CN102544804B - Electric connector and manufacture method thereof - Google Patents
Electric connector and manufacture method thereof Download PDFInfo
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- CN102544804B CN102544804B CN201010591391.0A CN201010591391A CN102544804B CN 102544804 B CN102544804 B CN 102544804B CN 201010591391 A CN201010591391 A CN 201010591391A CN 102544804 B CN102544804 B CN 102544804B
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Abstract
The invention provides a kind of making method for electric connector, comprise the following steps: a metal material belt is provided, and on metal material belt shaping some bottom electrodes; The one-body molded insulating body with some through holes on the bottom electrode, and make the end of bottom electrode stretch into through hole bottom; Above insulating body, configure some top electrodes corresponding with through hole, and instill the appropriate dispersion liquid containing carbon nanotube powder respectively in each through hole; Between metal material belt, top electrode, apply a predetermined voltage, make the carbon nanotube powder swimming in the dispersion liquid in through hole, and then become CNT (carbon nano-tube) along through hole direction boundling; Remove the voltage that is applied between metal material belt and top electrode and remove top electrode; Finally after CNT (carbon nano-tube) is dry, be separated bottom electrode and metal material belt.
Description
[technical field]
The present invention about a kind of electric connector and manufacture method thereof, espespecially a kind of utilize CNT (carbon nano-tube) to make terminal electric connector and manufacture method.
[background technology]
With electric equipment constantly to lightening, miniaturized and high-speed future development, the requirement of client to the electric connector for realizing Signal transmissions between electronic building brick is also higher, and the spacing between the conducting terminal needing the height of electric connector to be less than 0.3mm, electric connector is less than 0.5mm.Now, the metallic conduction terminal of traditional electric connector has been difficult to realize this demand.In order to meet the demand of client, CNT (carbon nano-tube) can be adopted as the conducting terminal of electric connector for the interelement Signal transmissions of transmission electronic.
But CNT (carbon nano-tube), before the application can doing entity, must first be processed and be assembled.In Conventional nano carbon pipe field, a kind of so-called plane formula electrophoresis is usually used to process CNT (carbon nano-tube), to reaching the object of application further, as shown in Figure 1.This kind of mode carries out dielectrophoresis with plane electrode, CNT (carbon nano-tube) assembled between two electrodes, forms the two-dimension plane structure of bridge joint two electrode.But, the CNT (carbon nano-tube) of this kind of planar structure, only be applicable to being applied to how on rice electronic building brick, how some chemical sensors of rice transistor AND gate, be not suitable for the application that other needs stereochemical structure, terminal as electric connector field needs for chip module connection and printed circuit board (PCB) usually, its form is all stereochemical structure usually, therefore, adopts above-mentioned so-called plane formula electrophoresis obviously can not CNT (carbon nano-tube) be used in electrical connectors easily.
Although No. 6626684th, U.S. Patent Bulletin discloses a kind of CNT (carbon nano-tube) of cylindrical-shaped structure that adopts and is contained in connector body with the electric connector of transmitting signals, but this patent unexposedly how to prepare so a kind of electric connector, in fact, as previously mentioned, a kind of like this CNT (carbon nano-tube) of cylindrical-shaped structure that uses be obtained by no means easy.
Therefore, necessaryly a kind of electric connector and manufacture method thereof is provided, to overcome the defect of correlation technique.
[summary of the invention]
The technical problem to be solved in the present invention is to provide a kind of electric connector and manufacture method thereof, can obtain the CNT (carbon nano-tube) of stereochemical structure easily with transmitting signals.
For solving the problems of the technologies described above, the invention provides a kind of manufacture method of electric connector, comprising the following steps: a metal material belt is provided, and on metal material belt shaping some bottom electrodes be connected with metal material belt; Shaping one insulating body with some through holes on the bottom electrode, and make the end of bottom electrode stretch into through hole one end; At the top electrode that the through hole other end configuration of insulating body is corresponding with through hole, and instill the appropriate dispersion liquid containing carbon nanotube powder respectively in each through hole; Between metal material belt, top electrode, apply a predetermined voltage, make the carbon nanotube powder swimming in the dispersion liquid in through hole, and then become CNT (carbon nano-tube) along through hole direction boundling; Remove the voltage that is applied between metal material belt and top electrode and remove top electrode; Bottom electrode and metal material belt is separated after CNT (carbon nano-tube) is dry.
The present invention defines further, and the preparation of described dispersion liquid is mixed carbon nanotube powder and suitable distilled water and alcohol, and the volume ratio of described distilled water and alcohol is between 1: 3 and 1: 1.
The present invention defines further, and described carbon nanotube powder carried out acid treatment before preparing dispersion liquid.
The present invention defines further, and described insulating body is provided with from its upper surface side the guide channel be connected with through hole, and described through hole is finedraw shape.
