201030785 九、發明說明： 【發明所屬之技術領域】 本發明係一種固態電解電容器陽極端之應力吸 收1幾構，特別是指一種固態電解電容器於陽極焊接和 封政製程時可吸收對陽極部與陰極部的交界或其附 近因外力而產生拉伸應力及彎曲應力之陽極端應力 吸收機構者。 φ 【先前技術】 按，一般習用之固態電解電容器，請參閱第1A、 T圖所示，如台灣專利案公告號第128387號，其固 心、電解電谷器10具備疊層的複數個的電容器元件 在位於疊層狀態之最下層的電容器元件6的下面 安裝有陽極端子12及陰極端子13 ;而且係為留下陽 螭子12及陰極端子13的下表面而由合成樹脂Μ 將電容器元件6、陽極端子12及陰極端子13 ❹ 蓋的構成。 ^ 虹触上述電容器元件6是如第1B圖所示，在作為陽 、體之具有閥作用、且本身為金屬的鋁箔1的表面形 成有介電質氧化膜2及陰極層3;此陰極層3是由聚 ，=(polythiophene )料電性聚合物所構成的固 體電解質層3a、碳層3b、及銀塗料層心所構成；在 質氧化膜2上形成有陰極層3的部份係成為 π極。卩8,未形成有陰極層3的部份係成為陽極部 201030785 tί ί的電容器元件6疊層複數片的狀態下，使 :電容器元件6的陽極部” 著劑18接著固〜 的陰極部8彼此藉由導電性接 在寸、f陽4疋’而形成疊層型固態電解電容器10。 8虚陽:!"的陽極端子12底面中的陰極部 縫16及第2雇父界15附近，設有第1應力緩和開 ，，建W及第2應力綉*門 _ 力緩和開縫二二Γ此形成有兩應 p a m . . 1 _ , 除極°卩7會在該兩個應力缓和 交界15!装斤彎。因此’在陽極部7與陰極部8的 於近可抑㈣曲應力的施加，因此施加 電容器iv雖^會變小。然而’該專利案之固態電解 ° 可稭由兩個應力緩和開縫16、17折f， 抑制在陽極部7盥吟 折f 應力的施力…日是交界15或其附近彎曲 16、Π之製作程雷射切割應力緩和開縫 費時費工 生產成本無法降低，而且 :了能省該形成開縫16、17之製作程序，一般 ㈣作法均如第lc圖所示之構造，但是該構造 度大疊層之後，陰極部之末端與基部厚 到m 的問題。甚至使得陽極部及/或陰極部受 貝傷，造成良率降低成本提高的問題。 【發明内容】 發明人有鑑於前述先前技術之缺點，乃依其從事 201030785 各種電谷器之製造經驗和技術累積，針對上述缺失悉 〜研究各種解決的方法，在經過不斷的研究、實驗與 改良後，終於開發設計出本發明之一種固態電解電容 益陽極端之應力吸收機構之發明，以期能摒除先前技 術所產生之缺失。 本發明之一目的’係在提供一種固態電解電容器 _端之應力吸收機構，以利用絕緣膠之彈性，吸收 對陽極部與陰極部的交界或其附近因製造時之外力 所產生之拉伸應力及彎曲應力。 =上述之目的，本發明之固態電解電容器陽極 而之應力吸收機構，該固態電解電容器具有多數 7電容器元件’電容器元件係疊層於作為導電接點之 而子及陰極料上，而由合成樹脂等封裝材 ^器元件、陽極端子及陰極端子予以封I所構成 二相鄰的電容器元件的陰極部之間其靠 ===二内側則設有絕緣膠， ^ 膠將疊層之電容器元件彼此接著 其二谷器疋件之陽極部與陰極部的交界或 1附近包覆有另-絕緣膠，藉此，吸收於陽 外陽r部與陰極部的交界基部或其附近因 ° :而產生之拉伸應力及f曲應力，使該部份的^ 厚二解決從來固態電解電容器之陰極部基部與端部 ^小不一甚至傷害到陽極部與陰極部之情形。 7 201030785 依本發明之此種固態電解電容器陽極端之應力 吸收機構，其在製造時陰極部與陽極部受到外力而產 生應力會大為減小，兩者之變形不但減少也不會因此 而受到損傷，其生產的良率即可大為增加，此更為本 發明之一大目的。 為便貴審查委員能對本發明之目的、形狀、構 造裝置特徵及其功效，做更進—步之認識與瞭解，兹 舉實施例配合圖式，詳細說明如下： 此處必需予以說明的是：附圖中有關本發明之實 施例的說明，其符號若與其他圖式有重複者，仍然以 該圖之有關說明為依據。 【實施方式】 本發明乃是有關於一種「固態電解電容器陽極 端之應力吸收機構」，請先參閱第2、3圖所示，本 發明之固態電解電容器30具有多數疊層的電容器 元件36，電容器元件36係疊層於作為導電接點的 陽極端子32及陰極端子33上；而由合成樹脂34 荨封裝材料將電谷器元件36、陽極端子32及陰極 端子33所構成的電容器本體包覆。 上述電容器元件36單元乃如第3圖所示，在作 為陽極體且本身為金屬導電體361的表面形成有介 電吳乳化膜362及陰極層363 ;此陰極層363較佳 的是由聚噻吩系（polythiophene )的導電性聚合物 8 201030785 所構成的固體電解質層363a、碳層363b、及銀塗料 層363c所構成；在上述介電質氧化膜362上形成有 陰極層363的部份係成為陰極部368，未形成有陰 極層363的部份係成為陽極部367 ;此種構成的電 谷器元件3 6係先予以多重疊合，再將相鄰的電容器 疋件36的陽極部367彼此焊接固定。而其中相鄰的 電容器元件36的陰極部368之間，以及最下方的電 .容器元件陰極部與陰極端子之間其靠陰極部端部之 .❹ 側邊設有銀膠、銀合金膠或他種材料之導電膠5〇， 靠陰極部基部之一側邊，則設有絕緣膠7〇，藉由導 ，膠50、絕緣膠70將疊層之電容器元件％彼此接 著固定’而形成疊層型固態電解電容器3〇。 在前述陽極部367的陽極端子32底面中的陰極 部368與陽極部367的交界35附近，包覆有另一絕 緣膠70a，藉由此另一絕緣膠7〇a、上述絕緣膠7〇 之彈性，當陽極端子利用烊接製程使其端部連社 © 時，或封裝時對已彎折集中的陽極端子施力時，可 吸收外力而減少陽極部與陰極部所產生的應力。結 果，便可抑制在陽極部367與陰極部368的交界= 或其附近的陽極部367因外力而受損所導致的電容 器之洩漏電流增大、以及由於短路所導致的不良。 本發明更由於陰極部下側邊所設的導電膠與絕ς膠 的作用，在利用焊接使陽極端子連結，或封裝時對 201030785 已彎折集中的陽極端子及陰極部施力時，不會產生 陰極部的彎形而形成兩端厚度不一的狀況。 請參閱第4圖，該圖為本發明之固態電解電容 器陽極端之應力％收機構另—種實施例之❹示音 圖，該實施例中，固態電解電容器30具有多數^ 的電容器元件36，電容器元件36係疊層於作：導 電接點的陽極端子32及陰極端子33之上；陽極端 子32及陰極端子33另一面並同樣設有另一組多數 器元件36,再由合成樹腊34等封裝材 =電谷：元件36、陽極端子32及陰極端子”所 構成的電容器本體包覆。 如此構成的電容器元件36係先予以多重疊 二再將相鄰的電容器元件36的陽極部初彼此焊 3定：而其中’每-電容器元件36的陰極部368 鲁 ，*近其端部的一侧邊設有銀膠、銀合金膠或 緣So料之導電膠5〇，靠近其基部之側邊則設有絕 =膠广藉由導電膠50、絕緣滕7〇將叠層之電容 型固1 彼此接者固定於陰極端子上，而形成疊層 &固態電解電容器3〇。 部36^1述陽極部367的陽極端子32底面中的陰極 二絕繞腴陽極部各367的交界基部35附近’包覆有另 70/ 7〇a’糟由此另一絕緣膠70a、上述絕緣膠 用，當利用焊接外力使陽極端部連結，或封 201030785 裝時對已彎折集中的陽極端子施力 陽極部367與陰極部368的 a卩可吸收對 外力而減少陽極部與陰極部所產所=的 便可抑制在陽極部367與陰極部祕 附近的陽極部367因外力而受損所導致的電容^ :漏電流增大、以及由於短路所導致的不 率大大的提高。 八良 再者，如第5A、5B圖所示，各電 之間可塾有材料為任何金屬合金之導 =37,再利用焊接方式使陽極部w之 電物37相互連接於陽極端子 導 子利用焊接製程使其端部連杜時，戈^當陽極端 |連砧時，或封裝時對陽極端 的應匕力吸收外力而減少陽極部與陰極部所產生 參 =合上所述，本發明之固態電解電容器陽極端 2吸收機構’確實具有前所未有之創新構造， :見,任何刊物’且市面上亦未見有任何類似 :產…疋以，其具有新穎性應無疑慮。另外，本 =所具有之獨特特徵以及功能遠非習用所可比 所以其確實比f用更具有其進步性， 國專利法有關發明專利之申^ 提起專利申請。申"要件之規疋，乃依法 X上所述，僅為本發明最佳具體實施例，惟本 11 201030785 發明之構造特徵並不侷限於此，任何熟悉該項技藝 者在本發明領域内，可輕易思及之變化或修飾，皆 可涵蓋在以下本案之專利範圍。 