CN1897187A - Button piece and its production - Google Patents
Button piece and its production Download PDFInfo
- Publication number
- CN1897187A CN1897187A CN 200510083291 CN200510083291A CN1897187A CN 1897187 A CN1897187 A CN 1897187A CN 200510083291 CN200510083291 CN 200510083291 CN 200510083291 A CN200510083291 A CN 200510083291A CN 1897187 A CN1897187 A CN 1897187A
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- China
- Prior art keywords
- layer
- plastic tab
- salient point
- key
- patterning
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- Push-Button Switches (AREA)
- Manufacture Of Switches (AREA)
Abstract
A key-press slice and the manufacture method, the method includes the following steps: provides the design plastic slice with the front face and the back face, and the design plastic slice includes several unattached moving key-press unit with several stencil design structure; forms a metal layer at the front face of the design plastic slice and the sidewall of the stencil design structure; collocates a adhering reinforcing layer on the back face of the design plastic slice; forms a colored layer on the adhering reinforcing layer; forms a protruding point layer on the adhering reinforcing layer and covers a colored layer, the protruding point layer is with several protruding points that the location of them corresponds with the key-press units.
Description
[technical field]
The invention relates to a kind of button piece and manufacture method thereof, and particularly relevant for a kind of cubic metal characters or patterns sense, the button piece and the manufacture method thereof of abundant texture with height.
[background technology]
In the epoch of information blast now, people's life has be unable to do without electronic installation, especially portable electronic devices (portable electronic devices), for example mobile phone, personal digital assistant (personal digital assistant) etc.In order to obtain consumer's favor, the appearance and modeling of portable electronic devices all constantly changes.Though the consumer is when choosing portable apparatus; usually can consider price and function etc.; but there is increasing consumer relatively to pay attention to appearance and modeling, makes the appearance and modeling of portable electronic devices, be gradually varied to curve or other different novel shape from the stiff shape of original Founder.In order to be applied to the portable electronic devices of various moulding, the button piece of various different shapings is just constantly weeded out the old and bring forth the new.Yet, surplus in the moulding of considering button piece, the texture of button piece is the emphasis that must consider.Generally speaking, the plastic key sheet though outward appearance can be decorated, yet does not have the effect that reaches tool metallic luster via after spraying processed such as color, laser engraving.
A kind of known fabricating pieces of key is arranged, can produce button piece with metallic luster effect.Figure 1A to Fig. 1 D illustrates a kind of section flow chart of known fabricating pieces of key.Please earlier with reference to Figure 1A, known fabricating pieces of key is that a plastic sheet 110 is provided earlier.Plastic sheet 110 has positive 112 and one back side 114, and is formed with a plurality of independently actuating buttons 116 on this plastic sheet 110.
Please refer to Figure 1B, then, on the front 112 of plastic sheet 110, form one deck decorative layer 120.The method that forms this decorative layer 120 for example is to plate the layer of metal layer, spray one deck silver lacquer or stamp a material layer with metallic luster with method of printing with spraying (spray) method with galvanoplastic (electroplating).
Please refer to Fig. 1 C, then decorative layer 120 is carried out laser engraving or etch process so that decorative layer 120 patternings.Via the patterning of decorative layer 120, just can form pattern, numeral or literal on the button 116.
Please refer to Fig. 1 D, then, form a salient point layer 130 in the back side 114 of plastic sheet 110, this salient point layer 130 has a plurality of salient point 130a, and the position of each salient point 130a corresponds to each button 116.So, just, can produce button piece 100 with metallic luster.
Yet the thinner thickness of the decorative layer 120 that forms according to aforesaid way, for example, if mostly be 6 microns (μ m) most to electroplate formed metal layer thickness, and the thickness of the formed silver-colored enamelled coating of spraying process has only 30 microns at most.If will make the metallic match volume of pattern, numeral or literal on the button piece 100, then the thickness of decorative layer 120 needs to reach 400 microns at least.Hence one can see that, though known button piece 100 has metallic luster, and can't metallic solid, abundant texture.
