TW201115604A - Key and method for manufacturing the same - Google Patents

Abstract

A key manufacturing method includes the following steps of: providing a pattern film, forming a first injection layer located on one side of the pattern film by injection molding method, forming a second transparent injection layer by injection molding method. The second transparent injection layer is located on the other side of the pattern film, the edge of the first injection layer project over the second transparent injection layer, the injection gate of the second transparent injection layer set along the direction of the edge of the first injection layer and connect to the second transparent injection layer. Cut the residual material of the injection gate along the edges of the first injection. The pattern film of the key using the above method is not destroyed.

Description

201115604 VI. Description of the Invention: [Technical Field of the Invention] [0001] The present invention relates to a method of manufacturing a key and a key manufactured using the same. [0002] [0003] [Prior Art] With the rapid development of electronic products, the use of mobile electronic devices such as mobile phones, players (MP3), personal digital assistants (PDAs), notebook computers, etc. has become very common, and generally The button as a control is an indispensable component of the portable electronic device. [0004] The usual preparation method of the button _ Hui | ^ _ material to press the body, and then press the body to print the ink layer. The film with the printing ink layer | ^ | ^ injection molding to make the film and transfer into the material n The pattern of the button structure made by the two sides (4) is exposed on the outer surface of the button. After a long time of use, the pattern or font is easily worn away. 一r one;: Inteilorini [invention]: '10 1 ρ ^^ Rong Content, there are #* manufacturing methods and buttons manufactured using the method. [0005] A method for manufacturing a button, comprising the steps of: providing a layer of a film, forming a first injection layer by injection molding, the first injection layer being located on the side of the pattern layer to form a second injection transparent by injection molding a layer, the second injection transparent layer is located on the other side of the pattern layer, the edge of the first injection layer protrudes from the second injection transparent layer, and the injection opening of the second injection transparent layer is along the edge of the first-salt layer The convex direction is set to be connected to the second injection transparent 098,136,391 layer, and the injection material is cut along the edge of the first injection layer. A No. A0101 Page 3 of 14 0 0982062367-0 201115604 [0006] One use of the above The method of manufacturing a button includes forming a first injection layer by injection molding, forming a second injection transparent layer by injection molding, and. The pattern layer between the two. The edge of the first injection layer protrudes from the second injection transparent layer. The edge of the second injection transparent layer of the button has a transparent material-forming projection that extends outwardly and is flush with the edge of the first injection layer. [0007] The pattern layer of the button is disposed between the first injection layer and the second injection transparent layer, and the first injection transparent layer makes the pattern layer visible and can protect the pattern layer to prevent the pattern layer from being worn. And the gate of the second injection transparent layer is disposed on the edge of the first layer [0008], and the edge of the first layer is formed to form a transparent protrusion after the injection, and the button is not pressed. The preferred embodiment discloses a button made by the 锢 兹 * method, which is suitable for portable electronic products such as mobile phones, PDAs, ΜΡ3 and handheld electric contacts*»__

Ensure that the buttons look good

[0010] Please refer to FIG. 1 and the wind 2 wheel manufacturing method including the following steps: V.c Ή __ λ Ανΐ·Ι ' . - 丨 - i provide a film, print the pattern to the thin layer 1 ( ^The pattern layer 10 is hot pressed to form a desired shape. The pattern layer 10 is stamped to make it suitable for molding.

formula. As shown in Fig. 3, when the pattern layer 10 is formed, the sheet 1〇2 is used as the carrier of the decorative pattern 101. The decorative pattern 101 is printed on the surface of the sheet 1〇2. In this embodiment, the pattern layer 10 is a plastic film having a thickness of between 〇 i mm and 0.2 mm. The sheet 102 can be a colored plastic or a transparent plastic knee, such as polycarbonate, acrylonitrile 'butadiene' styrene copolymer (ABS resin), polystyrene (PS 'Polystyrene), polyethylene gas (pvc, p 〇ly Vinyl Chi or ide) or polycarbonate/acrylonitrile _ butyl diene _ styrene 098136391 Form No. A_ Page 4 / Total 14 Page 0982062367-0 201115604 Gel (PC/ABS, Polycarbonate/Acryloni-trile- Butadiene-Styrene) and other plastic resins. The decorative pattern 101 on the sheet 1〇2 can be formed on the film in a variety of ways such as screen printing, offset printing, etching, holography, and the like. [0011] ❹

