TWI719454B - 複合鏡座的製作方法、音圈馬達及電子產品 - Google Patents

複合鏡座的製作方法、音圈馬達及電子產品 Download PDF

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TWI719454B
TWI719454B TW108113856A TW108113856A TWI719454B TW I719454 B TWI719454 B TW I719454B TW 108113856 A TW108113856 A TW 108113856A TW 108113856 A TW108113856 A TW 108113856A TW I719454 B TWI719454 B TW I719454B
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lens holder
coil
plastic lens
composite lens
manufacturing
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TW202038474A (zh
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陳信文
李堃
劉皓中
張龍飛
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大陸商三贏科技（深圳）有限公司
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Abstract

一種複合鏡座的製作方法，包括以下步驟：成型一塑膠鏡座；通過鐳射蝕刻方式在所述塑膠鏡座表面形成線路圖案；在所述線路圖案上化學鍍金屬以形成線圈，從而得到所述複合鏡座。本發明還提供一種音圈馬達，包括上述方法所製作的複合鏡座，本發明還提供一種電子產品包括所述音圈馬達。

Description

複合鏡座的製作方法、音圈馬達及電子產品
本發明涉及光學器件領域，尤其涉及一種複合鏡座的製作方法、音圈馬達及電子產品。
隨著時代的發展以及電子產品的拍照技術的進步，要求電子產品的音圈馬達尺寸越來越小，因此音圈馬達中的塑膠鏡座越來越薄，導致塑膠鏡座本身的強度不足。
通常，音圈馬達中的線圈是以纏繞的方式與塑膠鏡座結合，由細銅線纏繞在塑膠鏡座形成線圈，但在線圈的銅線兩段，容易發生斷線；因塑膠鏡座厚度的限制，無法挑戰小尺寸音圈馬達，產品競爭力差；傳統的纏繞式線圈，可靠性較差，線圈纏繞情況對音圈馬達性能有較大影響，產品合格率較低；傳統的纏繞式線圈製作的塑膠鏡座與鏡頭之間的扭力不穩定，影響產品性能。
因此，有必要提供一種加工工藝將塑膠鏡座與線圈結合起來，以解決上述問題。
此外，本發明還提供一種音圈馬達。
此外，本發明還提供一種電子產品。
一種複合鏡座的製作方法，包括以下步驟：成型一塑膠鏡座；通過鐳射蝕刻方式在所述塑膠鏡座表面形成線路圖案； 在所述線路圖案上化學鍍金屬以形成線圈，從而得到所述複合鏡座。
進一步地，還包括在線圈表面形成金屬保護層的步驟，所述金屬保護層的材料包括鎳、金、鉑元素中的一種或多種。
進一步地，還包括在線圈上進行表面處理的步驟，所述表面處理包括電鍍底漆和/或面漆，所述表面處理用於防止線圈的氧化。
進一步地，所述塑膠鏡座的材質包括金屬氧化物和基體材料，所述金屬氧化物在鐳射刻蝕時釋放出金屬離子；所述基體材料為塑膠，包括聚碳酸酯和丙烯腈-丁二烯-苯乙烯共聚物或混合物、聚氨酯類、聚酯類、聚碳酸酯類中的至少一種。
進一步地，所述基體材料包括聚碳酸酯、聚己二醯丁二胺、滌綸樹脂、工業化液晶聚合物、聚鄰苯二甲醯胺中的至少一種。
進一步地，所述線圈的材質為銅。
一種音圈馬達，包括所述複合鏡座的製作方法製作的複合鏡座，所述複合鏡座包括塑膠鏡座及設置於所述塑膠鏡座上的線圈，所述塑膠鏡座大致為中空的柱狀結構，所述塑膠鏡座具有一線路圖案，所述線路圖案遠離所述中空的表面，所述線圈為呈層狀包覆於所述塑膠鏡座的線路圖案。
一種電子產品，包括所述音圈馬達。
本發明實施例所提供的複合鏡座，是採用鐳射直接成型技術在塑膠鏡座的特定區域形成線圈，所述線圈與塑膠鏡座的結合力強，相比於現有技術，線圈的品質減小，有利於增強線圈與塑膠鏡座之間的扭力，複合鏡座的總體重量減小，可有效降低音圈馬達的啟動電流，從而降低能耗；另塑膠鏡座較現有技術可以減小厚度，利於製造更小尺寸的音圈馬達。
100:複合鏡座
12:塑膠鏡座
122:線路圖案
14:線圈
200:音圈馬達
300:電子產品
圖1為本發明實施例提供的一種複合鏡座的製作方法的方法流程圖。
圖2為本發明實施例提供的一種塑膠鏡座的結構示意圖。
圖3為本發明實施例提供的一種複合鏡座的結構示意圖。
圖4為本發明實施例提供的一種音圈馬達的結構示意圖。
圖5為本發明實施例提供的一種電子產品的結構示意圖。
為了能夠更清楚地理解本發明的上述目的、特徵和優點，下面結合附圖和具體實施方式對本發明進行詳細描述。需要說明的是，在不衝突的情況下，本申請的實施方式及實施方式中的特徵可以相互組合。在下面的描述中闡述了很多具體細節以便於充分理解本發明，所描述的實施方式僅僅是本發明一部分實施方式，而不是全部的實施方式。基於本發明中的實施方式，本領域普通技術人員在沒有做出創造性勞動前提下所獲得的所有其他實施方式，都屬於本發明保護的範圍。