參201030785 IX. Description of the invention: [Technical field of the invention] The present invention relates to a stress absorption structure of an anode end of a solid electrolytic capacitor, in particular to a solid electrolytic capacitor which can be absorbed to the anode portion during anodizing and sealing processes. An anode-end stress absorbing mechanism that generates tensile stress and bending stress due to an external force at or near the boundary of the cathode portion. φ [Prior Art] According to the conventional solid electrolytic capacitors, please refer to the 1A and T drawings. For example, Taiwan Patent Publication No. 128387, the solid-state and electrolytic grid 10 has a plurality of laminated layers. The capacitor element is provided with an anode terminal 12 and a cathode terminal 13 under the capacitor element 6 located at the lowermost layer in the stacked state; and the capacitor element is made of synthetic resin 留下 leaving the lower surface of the anode 12 and the cathode terminal 13 6. The structure of the anode terminal 12 and the cathode terminal 13 ❹ cover. ^ The above-mentioned capacitor element 6 is formed as shown in FIG. 1B, and a dielectric oxide film 2 and a cathode layer 3 are formed on the surface of the aluminum foil 1 which has a valve function as a male body and is itself a metal; the cathode layer 3 is composed of a solid electrolyte layer 3a composed of a poly(polythiophene)-based electrical polymer, a carbon layer 3b, and a silver coating layer core; a portion of the cathode oxide layer 3 formed on the plasma oxide film 2 is formed. π pole. In the state where the cathode layer 3 is not formed, the capacitor element 6 of the anode portion 201030785 tίί is laminated in a plurality of sheets, so that the anode portion of the capacitor element 6 is fixed to the cathode portion 8 The stacked solid-state electrolytic capacitor 10 is formed by electrically connecting each other to the inch, and the anode is formed in the bottom surface of the anode terminal 12 and the vicinity of the second employee's father 15 , with the first stress relaxation open, the construction of the W and the second stress embroidered * door _ force relief and the opening of the second two Γ Γ 形成 形成 形成 形成 形成 形成 形成 形成 形成 形成 形成 形成 形成 形成 形成 形成 会 会 会 会 会 会 会 会 会 会 会 会 会 会At the junction 15!, the bending is applied. Therefore, the application of the iv stress is reduced in the vicinity of the anode portion 7 and the cathode portion 8. Therefore, the application of the capacitor iv becomes small. However, the solid electrolytic solution of the patent can be used. The two stress relaxation slits 16 and 17 fold f, suppressing the application of the stress at the anode portion 7 by the f stress... The day is the boundary 15 or the bending of the vicinity of the junction 16, and the manufacturing process of the laser cutting stress relies on the time-consuming labor The production cost cannot be reduced, and: the production procedure that can form the slits 16 and 17 can be saved, and the general (4) practices are as follows. The structure shown in the lc diagram, but after the degree of the structure is large, the end portion of the cathode portion and the base portion are thick to m. Even the anode portion and/or the cathode portion are damaged by the shell, which causes a problem that the yield is lowered and the cost is increased. SUMMARY OF THE INVENTION The inventors have in view of the above-mentioned shortcomings of the prior art, and are engaged in the manufacturing experience and technical accumulation of various