TWI513650B - Electrical connector and method of manufacturing the same - Google Patents
Electrical connector and method of manufacturing the same Download PDFInfo
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本發明係關於一種電連接器及其製造方法，尤指一種利用奈米碳管作端子之電連接器及其製造方法。 The present invention relates to an electrical connector and a method of manufacturing the same, and more particularly to an electrical connector using a carbon nanotube as a terminal and a method of manufacturing the same.
隨電氣設備不斷向輕薄化、小型化及高速度方向發展，客戶對用於實現電子元件間信號傳輸之電連接器之要求亦更高，需要電連接器之高度小於0.3mm、電連接器之導電端子之間間距小於0.5mm。此時，傳統之電連接器之金屬導電端子已很難實現此需求。為了滿足客戶之需求，可採用奈米碳管作為電連接器之導電端子以傳輸電子元件間之信號傳輸。 With the continuous development of thinner, smaller and higher speed electrical equipment, customers have higher requirements for electrical connectors for signal transmission between electronic components. The height of electrical connectors is less than 0.3mm, and electrical connectors are required. The spacing between the conductive terminals is less than 0.5 mm. At this time, the metal conductive terminals of the conventional electrical connectors have been difficult to achieve this demand. In order to meet the needs of customers, carbon nanotubes can be used as the conductive terminals of the electrical connectors to transmit signal transmission between the electronic components.
然，奈米碳管在能夠做實體的應用之前，必須先予以處理及組裝。在傳統奈米碳管領域中，通常運用一種所謂平面式電泳來處理奈米碳管，以期達到進一步應用之目的，如第一圖所示。該種方式係以平面電極進行介電泳，將奈米碳管組裝兩電極間，形成橋接兩電極的二維平面結構。惟，該種平面結構之奈米碳管，僅適合應用於奈米電子元件、奈米電晶體與一些化學感測器上，不適合其他需要立體結構之應用，如電連接器領域之端子通常需要用來連接晶片模組及印刷電路板，其形態通常都是立體結構，故，採用上述所謂之平面式電泳顯然不能夠方便地將奈米碳管運用在 電連接器中。 However, carbon nanotubes must be processed and assembled before they can be used as physical applications. In the field of traditional carbon nanotubes, a so-called planar electrophoresis is usually used to process the carbon nanotubes for further application, as shown in the first figure. In this method, a dielectrophoresis is performed by a planar electrode, and a carbon nanotube is assembled between the two electrodes to form a two-dimensional planar structure bridging the two electrodes. However, the planar carbon nanotubes are only suitable for use in nanoelectronic components, nanocrystals and some chemical sensors, and are not suitable for other applications requiring a three-dimensional structure, such as terminals in the field of electrical connectors. Used to connect the chip module and the printed circuit board, the shape is usually a three-dimensional structure. Therefore, it is obviously not convenient to use the carbon nanotubes in the above-mentioned so-called planar electrophoresis. In the electrical connector.
美國專利公告第6626684號雖然揭露了一種採用圓柱狀結構的奈米碳管容納於連接器本體之中以傳遞訊號的電連接器，然該專利並未公開如何製備這樣一種電連接器，實際上，如前所述，要得到這樣一種使用圓柱狀結構的奈米碳管絕非易事。 U.S. Patent No. 6,266,684 discloses an electrical connector in which a cylindrical carbon nanotube is housed in a connector body for transmitting signals. However, the patent does not disclose how to prepare such an electrical connector. As mentioned above, it is not easy to obtain such a carbon nanotube using a cylindrical structure.
故，有必要提供一種電連接器及其製造方法，以克服相關技藝之缺陷。 Therefore, it is necessary to provide an electrical connector and a method of manufacturing the same to overcome the deficiencies of the related art.
本發明要解決之技術問題係提供一種電連接器及其製造方法，可以方便地得到立體結構之奈米碳管以傳遞訊號。 The technical problem to be solved by the present invention is to provide an electrical connector and a method of manufacturing the same, which can conveniently obtain a three-dimensional structure of a carbon nanotube to transmit a signal.
