TWI337104B - Flexible metal foil laminate manufacturing apparatus and manufacturing method using the same apparatus - Google Patents

Abstract

Provided is double belt pressing equipment and the like, which enable a flexible metal foil laminate with a good appearance to be stably formed, even if the flexible metal foil laminate is continuously manufactured over a long period of time. This double belt pressing equipment is fitted with an endless belt wherein 0.2% proof stress on condition of 300[deg.]C is 1,100 N/mm<SP>2</SP>or more. Since this enables an increase in the durability of the endless belt and the securement of the surface smoothness of the endless belt, a scratch is prevented from being transferred to a product. Thus, theflexible metal foil laminate with the good appearance can be continuously manufactured.

Description

IX. Description of the Invention: [Technical Field to Which the Invention Is Applicable] The t invention relates to a double-pressure belt device used for the production of a laminate, and a method for producing the same using the pressure. The present invention relates to a double-pressure belt device for manufacturing a flexible metal foil laminate obtained by thermocompression bonding a thermocompression-bonding i-layer polyimide film and a metal foil, and using the double A method of manufacturing a belt press device. [Prior Art] A laminate in which an aromatic polyimide film and a metal foil are laminated is widely used for a substrate material of an electric t element. Among them, the flexible metal foil lamination system has a large thermocompression bonding property = a polyfluorene imide film (a highly heat-resistant aromatic polycyanide layer and a thermocompression-bonded aromatic polyaluminum film by a cast film forming method) Ammonia laminate integrated) and metal foil laminated. In the laminate, when an aromatic polyimide film and a metal foil are laminated, an adhesive (such as a cyclic resin) is not used, and the laminate is excellent in heat retention and dimensional stability. The thermocompression-bonded aromatic polyimide layer and the metal foil were thermocompression-bonded under pressure using a double pressure belt device, and then cooled to produce a flexible metal foil laminate. After the twisting is applied to the vicinity of 400 °C. '... Here, the double-pressure π device means that a plurality of sheets of material are continuously fed into a configuration of a pair of endless belts. The Lili crimping device is separated from the endless skin (four) of the thin sheet, and is thermocompression-shaped. (4) The device. The miscellaneous crimping device is divided into a way to make the surface of the pressure-checking plate adhered (referred to as "hydraulic mode") or a drum that rotates the endless belt and/or a rolling pressure of the roller that is disposed between the drums. . "The hydraulic double-belt device shown in the example of ί means that a plurality of thin plate materials 21 to 26 are continuously fed in the X direction, and the drum is rotated by the symbol D. In the case of the dip, the thin plates 2, 23, 24 to 26 are each thermocompression bonded by the hydraulic plate 3 disposed in each of the endless belts to form the laminated bodies 27 and 28, for example, in the case of sex. In the case of metal_layer, the supply is used as the material 23, 24, (6) and the thermocompression-type multilayer _imide film (22, 25), and the product is manufactured by the connection of 1337104 (27, 28). Each of the 28 layers is a laminate of a metal foil/polyimide film/metal foil. Fig. 5 is a schematic view of the hydraulic surface 31 of the hydraulic plate 3 shown in Fig. 4. The hydraulic surface 31 of the hydraulic plate 3 is The inner side surface 12 of the endless belt 1 faces each other (see Fig. 4). As shown in Fig. 5, a groove 33 is provided on the hydraulic surface 31 of the hydraulic plate 3 along the periphery 32 of the hydraulic surface 31. A hydraulic sealing frame is attached to the groove 33. 4. In addition, the 'arrow number X indicates the direction of travel of the sheet material of the thermocompression bonding. ^ '