[summary of the invention]
Because above-mentioned, the objective of the invention is is providing a kind of fabricating pieces of key, can produce the cubic metal characters or patterns sense with height, the button piece of abundant texture.
Another object of the present invention is that a kind of button piece is being provided, and it has cubic metal characters or patterns sense, the abundant texture of height.
Based on above-mentioned purpose, the present invention proposes a kind of fabricating pieces of key, comprises the following steps:
One patterning plastic tab is provided, and this patterning plastic tab has positive and a back side, and this patterning plastic tab comprises the push-button unit of the independent start of a plurality of energy, wherein has a plurality of pierced pattern structures on those push-button units;
On the sidewall of this front of this patterning plastic tab and those pierced pattern structures, form a metal level;
Reinforced layer is adhered in configuration one on this back side of this patterning plastic tab;
Adhere to formation one color layer on the reinforced layer in this; And
Adhere on the reinforced layer in this and to form a salient point layer, and this salient point layer covers this color layer, this salient point layer has a plurality of salient points, and wherein the position of this salient point is corresponding to this push-button unit.
According to fabricating pieces of key of the present invention, wherein the manufacture method of patterning plastic tab for example is that a plastic tab is provided earlier, then cuts plastic tab to form the patterning plastic tab.
According to fabricating pieces of key of the present invention, the method that wherein forms metal level for example comprises physics or plated film.
According to fabricating pieces of key of the present invention, the method that wherein forms metal level for example comprises spraying, plating, sputter or evaporation.
According to fabricating pieces of key of the present invention, the method that wherein forms color layer for example comprises printing, bat printing or spraying.
According to fabricating pieces of key of the present invention, the method that wherein forms the salient point layer for example comprises injection moulding or hot-forming.
According to fabricating pieces of key of the present invention, wherein when forming the salient point layer, for example comprise more that part is adhered to reinforced layer to be pressed in these pierced pattern structures.
According to fabricating pieces of key of the present invention, wherein after forming the salient point layer, for example more comprise the redundance of the periphery of cut-outs plastic tab.
The present invention proposes a kind of button piece, and it comprises a patterning plastic tab, has positive and a back side, and this patterning plastic tab comprises the push-button unit of the independent start of a plurality of energy, has a plurality of pierced pattern structures on this push-button unit;
One metal level is disposed on the sidewall of this front of this patterning plastic tab and this pierced pattern structure;
One adheres to reinforced layer, is disposed on this back side of this patterning plastic tab;
One color layer is disposed at this and adheres on the reinforced layer; And
One salient point layer is disposed at this and adheres on the reinforced layer, and covers this color layer, and this salient point layer has a plurality of salient points, and the position of this salient point is corresponding to this push-button unit.
According to the described button piece of preferred embodiment of the present invention, wherein partly adhere to reinforced layer and for example more be filled in these pierced pattern structures.
According to the described button piece of preferred embodiment of the present invention, the material of wherein adhering to reinforced layer for example comprises thermoplastic matrix's amine polyformate (Thermoplastic Polyurethane, TPU), thermoplastic elastomer (Thermal Plastic Rubber, TPR) or thermoplastic resin.
According to the described button piece of preferred embodiment of the present invention, the material of its bumps layer for example comprises thermoplastic elastomer (TPE).
According to the described button piece of preferred embodiment of the present invention, the material of its bumps layer for example comprises silicon rubber, thermoplastic matrix's amine polyformate (ThermoplasticPolyurethane, TPU), thermoplastic elastomer (Thermal Plastic Rubber, TPR) or thermoplastic resin.
In sum, in button piece of the present invention and preparation method thereof, because metal level is disposed on the sidewall of the front of patterning plastic tab and pierced pattern structure thereof, so the pierced pattern of button piece can have the solid of metal, abundant texture.
For above-mentioned and other purposes, feature and advantage of the present invention can be become apparent, preferred embodiment cited below particularly, and cooperate appended graphicly, be described in detail below.