為解決上述技術問題，本發明提供一種電連接器之製造方法，包括以下步驟：提供一金屬料帶，並於金屬料帶上成型複數與金屬料帶連接之下電極；於下電極上成型一具有複數通孔之絕緣本體，並使下電極之末端伸入通孔一端；於絕緣本體之通孔另一端配置與通孔對應之上電極，並向各通孔內分別滴入適量含奈米碳管粉末之分散液；於金屬料帶、上電極之間施加一預定電壓，使得通孔內之分散液中之奈米碳管粉末泳動，進而沿通孔方向集束成奈米碳管；撤除施加於金屬料帶與上電極間之電壓並移除上電極；待奈米碳管乾涸後分離下電極與金屬料帶。 In order to solve the above technical problem, the present invention provides a method for manufacturing an electrical connector, comprising the steps of: providing a metal strip, and forming a plurality of electrodes connected to the metal strip on the metal strip; forming a lower electrode An insulating body having a plurality of through holes, and extending an end of the lower electrode into one end of the through hole; at the other end of the through hole of the insulating body, an upper electrode corresponding to the through hole is disposed, and an appropriate amount of nanometer is dropped into each through hole a dispersion of carbon tube powder; applying a predetermined voltage between the metal strip and the upper electrode, so that the carbon nanotube powder in the dispersion in the through hole moves, and then bundles into a carbon nanotube in the direction of the through hole; The voltage applied between the metal strip and the upper electrode is removed and the upper electrode is removed; after the carbon nanotube is dried, the lower electrode and the metal strip are separated.
本發明之電連接器可藉以下技術方案實現：一種電連接器，用以電性連接晶片模組與電路板，其包括具有複數通孔之絕緣本體及複數與絕緣本體一體成型且其末端伸入通孔中之下電極。絕緣本體之通孔內設有複數承載於下電極末端上之奈米碳管。 The electrical connector of the present invention can be realized by the following technical solutions: an electrical connector for electrically connecting a chip module and a circuit board, comprising an insulating body having a plurality of through holes and a plurality of integral bodies integrally formed with the insulating body and extending at an end thereof Enter the lower electrode in the through hole. The through hole of the insulating body is provided with a plurality of carbon nanotubes carried on the end of the lower electrode.
與先前技術相比，本發明具有以下優點：可以方便地得到含有立體結構之奈米碳管之電連接器。 Compared with the prior art, the present invention has the advantage that an electrical connector having a three-dimensional structure of carbon nanotubes can be conveniently obtained.
100‧‧‧電連接器 100‧‧‧Electrical connector
1‧‧‧金屬料帶 1‧‧‧Metal strip
10‧‧‧第一電極 10‧‧‧First electrode
11‧‧‧目標物 11‧‧‧ Targets
110‧‧‧孔洞 110‧‧‧ hole
12‧‧‧第二電極 12‧‧‧Second electrode
13‧‧‧分散液 13‧‧‧Dispersion
130‧‧‧奈米碳管粉末 130‧‧‧Nano Carbon Tube Powder
14‧‧‧奈米碳管 14‧‧‧Nano Carbon Tube
15‧‧‧下電極 15‧‧‧ lower electrode
151‧‧‧末端 End of 151‧‧
16‧‧‧上電極 16‧‧‧Upper electrode
2‧‧‧絕緣本體 2‧‧‧Insulated body
20‧‧‧上表面 20‧‧‧ upper surface
21‧‧‧下表面 21‧‧‧ Lower surface
22‧‧‧通孔 22‧‧‧through hole
23‧‧‧縫隙 23‧‧‧ gap
24‧‧‧導引槽 24‧‧‧ guiding slot
第一圖係習知以平面式介電泳處理奈米碳管之示意圖；第二A圖及第二B圖為本發明奈米碳管直立集束成型方法基本原理示意圖；第三A圖及第三B圖為本發明奈米碳管直立集束成型方法之示意圖；第四圖為根據本發明奈米碳管直立集束成型方法所成型集之奈米碳管束之照片；第五圖為本發明奈米碳管直立集束成型方法製造電連接器之剖視圖，其中奈米碳管未生成；第六圖為本發明奈米碳管直立集束成型方法製造電連接器之立體圖，其中金屬料帶與上電極間之電壓已撤除；第七圖為本發明奈米碳管直立集束成型方法製造之電連接器之立體圖，其中上電極已自絕緣本體上移除；第八圖為本發明奈米碳管直立集束成型方法製造之電連接器之立體圖，其中下電極與金屬料帶分離；第九圖為本發明奈米碳管直立集束成型方法製造之電連接器之立體分解圖；及第十圖係沿第八圖所示X-X方向之剖視圖。 