Fig. 6 is a schematic cross-sectional view showing a portion of Fig. 4 . As shown in Fig. 6, the thin plate material 2 (21 to 26) travels in the direction of the arrow direction between the upper and lower endless belts 1, and is pressed by the hydraulic pressure p in the region where the thin plate material 2 and the hydraulic plate 3 face each other. The hydraulic sealing frame 4 is fitted into the groove 33 of the hydraulic plate 3. The hydraulic airtight frame 4 is in contact with the end belt 1 and faces the hydraulic plate 3. The hydraulic medium 5 is closed by the hydraulic surface 3 of the hydraulic plate 3, the inner side 41 of the liquid-tight frame 4, and the endless belt 1. On the other hand, when the body is manufactured, the sheet material 2 is pressurized by the hydraulic pressure P across the endless belt 1. This is because the heat system is heating the hydraulic medium, and the pressure-like type is connected to the endless belt i and then the typical rolling type double pressure belt device system-type hydraulic plate is used in order to make the endless The belt is rotated and arranged =; = the wheel group 'heats and presses through the endless belt: Si is used. The drum or the roller is mainly made by induction heating. The flexible metal laminate described in Patent Document 1 === earn 4, [Patent Document 1] Japanese Laid-Open Patent Publication No. JP-A-62-74611 (Patent Document 3) JP-A-62-74611 (Patent Document 4) 200H29919 [Invention] The invention is to solve the problem of the high-functionality or high-definition of the electronic device with the high-functioning or high-definition of the electronic device, and the base of the electronic component (four) material ¥, _, on the scratch The metal vl laminate particularly requires a high degree of surface smoothness. However, in the long-term continuous production of the flexible metal pure layer body using the double tape device, the surface smoothness of the product is damaged. Therefore, the main object of the present invention is to provide a double-pressure belt apparatus and a method of manufacturing a laminate using the δ-Hui apparatus, and to examine in detail the cause of the damage of the surface smoothness, by using the improved double-pressure belt The device, which is manufactured continuously for a long period of time, can also be stably formed into a flexible metal foil laminate having a good appearance. (Solution of the subject) The inventors of the present invention conducted a detailed review of the cause of the occurrence of the above-mentioned part of the silky money, and found that the drum is disposed in the inner side of the endless belt, and is hydraulically sealed in the hydraulic pressure. _, the use of the pressure roller and the like, and the endless belt, when touched, because the physical side or foreign matter that is subjected to the fineness is mixed into the contact, so that there is no scar on the belt and the flaw is made to the outside (the endless skin) Between the τ side), it is slightly deformed and transferred to the product. - Therefore, when it is focused on the endless belt where such fine deformation is difficult to occur, it is effective to prevent damage by using the endurance line above the specific temperature condition. In addition, in the present invention, "(4) Surface smoothness" means that a concave portion or a convex portion is formed on the surface of the laminate of the product, regardless of its specific shape, and is not narrowly explained. Specifically, Lu, newly discovered under the conditions of Jiayang · 2% financial system 11〇〇N/ ugly 2 end belt is also difficult to deform in the case of long-term continuous operation of the double-pressure belt device. The present invention is based on this new End of knowledge That is, the present invention provides a double-pressing device, and the first and second multi-sheet materials are continuously arranged into an up-and-down endless belt, and the air-cooling device is placed in the inner end of the endless belt. The endless belt heats the sheet material, and is characterized by being equipped with a tree force under different conditions, and an endless belt of more than mm, for example, providing a hydraulic or rolling method of the device. The belt press device furthermore provides the endless belt type precipitation hardening type stainless steel belt or the double pressure belt apparatus containing at least titanium. Next, in the present invention, there is provided a method of using a 0, 2% endurance system equipped under the condition of 300t. A double-pressing device of a iioon/face 2 or more endless belt is used to manufacture a laminate. For example, the laminated system is provided with a metal foil which is thermally crimped on the surface of the high heat-resistant polyimide film to the 0 side. The present invention provides a method for producing a flexible metal foil laminate. The invention provides a double-pressure belt device of the present invention or a manufacturing method using the same, which can produce a flexible metal foil laminate which can be continuously manufactured for a long period of time with a high degree of surface smoothness. Good quality A metal foil laminate. Therefore, the manufacturing cost of the laminate can be reduced. The double belt press device of the present invention or the method of using the same can be applied not only to the manufacture of a flexible metal foil laminate, for example, It can also be applied to a relatively thick laminate. In particular, for a laminate that requires a high temperature thermocompression bonding, a surface that requires precise thermocompression bonding and a smooth surface finish. The present invention is described below. [Embodiment] Hereinafter, the preferred embodiments and examples of the present invention will be described. First, the present invention can be applied to all double-pressure belt devices. The secret mode of the close-fitting frame or the method of pressurization and heat-receiving by the drum and/or miscellaneous is particularly suitable for the hot-pressing of the high-temperature condition under the condition of (3)&gt;3?. When manufacturing a flexible metal laminate, it is judged by the force of the endless belt and the belt. It is easy and correct to pre-check the durability of the endless belt before the belt, and it is judged that the operation can be continuously operated for several hours. For the endless belt having a 〇·2% endurance of 1100 N/mm 2 or more at 300 ° C, for example, a precipitation hardening type stainless steel belt can be used. In the "precipitation hardening type non-recording steel", one or two or more kinds of yy, Tj, fb, Cu, and the like are added, and heat treatment is performed to increase the strength. This heat treatment is carried out by maintaining the temperature at which the elements such as A1, Nb, and Cu become supersaturated, and after the heat treatment, the intermetallic compound is precipitated by being placed at a low temperature or the like to increase the strength of the stainless steel. Thus, the precipitation hardening type stainless steel is classified into a Martens system, a system, and an austenitic system depending on the composition of the matrix. | Can be used to make at least titanium. In particular, at least the precipitation hardening type of titanium is not good. Hungry in addition to 0 in 3003⁄4 conditions. Endurance is 11〇〇N/_2 or more.

