201208880 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] ❹ 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= 子裝置的外殼具有豐富色彩’傳統上可利用彩色塑膠形 成衫色塑膠外殼，或藉由噴漆方式在電子裝置的殼體表 面形成色料層。然而，塑膠外殼與噴漆外殼不能呈現良 好的金屬質感。另-方面，由_譯膜本身技術較2 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，真空鍍膜層的顏色不夠豐富，嚴重限制了其在裝飾 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古病色及金屬質感的殼 體。 . ^ i ί 功 i.+ .:-¾. U ! I Η』』 [0004] 另外’還提供一種殼醴的製作方法。 [0005] —種殼體’其包括一基體，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’所述色彩層呈現的色度區域於CIE LAB表色系統 的L*座標介於45. 39至47. 50之間，a*座標介於13 〇7至 12. 42之間，b*座標介於13. 26至18. 56之間。 [0006] 一種殼體的製作方法，其包括如下步驟： 099127684 表單編號A0101 第3頁/共10頁 0992048646-0 201208880 [0007] 提供一基體，在該基體的表面利用磁控濺射形成一結合 層，所述結合層為一鈦金屬膜，其厚度為0.1〜0.2/zm; [0008] ' 在該結合層的表面利用磁控濺射形成一色彩層，所述色 彩層以鈦為把材，控制氮氣的流量介於Π 0至1 5 0 sccm之 間，乙炔的總流量介於5至20sccm之間，所述色彩層為一 Ti-N-C膜，其厚度為0.2〜0.3//m，該色彩層呈現的色度 區域於CIE LAB表色系統的L*座標介於45. 39至47. 50之 間，a*座標介於13. 07至12. 42之間，b*座標介於13. 26 至18. 56之間。 [0009] 相較於習知技術，所述殼體的製備方法，在形成色彩層 時，通過對反應氣體乙快和氮氣流量的設計和對膜層厚 度的控制，從而達到使色彩層呈現出古鋼色的目的。以 該方法所製得的殼體可呈現出具吸引力的古銅色的金屬 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】 [0010] 請參閱圖1，本發明一較佳實施例的殼體10可為一手機的 殼體。該殼體10包括一基體11、一結合層13及一色彩層 15。該結合層13設置於基體11的表面，該色彩層15設置 於結合層13的表面。 [0011] 基體11為不銹鋼材質或玻璃材質。 [0012] 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為一鈦金屬膜，其厚度在0.卜0. 2//m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 099127684 表單編號A0101 第4頁/共10頁 0992048646-0 201208880 銀色、白色及灰白色等淺色調。 [0013] 色彩層15為一Ti-N-C膜，其以磁控濺射的方式形成。該 色彩層15的厚度在0. 2〜0. 3/zm之間。該色彩層15呈現出 古銅色，其呈現的色度區域於CIE LAB表色系統的L*座 標介於45. 39至47. 50，a*座標介於13. 07至12. 42，b* 座標介於13. 26至18. 56。 [0014] 請一併參閱圖1與圖2，本發明殼體10的製作方法包括以 下步驟： [0015] 提供一基體11。該基體11可由不銹鋼或玻璃製成。 [0016] 對該基體11進行預處理，該預處理可包括常規的化學除 油、除躐、酸洗、超聲波清洗及供乾等步驟。 [0017] 在基體11的表面形成一結合層13。該結合層13為一鈦金 屬膜，其可採用磁控濺射的方式形成。形成該結合層13 的具體操作方法可為：將基體11固定於一磁控濺射鍍膜 機（圖未示）的轉架上，抽真空該鍍膜機的腔體至8xl0_ 3Pa，並加熱該腔體至120°C左右，通入流量為 400〜450sccm (標準狀態毫升/分鐘）的高純氬氣；開啟 鈦靶材的電源，設定功率為8~12kw，設定偏壓為-180~-220V，占空比為0~100%，並設置轉架的公轉轉速 為2. 5~3. 5轉每分鐘（revolution per minute, rpm) ，沉積所述結合層13。沉積所述結合層13的時間可為 20〜30分鐘。 [0018] 在該結合層13的表面形成一色彩層15。在本發明的較佳 實施例中，形成色彩層15的具體操作方法可為：在沉積 099127684 表單編號A0101 第5頁/共10頁 0992048646-0 201208880 所述結合層13後，向所述磁控濺射鍍膜機中通入氮氣與 乙炔，其中氮氣的流量介於90至11〇 sccm，乙炔的總流 於5至20sccm，維持鈦乾材的功率不變，調節偏壓至 -250〜0V、占空比為0〜50%，磁控濺射鍍膜機（圖未示） 的轉架的公轉轉速為2. 5〜3. 5轉每分鐘（rev〇iuti〇n per minute，rpm)，沉積所述色彩層15的時間可為 20〜25分鐘。 [0019] 该色衫層15為一Ti-N-C膜，ΠΕ LAB表色系統的L*座標 介於45. 39至47. 50，a*座標介於13. 〇7至12. 42，b木座 標介於13. 26至18. 56。 [0020] 本發明殼體10可為筆记型電滕、個人數位助理等電子裝 置的殼體，或為其他裝佛類產品的殼體。 [0021] 相較於習知技術，所述殼體的製備方法，係通過對靶材 的選取及對反應氣體乙块和氮氣流量的設計，從而達到 使色彩層呈現出古銅色的_的。 【圖式簡單說明】 [0022] 圖1係本發明較佳實施例的殼壶的結構示意圖。 [0023] 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】 [0024] 殼體：10 [0025] 基體：11 [0026] 結合層：13 [0027] 顏色層：15 099127684 表單編號A0101 第6頁/共1〇頁 0992048646-0201208880 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] ❹ 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 sub-device rich in color, it is conventionally possible to form a color plastic shell by using colored plastic, or to form a color layer on the surface of the casing of the electronic device by painting. However, plastic casings and painted casings do not exhibit a good metallic feel. On the other hand, the technology of the _transfer film itself is more complicated than the precision control. The color of the metal vacuum coating layer formed on the surface of the casing is limited by conventional techniques, and the vacuum coating layer is compared with the process of baking varnish and 'anodic treatment. The color is not rich enough, which severely limits its competitiveness in the field of decorative coating. SUMMARY OF THE INVENTION [0003] In view of the above, the present invention provides a shell having an ancient disease color and a metallic texture. ^ i ί 功 i.+ .: -3⁄4. U ! I Η』』 [0004] In addition, a method of making a shell is also provided. a casing 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, chromaticity exhibited by the color layer The L* coordinates of the area in the CIE LAB color system are between 45.39 and 47.50, the a* coordinates are between 13 〇7 and 12.42, and the b* coordinates are between 13.26 and 18.56. between. [0006] A method of manufacturing a housing, comprising the following steps: 099127684 Form No. A0101 Page 3 of 10 0992048646-0 201208880 [0007] A substrate is provided, and a combination is formed on the surface of the substrate by magnetron sputtering a layer, the bonding layer is a titanium metal film having a thickness of 0.1 to 0.2/zm; [0008] a color layer is formed on the surface of the bonding layer by magnetron sputtering, and the color layer is made of titanium The flow rate of controlling nitrogen gas is between Π 0 and 150 sccm, the total flow rate of acetylene is between 5 and 20 sccm, and the color layer is a Ti-NC film having a thickness of 0.2 to 0.3//m. The chromaticity region of the color layer is between 45.39 and 47.50 in the C* LAB color system, the a* coordinate is between 13.07 and 12.42, and the b* coordinate is between 13. Between 26 and 18.56. [0009] Compared with the prior art, the method for preparing the shell, when forming the color layer, achieves the color layer by designing the reaction gas and the nitrogen flow rate and controlling the thickness of the film layer. The purpose of ancient steel color. The housing produced by this method exhibits an attractive bronzed metal appearance, enriches the color of the vacuum coating layer, and greatly enhances the appearance competitiveness of the product. [Embodiment] Referring to Figure 1, a housing 10 in accordance with a preferred embodiment of the present invention can be a housing for a handset. The housing 10 includes a base 11, a bonding layer 13, and a color layer 15. The bonding layer 13 is provided on the surface of the substrate 11, and the color layer 15 is provided on the surface of the bonding layer 13. [0011] The base 11 is made of stainless steel or glass. [0012] The bonding layer 13 is formed on the surface of the substrate 11 by magnetron sputtering. The thickness of the layer is between 0. 2 / / m. The color of the bonding layer 13 is a light color tone which does not affect the color of the color layer, and can be, for example, 099127684 Form No. A0101 Page 4 / Total 10 pages 0992048646-0 201208880 Light colors such as silver, white and gray. [0013] The color layer 15 is a Ti-N-C film which is formed by magnetron sputtering. The thickness of the color layer 15 is between 0. 2~0. 3/zm. The color layer 15 exhibits a bronze color, and the chromaticity region of the CIE LAB color system is between 45.39 and 47.50, and the a* coordinate is between 13.07 and 12.42. Between 13.26 and 18.56. [0014] Referring to FIG. 1 and FIG. 2 together, the manufacturing method of the casing 10 of the present invention comprises the following steps: [0015] A substrate 11 is provided. The base 11 can be made of stainless steel or glass. [0016] The substrate 11 is pretreated, which may include conventional chemical degreasing, decanting, pickling, ultrasonic cleaning, and drying. [0017] 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 magnetron sputtering. The specific operation method for forming the bonding layer 13 may be: fixing the substrate 11 on a rotating frame of a magnetron sputtering coating machine (not shown), vacuuming the cavity of the coating machine to 8×10 −3 Pa, and heating the cavity. The body is about 120 °C, and the high-purity argon gas with a flow rate of 400~450sccm (standard state ML/min) is introduced; the power of the titanium target is turned on, the set power is 8~12kw, and the set bias voltage is -180~-220V. The bonding layer 13 is deposited, and the duty ratio is 0 to 100%, and the revolution speed of the turret is set to 2. 5~3. 5 revolutions per minute (rpm). The time for depositing the bonding layer 13 may be 20 to 30 minutes. [0018] A color layer 15 is formed on the surface of the bonding layer 13. In a preferred embodiment of the present invention, the specific operation method of forming the color layer 15 may be: after depositing the bonding layer 13 as described in Form No. 099127684 Form No. A0101/5: 0992048646-0 201208880, to the magnetic control The sputter coating machine is provided with nitrogen gas and acetylene, wherein the flow rate of nitrogen gas is between 90 and 11 〇sccm, and the total flow of acetylene is between 5 and 20 sccm, the power of the titanium dry material is maintained, and the bias voltage is adjusted to -250 to 0V. 5rpm。 The revolving speed of the gyro of the magnetron sputter coating machine (not shown) is 2. 5~3. 5 rpm (rev〇iuti〇n per minute, rpm), deposition The color layer 15 may have a time of 20 to 25 minutes. [0019] The color layer 15 is a Ti-NC film, the L* coordinate of the LAB LAB color system is between 45. 39 and 47. 50, the a* coordinate is between 13. 〇 7 to 12. The coordinates are between 13.26 and 18.56. [0020] The housing 10 of the present invention may be a housing for an electronic device such as a notebook or a personal digital assistant, or a housing for other Buddha-like products. [0021] Compared with the prior art, the method for preparing the casing is to make the color layer appear bronzed by selecting the target and designing the flow rate of the reaction gas and the nitrogen gas. BRIEF DESCRIPTION OF THE DRAWINGS [0022] FIG. 1 is a schematic view showing the structure of a shell pot according to a preferred embodiment of the present invention. 2 is a flow chart of fabricating the housing in accordance with a preferred embodiment of the present invention. [Main component symbol description] [0024] Housing: 10 [0025] Base: 11 [0026] Bonding layer: 13 [0027] Color layer: 15 099127684 Form number A0101 Page 6 / Total 1 page 0992048646-0