CN102413650A

CN102413650A - Shell and method for manufacturing same

Info

Publication number: CN102413650A
Application number: CN2010102893262A
Authority: CN
Inventors: 张新倍; 陈文荣; 蒋焕梧; 陈正士; 万自成
Original assignee: Hongfujin Precision Industry Shenzhen Co Ltd; Hon Hai Precision Industry Co Ltd
Current assignee: Hongfujin Precision Industry Shenzhen Co Ltd; Hon Hai Precision Industry Co Ltd
Priority date: 2010-09-24
Filing date: 2010-09-24
Publication date: 2012-04-11

Abstract

The invention discloses a shell which comprises a base body, a bonding layer and a color layer, wherein the bonding layer is formed on the surface of the base body; the color layer is formed on the surface of the bonding layer; the color layer is a Zr-N film; L*coordinate value of a chromaticity area which is displayed by the color layer in a CIE LAB color system is 40 to 50, a*coordinate value of the chromaticity area which is displayed by the color layer in the CIE LAB color system is -25 to -15, and b*coordinate value of the chromaticity area which is displayed by the color layer in the CIE LAB color system is -45 to -35. The invention also provides a method for manufacturing the shell. The shell has a blue appearance, so that the color of a vacuum coating film is enriched.

Description

Housing and preparation method thereof

Technical field

The present invention relates to a kind of housing and preparation method thereof, relate in particular to a kind of housing and preparation method thereof with blue and metal-like.

Background technology

Along with the continuous progress of science and technology, mobile phone, personal digital assistant (PDA, Personal Digital Assistant), and various electronic installation such as computer also develop rapidly, its function is also more and more abundant.For the shell that makes electronic installation has rich colors, colored plastic capable of using traditionally forms the colored plastic shell, or forms the colorant layer by the mode of spraying paint at the surface of shell of electronic installation.Yet plastic casing can not present good metal texture with the shell that sprays paint.On the other hand; Being difficult for precision owing to vacuum coating technology itself is comparatively complicated controls; The color of the metal vacuum coatings that forms in surface of shell in the prior art is limited; Compare with technologies such as baking vanish, anode treatment, the color of vacuum coating is abundant inadequately, has limited its competitiveness in the decoration film coating field.

Summary of the invention

In view of this, the present invention provides a kind of housing with blueness and metal-like.

In addition, the present invention also provides a kind of manufacture method of above-mentioned housing.

A kind of housing comprises matrix, binder course and color layer, and said binder course is formed at the surface of matrix, and said color layer is formed at the surface of binder course, and said color layer is the Zr-N film, and the chroma areas that this color layer appears is in the L of CIE LAB colour system ^*Coordinate figure between 40 to 50, a ^*Coordinate figure between-25 to-15, b ^*Coordinate figure is between-45 to-35.

A kind of manufacture method of housing, it comprises the steps:

Matrix is provided;

Surface magnetic control sputtering binder course at this matrix;

Surface magnetic control sputtering color layer at this binder course; The technological parameter of the said color layer of magnetron sputtering is: with the zirconium is target, is reacting gas with nitrogen, and argon gas is a working gas; The total flow of nitrogen and argon gas is 150-700sccm, and the branch of nitrogen covers 20～40% of total gas pressure intensity; Said color layer is the Zr-N film, and the chroma areas that said color layer appears is in the L of CIE LAB colour system ^*Coordinate figure between 40 to 50, a ^*Coordinate figure between-25 to-15, b ^*Coordinate figure is between-45 to-35.

The preparation method of said housing; When forming color layer; Adopt the zirconium target as target; Through to reacting gas nitrogen and the control of working gas argon gas total flow and the control of nitrogen partial pressure, thereby realize the microcosmic bonding structure between each proportional relationship of all ingredients and each composition in the required color layer, make color layer demonstrate blue purpose thereby reach.Can demonstrate the metal appearance of attractive blueness with the prepared housing of this method, enrich the color of vacuum coating, improve the outward appearance competitiveness of product widely.

Description of drawings

Fig. 1 is the structural representation of the housing of preferred embodiment of the present invention.

Fig. 2 is the flow chart that said housing is made in preferred embodiment of the present invention.

The main element symbol description

Housing 10

Matrix 11

Binder course 13

Color layer 15

Embodiment

See also Fig. 1, the housing 10 of the present invention's one preferred embodiment can be the housing of a mobile phone.This housing 10 comprises matrix 11, binder course 13 and color layer 15.This binder course 13 is arranged at the surface of matrix 11, and this color layer 15 is arranged at the surface of binder course 13.

Matrix 11 can be nonmetallic materials such as metal material or glass, plastics.

Binder course 13 is formed at the surface of matrix 11 with the mode of magnetron sputtering.This binder course 13 is a titanium metal film, and its thickness is between 0.1～0.3 μ m.The color of this binder course 13 is for not influencing the thin shade of color layer color, such as can be thin shades such as silver color, white and canescence.