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[Examples]

‘thickness 18&quot;m) 〇

'Product name 『UPILEX』, 1337104 [Table 1] Component element Fe C Si Μη Cr Ni Cu Ti Mo Belt A (% by weight) 75. 202 0.048 0.60 0.64 15.78 4.17 3.45 0.00 0.11 Belt B (% by weight) 76. 024 0.036 1.38 0.24 13. 86 6.74 0.69 0.28 0. 75 Belt C (% by weight) 75. 540 0.030 0.60 0.73 15. 09 4.85 ( 3.070 0.00 0.19 In the following "Table 2" and additional Figures 1 to 3 show this embodiment Fig. 1 to Fig. 3 show "Table 2" as a figure. Fig. 1 shows the result of the endless belt a, Fig. 2 shows the result of the endless belt B, and Fig. 3 shows the result of the endless belt c. The measurement of the duration of the measurement, the time until the occurrence of the damage to the surface smoothness is measured. According to the method specified in JIS specifications Z2201 and Z2241, 0.2% of the endurance is measured. '[Table 2] Belt ABC A1 A2 A3 B1 B2 B3 Cl C2 C3 Duration (hours) 524 600 600 1080 1250 1450 960 900 920 Ambient temperature 0.23⁄4 Endurance (N/mm2) 1355 1311 1370 1409 1474 1430 1360 1380 1390 300°C 0. 2% Stamina (N/Caf 2) 1013 1012 1012 1189 1290 c 1280 1120 1160 1100 as shown in Table 2 above As shown in Fig. 1, the endless belt tube has a short duration of about 600 hours at room temperature or under 3 〇〇c. 2% endurance at room temperature, all three belts are close to 1 side/mm2, and in words &lt; : condition, down to } face / face 2 to 1337104

Whether Hit's has a lasting force for continuous manufacturing, it can't be judged according to ^2% endurance, and the condition of the &amp;C condition becomes a low value, which becomes the benchmark for the endurance. Right, as shown in Tables 2 and 812 above, the endless belt B has a high endurance force regardless of whether it is at room temperature or too long. Compared with the endless belt A, the difference between the 0.2% of the normal temperature and the force is not large, and the 〇* 2% endurance of the ί±°°C is more than 11 〇〇n/_2, which is obviously better than the endless skin a. Therefore, at 30irc The result of the 0.2% resistance test under the condition becomes the standard of the long-lasting knife. * As shown in Table 2 and Figure 3 above, the endless belt c has a long-lasting time of 1 () 咖小日# or more regardless of the normal temperature or if 〇Λ condition. ί = 5 with 2C is also the same as the endless belt ,, under the condition of 3 〇. The endurance ', deleted above, obviously higher than the endless belt Α. Therefore, the result of the 0.2% resistance test under the condition of TC becomes an indicator of the endurance. According to the result of 2 or more, it can be judged that the endless belt of 0.2% of the endurance of ll^N/mm or more under the 30ITC condition has a high height. Persistence ^ Therefore, by using the endless skin ▼, the flexible metal foil laminate can be continuously manufactured without replacing the endless belt; once again, when the endless belt eight, the endless belt β and the endless belt C, as shown in Table 1, The one shown has a phase difference of titanium. Therefore, it can be inferred that the endless belt containing titanium has higher durability. 'Industrial application can be applied by using the device of the present invention because it can be continuously and stably for a long time. The manufacture of a laminate having a good appearance is industrially advantageous. In particular, the apparatus or method of the present invention is industrially useful in a long-term continuous and stable manufacture of a flexible metal falling laminate commonly used for electronic materials. Figure 1 is a comparison of the endless belt at room temperature and 300X: 2% endurance. (Figure 2 is a comparison of the endless belt at room temperature and 30 (rc conditions) Β之〇·找耐1337104 Fig. 4 is a view showing a prior art example, and a schematic view of the endless belt C at a normal temperature and under the condition of C. Fig. 5 is a view showing a prior art example, a pressure plate (3) Schematic diagram of the hydraulic surface (31). The liquid pressure indicating device of the double pressure belt device of the hydraulic type is shown in Fig. 6 showing the prior art, and the material of the smashing board (2) is applied. Part of the hydraulic (ρ) section mode ^The double press belt device is thin • [Main component symbol description] 1 Endless belt 2 Thin plate material 3 Hydraulic plate 4 Hydraulic sealing frame 5 Hydraulic medium D Drum wheel Hydraulic X sheet material Direction of travel

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Claims (1)

1337104 X. Patent application scope: A L double-pressure belt device, which continuously feeds a plurality of thin plate materials into upper and lower sides: for the endless belts, the crimping device disposed in the inner side regions of the endless belts is used After the sheet material is thermocompression bonded through the endless belt, a laminated body is formed, which is characterized in that the endless belt is installed at 3 〇 (2% endurance system lli under rc condition) 〇N/mm2 or more . &lt; [2] The double pressure belt device of the invention of claim </ RTI> wherein the thermocompression bonding device is a hydraulic crimping device of a hydraulic mode or a rolling mode. Belt ===: The item of Shuangjing, where 'there is no end, wherein the endless 4. If the patent application range 1 or 2 double belt belt contains at least Qin. , 5 · - A four-layer body manufacturing method, so that fashion is in the coffee. (10) Look for the double-pressure belt of the endless belt with an endurance of 1100N/mm2 or more. 6. If the laminate is made of the application of the t__5 item; ^ The system is at least one of the heat-resistant polyimine film. Fallen flexible metal material rhyme a XI. Schema: 13