201223385 六、發明說明： 【發明所屬之技術領域】 [0001] 本發明涉及一種殼體及其製作方法。 【先前技術】 [0002] 隨著科技的不斷進步，行動電話、個人數位助理等各式 電子裝置也迅速發展，其功能亦愈來愈豐富。為了使電 子裝置的外殼具有豐富色彩，傳統上可利用彩色塑膠形 成彩色塑膠外殼，或藉由喷漆方式在電子裝置的殼體表 面形成色彩層。然而，塑膠外殼與喷漆外殼不能呈現良 ® 好的金屬質感。另一方面，由於真空鍍膜技術本身較為 複雜而不易精密操控，習知技術中於殼體表面形成的金 屬真空鍍膜層的色彩有限，與烤漆、陽極處理等工藝相 比，真空鍍膜層的色彩不夠豐富，嚴重影響了其在裝飾 鍍膜領域的競爭力。 【發明内容】 [0003] 有鑒於此，本發明提供一種具有白色及金屬質感的殼體 © 。 [0004] 另外，本發明還提供一種上述殼體的製作方法。 [0005] 一種殼體，該殼體包括一基體、一結合層以及一色彩層 ，所述結合層形成於基體的表面，所述色彩層形成於結 合層的表面，所述色彩層為一鋁膜，該色彩層呈現的色 度區域於CIE LAB表色系統的L*座標值介於80至100之間 ，a*座標值介於-1至1之間，b*座標值介於-1至1之間。 [0006] —種殼體的製作方法，其包括如下步驟： 099139823 表單編號A0101 第3頁/共11頁 0992069405-0 201223385 [0007]提供基體；在該基體的表面磁控濺射結合層；在該結合 層的表面磁控濺射色彩層，磁控濺射所述色彩層的工藝 參數為.以銘為乾材，以氬氣為工作氣體，其中氬氣總 的流量為1 〇〇 ~ 1 〇〇 〇sccm ;所述色彩層為紹膜，所述色彩 層呈現的色度區域於CIE LAB表色系統的L*座標值介於 80至100之間，0座標值介於-丨至丨之間，b*座標值介於 -1至1之間。 [〇〇〇8]所述殼體的製備方法，在形成色彩層時，採用鋁靶作為 乾材’藉由對工作應氣體氮氣的流量的控制，從而實現 所需的色彩層中各成分的比例關係及各成分間的微觀鍵 合結構，從而達到使色彩層呈現出白色的目的。以該方 法所製得的殼體可呈現出具吸引恭的白色的金屬外觀， 豐富了真空鍍膜層的顏色，極大地提高了產品的外觀競 爭力。 【實施方式】 [0009]請參閱圖1 ’本發明一較佳實施例的殼體1 〇可為一手機的 殼體。該殼體10包括基體11、結合層13及色彩層15。該 結合層1 3設置於基體11的表面，該色彩層1 5設置於結合 層13的表面。 [〇〇1〇]基體11可以為金屬材料或玻璃、塑膠等非金屬材料。 [0011]結合層13以磁控濺射的方式形成於基體11的表面。該結 合層13為鈦金屬膜’其厚度在〇·卜之間。該結合 層13的顏色為不影響色彩層顏色的淺色調，比如可為銀 色、白色及灰白色等淺色調。 099139823 表單編號A0101 第4頁/共Π頁 0992069405-0 201223385 [0012] [0013] 色彩層1 5為銘膜，其以磁控澉射的方式形成。該色彩層 15的厚度在〇. 3〜〇. 4 era之間。該色彩層15呈現出白色， 其呈現的色度區域於CIE LAB表色系統的L*座標值介於 80至100之間，座標值介於―丨至丨之間，座標值介於 -1至1之間。 請一併參閱圖1與圖2，本發明殼體1〇的製作方法包括以 下步驟： [0014]Ο [0015] 提供基體Π。該基體U可以為金屬材料或玻璃、塑膠等 非金屬材料。 對該基體11進行預處理。該預處理可包括常規的對基體 11進行化學除油、除蠟、酸洗、超聲波清洗及烘乾等步 驟。 [0016] 在基體11的表面形成結合層13。該結合層13為鈦金屬膜 ❹ ’其可採用磁控崎的方今形成。形成該結合層13的具 體操作方法可t將基體u固定於-磁驗射鑛膜機（ 圖未不）的轉架上，抽真空該鍍膜機的腔體至 10 5T〇rr，並加熱該腔體至12〇它左右，通入流量為 40H5〇sccm (標準狀態毫升/分鐘）的氬氣；開啟㈣ 材的電源，設定鈦靶材電源功率為8〜1〇kw，對基體“施 加0〜200V的偏壓’佔空比為〇〜1〇〇% 轉速為3轉每分鐘（revoluti 並設置轉架的公轉 on per minute > rpm) 沉積所述結合層13。沉積所述結合層13的時間可為5 i〇 分鐘。 [0017] 在該結合層13的表面形成色彩層15。在本發明的較佳實 099139823 表單編號A0101 第5頁/共11頁 201223385 施例中，形成色彩層1 5的具體操作方法可為：在沉積所 述結合層13後，向所述磁控濺射鍍膜機中通入氬氣，並 設定氬氣總的流量為1 0 0 ~ 1 0 0 0 sccm ;設置铭乾材電源功 率為8〜15kw，調節對基體11的偏壓至0〜-200V、占空比 為0〜100%，轉架的公轉轉速為3轉每分鐘（revolution per minute，rpm)，沉積所述色彩層1 5。沉積色彩層 15的時間可為30〜120分鐘。 [0018] 本發明殼體10可為筆記型電腦、個人數位助理等電子裝 置的殼體，或為其他裝飾類產品的殼體。 [0019] 相較於習知技術，所述殼體10的製備方法，係藉由對靶 材的選取及對反應氣體氮氣流量的設計，從而達到使色 彩層15呈現出白色的目的。 [0020] 應該指出，上述實施方式僅為本發明的較佳實施方式， 本領域技術人員還可在本發明精神内做其他變化，這些 依據本發明精神所做的變化，都應包含在本發明所要求 保護的範圍之内。 【圖式簡單說明】 [0021] 圖1係本發明較佳實施例的殼體的剖視示意圖。 [0022] 圖2係本發明較佳實施例製作所述殼體的流程圖。 【主要元件符號說明】 [0023] 殼體：10 [0024] 基體：11 [0025] 結合層：13 099139823 表單編號A0101 第6頁/共11頁 0992069405-0 201223385 15 [0026] 色彩層201223385 VI. Description of the Invention: [Technical Field of the Invention] [0001] The present invention relates to a housing and a method of fabricating the same. [Prior Art] [0002] With the continuous advancement of technology, various electronic devices such as mobile phones and personal digital assistants have also developed rapidly, and their functions have become more and more abundant. In order to make the outer casing of the electronic device rich in color, it is conventional to form a colored plastic casing by using colored plastic, or to form a color layer on the surface of the casing of the electronic device by painting. However, the plastic case and the painted case do not exhibit a good metal texture. On the other hand, because the vacuum coating technology itself is more complicated and less precise, the color of the metal vacuum coating layer formed on the surface of the casing is