TW201210829A - Housing and method for making the same - Google Patents

Abstract

A housing is provided which includes a substrate, a transition layer and a color layer. The transition layer is directly formed on the substrate. The color layer is formed on the transition layer. The color layer is a Ti-O-N film. The color layer has a L* value between 76 to 81, and a* value between -8 to -10, and a b* value between 23 to 27 in the CIE LAB. A method for making the housing is also provided.

Description

201210829 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 3 [0002] With the continuous advancement of technology, various types of 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 conventionally possible to form a color-backed casing by using colored plastic, or by means of a mouth-painting method on the casing of the electronic device (4) coloring material m '«外_painted casing cannot exhibit a good metallic texture . On the other hand, because the vacuum film technology itself is more complicated and less precise, the color of the metal vacuum mineral film formed on the surface of the shell is limited in the conventional technology, compared with the process of baking varnish and anodizing. The color is not rich enough, which seriously affects its competitiveness in the field of coating. [0003] SUMMARY OF THE INVENTION In view of the above, the present invention provides a housing having a green color and a metallic texture. Further, the present invention provides a case, a case, and a method of manufacturing the above-described case. [0005] A casing comprising a card body, 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 For a Ti~〇-N film, the color layer exhibits a chromaticity region in the CIE LAB color line from "The B* L* coordinate value is between 76 and 81, and the a* coordinate value is between The 'b* coordinate value between υ is between 23 and 27. 099131021 Form No. A0101 Page 3/Total 1 Page 0992054405-0 201210829 [0006] A method of manufacturing a housing, comprising the following steps: [0007] Providing a substrate; magnetron sputtering a bonding layer on the surface of the substrate; magnetron sputtering a color layer on the surface of the bonding layer, and magnetron sputtering the color layer with titanium as a material, with oxygen and nitrogen as The reaction gas, the flow rate of oxygen is 12-14 sccm, the flow rate of lu gas is 100~120 sccm; the color layer is a Ti-0-Ν film, and the color layer presents a chromaticity area in the L of the CIE LAB color system. * The coordinate value is between 76 and 81, the a* coordinate value is between -8 and -10, and the b* coordinate value is between 23 and 27. [0008] In the method for preparing the casing, when a color layer is formed, a titanium target is used as a material, and by controlling the flow rate of nitrogen gas and oxygen gas of the reaction gas, the proportional relationship of each component in the color layer and each component are realized. The micro-bonding structure between them achieves the purpose of making the color layer appear emerald green. The shell made by this method can present an attractive metallic appearance of the emerald green, which greatly enhances the appearance competitiveness of the product. [0009] Referring to Figure 1, a housing 10 according to 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. The color layer 15 is disposed on the surface of the bonding layer 13. [0010] The substrate 11 may be a metal material or a non-metal material such as glass, plastic, etc. [0011] The bonding layer 13 is magnetically controlled. The thickness of the bonding layer 13 is shallow, and does not affect the color of the color layer. The color of the bonding layer 13 is not shallow. Hue, such as silver White and other light colored gray. Form Number A0101 099 131 021 Page 4 / of 11 0992054405-0

201210829 L Guan J

[0014] [0014]

