The technical problem to be solved in the present invention provides a kind of electric connector terminal of tool good electrical characteristic, and it can form stable signal transmission path between two electrical interfaces.
For this reason, the invention provides a kind of in order to the electric connector terminal of signal transmission path to be provided between first electrical interface and second electrical interface, it be included in the base portion that extends between two electrical interfaces, from base portion one end to first docking section that first electrical interface extends and from the base portion other end to second docking section that second electrical interface extends, electric connector terminal is provided with at least one pair of laminated structure that is oppositely arranged.
With respect to prior art, electric connector terminal of the present invention has the following advantages at least: the laminated structure that is oppositely arranged can produce capacity effect in signals transmission, the impedance of scalable electric connector terminal whereby realizes the coupling between electric connector terminal impedance and the electrical interface impedance.In addition, laminated structure be oppositely arranged the shielding effect that can also improve electric connector terminal, what prevent that adjacent electric connector terminal from may occur in signals transmission crosstalks.
[description of drawings]
Come four embodiments of electric connector terminal of the present invention are described in further detail below in conjunction with accompanying drawing.
Fig. 1 is the schematic perspective view of electric connector terminal first execution mode of the present invention;
Fig. 2 is the partial top view after electric connector terminal shown in Figure 1 is mounted on insulating body;
Fig. 3 is the partial sectional view of electric connector shown in Figure 2 along the insulating body short transverse, and wherein dock with wafer module, printed circuit board (PCB) respectively at the two ends of electric connector terminal;
Fig. 4 is the cutaway view of electric connector shown in Figure 3 along A-A line direction;
Fig. 5 is the schematic perspective view of electric connector terminal second execution mode of the present invention;
Fig. 6 is the schematic perspective view of electric connector terminal the 3rd execution mode of the present invention;
Fig. 7 is the schematic perspective view of electric connector terminal the 4th execution mode of the present invention.
[embodiment]
Fig. 1 to Fig. 7 shows four embodiments of electric connector terminal of the present invention respectively, mainly is used to first electrical interface and second electrical interface, as providing signal transmission path between wafer module 27 and the printed circuit board (PCB) 28.
Describe each embodiment of electric connector terminal of the present invention in detail below in conjunction with accompanying drawing.
Fig. 1 shows first execution mode of the present invention, electric connector terminal 20 is one-body molded by metal sheet, it comprises base portion 22, from the bend 23 of base portion 22 lateral margin horizontal expansions, the extension 26 that is set in parallel away from base portion 22 1 ends and base portion 22 from the upwardly extending arm 24 of bend 23 tops central authorities, in bend 23, and the horizontal weld part 25 that forms by the bending of base portion 22 lower ends.
Please in conjunction with consulting Fig. 3, base portion 22 is en plaque and stretched flat vertically, and it is in being respectively equipped with some hangnails 220 near weld part 25 both sides.Base portion 22 1 lateral margin transverse curvature are provided with bend 23, and the projection of bend 23 on horizontal plane is " C " type.Bending is extended and to be provided with elastic arm 24 on the top mediad of " C " type bend 23, and elastic arm 24 is provided with arc-shaped contact part 240 in free end, with wafer module 27 on corresponding conducting element 270 butt joints." C " type bend 23 is in vertically being provided with extension 26 away from base portion 22 1 sides, extension 26 be en plaque and and base portion 22 be set in parallel.
Illustrate that below in conjunction with Fig. 2 to Fig. 4 the group of electric connector terminal 20 in insulating body 15 establish process, electric connector terminal 20 is implanted in the corresponding terminal groove 18 from top to bottom, its base portion 22 is resisted against on the rear wall (indicate) of terminal groove 18, the hangnail 220 that is positioned at base portion 22 both sides respectively with sidewall (the indicating) interference engagement of terminal groove 18.When electric connector 10 assemblings are finished, elastic arm 24 parts of electric connector terminal 20 are extended the continuing surface 150 of insulating body 15 and are stretched along the diagonal of terminal groove 18, plant in the tin ball 29 of weld part 25 and extend the installed surface 152 of insulating body 15 and be welded on the corresponding solder joint 280 of printed circuit board (PCB) 28.Please especially with reference to Fig. 4, when electric connector terminal 20 was mounted in the terminal groove 18 fully, all the get along well cell wall of terminal groove 18 of bend 23 and extension 26 contacted.