The first figure is a schematic diagram of a conventional method for processing a carbon nanotube by planar dielectrophoresis; the second A diagram and the second B diagram are schematic diagrams of the basic principle of the nano carbon tube upright bundling forming method; the third A diagram and the third B is a schematic view of a method for forming an upright bundle of carbon nanotubes according to the present invention; and a fourth view is a photograph of a bundle of carbon nanotubes formed by a method for forming a carbon nanotube upright bundle according to the present invention; A cross-sectional view of a carbon tube upright bundling method for manufacturing an electrical connector, wherein a carbon nanotube is not formed; and a sixth view is a perspective view of the method for manufacturing an electrical connector of the nano carbon tube upright bundling method of the present invention, wherein a metal strip and an upper electrode are formed The voltage has been removed; the seventh figure is a perspective view of the electrical connector manufactured by the nano carbon tube upright bundling method, wherein the upper electrode has been removed from the insulating body; the eighth figure is the vertical bundle of the carbon nanotube of the present invention A perspective view of an electrical connector manufactured by a molding method, wherein a lower electrode is separated from a metal strip; and a ninth view is an exploded perspective view of an electrical connector manufactured by the nanocarbon tube upright bundling method of the present invention; and a tenth The figure is a cross-sectional view taken along the X-X direction shown in the eighth figure.
第二圖至第四圖揭示了本發明電連接器之製造方法所利用之原理。 The second to fourth figures disclose the principles utilized in the method of fabricating the electrical connector of the present invention.
由於奈米碳管在外加的交流電場之影響下會受到不同程度的電偶極化，這種現象被稱為介電特性，如第二A圖所示。而奈米碳管在受到了電偶極化之後，便會被介電力驅動，使電偶極化的奈米碳管在分散液中進行泳動，更會順著外加電場的方向來進行組裝及排列，如第二B圖所示。故，我們稱這種現象為介電泳。 Since the carbon nanotubes are subjected to different degrees of galvanic polarization under the influence of an applied alternating electric field, this phenomenon is called dielectric property, as shown in FIG. After being polarized by the galvanic couple, the carbon nanotubes are driven by the dielectric, so that the galvanically polarized carbon nanotubes move in the dispersion and are assembled in the direction of the applied electric field. Arrange as shown in Figure B. Therefore, we call this phenomenon dielectrophoresis.
第三A圖則為本發明利用「直立式介電泳」來達成集成與集束奈米碳管成為奈米集成束之方法。所謂「直立式介電泳」係區別於傳統平面式介電泳，利用該方法可得到直立結構的集束奈米碳管。 The third A diagram is a method for achieving integration and clustering of carbon nanotubes into a nano-integrated bundle by using "upright dielectrophoresis". The so-called "upright dielectrophoresis" is distinguished from the conventional planar dielectrophoresis, and a bundled carbon nanotube of an upright structure can be obtained by this method.
根據該方法，當需要得到直立結構的集束奈米碳管時，首先提供一目標物11，該目標物11上設置有目標孔洞110，該孔洞可以根據習知技術製成，至於目標孔洞110的排列，可以依實際的需要排列成矩陣或任何其他符合實際使用需求的態樣。然後在目標物11兩側分別設置第一電極10、第二電極12，且使兩電極10、12與目標孔洞110對應。 According to the method, when it is required to obtain the bundled carbon nanotubes of the upright structure, an object 11 is first provided, and the target object 11 is provided with a target hole 110, which can be made according to the prior art, as for the target hole 110. Arrangement, can be arranged into a matrix or any other aspect that meets the actual needs of use according to actual needs. Then, the first electrode 10 and the second electrode 12 are respectively disposed on both sides of the target object 11, and the two electrodes 10 and 12 are corresponding to the target hole 110.