limited in the conventional technology, and the color of the vacuum coating layer is not enough compared with the processes such as baking varnish and anodizing. Rich, seriously affecting its competitiveness in the field of decorative coatings. SUMMARY OF THE INVENTION [0003] In view of this, the present invention provides a housing with white and metallic textures. In addition, the present invention also provides a method of fabricating the above casing. [0005] A housing comprising a substrate, a bonding layer and a color layer, the bonding layer being formed on a surface of the substrate, the color layer being formed on a surface of the bonding layer, the color layer being an aluminum Membrane, the color layer presents a chromaticity region in the CIE LAB color system with an L* coordinate value between 80 and 100, an a* coordinate value between -1 and 1, and a b* coordinate value between -1 Between 1 and 1. [0006] A method of manufacturing a casing, comprising the steps of: 099139823 Form No. A0101 Page 3 of 11 0992069405-0 201223385 [0007] providing a substrate; magnetron sputtering bonding layer on the surface of the substrate; The surface magnetron sputtering color layer of the bonding layer, the process parameter of the magnetron sputtering color layer is: the dry material is used as the dry material, and the argon gas is used as the working gas, wherein the total flow rate of the argon gas is 1 〇〇~1 〇〇〇sccm; the color layer is a film, the color region exhibits a chromaticity region in the CIE LAB color system, the L* coordinate value is between 80 and 100, and the 0 coordinate value is between -丨 and 丨The b* coordinate value is between -1 and 1. [〇〇〇8] The method for preparing the casing, when forming a color layer, using an aluminum target as a dry material', by controlling the flow rate of the working gas nitrogen, thereby realizing the components of the desired color layer. The proportional relationship and the micro-bonding structure between the components achieve the purpose of making the color layer appear white. The shell produced by this method can exhibit a white appearance of attractive metal, enriching the color of the vacuum coating layer, and greatly improving the appearance competitiveness of the product. [Embodiment] [0009] Referring to Figure 1 , a housing 1 of a preferred embodiment of the present invention may be a housing of a mobile phone. The housing 10 includes a base 11, a bonding layer 13, and a color layer 15. The bonding layer 13 is disposed on the surface of the substrate 11, and the color layer 15 is disposed on the surface of the bonding layer 13. [〇〇1〇] The substrate 11 may be a metal material or a non-metal material such as glass or plastic. The bonding layer 13 is formed on the surface of the substrate 11 by magnetron sputtering. The bonding layer 13 is a titanium metal film' having a thickness between 〇·卜. The color of the bonding layer 13 is a light color tone which does not affect the color of the color layer, and may be a light color such as silver, white or grayish white. 