The present invention defines further, and described guide channel is in the funnel-form big up and small down to lower surface direction of the upper surface of insulating body.
The present invention defines further, and described bottom electrode is molded on metal material belt with micro-stamping technology.
The present invention defines further, leaves gap between the end of described bottom electrode and the through hole of insulating body.
For solving the problems of the technologies described above, the invention provides a kind of electric connector, for being electrically connected chip module and circuit board, it comprises the insulating body with some through holes and some one-body molded and its end stretches into the bottom electrode of through hole one end with insulating body.Some CNT (carbon nano-tube) be carried on bottom electrode end are provided with in the through hole of insulating body.
The present invention defines further, and described bottom electrode is positioned at the bottom of through hole, has gap between the through hole of its end and insulating body.
The present invention defines further, and described insulating body is also provided with the guide channel being positioned at and being communicated with above through hole and with through hole, and described guide channel is in the funnel-form big up and small down to lower surface direction of the upper surface of insulating body.
Compared with prior art, the present invention has the following advantages: the electric connector that can obtain the CNT (carbon nano-tube) containing stereochemical structure easily.
[accompanying drawing explanation]
Fig. 1 is that prior art is with the schematic diagram of plane formula dielectrophoresis process CNT (carbon nano-tube).
Fig. 2 A and Fig. 2 B is CNT (carbon nano-tube) of the present invention upright boundling forming method basic principle schematic.
Fig. 3 A and Fig. 3 B is the schematic diagram of the upright boundling forming method of CNT (carbon nano-tube) of the present invention.
Fig. 4 is the photo of the carbon nanotubes according to the shaping collection of CNT (carbon nano-tube) of the present invention upright boundling forming method.
Fig. 5 is the cutaway view of the electric connector utilizing the upright boundling forming method of CNT (carbon nano-tube) of the present invention to manufacture, and wherein CNT (carbon nano-tube) does not generate.
Fig. 6 is the stereogram of the electric connector utilizing the upright boundling forming method of CNT (carbon nano-tube) of the present invention to manufacture, and the voltage wherein between metal material belt and top electrode is removed.
Fig. 7 is the stereogram of the electric connector utilizing the upright boundling forming method of CNT (carbon nano-tube) of the present invention to manufacture, and wherein top electrode removes from insulating body.
Fig. 8 is the stereogram of the electric connector utilizing the upright boundling forming method of CNT (carbon nano-tube) of the present invention to manufacture, and wherein bottom electrode is separated with metal material belt.
Fig. 9 is the three-dimensional exploded view of the electric connector utilizing the upright boundling forming method of CNT (carbon nano-tube) of the present invention to manufacture.
Figure 10 is the cutaway view along A-A direction in Fig. 8.
[embodiment]
Fig. 1 to Fig. 4 discloses the principle that making method for electric connector of the present invention utilizes.
Because CNT (carbon nano-tube) can be subject to galvanic couple polarization in various degree under the impact of additional AC field, this phenomenon is called as dielectric property, as shown in Figure 2 A.And CNT (carbon nano-tube) is after receiving galvanic couple polarization, just can by Jie's driven by power, the CNT (carbon nano-tube) that galvanic couple is polarized carries out swimming in dispersion liquid, more can carry out assembling and arranging along the direction of extra electric field, as shown in Figure 2 B.Therefore, we claim this phenomenon to be dielectrophoresis.
Fig. 3 A then integratedly becomes with cluster nano carbon pipe the method how meter Ji Cheng restraints for the present invention utilizes " vertical type dielectrophoresis " to reach.So-called " vertical type dielectrophoresis " is different from conventional planar dielectrophoresis, utilizes the method can obtain the cluster nano carbon pipe of rising structure.
According to the method, when needing the cluster nano carbon pipe obtaining rising structure, first an object 11 is provided, this object 11 is provided with target hole 110, this hole can be made according to known techniques, as for the arrangement of target hole 110, can need according to actual the aspect being arranged in matrix or other realistic user demand any.Then the first electrode 10, second electrode 12 is set respectively in object 11 both sides, and makes two electrodes 10,12 corresponding with target hole 110.
According to preferred embodiment of the present invention, this the second electrode 12 is the conductor of a column or needle-like, it can certainly be other any shape, the first electrode 11 can be coordinated to form electric field (or power line), and its diameter is preferably smaller than the width of target hole 110, to control the diameter of the carbon nanotubes formed.The cross section of the second electrode 12 can be any geometry, such as ring-type or polygon-shaped.And by second electrode 12 in this different shape cross section, control the shape of generated carbon nanotubes.Preferably be arranged to plate-like structure above second electrode 12, so that dispersion droplets pull-up is formed fluid column, increase liquor capacity and the carbon pipe quantity of carrying out dielectrophoresis.