[brief description of drawingsfig]
Figure 1A to Fig. 1 D is a kind of flow process profile of known fabricating pieces of key.
Fig. 2 is the schematic perspective view of the patterning plastic tab of one embodiment of the invention.
Fig. 3 A to Fig. 3 E is the flow process profile of the fabricating pieces of key of one embodiment of the invention.
The schematic diagram of the button piece of Fig. 4 preferred embodiment of the present invention and button circuit board combination.
Fig. 5 is the schematic diagram that utilizes the mobile phone that the button piece of preferred embodiment of the present invention makes.
[embodiment]
Fig. 2 is the schematic perspective view of a patterning plastic tab, and Fig. 3 A to Fig. 3 E illustrates the flow process profile into the fabricating pieces of key of one embodiment of the invention.
Please earlier with reference to Fig. 2 and Fig. 3 A, the fabricating pieces of key of present embodiment is that a patterning plastic tab 210 is provided earlier.The manufacture method of this patterning plastic tab 210 for example is that a complete uncut plastic tab (not illustrating) is provided earlier, then it is cut, and makes the plastic tab patterning and forms patterning plastic tab 210.Patterning plastic tab 210 has positive 212 and one back side 214, and comprises the push-button unit 216 of the independent start of a plurality of energy, and has a plurality of pierced pattern structure 216a on these push-button units 216.Particularly, has a pierced pattern structure 216a on each push-button unit 216 at least.
Please refer to Fig. 3 B, then, on the sidewall of the front 212 of this patterning plastic tab 210 and pierced pattern structure 216a, form a metal level 220.The method that forms this metal level 220 for example comprises physical coating, plated film, spraying, plating, sputter, evaporation or other proper methods.
Please refer to Fig. 3 C, then, reinforced layer 230 is adhered in configuration one on the back side 214 of patterning plastic sheet 210.This material of adhering to reinforced layer 230 for example comprise thermoplastic matrix's amine polyformate (Thermoplastic Polyurethane, TPU), thermoplastic elastomer (Thermal Plastic Rubber, TPR), thermoplastic resin or other suitable materials.
Please refer to Fig. 3 D, then, form a color layer 240 on the reinforced layer 230 in adhering to.The method that forms this color layer 240 for example comprises printing, bat printing, spraying or other proper methods.In addition, color layer 240 is not limited to single color, can optionally use multicolour, and the distribution mode of each color is not done qualification yet.
Please refer to Fig. 3 E, then, form a salient point layer 250 on the reinforced layer 230 in adhering to, and cover color layer 240.This salient point layer 250 has a plurality of salient point 250a, and the position of these salient points 250a is corresponding to each push-button unit 216.The method that forms this salient point layer 250 for example comprises injection moulding, hot-forming or other suitable modes, and the material of salient point layer 250 for example comprises thermoplastic elastomer (TPE), silicon rubber, thermoplastic matrix's amine polyformate (Thermoplastic Polyurethane, TPU), thermoplastic elastomer, thermoplastic resin (Thermal Plastic Rubber, TPR) or other suitable materials.So, just roughly finish the making of button piece 200.
In addition, when forming salient point layer 250, also part can be adhered to reinforced layer 230 and be pressed in these pierced pattern structures 216a, to avoid dust accretions in pierced pattern structure 216a.In addition, after forming salient point layer 250, look design requirement and the peripheral redundance of cut-outs plastic tab 210.
The structure of button piece 200 and the function at each position below will be described in detail in detail.Please continue the E with reference to Fig. 3, the button piece 200 of present embodiment comprises that a patterning plastic tab 210, a metal level 220, adhere to reinforced layer 230, a color layer 240 and a salient point layer 250.Patterning plastic tab 210 has positive 212 and one back side 214, and comprises the push-button unit 216 of the independent start of a plurality of energy, wherein has a plurality of pierced pattern structure 216a on these push-button units 216.