[0016] The color layer 15 is a Ti-〇-N film which is formed by magnetron emission. The thickness of the color layer 15 is between 0.2 and 0.3 Mm. The color layer 15 exhibits emerald green, which exhibits a chromaticity region in the CIE LAB color system with L* coordinates between 76 and 81, a* coordinate values between -8 and -10, and b* coordinate values between 23 to 27. Referring to Figures 1 and 2 together, the method of fabricating the housing 10 of the present invention includes the following steps: A substrate 11 is provided. 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, wax removal, 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 to a rotating frame of a magnetron sputtering coating machine (not shown), vacuuming the cavity of the coating machine to 3x1 (Γ 5 Torr, and heating The chamber is heated to about 120 ° C, and a high-purity argon gas having a flow rate of 400 to 450 sccm (standard state ML/min) is introduced; a power source of a titanium target is turned on, and the power of the titanium target is set to 8 to 12 kW, to the substrate. 11之间。 Applying a bias voltage of -1 80 - 220V, the duty ratio is 0~100%, and setting the revolution speed of the turret to 2. 5~3. 5 revolutions per minute (revolution per minute, rpm), depositing the combination Layer 13. The time for depositing the bonding layer 13 is 20 to 30 minutes. A color layer 15 is formed on the surface of the bonding layer 13. In the preferred embodiment of the present invention, 099131021 Form No. A0101 Page 5 of 11 Page 0992054405 [0024] [0024] [0024] In the embodiment, the specific operation method of forming the color layer 15 may be: after depositing the bonding layer 13 The magnetic control splashes into the oxygen and gas (reaction gas), wherein the oxygen flow rate is between 12 and 14 sccm, nitrogen Muscle volume " at 1〇〇 to 12()3(:(:111; adjust the power supply of Qinqian material to 8~8.-' Adjust the bias voltage to the substrate 11 to -150-200V, the duty ratio is 0 〜5〇% The revolution speed of the turret is 2. 5~3. 5 rpm, the color layer 15 is deposited. The color layer 15 may be deposited for 30 to 60 minutes. The color layer 15 is a Ti. -〇μ, ^τ 0-Ν film, which is l* == in the CIE UB color system to the case 10 of the present invention can be pen-shaped. The brain, personal digital assistant and other electronic devices are called 'or Other decorative carcass. The preparation method of the casing 10, . . . by the selection of the dry material and the design of the reaction carcass and the amount of money II, "the purpose of the grandmother green. It is pointed out that the above embodiment is only for the purpose of this domain.

The changes made by God should be included in the dry circumference of the edge protection required by the present invention. [Fig. 1 is a schematic cross-sectional view of the casing of the preferred embodiment of the present invention. 2 is a flow chart of manufacturing the housing according to a preferred embodiment of the present invention. [Main component symbol description] Housing: 10 099131021 Form number Α 0101 Page 6 / Total 11 page 0992054405-0 201210829 [0025] Base: 11 [0026 ] Bonding layer: 13 [0027] Color layer: 15

❹ 099131021 Form No. A0101 Page 7 of 11 0992054405-0

Claims (1)

201210829 VII. Patent application scope: 1. A casing comprising a base body, a bonding layer and a color layer, the bonding layer being formed on a surface of the base body, the color layer being formed on a surface of the bonding layer, wherein the improvement is: The color layer is a Ti-0-Ν film, and the color layer exhibits a chromaticity region in the CIE LAB color system with an L* coordinate value between 76 and 81' a wooden coordinate value between -8 and - Between 10, the b* coordinate value is between 23 and 27. 2. The shell of the present invention, wherein the bonding layer is a titanium metal film having a thickness of 0. 2 /zm. 3. The casing of claim 1, wherein the color layer has a thickness of 0.2 to 0.3/zm. 4. The casing of claim 1, wherein the substrate is a metal material, glass or plastic. 5) a method for manufacturing a casing, comprising the steps of: providing a substrate; magnetron sputtering a bonding layer on a surface of the substrate; and magnetically controlling a color layer on the surface of the bonding layer, magnetron control The color layer uses titanium as a target, oxygen and nitrogen as reaction gases, the flow rate of oxygen is 12-14 sccm, and the flow rate of nitrogen is 1 〇〇~120 sccm; the color layer is a Ti-Ο-Ν film, The chromaticity region represented by the color layer is between 76 and 81 in the cie β^β color system, and the a* coordinate value is between _8 and -10. b The wooden coordinate value is between 23 Between 27 and 27. 6. The method of manufacturing a casing according to claim 5, wherein the process parameter for forming the bonding layer is: setting a power supply of the titanium target to be 8-12 kW', and applying a bias voltage to the substrate of -1 50 — 200V, duty ratio is 099131021 Form No. A0101 Page 8/Total 11 Page 0992054405-0 201210829 〇~50%, coating time is 2〇~3〇 minutes β 7 . The shell described in claim 5 The manufacturing method of the body, wherein the process parameter for forming the color layer is: setting the power power of the titanium target to be 8-8·5kw, applying a bias voltage to the substrate of _25〇~_2〇〇ν, and the duty ratio is 〇~50%, coating time is 3〇~6〇 minutes. 〇 099131021 Form bat number Α0101 Page 9 of 11 0992054405-0