除非另有定義，本文所使用的所有的技術和科學術語與屬於本發明的技術領域的技術人員通常理解的含義相同。本文中在本發明的說明書中所使用的術語只是為了描述具體的實施方式的目的，不是旨在於限制本發明。本文所使用的術語“和/或”包括一個或多個相關的所列項目的所有的和任意的組合。
在本發明的各實施例中，為了便於描述而非限制本發明，本發明專利申請說明書以及權利要求書中使用的術語"連接"並非限定於物理的或者機械的連接，不管是直接的還是間接的。"上"、"下"、"下方"、"左"、"右"等僅用於表示相對位置關係，當被描述物件的絕對位置改變後，則該相對位置關係也相應地改變。
請參閱圖1，本發明較佳實施例提供了一種複合鏡座的製作方法，包括以下步驟：步驟S1：成型一塑膠鏡座12；步驟S2：通過鐳射蝕刻方式在塑膠鏡座12表面形成線路圖案122；步驟S3：在所述線路圖案122上化學鍍金屬以形成線圈14，從而得到複合鏡座100。
在步驟S1中，所述塑膠鏡座的材質包括金屬化合物與一塑膠基體，將所述塑膠鏡座的材質在一製作塑膠鏡座12的模具內射出成型製作成塑膠鏡座12。
進一步地，所述金屬化合物為金屬有機絡合物，所述金屬有機絡合物是作為所述塑膠鏡座材質的助劑，提高所述塑膠鏡座的材質對鐳射的敏感程度，所述金屬有機絡合物均勻的分散在基體材料中，在鐳射刻蝕過程中能夠釋放出金屬離子。
所述基體材料為塑膠，其中基體材料的主要成分是熱塑性塑膠，所述基體材料包括，但並不限於，聚碳酸酯和丙烯腈-丁二烯-苯乙烯共聚物或混合物(PC/ABS)、聚氨酯類、聚酯類、聚碳酸酯類，優選地為聚碳酸酯(PC)、聚己二醯丁二胺(PA46)、滌綸樹脂(PET)、工業化液晶聚合物(LCP)、聚鄰苯二甲醯胺(PPA)。所述基體材料對鐳射的敏感程度低，在鐳射刻蝕時，基體材料能夠保持原樣，在本實施例中，所述材質形成塑膠鏡座12，作為所述線圈14的承載體。
在步驟S2中，對塑膠鏡座12的表面的特定區域鐳射刻蝕形成一線路圖案122，在本實施方式中，鐳射對準照射塑膠鏡座12的特定區域，塑膠鏡座12中特定區域的金屬離子在鐳射的作用下釋放，塑膠鏡座12的特定區域的表面 形成具有高附著力的微觀粗糙的結構，有利於提高後續線圈14附著的牢固度和效果。
在步驟S3中，在鐳射刻蝕後的塑膠鏡座12的特定區域進行化學鍍，即將一金屬氧化物通過化學鍍的方法鍍在塑膠鏡座12的特定區域，在此過程中，所述金屬氧化物被還原成金屬單質，以在塑膠鏡座12的特定區域表面形成一線圈14，所述線圈14在通電時能夠產生洛倫磁力。所述金屬為具有導電性能的金屬，例如銅、銀等金屬。採用鐳射直接成型技術(LDS)將線圈14固定在塑膠鏡座12的表面，代替了傳統的纏繞式線圈，增加了線圈14與塑膠鏡座12的結合力，提高了產品的可靠性，增加了製造產品的合格率。
具體的，在一實施例中，所述線圈14的材質為銅。
進一步地，在所述線圈14的表面再形成其他金屬保護層，例如電鍍鎳、鉑、金等金屬保護層，使線圈14成為一個完整的電路元件。
進一步地，在所述線圈14上進行表面處理，例如噴塗底漆、面漆等，所述表面處理的作用是防止線圈14的氧化，提高產品的耐用性能。
參閱圖2和圖3，在一具體的實施例中，製作一形成所述塑膠鏡座12的模具，通過所述模具將塑膠鏡座的材質射出成型一塑膠鏡座12的形狀，所述塑膠鏡座的材質為利用金屬有機絡合物作為塑膠鏡座材質的助劑，熱塑性塑膠作為基體材料熔融製得；在射出成型後的塑膠鏡座12的特定區域進行鐳射刻蝕，被鐳射刻蝕的特定區域的塑膠鏡座12中的金屬有機絡合物釋放出金屬離子，形成表面粗糙的線路圖案122，沒有被鐳射刻蝕的塑膠鏡座12依然保持原樣；將經過鐳射刻蝕的塑膠鏡座12進行化學鍍，化學鍍的過程中在塑膠鏡座12的線路圖案122形成含有銅的線圈14；在線圈14的表面電鍍一層金屬鎳，使線圈14成為一個完整的電路元件；最後在塑膠鏡座12的表面噴塗一層面漆作為金屬保護層，提高複合鏡座100的抗氧化性，提高產品的可靠性能。
請參閱圖3及圖4，本發明實施例還提供一種音圈馬達200，所述音圈馬達200包括所述複合鏡座100，所述複合鏡座100包括塑膠鏡座12及設置於所述塑膠鏡座12上的線圈14，在本實施例中，所述塑膠鏡座12大致為中空的柱狀結構，所述塑膠鏡座12具有一線路圖案122，所述線路圖案122遠離所述中空的表面，所述線圈14為呈層狀包覆於所述塑膠鏡座的線路圖案122。
請參閱圖5，本發明實施例還提供一種電子產品300，所述電子產品300包括所述音圈馬達200，所述電子產品300包括，但並不限於，手機、相機、平板電腦等具有攝像功能的電子產品300。
本發明實施例所提供的複合鏡座100，是採用鐳射直接成型技術在塑膠鏡座12的特定區域形成線圈14，所述線圈14與塑膠鏡座12的結合力強，相比於現有技術，線圈14的品質減小，有利於增強線圈14與塑膠鏡座12之間的扭力，複合鏡座100的總體重量減小，可有效降低音圈馬達200的啟動電流，從而降低能耗；另塑膠鏡座12較現有技術可以減小厚度，利於製造更小尺寸的音圈馬達200。
以上實施方式僅用以說明本發明的技術方案而非限制，儘管參照以上較佳實施方式對本發明進行了詳細說明，本領域的普通技術人員應當理解，可以對本發明的技術方案進行修改或等同替換都不應脫離本發明技術方案的精神和範圍。