099139823 Form No. A0101 Page 4 / Total Page 0992069405-0 201223385 [0013] [0013] The color layer 15 is a film which is formed by magnetron sputtering. The thickness of the color layer 15 is between 〇. 3~〇. 4 era. The color layer 15 exhibits a white color, and the chromaticity region presented by the CIE LAB color system has an L* coordinate value between 80 and 100, a coordinate value between 丨 to ,, and a coordinate value between -1. Between 1 and 1. Referring to FIG. 1 and FIG. 2 together, the manufacturing method of the casing 1 of the present invention comprises the following steps: [0014] A substrate crucible is provided. The substrate U may be a metal material or a non-metal material such as glass or plastic. The substrate 11 is pretreated. The pretreatment may include conventional steps of chemical degreasing, wax removal, pickling, ultrasonic cleaning, and drying of the substrate 11. [0016] A bonding layer 13 is formed on the surface of the substrate 11. The bonding layer 13 is a titanium metal film ’ ' which can be formed by using a magnetron. The specific operation method for forming the bonding layer 13 can fix the substrate u on the turret of the magnetic inspection film machine (not shown), vacuum the cavity of the coating machine to 10 5T rr, and heat the substrate. The cavity is about 12 〇, and the argon gas with a flow rate of 40H5 〇sccm (standard state ML/min) is introduced; the power of the (four) material is turned on, and the power of the titanium target is set to 8~1〇kw, and the substrate is "applied 0". ~200V bias 'duty ratio 〇~1〇〇% rotation speed is 3 revolutions per minute (revoluti and set the revolution of the turret on per minute > rpm) depositing the bonding layer 13. Depositing the bonding layer 13 The time may be 5 μ〇 minutes. [0017] A color layer 15 is formed on the surface of the bonding layer 13. In the preferred embodiment of the present invention, 099139823, Form No. A0101, Page 5 of 11 201223385, a color layer is formed. The specific operation method of 15 may be: after depositing the bonding layer 13, the argon gas is introduced into the magnetron sputtering coating machine, and the total flow rate of the argon gas is set to be 1 0 0 ~ 1 0 0 0 sccm. Set the power supply power of the dry material to 8~15kw, adjust the bias voltage to the base 11 to 0~-200V, and the duty ratio is 0~100%. The revolution speed of the turret is 3 revolutions per minute (rpm), and the color layer 15 is deposited. The time for depositing the color layer 15 may be 30 to 120 minutes. [0018] The housing 10 of the present invention may be a note A housing of an electronic device such as a computer or a personal digital assistant, or a housing for other decorative products. [0019] Compared with the prior art, the housing 10 is prepared by selecting a target. And the design of the reaction gas nitrogen flow rate, so as to achieve the purpose of making the color layer 15 appear white. [0020] It should be noted that the above embodiments are merely preferred embodiments of the present invention, and those skilled in the art may also be in the spirit of the present invention. Other changes in the spirit of the present invention should be included in the scope of the present invention. [0021] FIG. 1 is a housing of a preferred embodiment of the present invention. 2 is a flow chart of manufacturing the housing according to a preferred embodiment of the present invention. [Description of Main Components] [0023] Housing: 10 [0024] Base: 11 [0025] Bonding layer :13 099139823 Forms A0101 Page 6/11 co 0992069405-0 20122338515 [0026] the color layer
099139823 表單編號A0101 第7頁/共U頁 0992069405-0099139823 Form No. A0101 Page 7 / Total U Page 0992069405-0