En plaque base portion 22 that be arranged in parallel and extension 26 can produce capacity effect in signals transmission, the impedance of scalable electric connector terminal 20 whereby, realize the impedance matching between electric connector terminal 20 and wafer module 27, the printed circuit board (PCB) 28, to satisfy the needs of high-frequency signal transmission; In addition, the shielding effect that be arranged in parallel and can also improve electric connector terminal 20 of en plaque base portion 22 and extension 26, what prevent that adjacent electric connector terminal 20 from may occur in signals transmission crosstalks.
Fig. 5 shows the stereogram of second embodiment of the invention electric connector terminal 30, the bend 33 that it is provided with vertically the plate-like base 32 that stretches, extend from base portion 32 1 side transverse curvature, from bend 33 upwardly extending elastic arms 34, and the horizontal weld part 35 that places base portion 32 lower ends.Elastic arm 34 from bend 33 away from base portion 32 1 side direction on bending extend, its end that freely suspends is provided with arc-shaped contact part 340.Base portion 32 is provided with some hangnails 320 near horizontal weld part 35 places, to stablize fixing electric connector terminal 30.Base portion 32 is in laterally being provided with connecting portion 36 with bend 33 relative lateral margins, and connecting portion 36 ends are provided with the straight plate-like extending portion 38 relative with bend 33, elastic arm 34 in vertical direction.En plaque extension 38 that is oppositely arranged and base portion 32, bend 33 can produce capacity effect in signals transmission, the needs of high-frequency signal transmission are satisfied in the impedance of scalable electric connector terminal 30 whereby; In addition, en plaque base portion 32 and extension 36 be oppositely arranged the shielding effect that can also improve electric connector terminal 30, what prevent that adjacent electric connector terminal 30 from may occur in signals transmission crosstalks.
Fig. 6 shows the schematic perspective view of third embodiment of the invention electric connector terminal 40, it is provided with the plate-like base 42 that stretches in vertical direction, base portion 42 1 side horizontal expansions are provided with bend 43, bend 43 is provided with elastic arm 44 in upwards bending away from base portion 42 1 ends, and the free end that suspends of elastic arm 44 is provided with arc-shaped contact part 440.The lower end of base portion 42 is bent into tabular horizontal weld part 45, and base portion 42 is respectively equipped with some hangnails 420 in the both sides near weld part 45.Horizontal weld part 45 extends upward and is provided with sheet extension 46, and the projection of extension 46 on horizontal plane is " L " type, and two bending edge 460,462 is oppositely arranged with base portion 42, bend 43 respectively.Can in signals transmission, produce capacity effect between sheet bending edge 460, the base portion 42 and between the sheet bending edge 462, bend 43, can adjust the impedance of electric connector terminal 40 whereby, improve the shielding effect of electric connector terminal 40, prevent the signal cross-talk in the signals transmission.
Fig. 7 shows the electric connector terminal 50 of four embodiment of the invention, and it is included in the plate-like base 52 of vertical direction extension, making progress away from base portion 52 1 ends from the bend 53 of base portion 52 1 side transverse curvature stretching, extension, from bend 53 bends the elastic arm 54 that extends and be positioned at elastic arm 54 free-ended arc-shaped contact part 540.The lower end of base portion 52 is through being bent to form horizontal weld part 55, and base portion 52 is respectively equipped with some hangnails 520 in the both sides of closing on weld part 52.The both side edges of weld part 55 vertical base portions 52 extends upward and is provided with pair of plate-shaped extension 56, and extension 56 vertically extends in parallel.The plate-like extending portion 56 that extends in parallel can produce capacity effect in signals transmission, the impedance of scalable electric connector terminal 50 whereby improves the shielding effect of electric connector terminal 50 when signal transmits.
Need to prove, though the present invention is that example describes with LGA type electric connector terminal only, but technological thought of the present invention is not limited to LGA type electric connector terminal, go for the electric connector terminal of other types equally, as BGA type electric connector terminal and PGA type electric connector terminal.In addition, in order to obtain better impedance matching between electric connector terminal and other electrical interfaces, can also adjust size, the shape of relative laminated structure or change two distances between the laminated structure.