[0012] The first injection layer 20' is formed by injection molding. The first injection layer 20 is located on the side of the pattern layer 10 and is connected to the pattern layer 10 and a combination thereof. In this embodiment, the first injection layer 20 is cooled and solidified to form the bottom layer of the final product. The first injection layer 20 can be a colored plastic or a transparent plastic such as polycarbonate, acrylonitrile-butadiene-stupid ethylene copolymer (ABS resin), polystyrene (PS, Polystyrene), polyethylene oxide (PVC ' Poly Vinyl

Chloride) or polycarbonate/acrylic resin (PC/ABS » Polycarbonati trile-Butadiene-Styrene) and other plastic resins. The thickness of the first injection molded layer 20 can be determined according to the actual size of the key structure to be formed, and the amount of the components to be assembled in accordance with the key structure 100. In this embodiment, the thickness of the first injection layer 20 is between. The first injection layer 2 turns to the button junction __^||| The edge of the first injection layer 20 protrudes from the second transparent injection layer 30 to form the mounting portion 23 » The recess 21 can accommodate the portion and the button structure 1〇 〇 Fit the components (not shown) to save space. The mounting portion 23 allows the button structure 10 to be better and more conveniently secured. As shown in Fig. 4, a second injection transparent layer 3 is formed by injection molding, and a second injection transparent layer 30 is injection molded on the other side of the first injection layer 20 with respect to the pattern layer 1 . The second injection transparent layer 3 〇 constitutes the outer layer of the final product. The visible light portion of the phase material is transparent or translucent. The second injection is transparent 098136391. Form No. A0101 Page 5 / 14 pages 0962062367-0 201115604 [0014] Layer 30 It is also possible to have a certain primary color to provide it with a specific appearance. The material used for the second injection transparent layer 30 may be polycarbonate (PC,

Polycarbonate), a transparent acrylic acid-Butadiene-Styrene or a plastic resin such as polymethyl methacrylate (PMMA) in this embodiment The combination of the first injection layer 20 and the pattern layer 1 is placed in a cavity 60, which includes a channel 61 «> channel 61 for injecting molten material forming the second injection transparent layer 30, channel 61 The washway 50 and the wash port 40 are connected in sequence. A molten (four) qit of the second injection transparent layer 30 is formed into the cavity. The gate layer of the second injection transparent layer (4) is mounted with the pattern layer 10 of the 23, and after the second shot is formed, the transparent material connected to the pattern 10 is injected twice, and the button 1 is taken out from the cavity. . Cutting the rinsing 4 along the edge of the first injection layer 2 铽Μ », y in the process of using the above-mentioned button 100 manufacturing method, due to the second injection of the button 100; the transparent layer is different from the button 100 The gate 40 of the edge of the first injection layer 20 is injected, so that the cutting layer 1〇 is not required to be cut during the injection process and after the button 100 is injected into the gate 40, and the pattern layer 10 and the button 100 can be ensured. The two injection transparent layer 30 looks good.