electric grids of 201030785, and after the continuous research, experiment and improvement, the methods for solving the above-mentioned problems are studied. Finally, the invention has been devised to design a stress absorbing mechanism of a solid electrolytic capacitor of the present invention in order to eliminate the defects caused by the prior art. One of the objects of the present invention is to provide a stress absorbing mechanism of a solid electrolytic capacitor. In order to absorb the tensile stress and bending stress generated by the external force at the boundary between the anode portion and the cathode portion or the vicinity thereof by utilizing the elasticity of the insulating rubber. The above-mentioned purpose, the stress of the anode of the solid electrolytic capacitor of the present invention Absorption mechanism, the solid electrolytic capacitor has a majority of 7 capacitor elements 'capacitor element system Laminated on the sub-portion and the cathode material as the conductive contacts, and the packaged device element such as synthetic resin, the anode terminal and the cathode terminal are sealed to form a cathode portion of two adjacent capacitor elements. == The inner side of the second layer is provided with an insulating glue, and the glue is coated with another insulating rubber at the boundary between the anode portion and the cathode portion of the two-cylinder element and the vicinity of the capacitor element. The tensile stress and f-curvature stress caused by ° at the boundary of the junction between the r and the cathode of the anode and the cathode are such that the thickness and the thickness of the portion of the cathode of the solid electrolytic capacitor are small. In the case of the anode portion and the cathode portion of the solid electrolytic capacitor according to the present invention, the stress absorption mechanism of the anode end of the solid electrolytic capacitor according to the present invention is greatly reduced in stress caused by the external force of the cathode portion and the anode portion during manufacture. The deformation of the two is not only reduced but also not damaged, and the yield of the production can be greatly increased, which is a great object of the present invention. In order to make the reviewer's purpose, shape, structure and function of the invention and its function, further understanding and understanding, the embodiment and the diagram are described in detail as follows: Here, it must be stated: In the drawings, the description of the embodiments of the present invention, if the symbols are duplicated with other drawings, are still based on the description of the drawings. [Embodiment] The present invention relates to a "stress absorbing mechanism at the anode end of a solid electrolytic capacitor". Referring to Figures 2 and 3, the solid electrolytic capacitor 30 of the present invention has a plurality of stacked capacitor elements 36, The capacitor element 36 is laminated on the anode terminal 32 and the cathode terminal 33 as conductive contacts, and the capacitor body composed of the electric grid element 36, the anode terminal 32 and the cathode terminal 33 is covered with a synthetic resin 34 荨 encapsulating material. . As shown in FIG. 3, the capacitor element 36 is formed with a dielectric emulsification film 362 and a cathode layer 363 on the surface of the metal conductor 361 which is an anode body. The cathode layer 363 is preferably a polythiophene. A polyelectrophene-based conductive polymer 8 is composed of a solid