Adhere on the back side 214 that reinforced layer 230 is disposed at patterning plastic tab 210.Color layer 240 is disposed at and adheres on the reinforced layer 230.Salient point layer 250 is disposed at and adheres on the reinforced layer 230, and covers color layer 240, and this salient point layer 250 has a plurality of salient point 250a, and wherein the position of those salient points 250a is corresponding to these push-button units 216.
It should be noted that it is relatively poor with the adhesive force between patterning plastic tab 210, so present embodiment is to dispose at patterning plastic tab 210 back sides earlier to adhere to reinforced layer 230 if when salient point layer 250 directly is disposed at patterning plastic tab 210 back sides 214.Patterning plastic tab 210 and adhere to reinforced layer 230 between and salient point layer 250 and adhere to reinforced layer 230 between adhesive force all quite good, therefore can solve salient point layer 250 and patterning plastic tab 210 between the not good problem of adhesive force.In addition, because color layer 240 is difficult for directly being attached on the patterning plastic tab 210, therefore adhering to reinforced layer 230 also can be as the basis of adhering to of color layer 240.
Fig. 4 illustrates the button piece of preferred embodiment of the present invention and the schematic diagram of button circuit board combination.Button piece 200 be disposed at button circuit board 300 on.Button circuit board 300 comprises a circuit board 310, a plurality of fixed contact 320 and a plurality of metal clips (metal-dome) 330.Wherein, fixed contact 320 all is disposed on the circuit board 310 with metal clips 330, and each metal clips 330 is positioned on the corresponding fixed contact 320, but does not contact with fixed contact 320.Each salient point 250a of salient point layer 250 is suitable for contacting with metal clips 330, when the user depresses push-button unit 216, can push metal clips 330 corresponding to the salient point 250a of push-button unit 216, and metal clips 330 is contacted with fixed contact 320.By contacting of metal clips 330 and fixed contact 320, but user's input data is to portable electronic devices such as mobile phone or personal digital assistants.
Fig. 5 illustrates the schematic diagram of the mobile phone of the button piece manufacturing that utilizes preferred embodiment of the present invention.Because button piece 200 has metallic luster, and has tool cubic metal characters or patterns, abundant texture, so utilize the aesthetic feeling of mobile phone of the button piece manufacturing of preferred embodiment of the present invention to be greatly improved.
Hold above-mentionedly, the button piece of present embodiment is not defined for the manufacturing mobile phone, and the button piece of present embodiment also can be used for other portable electronic devices according to different demands, to promote the aesthetic feeling of this portable electronic devices.
In sum, in button piece of the present invention and manufacture method thereof, have at least following advantages:
One, all disposes on the sidewall of the front of button piece of the present invention and pierced pattern structure Therefore metal level is arranged, and button piece of the present invention not only has metallic luster, more has to have Cubic metal characters or patterns, abundant texture.
Two, the present invention adopts plastic tab to make button piece, is easy to laser engraving, processing To make decorative pattern, therefore can reach better radium-shine lathe work effect.
Three, higher compared to the cost of making button piece with the simple metal wafer processes, this The lower-cost plastic tab of bright employing is made button piece, and the etching in the manufacturing process, The cost of electroplating is lower, so can reduce the cost of manufacture of button piece.
Claims (13)
1. a fabricating pieces of key is characterized in that: comprise the steps:
One patterning plastic tab is provided, and this patterning plastic tab has positive and a back side, and this patterning plastic tab comprises the push-button unit of the independent start of a plurality of energy, wherein has a plurality of pierced pattern structures on those push-button units;
On the sidewall of this front of this patterning plastic tab and those pierced pattern structures, form a metal level;
Reinforced layer is adhered in configuration one on this back side of this patterning plastic tab;
Adhere to formation one color layer on the reinforced layer in this; And
Adhere on the reinforced layer in this and to form a salient point layer, and this salient point layer covers this color layer, this salient point layer has a plurality of salient points, and wherein the position of this salient point is corresponding to this push-button unit.
2. fabricating pieces of key as claimed in claim 1 is characterized in that: the manufacture method of this patterning plastic tab comprises the steps:
One plastic tab is provided; And
Cut this plastic tab to form this patterning plastic tab.
