201218901 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，或藉由噴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] ❹ 有鑒於此，本發明提供一種具有紫紅色及金屬質感的殼 體。 [0004] [0005] 另外，本發明還提供一種上述殼體的製作方法。 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Zr-N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25至30之 間，a*座標值介於40至45之間，b*座標值介於-45至_40 之間。 099136042 表單編號A0101 第3頁/共II頁 09920630Π-0 201218901 [0006] 一種殼體的製作方法，其包括如下步驟： [0007] 提供基體；在該基體的表面磁控濺射結合層；在該結合 層的表面磁控激射色彩層，磁控藏射所述色彩層以鈦為 起材，以氮氣為反應氣體，並設定氮氣與氬氣總的流量 為1 50~700sccm，且氮氣的分壓佔總的氣體壓強的 35〜50% ;所述色彩層為Zr-N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25至30之間， a*座標值介於40至45之間，b*座標值介於-45至-40之間 〇 [0008] 所述殼體的製備方法，在形成色彩層時，採用锆靶作為 材，通過對反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紫紅色的目的。以該方 法所製得的殼體可呈現出具吸引力的紫紅色的金屬外觀 ，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10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。 [0010] 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0.卜0.2/im之間。該結合 099136042 表單編號A0101 第4頁/共11頁 0992063017-0 201218901 [0012] [0013] ❹ [0014] [0015] [0016] 〇 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。 色彩層15為Zr-N膜，其以磁控濺射的方式形成。該色彩 層15的厚度在0. 3〜0. 4/zm之間。該色彩層15呈現出紫紅 色，其呈現的色度區域於CIE LAB表色系統的L*座標值 介於25至30之間，a*座標值介於40至45之間，b*座標值 介於-45至-40之間。 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： 提供基體11。該基體11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、除蠛、酸洗、超聲波清洗及烘乾等步 驟。 在基體11的表面形成結合層13。該結合層13為鈦金屬膜 ，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3x 10_5Torr，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）的氬氣；開啟鈦靶 材的電源，設定鈦靶材電源功率為8~10kw，對基體11施 加0~200V的偏壓，佔空比為0〜100%，並設置轉架的公轉 轉速為3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5〜10 099136042 表單編號A0101 第5頁/共11頁 0992063017-0 201218901 分鐘。 [0017] [0018] [0019] [0020] [0021] [0022] [0023] 、Ό &層13的表面形成色彩層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··在沉積所 述結合層13後，向所述磁控濺射鍍膜機中通入反應氣體 氮虱及氬氣，並設定氮氣與氬氣總的流量為 150 7〇〇SCcm ’且氮氣的分壓佔總的氣體壓強的35〜50% ，°又置锆靶材電源功率為8〜12kw，調節對基體11的偏壓 至0 25〇V、佔空比為〇〜100%，轉架的公轉轉速為3轉每 刀鐘（rev〇lution per minute，rpm)，沉積所述色彩 層15。>儿積色彩層15的時間可為2〇〜40分鐘。 本叙明殼體1 〇可為筆記型電滕、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。 相較於習知技術’所述殼體10的製備方法，係通過對靶 材的選取及對反應氣體氮氣流量的tS:計，從而達到使色 彩層15呈現出紫紅色的目的。 應该指出’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】 圖1係本發明較佳實施例的殼體的剖視示意圖。 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】 殼體：10 099136042 表單編號A0101 0992063017-0 201218901 [0024] 基體：11 [0025] 結合層：13 [0026] 色彩層：15201218901 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, plastic casings and painted casings do not exhibit a good metallic feel. 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 the above, the present invention provides a shell having a magenta and a metallic texture. [0004] In addition, the present invention also provides a method of fabricating the above casing. 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 a Zr-N film The color region exhibits a chrominance region in the CIE LAB color system with an L* coordinate value between 25 and 30, an a* coordinate value between 40 and 45, and a b* coordinate value between -45 and _ 40 between. 099136042 Form No. A0101 Page 3/Total II Page 09920630Π-0 201218901 [0006] A method of fabricating a housing, comprising the steps of: [0007] providing a substrate; magnetron sputtering a bonding layer on a surface of the substrate; The magnetic lasing color layer of the surface of the bonding layer is magnetized, and the color layer is made of titanium as a material, nitrogen is used as a reaction gas, and the total flow rate of nitrogen and argon is set to be 150-700 sccm, and the nitrogen is divided. The pressure is 35~50% of the total gas pressure; the color layer is a Zr-N film, and the color layer exhibits a chromaticity region of between 25 and 30 in the L* coordinate of the CIE LAB color system. The a* coordinate value is between 40 and 45, and the b* coordinate value is between -45 and -40. [0008] The method for preparing the housing is to use a zirconium target as a material when forming a color layer. Controlling the flow rate of the reaction gas nitrogen, thereby achieving the desired proportional relationship of the components in the color layer and the micro-bonding structure between the components, thereby achieving the purpose of making the color layer appear purple-red. The shell produced by this method can exhibit an attractive purple-red metal appearance, enriching the color of the vacuum coating layer, and greatly improving 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. [0010] The base 11 may be a metal material or a non-metal material such as glass or plastic. [0011] 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 of between 0.2 and 0.2. The combination 099136042 Form No. A0101 Page 4 / 11 pages 0992063017-0 201218901 [0013] [0015] [0016] The color of the enamel layer 13 is a light hue that does not affect the color of the color layer, such as Light shades of silver, white and off-white. The color layer 15 is a Zr-N film which is formed by magnetron sputtering. The thickness of the color layer 15 is between 0. 3~0. 4/zm. The color layer 15 exhibits a magenta color, which exhibits a chromaticity region in the CIE LAB color system with an L* coordinate value between 25 and 30, an a* coordinate value between 40 and 45, and a b* coordinate value. Between -45 and -40. Referring to Figures 1 and 2 together, the method of fabricating the housing 10 of the present invention includes the following steps: providing a substrate 11. The base 11 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, decanting, pickling, ultrasonic cleaning, and drying of the substrate 11. 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 3×10_5 Torr, and heating the cavity. The body is heated to about 120 °C, and the flow rate is 400~450sccm (standard state ML/min) of argon gas; the power of the titanium target is turned on, the power of the titanium target is set to 8~10kw, and the base 11 is applied with 0~200V. The bias voltage, the duty ratio is 0 to 100%, and the revolution speed of the turret is set to 3 revolutions per minute (revolution per minute, rpm), and the bonding layer 13 is deposited. The time for depositing the bonding layer 13 may be 5~10 099136042 Form No. A0101 Page 5 of 11 0992063017-0 201218901 minutes. [0019] [0023] [0023] The surface of the layer 13 of the Ό & layer forms a color layer 15. In a preferred embodiment of the present invention, the specific operation method for forming the color layer 15 may be: after depositing the bonding layer 13, introducing a reaction gas of nitrogen and argon into the magnetron sputtering coater. And set the total flow rate of nitrogen and argon to 150 7 〇〇SCcm 'and the partial pressure of nitrogen accounts for 35~50% of the total gas pressure, and the power supply of the zirconium target is 8~12kw, which is adjusted to the substrate 11 The bias voltage is 0 25 〇V, the duty ratio is 〇~100%, and the revolution speed of the turret is 3 revolutions per rpm, and the color layer 15 is deposited. > The time of the color layer 15 can be 2 〇 to 40 minutes. The housing 1 can be a housing for an electronic device such as a notebook or a personal digital assistant or a housing for other decorative products. Compared with the prior art, the method for preparing the casing 10 achieves the purpose of making the color layer 15 appear purple-red by selecting the target and tS: the flow rate of the nitrogen gas of the reaction gas. It should be noted that the above-described embodiments are merely preferred embodiments of the present invention, and those skilled in the art can make other changes within the spirit of the present invention. All changes made in accordance with the spirit of the invention are intended to be included within the scope of the invention. BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a cross-sectional view of a housing in accordance with a preferred embodiment of the present invention. 2 is a flow chart of making the housing in accordance with a preferred embodiment of the present invention. [Description of main component symbols] Housing: 10 099136042 Form No. A0101 0992063017-0 201218901 [0024] Base: 11 [0025] Bonding layer: 13 [0026] Color layer: 15
099136042 表單編號A0101 第7頁/共11頁 0992063017-0099136042 Form No. A0101 Page 7 of 11 0992063017-0