electrolyte layer 363a, a carbon layer 363b, and a silver coating layer 363c, and a portion of the dielectric oxide film 362 on which the cathode layer 363 is formed is formed. The cathode portion 368, the portion where the cathode layer 363 is not formed is formed as the anode portion 367; the electric grid element 36 of such a configuration is first overlapped, and the anode portions 367 of the adjacent capacitor cores 36 are mutually Solder fixed. Wherein, between the cathode portions 368 of the adjacent capacitor elements 36, and between the cathode portion and the cathode terminal of the lowermost electric capacitor member, the side of the cathode portion is provided with silver paste, silver alloy glue or The conductive adhesive of the material of the material is 5〇, and one side of the base of the cathode portion is provided with an insulating glue 7〇, and the laminated capacitor elements are fixed to each other by the adhesive 50 and the insulating glue 70 to form a stack. Layer type solid electrolytic capacitor 3 〇. In the vicinity of the boundary 35 between the cathode portion 368 and the anode portion 367 in the bottom surface of the anode terminal 32 of the anode portion 367, another insulating paste 70a is coated, whereby the other insulating rubber 7a, the insulating rubber 7 Elasticity, when the anode terminal is connected to the end of the bent anode terminal by the splicing process, or when the anode terminal is bent at the time of packaging, the external force is absorbed to reduce the stress generated by the anode portion and the cathode portion. As a result, it is possible to suppress an increase in leakage current of the capacitor due to damage of the anode portion 367 at or near the junction of the anode portion 367 and the cathode portion 368 due to an external force, and a defect due to a short circuit. The invention also has the function of the conductive adhesive and the insulating rubber provided on the lower side of the cathode portion, and the anode terminal is connected by welding, or the anode terminal and the cathode portion of the 201030785 which are bent and concentrated are not applied when the package is applied. The cathode portion is curved to form a condition in which the thickness of both ends is different. Please refer to FIG. 4, which is a schematic diagram of another embodiment of the stress-receiving mechanism of the anode end of the solid electrolytic capacitor of the present invention. In this embodiment, the solid electrolytic capacitor 30 has a plurality of capacitor elements 36. The capacitor element 36 is laminated on the anode terminal 32 and the cathode terminal 33 as the conductive contacts; the other side of the anode terminal 32 and the cathode terminal 33 is also provided with another set of majority elements 36, and then the synthetic tree wax 34 The capacitor body of the package material = electric valley: element 36, anode terminal 32 and cathode terminal is covered. The capacitor element 36 thus constructed is first overlapped and the anode portions of adjacent capacitor elements 36 are initially combined with each other. Welding 3: Wherein the cathode portion 368 of each capacitor element 36 is lubricated, and the side of the end portion of the capacitor element 36 is provided with a silver paste, a silver alloy glue or a conductive paste of the edge material, 5 靠近 near the base of the base. On the other hand, it is provided that the laminated capacitors are fixed to the cathode terminals by the conductive paste 50 and the insulating tapes, and the laminated & solid electrolytic capacitors 3 are formed. The anode terminal 32 of the anode portion 367 In the vicinity of the junction base 35 of the cathode two-way anode portion 367 of the surface, 'the other 70/7〇a' is coated with the other insulating glue 70a and the above-mentioned insulating glue, and the anode end is used when the external force is applied by welding. When connecting or sealing 201030785, the anode terminal 367 and the cathode portion 368 of the bent anode terminal are biased to absorb external force and reduce the anode portion and the cathode portion to be produced. The capacitance caused by the damage of the anode portion 367 near the cathode portion due to the external force is increased: the leakage current is increased, and the failure rate due to the short circuit is greatly improved. Eight good, as shown in Figs. 5A and 5B. The material may be any metal alloy guide = 37, and then the electric material 37 of the anode portion w is connected to the anode terminal by means of welding, and the end of the electrode is connected by a welding process. When the anode end is connected to the anvil, or when the external force is applied to the anode end to absorb the external force and the anode portion and the cathode portion are reduced, the anode end 2 absorption mechanism of the solid electrolytic capacitor of the present invention does have An unprecedented innovation, see: Any publication 'and no similarity on the market: production... 其 , 其 其 其 其 其 其 其 其 另外 另外 另外 另外 另外 另外 另外 另外 另外 另外 另外 另外 另外 另外 另外 另外 另外 另外 另外 另外 另外 另外 另外 另外 另外 另外 另外 另外 另外 另外 另外 另外 另外 另外 另外 另外The progress of the patent law application for the invention patent of the National Patent Law. The specification of the requirements is based on the law X, which is only the best embodiment of the invention, but the structural features of the invention of 2010 201030785 It is not limited thereto, and any person skilled in the art who can easily think of changes or modifications in the field of the invention can be covered in the following patent scope of the present invention.
12 201030785 【圖式簡單說明】 第1A〜1C圖為習用固態電解電容器之剖面示意 圖。 第 2圖為本發明固態電解電容器之剖面示意 圖。 第3圖為本發明固態電解電容器之電容器元 件單元之剖面示意圖。 φ 第4圖為本發明固態電解電容器之另一實施 例之剖面示意圖。 第5A、5B圖為本發明固態電解電容器之再一 實施例之剖面示意圖。 【主要元件符號說明】 30 :固態電解電容器 36 :電容器元件 32 :陽極端子 33 :陰極端子 3 4 :合成樹脂 361 :導電體 362 :介電質氧化膜 363 :陰極層 363a :固體電解質層 3 6 3 b :碳層 363c :銀塗料層 368 :陰極部 367 :陽極部 50 :導電膠 70 :絕緣膠 35 :交界基部 70a :另一絕緣膠 37 :導電物 1312 201030785 [Simple description of the drawings] Figures 1A to 1C are schematic cross-sectional views of conventional solid electrolytic capacitors. Fig. 2 is a schematic cross-sectional view showing a solid electrolytic capacitor of the present invention. Fig. 3 is a schematic cross-sectional view showing a capacitor element unit of the solid electrolytic capacitor of the present invention. φ Fig. 4 is a schematic cross-sectional view showing another embodiment of the solid electrolytic capacitor of the present invention. 5A and 5B are schematic cross-sectional views showing still another embodiment of the solid electrolytic capacitor of the present invention. [Description of main component symbols] 30: Solid electrolytic capacitor 36: Capacitor component 32: Anode terminal 33: Cathode terminal 3 4: Synthetic resin 361: Conductor 362: Dielectric oxide film 363: Cathode layer 363a: Solid electrolyte layer 3 6 3b: carbon layer 363c: silver paint layer 368: cathode portion 367: anode portion 50: conductive paste 70: insulating paste 35: interface base 70a: another insulating paste 37: conductive material 13