Should be understood that; the above only is some preferred implementations of electric connector terminal of the present invention; for the person of ordinary skill of the art, other improvement made under the prerequisite that does not break away from the principle of the invention and distortion also should be considered as protection scope of the present invention.
Claims (8)
1. electric connector terminal, mainly being used to provides signal transmission path between first electrical interface and second electrical interface, it is included in the base portion that extends between two electrical interfaces, from base portion one end to first docking section that first electrical interface extends, and from second docking section of the base portion other end to the extension of second electrical interface, it is characterized in that: described electric connector terminal is provided with at least one pair of en plaque structure that is oppositely arranged, can produces capacity effect in signals transmission.
2. electric connector terminal according to claim 1, it is characterized in that: described first docking section comprises that described bend is in be provided with the en plaque extension that be arranged in parallel with base portion away from base portion one side from the arm of the bend of base portion lateral margin horizontal expansion and bending extension on the mediad of bend top.
3. electric connector terminal according to claim 2 is characterized in that: the projection of described bend on horizontal plane is " C " type substantially.
4. electric connector terminal according to claim 1, it is characterized in that: described first docking section comprises from the bend of base portion lateral margin horizontal expansion with from the bend arm that extends of bending upwards, the horizontal weld part of described second docking section for being formed by the terminal vertical bending of base portion, horizontal weld part extends upward to be provided with base portion, bend and is the en plaque extension that is oppositely arranged.
5. electric connector terminal according to claim 4 is characterized in that: described en plaque extension comprises two vertically disposed bending edges, and its projection on horizontal plane is " L " type.
6. electric connector terminal according to claim 1, it is characterized in that: described first contact site comprises from the bend of base portion one side horizontal expansion with from the bend elastic arm that extends of bending upwards, described base portion is provided with connecting portion in the horizontal expansion of bend opposite side, and the connecting portion end is provided with and bend, en plaque extension that elastic arm is relative along the base portion direction of extension.
7. electric connector terminal according to claim 1, it is characterized in that: the horizontal weld part of described second docking section for being formed by the terminal vertical bending of base portion, described weld part two opposite sides edge extends the plate-like extending portion that is provided with pair of parallel in the same way to upper edge base portion direction of extension.
8. according to any described electric connector terminal in 1 to 7 of the claim the, it is characterized in that: the size of described relative en plaque structure and shape can be adjusted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100411550A CN100440627C (en) | 2005-07-20 | 2005-07-20 | Electric connector terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100411550A CN100440627C (en) | 2005-07-20 | 2005-07-20 | Electric connector terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1901288A true CN1901288A (en) | 2007-01-24 |
| CN100440627C CN100440627C (en) | 2008-12-03 |
Family
ID=37657079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100411550A Expired - Fee Related CN100440627C (en) | 2005-07-20 | 2005-07-20 | Electric connector terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100440627C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10103470B2 (en) | 2017-01-18 | 2018-10-16 | Lotes Co., Ltd. | Electrical connector |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI514682B (en) | 2013-05-30 | 2015-12-21 | Hon Hai Prec Ind Co Ltd | Electrical connector and method of making the same |
| CN108448284A (en) | 2018-02-06 | 2018-08-24 | 番禺得意精密电子工业有限公司 | Electric connector |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW547797U (en) * | 2002-01-11 | 2003-08-11 | Hon Hai Prec Ind Co Ltd | Socket connector |
| US6652329B1 (en) * | 2002-06-10 | 2003-11-25 | Hon Hai Precision Ind. Co., Ltd. | Terminals for an electrical socket |
| TW547801U (en) * | 2002-11-13 | 2003-08-11 | Hon Hai Prec Ind Co Ltd | Electrical connector |
| CN2706906Y (en) * | 2004-04-20 | 2005-06-29 | 富士康(昆山)电脑接插件有限公司 | Electric connector terminal |
-
2005
- 2005-07-20 CN CNB2005100411550A patent/CN100440627C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10103470B2 (en) | 2017-01-18 | 2018-10-16 | Lotes Co., Ltd. | Electrical connector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100440627C (en) | 2008-12-03 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| C14 | Grant of patent or utility model | ||
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Granted publication date: 20081203 Termination date: 20150720 |
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| EXPY | Termination of patent right or utility model |