3. fabricating pieces of key as claimed in claim 1 is characterized in that: the method that forms this metal level comprises physics or plated film.
4. fabricating pieces of key as claimed in claim 3 is characterized in that: the method that forms this metal level comprises spraying, plating, sputter or evaporation.
5. fabricating pieces of key as claimed in claim 1 is characterized in that: the method that forms this color layer comprises printing, bat printing or spraying.
6. fabricating pieces of key as claimed in claim 1 is characterized in that: the method that forms this salient point layer comprises injection moulding or hot-forming.
7. fabricating pieces of key as claimed in claim 1 is characterized in that: when forming this salient point layer, comprise more that with part this adheres to reinforced layer and is pressed into step in this pierced pattern structure.
8. fabricating pieces of key as claimed in claim 1 is characterized in that: after forming this salient point layer, more comprise the step of the redundance of the periphery that cuts this patterning plastic tab.
9. button piece is characterized in that: comprising:
One patterning plastic tab has positive and a back side, and this patterning plastic tab comprises the push-button unit of the independent start of a plurality of energy, has a plurality of pierced pattern structures on this push-button unit;
One metal level is disposed on the sidewall of this front of this patterning plastic tab and this pierced pattern structure;
One adheres to reinforced layer, is disposed on this back side of this patterning plastic tab;
One color layer is disposed at this and adheres on the reinforced layer; And
One salient point layer is disposed at this and adheres on the reinforced layer, and covers this color layer, and this salient point layer has a plurality of salient points, and the position of this salient point is corresponding to this push-button unit.
10. button piece as claimed in claim 9 is characterized in that: this adheres to part reinforced layer and more is filled in this pierced pattern structure.
11. button piece as claimed in claim 9 is characterized in that: this material of adhering to reinforced layer comprises thermoplastic matrix's amine polyformate, thermoplastic elastomer or thermoplastic resin.
12. button piece as claimed in claim 9 is characterized in that: the material of this salient point layer comprises thermoplastic elastomer (TPE).
13. button piece as claimed in claim 9 is characterized in that: the material of this salient point layer comprises silicon rubber, thermoplastic matrix's amine polyformate, thermoplastic elastomer or thermoplastic resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510083291 CN1897187A (en) | 2005-07-13 | 2005-07-13 | Button piece and its production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510083291 CN1897187A (en) | 2005-07-13 | 2005-07-13 | Button piece and its production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1897187A true CN1897187A (en) | 2007-01-17 |
Family
ID=37609665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510083291 Pending CN1897187A (en) | 2005-07-13 | 2005-07-13 | Button piece and its production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1897187A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101883477A (en) * | 2009-05-04 | 2010-11-10 | 富准精密工业(深圳)有限公司 | Shell and manufacturing method thereof |
| CN101888754A (en) * | 2009-05-14 | 2010-11-17 | 富准精密工业(深圳)有限公司 | Shell and manufacturing method thereof |
| CN102013352A (en) * | 2010-11-26 | 2011-04-13 | 苏州达方电子有限公司 | Keyboard and manufacturing method thereof |
| CN101252050B (en) * | 2007-02-21 | 2012-11-14 | 保力马科技株式会社 | Decorative key sheet for pushbutton switches |
-
2005
- 2005-07-13 CN CN 200510083291 patent/CN1897187A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101252050B (en) * | 2007-02-21 | 2012-11-14 | 保力马科技株式会社 | Decorative key sheet for pushbutton switches |
| CN101883477A (en) * | 2009-05-04 | 2010-11-10 | 富准精密工业(深圳)有限公司 | Shell and manufacturing method thereof |
| CN101888754A (en) * | 2009-05-14 | 2010-11-17 | 富准精密工业(深圳)有限公司 | Shell and manufacturing method thereof |
| CN102013352A (en) * | 2010-11-26 | 2011-04-13 | 苏州达方电子有限公司 | Keyboard and manufacturing method thereof |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |