TW201036010A - Coating method for conductive coil - Google Patents

Coating method for conductive coil Download PDF

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Publication number
TW201036010A
TW201036010A TW98108515A TW98108515A TW201036010A TW 201036010 A TW201036010 A TW 201036010A TW 98108515 A TW98108515 A TW 98108515A TW 98108515 A TW98108515 A TW 98108515A TW 201036010 A TW201036010 A TW 201036010A
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Taiwan
Prior art keywords
coating
conductive coil
conductive
insulating layer
insulating
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TW98108515A
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Chinese (zh)
Inventor
ren-yao Hu
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Inno Trans Technology Co Ltd
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Priority to TW98108515A priority Critical patent/TW201036010A/en
Publication of TW201036010A publication Critical patent/TW201036010A/en

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Abstract

The present invention discloses a coating method for a conductive coil, the method comprises the steps of: providing a conductive wire with a predetermined length; winding the conductive wire to form a conductive coil with a predetermined number of turns; then electrically coating the conductive coil by providing water-soluble insulating paint with charge ions, driving the insulating paint toward the conductive coil of the polarity opposite to the insulating paint, covering the insulating paint entirely over the surface of the conductive coil; and finally hardening the insulating paint covering the surface of the conductive coil to form an insulation layer on the surface of the conductive coil. Through this invention, the process of electrical coating is performed after the conductive wire is wound to be the conductive coil, so as to prevent the damage to the insulation layer caused by the process of bending and winding, and thereby increase the yield of the product.

Description

201036010 六、發明說明: 【發明所屬之技術領域】 本發明係有關-種導電線_塗裝方法,尤指—種非圓柱狀導電 線材所纏繞成形導電線圈的塗裝方法。 【先前技4奸】 感應線圈係為-種載流元件’當通以電流可產生磁場 電感或變壓料電子元件上。-般的感應線_由形線狀的金屬 導體纏繞呈職結構卿成,並於金屬導體表_有—層絕緣漆。理 Q 想的環境下’通過金屬導體内的電子應該均勻分布於截面積上:然而, 實際上’特別是高頻的狀態,金屬導體内的電子集中於表面的位置, 使得中央區輕泛化’亦齡金屬導贿能運送電子的面積,大幅減 低電子傳送的效率’稱為集膚效應(Skin Effect)。尤其是目前電子產品 對於功率的需求日益增加,亦增添了感應線_負擔,若僅使用較大 截面積的圓柱狀金屬導線來克服問題,無疑是限制了電子產品微型化 的可能。 為能夠解決上述圓柱狀金屬導線的問題,業界發展出扁平導線。 相較於圓柱狀金屬導線,扁平導線具有較大的表面積,縱使在高頻的 〇 狀態下,也能提供較佳的電流運送量。除此之外,扁平導線亦可避免 在纏繞堆#成細雜時所產生多制郎:,可喊少賴的體積, 符合電子產品微型化的需求。一般扁平導線在製作的過程,首先將金 屬(如銅金屬等)壓力加工’使金屬強行通過模具,而得到所預先設定截 面積尺寸的圓柱狀裸線。再者,將該圓柱狀裸線再一次經過外力擠壓 开/變成扁平狀裸線。為能使該扁平裸線具有絕緣的能力,於該扁平裸 線外層附有一層絕緣層。常見用來將絕緣材料塗佈於扁平裸線的方 法,係透過浸泡的方式,該絕緣材料附著於扁平裸線上再加以烘烤形 成該絕緣層。 201036010 然而,透過浸泡的方法’因具備大量的溶劑,將會導致環境的污 染。因此近年來,不須使用溶劑的靜電粉末塗裝卿物她p〇wder201036010 VI. Description of the Invention: [Technical Field] The present invention relates to a conductive wire coating method, and more particularly to a method of coating a conductive coil wound by a non-cylindrical conductive wire. [Previous technology] The induction coil is a kind of current-carrying element'. When a current is passed, a magnetic field inductance or a transformer material can be generated. The general induction line _ is formed by a wire-shaped metal conductor wrapped in a service structure, and has a layer of insulating paint on the metal conductor. In the environment of Q, the electrons passing through the metal conductor should be evenly distributed over the cross-sectional area: however, in fact, especially in the high-frequency state, the electrons in the metal conductor are concentrated on the surface, making the central area lighter. 'Eight-age metal-induced bribery can transport electrons in an area that greatly reduces the efficiency of electron transport', called the Skin Effect. In particular, the increasing demand for power of electronic products has also added a sense line-burden. If only a cylindrical metal wire with a large cross-sectional area is used to overcome the problem, it is possible to limit the possibility of miniaturization of electronic products. In order to solve the above problem of the cylindrical metal wire, the industry has developed a flat wire. Compared to cylindrical metal wires, flat wires have a large surface area, which provides a better current carrying capacity even in the high-frequency 〇 state. In addition, the flat wire can also avoid the production of multiple coils when the winding pile becomes fine: it can shout less volume and meet the needs of miniaturization of electronic products. In the process of manufacturing a flat wire, a metal (e.g., copper metal, etc.) is first subjected to press processing to force the metal through the die to obtain a cylindrical bare wire having a predetermined cross-sectional area. Further, the cylindrical bare wire is again pressed by an external force to become a flat bare wire. In order to enable the flat bare wire to have an insulating property, an insulating layer is attached to the outer layer of the flat bare wire. A commonly used method for applying an insulating material to a flat bare wire is by dipping, the insulating material is attached to a flat bare wire and baked to form the insulating layer. 201036010 However, the method of immersion is caused by a large amount of solvent, which will cause environmental pollution. Therefore, in recent years, electrostatic powder coating without using solvents has been applied to her p〇wder

Coating)方法亦廣鱗界所接受靜··裝法碰粉末紐引入一 喷搶中,該嗔搶前端具有-氣流噴π用以喷出該粉末塗料至所欲塗裝 的物件上。此外,該噴搶前端亦設有一高壓電極,當所欲喷塗的物件 接地時,該高壓電極會對該物件產生電暈放電。經過該高壓電極的粉 末塗料會從5亥喷搶前端的高壓電極取得負電荷,此時,粉末塗料將會 被中性的物件所吸引,進峨著於該物件的表面,達到塗裝的效果。 最後,將完餅f錄的斜導_繞成猶制,以作為其他電子 Ο 元件組裝使帛然而,無4使帛前述何種上漆方法,位於該扁平狀裸 線四個角落_緣漆由於畴厚度較小,铺造扁平導線的過程中以 及將扁平導線彎折為螺旋線圈紅序中,容易因為扁平狀裸線拉伸或 擠壓改變表Φ積峨落或破裂,尤其是位於彎折端點的位置,損壞絕 緣層的絕緣絲。如此’可能會造成祕,影響電子元件的正常 【發明内容】 ▲本之主要目的,在於避免扁平線騎製造時造成絕緣層的損 壞’以提南產品良率。為達上述目的,本發明提供一種導電線圈的塗 0 裝方法,包括步驟有: a) 提供導電線材的步驟:該導電線材具有-既定長度; b) 線圈纏繞的步驟:將該導電線材纏繞為一由既定數目的阻圈 所組成的導電線圈; c) 電著塗裝的步驟:提供水溶性帶有電荷離子的絕緣塗料,並 驅動在邑緣塗料在該導電線圈移動,使該絕緣塗料完整包覆 於該導電線圈表面位置;以及 Φ形成絕緣層的步驟:硬化位於該導電線圈表面位置的絕緣塗 •斗於汶導電線圈表面形成一絕緣層,藉此,使該導電線圈 4 201036010 完整受到絕緣層眺護,提冑絕緣的效果。 其中’該絕緣塗料係為陰離子電著塗料,該陰離子電著塗料可為 陰離子壓克力樹脂或陰離子驗s旨樹脂^或者該麟紐係為陽離子 電著塗料,該陽離子電著塗料可為陽離子環氧樹脂、陽離子壓克力樹 脂或聚醯胺酯樹脂》 於該形成絕緣層的步驟巾,依腿緣塗料的不同,施以—硬化溫 度或-硬化紐光,使該些絕緣塗料硬化形絲絕緣層。 為能增加本發明之絕緣效果,在完成該形成絕緣層的步驟後,重 複進行該電著塗裝的步驟以及形成絕緣層的步驟以增加該絕緣層的數 目。δ亥絕緣層的數目係介於1至$層。 本發明導電線_塗裝方法躲導魏材進行完祕繞形成導電 線圈後再進行電著塗裝的工序,使絕緣塗料得以附著於該導電線圈 的表面,不會因為後續的加工流程而破壞絕緣層的結構。如此,有效 避免傳統將漆包線纏繞時可能導致絕緣層剝落或破裂的現象,有效提 升產品的良率。 【實施方式】 2關本發明之詳細說明及技術内容,現就配合圖式說明如下: D 閱®丨』所7^係本發明—較佳實施例之㈣方塊示意圖, 圖所不Y本發於為_種導電線_塗裝方法,包括步驟有: a) 提供導電線材的步驟(S1G):該導電線材具有__既定長度; b) 線圈纏繞的步驟(S20):將該導電線材纏繞為一由既定數目的 阻圈所組成的導電線圈; c) 電著塗裝的步驟_:提供水溶性帶有電荷離子的絕緣塗 料,並驅動該絕緣塗料往具有與該絕緣塗料相異極性的該導 電線圈移動’使該絕緣塗料完整包覆於該導電線圈表面位 置;以及 5 201036010 d)形成絕緣層的步驟(S40):硬化位於該導電線圈表面位置的絕 緣塗料,於該導電線圏表面形成一絕緣層,藉此,使該導電 線圈完整受到絕緣層的保護,提高絕緣的效果。 除此之外’雜增減導電線__效果,在完成該形成絕緣 層的步驟(_)後,將該導電線圈重複進行該電著塗裝的步驟(S3〇)以 及形成絕緣層的步驟(S40)以增加該絕緣層的數目。 於本發明中’該導電線材可為—既定長度的圓柱型線材;或為一 既定長度的扁平線、矩形線、不規則線等義柱形線材。於本實施例 巾’係以扁平線為例,請參閱『圖2-1』所示;扁平型的導電線材1〇, 〇 其通過截面中心處具有第一軸距R1以及第二軸距R2,該第一轴距The coating method is also accepted by the wide-scale scale. The method of introducing the powder into the powder is introduced into the spray. The front end of the grab has a jet of gas π for ejecting the powder coating onto the object to be coated. In addition, the front end of the spray is also provided with a high voltage electrode which generates a corona discharge to the object when the object to be painted is grounded. The powder coating passing through the high-voltage electrode will take a negative charge from the high-voltage electrode of the front end of the 5 ray spray. At this time, the powder coating will be attracted by the neutral object and enter the surface of the object to achieve the coating effect. . Finally, the oblique guide _ of the finished cake is wound into a hesitation to be assembled as another electronic Ο element. However, no 4 is used to smear the above-mentioned lacquering method, which is located in the four corners of the flat bare ray. Due to the small domain thickness, during the process of laying the flat wire and bending the flat wire into the red sequence of the spiral coil, it is easy to change or collapse due to the stretching or extrusion of the flat bare wire, especially at the bend. The position of the end point is broken, and the insulating wire of the insulating layer is damaged. Such a 'may cause a secret, affecting the normality of electronic components. [Summary of the invention] ▲ The main purpose of this is to avoid damage to the insulating layer during the manufacture of flat wire rides. To achieve the above object, the present invention provides a method of coating a conductive coil, comprising the steps of: a) providing a conductive wire: the conductive wire has a predetermined length; b) winding the coil: winding the conductive wire a conductive coil consisting of a predetermined number of barrier rings; c) an electrocoating step of providing a water-soluble insulating coating with a charge ion and driving the coating on the conductive coil to move the conductive coating to complete the insulating coating a step of coating the surface of the conductive coil; and Φ forming an insulating layer: hardening an insulating coating on the surface of the conductive coil to form an insulating layer on the surface of the conductive coil, thereby completely enclosing the conductive coil 4 201036010 Insulation layer protection, lifting insulation effect. Wherein the insulating coating is an anionic electrocoating, the anionic electrocoating may be an anionic acrylic resin or an anionic resin, or the lining is a cationic electrocoat, and the cationic electrocoat may be a cation Epoxy resin, cationic acrylic resin or polyurethane resin in the step of forming the insulating layer, depending on the leg coating, applying a curing temperature or a hardening neon light to harden the insulating coating Silk insulation. In order to increase the insulating effect of the present invention, after the step of forming the insulating layer is completed, the step of electrocoating and the step of forming an insulating layer are repeated to increase the number of the insulating layer. The number of δ hai insulating layers is between 1 and $ layers. The conductive wire_coating method of the invention avoids the process of electroforming the conductive coil after the conductive material is formed, so that the insulating coating can be attached to the surface of the conductive coil without being damaged by the subsequent processing flow. The structure of the insulating layer. In this way, it is effective to avoid the phenomenon that the insulation layer may be peeled off or cracked when the enameled wire is entangled, and the yield of the product is effectively improved. [Embodiment] 2 The detailed description and technical contents of the present invention will now be described with reference to the following drawings: D READ® 所 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 7 The method for coating a conductive wire includes the steps of: a) providing a conductive wire (S1G): the conductive wire has a predetermined length; b) a step of winding the coil (S20): winding the conductive wire a conductive coil consisting of a predetermined number of barrier rings; c) an electrocoating step _: providing a water-soluble insulating coating with a charge ion and driving the insulating coating to have a polarity opposite to the insulating coating The conductive coil moves 'to completely encapsulate the insulating coating on the surface of the conductive coil; and 5 201036010 d) a step of forming an insulating layer (S40): hardening an insulating coating on a surface of the conductive coil, on the surface of the conductive coil An insulating layer is formed, whereby the conductive coil is completely protected by the insulating layer, and the insulating effect is improved. In addition to the 'heterogeneous increase and decrease of the conductive line__ effect, after the step (_) of forming the insulating layer is completed, the conductive coil is repeatedly subjected to the step of electrocoating (S3〇) and the step of forming an insulating layer (S40) to increase the number of the insulating layers. In the present invention, the conductive wire may be a cylindrical wire of a predetermined length; or a rectangular wire of a predetermined length such as a flat wire, a rectangular wire or an irregular wire. In the embodiment, the towel is taken as an example, as shown in FIG. 2-1. The flat conductive wire 1〇 has a first wheelbase R1 and a second wheelbase R2 through the center of the section. The first wheelbase