Although it may be noted that the second electrode 12 that embodiment discloses only has an electrode, in the utilization of reality, this second electrode 12 can coordinate the shape of the arrangement of target hole 110 or array to carry out deploying.Such as, when target hole 110 is arranged in the matrix of standard, then these electric two electrodes 12 can be arranged in corresponding matrix, for forming CNT (carbon nano-tube) in the target hole 110 that each is corresponding simultaneously.
Next, the third step dripping the dispersion liquid 13 put containing carbon nanotube powder 130 in this target hole 110 is carried out.And the preparation of the dispersion liquid 13 of carbon nanotube powder 130 should be contained, then hold and illustrate after a while.
After completing in the target hole 110 of this object 11 dispersion liquid 13 of instillation containing carbon nanotube powder 130, just between the first electrode 10 and the second electrode 12, a suitable alternating voltage is applied to pass this dispersion liquid 13, make the dispersion liquid 13 being arranged in target hole 110 carbon nanotube powder 130 swimming and along the CNT (carbon nano-tube) 14 of target hole 110 direction boundling slabbing, as shown in Figure 4.
And as shown in Figure 3 B, during the course, carbon nanotube powder 130 in CNT (carbon nano-tube) dispersion liquid 13 can mode as shown in Figure 2A and 2B, gradually under the effect of dielectrophoretic force, move towards centre, and accumulate how rice carbon bundle after a certain time.
The carbon nanotubes that Fig. 4 generates for utilizing vertical type dielectrophoresis method of the present invention is a stereochemical structure.The two dimensional surface carbon tubular construction generated with known use plane formula dielectrophoresis method has great difference, namely first CNT (carbon nano-tube) is made into stereo structure.Therefore its existing range of application can be broken through.
Because CNT (carbon nano-tube) is in the process of dispersion, because the volume of itself and quality are very little, the Fan Dewali between carbon pipe and carbon pipe becomes very powerful in comparison, makes carbon pipe be easy to intertwine.When therefore will do actual assembling application, preferably first processed, the CNT (carbon nano-tube) making each very thin disperses to be separated each other.
According to the present invention, dispersion liquid 13 is by mixing proper proportion distilled water and alcohol, then adds the carbon nanotube powder 130 through pickling, and carries out ultrasonic waves shake and wash and obtain for 1.5 hours.Wherein the volume ratio of distilled water and alcohol is between 1: 3 and 1: 1, is that the obtained dispersion liquid 13 of 1: 1 mode is for good especially with the volume ratio of distilled water and alcohol.
The vertical type dielectrophoresis approach application disclose the present invention above and electric connector field, as the electric connector of chip module connection and circuit board, namely can obtain a kind of new making method for electric connector and electric connector.In view of having detailed vertical type dielectrophoresis side ratio juris and product aspect above, hereafter only how simple declaration has applied to electric connector field.
Shown in please refer to the drawing 5 to Figure 10, first provide a metal material belt 1, and with the shaping some bottom electrodes 15 be connected with metal material belt 1 of micro-stamping technology on metal material belt 1; Then one-body molded insulating body 2 on bottom electrode 15, insulating body 2 has the upper surface 20 and lower surface 21 and the some through holes 22 running through upper surface 20 and lower surface 21 that are oppositely arranged, and makes the free terminal 151 of bottom electrode 15 stretch into through hole 22 bottom of insulating body 2; Then in through hole 22, the appropriate dispersion liquid 13 containing carbon nanotube powder 130 is instilled in upper surface 20 side of insulating body 2 respectively; Then above insulating body 2, configure some top electrodes 16 corresponding with through hole 22; Then between metal material belt 1 and top electrode 16, apply a predetermined voltage, make carbon nanotube powder 130 swimming in the dispersion liquid 13 in through hole 22, and then along through hole 22 direction boundling slabbing CNT (carbon nano-tube) 14; Then remove and be applied to metal material belt 1 with the voltage on top electrode 16 and remove top electrode 16; Finally after carbon nanotubes 14 is dry, be separated bottom electrode 15 and metal material belt 1.
In the manufacture method of electric connector 100 of the present invention, because the carbon nanotubes that vertical type dielectrophoresis method obtains in the form of sheets, therefore, the through hole 22 of insulating body 2 is preferably arranged to finedraw shape.Especially, the end 151 of bottom electrode 15 stretches in the through hole 22 of insulating body 2, but incomplete filling vias 22, gap 23 is left between itself and through hole 22, on the one hand in order to be provided in the voltage of growing nano carbon tube bank 14 in through hole 22, dispersion liquid 13 is suspended and the end 151 of coated bottom electrode 15 on the other hand, can when growing nano carbon pipe 14 for carrying CNT (carbon nano-tube) 14.Insulating body 2 is also provided with the guide channel 24 be connected with through hole 22 from upper surface 20 side.The funnel-form that guide channel 24 is big up and small down on upper surface 20 to lower surface 21 direction, dispersion liquid 13 can be convenient to instill in the through hole 22 of insulating body 2, be convenient to top electrode 16 near finedraw shape through hole 22, also can be convenient to carbon nanotubes 14 and dock with the chip module (not shown) containing tin ball.