根據本發明之較佳實施例，該第二電極12為一柱狀或針狀之導體，當然也可以為其他任何的形狀，能配合第一電極11形成電場(或電力線)，而其直徑最好較小於目標孔洞110之寬度，以便控制形成之奈米碳管束之直徑。第二電極12之截面可為任何幾何形狀，例如環狀或多邊形狀。並且通過這種不同形態截面之第二電極12，來控制所生成之奈米碳管束之形狀。第二電極12上方最好設置成一平板狀結構，以便於將分散液液滴拉起形成液柱，增加 進行介電泳的溶液體積及碳管數量。 According to a preferred embodiment of the present invention, the second electrode 12 is a columnar or needle-shaped conductor. Of course, it may have any other shape, and the first electrode 11 can be combined with the first electrode 11 to form an electric field (or a power line). It is preferably smaller than the width of the target hole 110 in order to control the diameter of the formed carbon nanotube bundle. The cross section of the second electrode 12 can be any geometric shape such as a ring shape or a polygonal shape. And the shape of the generated carbon nanotube bundle is controlled by the second electrode 12 of different cross-sections. Preferably, the second electrode 12 is disposed above a flat plate structure to facilitate pulling up the liquid droplets to form a liquid column, thereby increasing The volume of solution and the number of carbon tubes for dielectrophoresis.
需要指出，雖然實施例揭示的第二電極12僅有一電極，但在實際的運用中，該第二電極12亦可以配合目標孔洞110的排列的形狀或陣列來排配。例如，當目標孔洞110排列成標準的矩陣時，則該電二電極12亦可以排列成相對應的矩陣，以同時在每一相對應的目標孔洞110內形成奈米碳管。 It should be noted that although the second electrode 12 disclosed in the embodiment has only one electrode, in actual use, the second electrode 12 can also be arranged in accordance with the shape or array of the arrangement of the target holes 110. For example, when the target holes 110 are arranged in a standard matrix, the electric two electrodes 12 may also be arranged in a corresponding matrix to simultaneously form a carbon nanotube in each corresponding target hole 110.
接下來，進行在該目標孔洞110內滴置含有奈米碳管粉末130之分散液13之第三步驟。而該含有奈米碳管粉末130之分散液13之製備，則容稍後說明。 Next, a third step of dropping the dispersion 13 containing the carbon nanotube powder 130 in the target hole 110 is performed. The preparation of the dispersion 13 containing the carbon nanotube powder 130 will be described later.
在完成於該目標物11之目標孔洞110內滴入含有奈米碳管粉末130之分散液13之後，便在第一電極10與第二電極12間施加一適當交流電壓以穿過該分散液13，使位於目標孔洞110內之分散液13中之奈米碳管粉末130泳動並沿目標孔洞110方向集束成片狀之奈米碳管14，如第四圖所示。 After the dispersion 13 containing the carbon nanotube powder 130 is dropped into the target hole 110 of the target 11, a suitable alternating voltage is applied between the first electrode 10 and the second electrode 12 to pass through the dispersion. 13. The carbon nanotube powder 130 in the dispersion 13 located in the target hole 110 is moved and bundled into a sheet-like carbon nanotube 14 in the direction of the target hole 110, as shown in the fourth figure.
而如第三B圖中所示，在過程中，奈米碳管分散液13中之奈米碳管粉末130會如第二圖A及第二圖B所示之方式，漸漸地在介電泳力的作用下，朝中間移動，並且在一定時間後匯集成奈米碳束。 As shown in FIG. B, in the process, the carbon nanotube powder 130 in the carbon nanotube dispersion 13 is gradually dielectrically as shown in FIG. 2A and FIG. Under the action of the swimming force, it moves toward the middle and collects into a nano carbon bundle after a certain time.
第四圖為利用本發明直立式介電泳方法所生成之奈米碳管束，係為一立體結構。與習知使用平面式介電泳方法所生成之二維平面碳管結構有極大的差異，即首次將奈米碳管製作成立體狀。因此可以突破其現有的應用範圍。 The fourth figure shows a carbon nanotube bundle produced by the vertical dielectrophoresis method of the present invention, which is a three-dimensional structure. There is a great difference from the conventional two-dimensional planar carbon tube structure generated by the planar dielectrophoresis method, that is, the carbon nanotube is first formed into a body shape. Therefore, it can break through its existing application range.
由於奈米碳管在分散的過程中，因為其本身的體積及質量很小，碳管與碳管間的凡德瓦力相較之下變得很強勁，使得碳管很容易 糾結在一起。因此要做實際的組裝應用時，最好先予以處理，讓每一支纖細的奈米碳管彼此分散分離。 Since the carbon nanotubes are dispersed, because of their small volume and mass, the van der Waals force between the carbon tubes and the carbon tubes becomes very strong, making the carbon tubes easy. Tangled together. Therefore, when it comes to actual assembly applications, it is best to treat them first, so that each of the fine carbon nanotubes is dispersed and separated from each other.
根據本發明，分散液13係通過混合適當比例蒸餾水與酒精，再加入經酸洗過之奈米碳管粉末130，並進行超音波震洗1.5小時製得。其中蒸餾水與酒精之體積比介於1：3與1：1之間，尤以蒸餾水與酒精之體積比為1：1方式製得之分散液13為佳。 According to the present invention, the dispersion 13 is obtained by mixing an appropriate proportion of distilled water with alcohol, adding the acid washed carbon nanotube powder 130, and performing ultrasonic shock washing for 1.5 hours. The volume ratio of distilled water to alcohol is between 1:3 and 1:1, especially the dispersion 13 prepared by the 1:1 ratio of the volume ratio of distilled water to alcohol.
將前文本發明揭露之直立式介電泳方法運用與電連接器領域，如連接晶片模組與電路板之電連接器，即可以得到一種新的電連接器製造方法及電連接器。鑒於前文已詳述了直立式介電泳方法之原理及產品態樣，下文僅簡單說明如何運用於電連接器領域。 A new method of manufacturing an electrical connector and an electrical connector can be obtained by applying the vertical dielectrophoresis method disclosed in the prior art to the field of electrical connectors, such as an electrical connector connecting a chip module and a circuit board. In view of the foregoing principles and product aspects of the vertical dielectrophoresis method, the following is merely a brief description of how to apply it to the field of electrical connectors.
請參第五圖至第十圖所示，首先提供一金屬料帶1，並於金屬料帶1上以微沖壓技術成型複數與金屬料帶1連接之下電極15；接著於下電極15上一體成型一絕緣本體2，絕緣本體2具有相對設置之上表面20與下表面21及貫穿上表面20與下表面21之複數通孔22，並使下電極15之自由末端151伸入絕緣本體2之通孔22底端；然後於絕緣本體2之上表面20一側向通孔22內分別滴入適量含奈米碳管粉末130之分散液13；接著於絕緣本體2之上方配置複數與通孔22對應之上電極16；然後於金屬料帶1與上電極16之間施加一預定電壓，使得通孔22內之分散液13中之奈米碳管粉末130泳動，進而沿通孔22方向集束成片狀奈米碳管14；接著撤除施加於金屬料帶1與上電極16上之電壓並移除上電極16；最後待奈米碳管束14乾涸後分離下電極15與金屬料帶1。 Referring to FIG. 5 to FIG. 10 , a metal strip 1 is first provided, and a plurality of electrodes 15 connected to the metal strip 1 are formed on the metal strip 1 by micro-stamping; followed by the lower electrode 15 An insulative housing 2 is integrally formed. The insulative housing 2 has a plurality of through holes 22 opposite to the upper surface 20 and the lower surface 21 and the upper surface 20 and the lower surface 21, and the free end 151 of the lower electrode 15 extends into the insulative housing 2 The bottom end of the through hole 22; then, an appropriate amount of the dispersion 13 containing the carbon nanotube powder 130 is dropped into the through hole 22 on the upper surface 20 of the insulative body 2; then the plural and the upper portion are disposed above the insulating body 2. The hole 22 corresponds to the upper electrode 16; then a predetermined voltage is applied between the metal strip 1 and the upper electrode 16, so that the carbon nanotube powder 130 in the dispersion 13 in the through hole 22 moves, and further along the through hole 22 The bundle is formed into a sheet of carbon nanotubes 14; then the voltage applied to the metal strip 1 and the upper electrode 16 is removed and the upper electrode 16 is removed; finally, after the carbon nanotube bundle 14 is dried, the lower electrode 15 and the metal strip 1 are separated. .
本發明之電連接器100之製造方法中，因為直立式介電泳方法得到的奈米碳管束呈片狀，故，絕緣本體2之通孔22最好設置成細 縫狀。特別地，下電極15之末端151伸入絕緣本體2之通孔22中，但並未完全填充通孔22，其與通孔22間留有縫隙23，一方面用以提供於通孔22中生長奈米碳管束14之電壓，另一方面使分散液13懸浮並包覆下電極15之末端151，可於生長奈米碳管14時用於承載奈米碳管14。絕緣本體2自上表面20一側還設置有與通孔22相連的導引槽24。導引槽24於上表面20至下表面21方向上呈上大下小的漏斗狀，可便於將分散液13滴入絕緣本體2之通孔22中，便於上電極16靠近細縫狀通孔22，還可便於奈米碳管束14與含有錫球之晶片模組(未圖示)對接。 In the manufacturing method of the electrical connector 100 of the present invention, since the bundle of carbon nanotubes obtained by the vertical dielectrophoresis method is in the form of a sheet, the through hole 22 of the insulating body 2 is preferably set to be thin. Sewed. In particular, the end 151 of the lower electrode 15 extends into the through hole 22 of the insulative housing 2, but does not completely fill the through hole 22, and a gap 23 is left between the through hole 22 and is provided in the through hole 22 on the other hand. The voltage of the carbon nanotube bundle 14 is grown, and on the other hand, the dispersion 13 is suspended and coated with the end 151 of the lower electrode 15, which can be used to carry the carbon nanotube 14 when the carbon nanotube 14 is grown. The insulating body 2 is further provided with a guiding groove 24 connected to the through hole 22 from the side of the upper surface 20. The guiding groove 24 has a funnel shape that is large and small in the direction from the upper surface 20 to the lower surface 21, and can facilitate the dropping of the dispersion 13 into the through hole 22 of the insulating body 2, so that the upper electrode 16 is close to the slit-shaped through hole. 22. It is also convenient for the carbon nanotube bundle 14 to interface with a wafer module (not shown) containing the solder balls.
本發明的技術內容和技術特點已揭示如上，然而熟悉本領域的技術人員仍可能基於本發明的教示及揭示進行種種不背離本發明精神的替換和修飾。因此，本發明的保護範圍應不限於實施方式所揭示的內容，而包括各種不背離本發明的替換和修飾，均為本專利申請權利要求所涵蓋。 The technical contents and technical features of the present invention have been disclosed as above, but those skilled in the art can still make various substitutions and modifications without departing from the spirit and scope of the present invention. Therefore, the scope of the invention is not to be construed as limited by the scope of
100‧‧‧電連接器 100‧‧‧Electrical connector
15‧‧‧下電極 15‧‧‧ lower electrode
151‧‧‧末端 End of 151‧‧
14‧‧‧奈米碳管 14‧‧‧Nano Carbon Tube
2‧‧‧絕緣本體 2‧‧‧Insulated body
20‧‧‧上表面 20‧‧‧ upper surface
21‧‧‧下表面 21‧‧‧ Lower surface
22‧‧‧通孔 22‧‧‧through hole
23‧‧‧縫隙 23‧‧‧ gap
24‧‧‧導引槽 24‧‧‧ guiding slot
Claims (8)
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| TW099144082A TWI513650B (en) | 2010-12-15 | 2010-12-15 | Electrical connector and method of manufacturing the same |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM282355U (en) * | 2004-07-22 | 2005-12-01 | Hon Hai Prec Ind Co Ltd | LGA contact with extended arm for IC connector |
| US20060225163A1 (en) * | 2005-03-31 | 2006-10-05 | Tsinghua University | Method for manufacturing a one-dimensional nano-structure-based device |
| TWM377733U (en) * | 2009-08-11 | 2010-04-01 | Hon Hai Prec Ind Co Ltd | Terminal trips |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM282355U (en) * | 2004-07-22 | 2005-12-01 | Hon Hai Prec Ind Co Ltd | LGA contact with extended arm for IC connector |
| US20060225163A1 (en) * | 2005-03-31 | 2006-10-05 | Tsinghua University | Method for manufacturing a one-dimensional nano-structure-based device |
| TWM377733U (en) * | 2009-08-11 | 2010-04-01 | Hon Hai Prec Ind Co Ltd | Terminal trips |
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