[0015] 098136391 It can be understood that in the manufacturing process of the button 1 图案, the pattern layer 10 can be formed on the film in various ways, and is not limited to screen printing, offset printing, digital printing, etching, holography on the substrate sheet. Paint, sputter, plating, perforation, gluing and labeling. In addition, such as light guide, resistance mass; _ι page 6 / total 14 pages 0982062367-0 201115604 Μ (4) sub-piece connection (four) riding on the multi-meal operation is also considered to form a round case. Between the layer 10 and the first injection layer 2〇 and the second injection transparent layer 3G, a bonding layer may be added to increase the bonding strength of the button (10). [0016]

In summary, this (four) has indeed met the requirements of the issuance of defects, and the patent is required to be filed according to law. However, the above description is only a preferred embodiment of the present invention, and it is not possible to limit the scope of the patent application of the present invention. Equivalent modifications or variations made by persons skilled in the art in light of the present invention are intended to be included within the scope of the following claims. [0019] [0020] [Simple Description of the Drawings] .. Γ: FIG. 1 is a annihilation embodiment of the present invention.

Figure 2 is a diagram of a preferred embodiment of the present invention

3 is a schematic structural view of a key pattern layer in accordance with a preferred embodiment of the present invention. Fig. 4 is a schematic view showing the gate arrangement of the preferred embodiment of the present invention. : . . . Pfaperly * [Main component symbol description] Office [0021] Button 100 round layer 10 [0022] Decorative pattern 1 〇 1 sheet 102 [0023] First injection layer 20 groove 21 [0024] Mounting portion 23 Second Injection Transparent Layer 30 [0025] Bump 31 Gate 40 [0026] Washing 50 Cavity 60 098136391 Form Compilation A0101 Page 7 / Total 14 Page 0962062367-0 201115604 [0027] Channel 61

098136391 Form No. A0101 Page 8 of 14 0982062367-0

Claims (1)

201115604 VII. Patent application scope: 1. A method for manufacturing a button, comprising the steps of: providing a thin film, forming a pattern on the film to provide a pattern layer; forming a first injection layer by injection molding, the first The injection layer is located on one side of the pattern layer; the second injection transparent layer is formed by injection molding, and the second injection transparent layer is located on the other side of the pattern layer, and the edge of the first injection layer protrudes from the second layer Injecting a transparent layer, the convex edge of the first injection layer is covered with a pattern a layer, the molten material forming the second injection transparent layer enters the cavity through the gate along the surface of the pattern layer covering the convex edge, and is cooled and solidified to form a second injection transparent layer; ΐ cut along the edge of the first injection Tang The method for manufacturing a button according to claim 1, wherein: the second injection transparent layer has a mouth washing speed at a layer covering the edge of the first non-emissive layer '* ιλ! The method of item i, wherein: the second (four) transparent layer connecting layer of the button is parallel to and connected to the pattern layer. 4. The method of manufacturing a button according to claim 1, wherein the step of forming a decorative pattern on the film comprises at least one of the following: screen printing, offset printing, digital printing on the film , engraving, holography, paint, sputtering, keying, perforation, gluing and labeling. 5. The method of manufacturing a button according to claim 1, wherein the step of forming the pattern layer further comprises hot pressing and punching the thin layer. 6. The method of manufacturing a button according to item 1 of the patent application, wherein: 098136391 Form No. A0101 Page 9 of 14 0982062367-0 201115604 There is also a bonding layer between the pattern layer and the injection layer. Omm。 The thickness of the second injection layer is 0. 6至1. Omm, the thickness of the second injection layer is 0. 6 to 1. Omm 2毫米。 The thickness of the layer is 0. 1 to 0. 2mm. 8. A button comprising: forming a first injection layer by injection molding, forming a second injection transparent layer by injection molding, and a pattern layer disposed therebetween, wherein: the first injection layer The edge protrudes from the second injection transparent layer, and the edge of the second injection transparent layer of the button has a transparent protrusion extending outward and flush with the edge of the first injection layer. 9. The method of manufacturing a button according to claim 8, wherein the protrusion is formed by a gate of the second injection transparent layer attached to the pattern layer covering the edge of the first injection layer. i. The button of claim 8, wherein a bonding layer is further disposed between the pattern layer and the injection layer. 098136391 Form No. A0101 Page 10 of 14 0982062367-0