Ri與4第—軸距R2係為不等長關係。將導電線材利用人工或者 機械的方式,雜為-由既定數目紐圈η所組成的導電線圈2〇, 如『圖2-2』所示。該導電線圈20可依照不同需求決定關η的數 目,使該導電線圏20得以適用於各種的電子裝置。 待το成該導電線圈20後,利用電著塗裝的方式將絕緣塗料附著 於該導電線® 2G的表面。首先,雜麟的該導電線圈μ浸泡於水 溶性帶有電荷軒舰驗射,親驗料可目應陽離子電著塗裝 〇 或陰離子電著塗裝而分別選用陽離子電著塗料或陰離子電著塗料;該 陽離子電著塗料可為陽離子環氧樹脂、陽離子壓克力樹脂或聚酿胺輯 樹脂,該陰離子f著塗制可為陰離子壓克力職或陰離子聚胺醋樹 脂。於該絕緣塗料中設有二相異極性的電極,並將該導電線圈20電 接與_緣塗料相反極性的電極上’該二相異電極之間所使用的 電壓係介於30V至300V之間。當施加電壓後’該些絕緣塗料往該導 電線圈20方向移動’並包覆於該導電線圈20的表面。當完成將該絕 緣塗料附著於料電義2G表面後,可利賴硬化製程,使該些絕 緣塗料硬化形成一絕緣層3〇覆蓋於該導電線圈2〇的表面,如『圖2_3』 6 201036010 所示。其中,進行熱硬化製程時,則施以一硬化溫度,該硬化溫度係 介於100°C至250。(:,施加該硬化溫度的時間係介於5至6〇分鐘。除 了熱硬化製程之外,亦可使用光硬化製程硬化該絕緣塗料,其中,可 選用紅外光或料光等硬倾紋。制級化製減熱硬化製程係 根據絕緣塗料的不同而選擇。此外,若欲增加該導電線圈2〇的絕緣 效果,可以於完成絕緣塗料硬化後,再次進行電著塗裝,以增加該絕 緣層30的數目,如『圖2_4』所示。其中,該絕緣層3〇的數目係介 於1至5層。 綜上所述,由於本發明導電線圈的塗裝方法係將導電線材完成纏 繞後’才it行電著錄形成職層,不同於傳紐導電__先進行電 著塗裝後,才開始纏繞成線圈。因此,可以避免附著於導電線材上的 絕緣層,因為賊駐序而使得其邊緣或端触裂、損傷,得以提升 產品的生產良率。因此本發明極具進步性及符合申請發明專利之要 件’妥依法提出申請,祈釣局早曰賜准專利,實感德便。 以上已將本發明做—詳細說明,惟以上所述者,僅爲本發明之— 〇 實施例而已,富不能限定本發明實施之範圍。即凡依本發明申請 I巳圍所作之均等變化與修飾等,皆應仍屬本發明之專利涵蓋範圍内。 201036010 【圖式簡單說明】 圖1,係本發明導電線圈的塗裝方法一較佳實施例的步驟方塊示意圖 圖2-1至2-4,係本發明導電線圈的塗裝方法中一較加實施例的步驟 流程不意圖 【主要元件符號說明】 10.............導電線材 20 .............導電線圈 21 .............阻圈 30.............絕緣層 〇 R1.............第一軸距 R2.............第二軸距Ri and 4th wheelbase R2 are in unequal length relationship. The conductive wire is manually or mechanically mixed, and the conductive coil 2 is composed of a predetermined number of turns η, as shown in Fig. 2-2. The conductive coil 20 can determine the number of turns η according to different requirements, so that the conductive wire 20 can be applied to various electronic devices. After the conductive coil 20 is formed, the insulating coating is adhered to the surface of the conductive wire 2G by electrocoating. First, the conductive coil μ of the hybrid Lin is immersed in a water-soluble charged vessel, and the pro-inspection can be applied to the cationic electrocoat or anion electrocoating, respectively, and the cationic electrocoat or anion is used respectively. The coating; the cationic electrocoat can be a cationic epoxy resin, a cationic acrylic resin or a polyacrylic resin, and the anion f can be an anionic acrylic or an anionic polyurethane resin. A two-phase heteropolar electrode is disposed in the insulating coating, and the conductive coil 20 is electrically connected to the electrode of opposite polarity to the edge coating. The voltage used between the two-phase different electrodes is between 30V and 300V. between. When the voltage is applied, the insulating coatings are moved toward the conductive coil 20 and coated on the surface of the conductive coil 20. After the insulating coating is adhered to the surface of the electric 2G, the hardening process can be performed to harden the insulating coating to form an insulating layer 3 covering the surface of the conductive coil 2, as shown in Fig. 2_3. Shown. Wherein, in the case of the thermosetting process, a hardening temperature is applied, which is between 100 ° C and 250 ° C. (: The time for applying the hardening temperature is 5 to 6 minutes. In addition to the heat hardening process, the insulating coating may be hardened by a photohardening process, in which hard light such as infrared light or light is used. The graded reduction heat-hardening process is selected according to the different insulation coatings. In addition, if the insulation effect of the conductive coil 2 is to be increased, the insulation coating can be hardened and then electro-painted again to increase the insulation. The number of layers 30 is as shown in Fig. 2_4, wherein the number of the insulating layers 3〇 is between 1 and 5. According to the above, since the conductive coil of the present invention is coated, the conductive wires are wound. After the 'it is the electric record to form the job layer, unlike the transmission of the conductive __ first after the electric painting, it began to be wound into a coil. Therefore, the insulation layer attached to the conductive wire can be avoided, because the thief is in the order The edge or end of the edge is cracked and damaged, and the production yield of the product can be improved. Therefore, the invention is highly progressive and meets the requirements of the invention patent application, and the application is made according to the law. The present invention has been described in detail above, but the above is only the embodiment of the present invention, and the scope of the present invention is not limited to the scope of the present invention. Equivalent changes and modifications, etc., should still fall within the scope of the patent of the present invention. 201036010 [Simplified Schematic] FIG. 1 is a block diagram of a preferred embodiment of a method for coating a conductive coil of the present invention. 2-4, the step of the coating method of the conductive coil of the present invention is not intended to be [the main component symbol description] 10.............the conductive wire 20 .. ...........Conductive coil 21 .............Resistance ring 30.............Insulation layer 〇R1... ..........first wheelbase R2.............second wheelbase

Claims (1)

201036010 七、申請專利範圍: 1· -種導電線圈的Μ方法,包括步驟有: 提供導電線材的步驟:該導魏材具有-既定長度; 線圈纏繞的步驟.將該導電線材魏為_由既定數目舰 的導電線圈; 電著塗裝的步驟:提供水溶性帶有電荷離子_緣祕,並驅動該 =緣塗料往具有與麵緣塗料減極性_導電義移動,使該絕緣塗 料完整包覆於該導電線圈表面位置;以及201036010 VII. Patent application scope: 1· - A method for the conductive coil, including the steps of: providing a conductive wire: the guide material has a predetermined length; the coil winding step. The conductive wire is _ by the established The number of conductive coils of the ship; the step of electrocoating: providing water-soluble with charged ions _ secret, and driving the = edge coating to reduce the polarity of the coating with the edge coating _ conductive meaning, so that the insulating coating is completely covered At the surface of the conductive coil; 形成絕緣層齡驟:硬化位魏導電_表錄置魏驗料,使 $於該導電線圈表面形成—絕緣層,藉此,使該導電線圈完整受到絕緣 層的保護’提高絕緣的效果。 2.如申請專利範圍第1項所述導電線圈的塗裝方法,其中,在完成該形成 絕緣層的步驟後1複進行該電著塗裝的步驟以及形成絕緣層的步驟以 增加該絕緣層的數目。 3·如申請專利範圍第2項所述導電線_塗裝方法,其中,該絕緣層的數 目係介於1至5層。 4· 7申Μ專利細第1項所述導鶴闕塗裝方法,其巾,於該形成絕緣 的步驟施以一硬化溫度,使該些絕緣塗料硬化形成該絕緣層。 5. 如申請專利範圍第4項所述導電線圈的塗裝方法,其中,該硬化溫度係 介於 loot 至 25(TC。 6. 如申請專利範圍第4項所述導電線圈的塗裝方法,其中,施加該硬化溫 度的時間係介於5至60分鐘。 7·如申請專利範圍第1項所述導電線圈的塗裝方法,其中,於該形成絕緣 的乂驟,施以一硬化激發光,使該絕緣塗料硬化形成該絕緣層。 8·如申請專利範圍第7項所述導電線圈的塗裝方法,其中,該硬化激發光 為紅外光或紫外光。 201036010 9. 如申請專利範圍第1項所述導電線圈的塗裝方法,其中,該絕緣塗料係 為陰離子電著塗料,該陰離子電著塗料可為陰離子壓克力樹脂或陰離子 聚胺酯樹脂。 10. 申請專利範圍第1項所述導電線圈的塗裝方法,其中,該絕緣塗料係為 陽離子電著塗料,該陽離子電著塗料可為陽離子環氧樹脂、陽離子壓克 力樹脂或聚醯胺酯樹脂。The formation of the insulating layer is as follows: the hardening level Wei conductive_there is a Wei test, so that an insulating layer is formed on the surface of the conductive coil, thereby making the conductive coil completely protected by the insulating layer' to improve the insulation effect. 2. The method of coating a conductive coil according to claim 1, wherein the step of performing the electrocoating and the step of forming an insulating layer are performed after the step of forming the insulating layer to increase the insulating layer Number of. 3. The conductive wire_coating method according to claim 2, wherein the number of the insulating layers is from 1 to 5 layers. 4. The method for coating a crane according to the first aspect of the invention, wherein the towel is subjected to a hardening temperature in the step of forming the insulating layer to harden the insulating coating to form the insulating layer. 5. The method of coating a conductive coil according to claim 4, wherein the hardening temperature is between loot and 25 (TC. 6. The method of coating the conductive coil according to claim 4 of the patent application scope, The method of applying the hardening temperature is in the range of 5 to 60 minutes. 7. The method of coating a conductive coil according to claim 1, wherein the hardening excitation light is applied to the step of forming the insulation. The method of coating a conductive coil according to claim 7, wherein the hardened excitation light is infrared light or ultraviolet light. 201036010 9. A method for coating a conductive coil, wherein the insulating coating is an anionic electrocoat, and the anionic electrocoat can be an anionic acrylic resin or an anionic polyurethane resin. A coating method of a conductive coil, wherein the insulating coating is a cationic electrocoat, and the cationic electrocoat can be a cationic epoxy resin, a cationic acrylic resin or a polyamidolate tree. .
TW98108515A 2009-03-17 2009-03-17 Coating method for conductive coil TW201036010A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI475572B (en) * 2011-11-22 2015-03-01 Innotrans Technology Co Ltd Manufacturing method of insulated coil

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI475572B (en) * 2011-11-22 2015-03-01 Innotrans Technology Co Ltd Manufacturing method of insulated coil

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