Color layer 15 is the Zr-N film, and its mode with magnetron sputtering forms.The thickness of this color layer 15 is between 0.3～0.5 μ m.This color layer 15 demonstrates blueness, and its chroma areas that appears is in the L of CIE LAB colour system ^*Coordinate figure between 40 to 50, a ^*Coordinate figure between-25 to-15, b ^*Coordinate figure is between-45 to-35.

Please consult Fig. 1 and Fig. 2 in the lump, the manufacture method of housing 10 of the present invention may further comprise the steps:

Matrix 11 is provided.This matrix 11 can be nonmetallic materials such as metal material or glass, plastics.

This matrix 11 is carried out preliminary treatment.This preliminary treatment can comprise conventional carries out steps such as electrochemical deoiling, paraffin removal, pickling, ultrasonic waves for cleaning and oven dry to matrix 11.

Surface at matrix 11 forms binder course 13.This binder course 13 is a titanium metal film, and it can adopt the mode of magnetron sputtering to form.The concrete operation method that forms this binder course 13 can be: matrix 11 is fixed on the magnetron sputtering coating machine pivoted frame of (figure does not show), vacuumizes cavity to 3 * 10 of this coating machine ^-5Torr, and heat about this cavity to 120 ℃, the feeding flow is the argon gas (working gas) of 400～450sccm (standard state ml/min); Open the power supply of titanium target, setting titanium target power is 8～10kw, to matrix 11 apply 0～-bias voltage of 200V; Duty ratio is 0～100%; And the revolution rotating speed that pivoted frame is set is 3 rpms (revolution per minute rpm), deposits said binder course 13.The time that deposits said binder course 13 can be 5～10 minutes.

Surface at this binder course 13 forms color layer 15.In preferred embodiment of the present invention; The concrete operation method that forms color layer 15 can be: behind the said binder course 13 of deposition; In said magnetron sputtering coater, feed reacting gas nitrogen and argon gas; And set nitrogen and the total flow of argon gas is 150-700sccm, and the branch of nitrogen covers 20～40% of total gas pressure intensity; It is 8～12kw that zirconium target power is set, regulate to matrix 11 be biased into 0～-250V, duty ratio are 0～100%, the revolution rotating speed of pivoted frame is 2.5～3.5 rpms, and (revolution per minute rpm), deposits said color layer 15.The time of deposition color layer 15 can be 20～40 minutes.

This color layer 15 is the Zr-N film, and it is in the L of CIE LAB colour system ^*Coordinate figure between 40 to 50, a ^*Coordinate figure between-25 to-15, b ^*Coordinate figure is between-45 to-35.

Housing 10 of the present invention can be the housing of electronic installations such as mobile computer, personal digital assistant, or is the housing of other decorative kind products.

Compared to prior art, the preparation method of said housing 10 is through choosing and to the design of reacting gas nitrogen flow, make color layer 15 demonstrate blue purpose thereby reach target.

Be noted that above-mentioned execution mode is merely preferred embodiments of the present invention, those skilled in the art also can do other variation in spirit of the present invention.These all should be included within the present invention's scope required for protection according to the variation that the present invention's spirit is done.

Claims

1. housing; Comprise matrix, binder course and color layer, said binder course is formed at the surface of matrix, and said color layer is formed at the surface of binder course; It is characterized in that: said color layer is the Zr-N film, and the chroma areas that this color layer appears is in the L of CIE LAB colour system ^*Coordinate figure between 40 to 50, a ^*Coordinate figure between-25 to-15, b ^*Coordinate figure is between-45 to-35.

2. housing as claimed in claim 1 is characterized in that: said binder course is a titanium metal film, its thickness 0.1～0.3 μ m.

3. housing as claimed in claim 1 is characterized in that: the thickness of said color layer is 0.3～0.5 μ m.

4. housing as claimed in claim 1 is characterized in that: said matrix is metal material, glass or plastics.

5. the manufacture method of a housing, it comprises the steps:

One matrix is provided;

Surface magnetic control sputtering one binder course at this matrix;

Surface magnetic control sputtering one color layer at this binder course; The technological parameter of the said color layer of magnetron sputtering is: be target with the zirconium; With nitrogen and argon gas is working gas, and wherein the total flow of nitrogen and argon gas is 150-700sccm, and the branch of nitrogen covers 20～40% of total gas pressure intensity; Said color layer is the Zr-N film, and the chroma areas that said color layer appears is in the L of CIE LAB colour system ^*Coordinate figure between 40 to 50, a ^*Coordinate figure between-25 to-15, b ^*Coordinate figure is between-45 to-35.

6. the manufacture method of housing as claimed in claim 5; It is characterized in that: said binder course is a titanium metal film; The technological parameter that forms this binder course is: the power power that the titanium target is set is 8-10kw; The bias voltage that matrix is applied is 0～-200V, duty ratio is 0～100%, the plated film time is 5～10 minutes.

7. the manufacture method of housing as claimed in claim 5; It is characterized in that: the technological parameter that forms this color layer is: the power power that the zirconium target is set is 8-12kw; The bias voltage that matrix is applied is 0～-250V, duty ratio is 0～100%, the plated film time is 20～40 minutes.