The foregoing is only execution mode provided by the invention, it not whole or unique execution mode, the change of those of ordinary skill in the art by reading specification of the present invention to any equivalence that technical solution of the present invention is taked, is claim of the present invention and contains.
Claims (9)
1. a making method for electric connector, comprises the following steps:
(1) metal material belt is provided, and on metal material belt shaping some bottom electrodes be connected with metal material belt;
(2) the one-body molded insulating body with some through holes on the bottom electrode, and make the end of bottom electrode stretch into through hole one end, and and between through-hole wall, there is gap;
(3) at the some top electrodes corresponding with through hole of through hole other end configuration of insulating body;
(4) in each through hole, instillation contains the dispersion liquid of carbon nanotube powder in right amount respectively;
(5) between metal material belt and top electrode, apply a predetermined voltage, the carbon nanotube powder swimming in the dispersion liquid making through hole interior, and then become CNT (carbon nano-tube) along through hole direction boundling;
(6) remove the voltage be applied between metal material belt and top electrode and remove top electrode;
(7) after CNT (carbon nano-tube) is dry, bottom electrode and metal material belt is separated.
2. making method for electric connector as claimed in claim 1, is characterized in that: the preparation of described dispersion liquid is mixed carbon nanotube powder and suitable distilled water and alcohol, and the volume ratio of described distilled water and alcohol is between 1:3 and 1:1.
3. making method for electric connector as claimed in claim 1 or 2, is characterized in that: described carbon nanotube powder carried out acid treatment before preparing dispersion liquid.
4. making method for electric connector as claimed in claim 1, it is characterized in that: described insulating body is provided with from its upper surface side the guide channel be connected with through hole, described through hole is finedraw shape.
5. making method for electric connector as claimed in claim 4, is characterized in that: described guide channel is in the funnel-form big up and small down to lower surface direction of the upper surface of insulating body.
6. making method for electric connector as claimed in claim 1, is characterized in that: described bottom electrode is molded on metal material belt with micro-stamping technology.
7. making method for electric connector as claimed in claim 1, is characterized in that: leave gap between the end of described bottom electrode and the through hole of insulating body.
8. an electric connector, for being electrically connected chip module and circuit board, it comprises the insulating body with some through holes and the CNT (carbon nano-tube) being positioned at insulating body through hole, it is characterized in that: described electric connector also comprises integrated some bottom electrodes with insulating body, the end of each bottom electrode described stretches into one end of insulating body through hole, described CNT (carbon nano-tube) is held and is located on the end of bottom electrode, described bottom electrode is positioned at the bottom of through hole, between the through-hole wall of its end and insulating body, there is gap, described gap contributes to better providing the voltage of growing nano carbon tube bank in through-holes, dispersion liquid is suspended and the end of coated bottom electrode, can when growing nano carbon pipe better for carrying CNT (carbon nano-tube).
9. electric connector as claimed in claim 8, is characterized in that: described insulating body is also provided with the guide channel being positioned at and being communicated with above through hole and with through hole, and described guide channel is in the funnel-form big up and small down to lower surface direction of the upper surface of insulating body.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010591391.0A CN102544804B (en) | 2010-12-16 | 2010-12-16 | Electric connector and manufacture method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010591391.0A CN102544804B (en) | 2010-12-16 | 2010-12-16 | Electric connector and manufacture method thereof |
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| Publication Number | Publication Date |
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| CN102544804A CN102544804A (en) | 2012-07-04 |
| CN102544804B true CN102544804B (en) | 2015-08-12 |
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| CN201010591391.0A Active CN102544804B (en) | 2010-12-16 | 2010-12-16 | Electric connector and manufacture method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1274583C (en) * | 2002-02-05 | 2006-09-13 | 富士施乐株式会社 | Method for producing carbon nano-tube device and carbon nano tube device |
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| US20040246650A1 (en) * | 1998-08-06 | 2004-12-09 | Grigorov Leonid N. | Highly conductive macromolecular materials and improved methods for making same |
| DE10359424B4 (en) * | 2003-12-17 | 2007-08-02 | Infineon Technologies Ag | Redistribution board for narrow pitch semiconductor devices and method of making the same |
| JP5036027B2 (en) * | 2006-03-17 | 2012-09-26 | 独立行政法人科学技術振興機構 | Superconducting element and method for producing the same |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1274583C (en) * | 2002-02-05 | 2006-09-13 | 富士施乐株式会社 | Method for producing carbon nano-tube device and carbon nano tube device |
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