Claims (7)

  1. 一種複合鏡座的製作方法，其改良在於：包括以下步驟：成型一塑膠鏡座，所述塑膠鏡座的材質包括金屬氧化物和基體材料，所述金屬氧化物在鐳射刻蝕時釋放出金屬離子；所述基體材料為塑膠，包括聚碳酸酯和丙烯腈-丁二烯-苯乙烯共聚物或混合物、聚氨酯類、聚酯類、聚碳酸酯類中的至少一種；通過鐳射蝕刻方式在所述塑膠鏡座表面形成線路圖案；在所述線路圖案上化學鍍金屬以形成線圈，從而得到所述複合鏡座。
  2. 如請求項1所述之複合鏡座的製作方法，其中還包括在線圈表面形成金屬保護層的步驟，所述金屬保護層的材料包括鎳、金、鉑元素中的一種或多種。
  3. 如請求項1所述之複合鏡座的製作方法，其中還包括在線圈上進行表面處理的步驟，所述表面處理包括電鍍底漆和/或面漆，所述表面處理用於防止線圈的氧化。
  4. 如請求項1所述之複合鏡座的製作方法，其中所述基體材料包括聚碳酸酯、聚己二醯丁二胺、滌綸樹脂、工業化液晶聚合物、聚鄰苯二甲醯胺中的至少一種。
  5. 如請求項1所述之複合鏡座的製作方法，其中所述線圈的材質為銅。
  6. 一種音圈馬達，其改良在於：包括如請求項1至5任一項所述之複合鏡座的製作方法製作的複合鏡座，所述複合鏡座包括塑膠鏡座及設置於所述塑膠鏡座上的線圈，所述塑膠鏡座大致為中空的柱狀結構，所述塑膠鏡座具有一線路圖案，所述線路圖案遠離所述中空的表面，所述線圈為呈層狀包覆於所述塑膠鏡座的線路圖案。
  7. 一種電子產品，其改良在於：包括如請求項6所述之音圈馬達。
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