TWI307614B - Method for manufacturing flexible printed circuit board - Google Patents

Description

1307614 * Nine, the invention description: [Technical field of the invention] The thin H-month is a method for manufacturing a flexible printed circuit board, and is more detailed in the manufacturing method of the flexible printed circuit board described below: using the setting, dream ^ The sensing and tracking of the sensing guide hole can be used to accurately match the position of the pattern, the cover film and the adhesive sheet of the cover sheet, or the punching position, etc., and the copper box laminated film can be fully utilized. ΐ Width is limited to a small width, parallel light is used for exposure, and _ (Fine patf chrome-patterned glass reticle to ensure fine pattern product m) 'reduces error rate, ensures reliability, and can be achieved Reduce the number of layers of flexible printed circuit boards. ^Normal / Flexible Printed Circuit Board (FlexiblePrintedCircuit Poly 3 Core Element 5 is used to make PI臈(P〇lyImideFilm, (CCJ. f Λ film)) copper foil laminated film pen 7 with Cu film coated on it"Tre^cladLaminate ) Patterning, used for carrying terminals: f package, camera and other main circuit boards and LCD (Li^idc ^splay, liquid crystal display) modules are connected to each other, especially i τν «mpj ϊ; ' ^ quantity The geometrical series is increased, so the necessity of the bulk circuit board is relatively increased. 丨Deng j system: iff is used in the manufacture of a plurality of layers of flexible printed circuit boards, using the p-type system to make a piece of copper-thick laminated film After the patterning, the method of production or production is carried out. The pattern of the film is submerged. However, the flexible printed circuit produced by using a single piece of copper foil laminated film 7 i 1307614 The manufacturing method of the board is not productive. The problem is that the manufacturing method of the tape-and-reel flexible circuit board can automate the process, but can improve the productivity, but cannot meet the requirements of the product's sinfulness and integrated efficiency. [The problem to be solved by the invention] The present invention is Used to solve the above shortcomings The object of the present invention is to provide a method for manufacturing a flexible printed circuit board which tracks the correct position by sensing the position sensing hole, thereby subtly making the patterned position, the covering film and the cover sheet The adhesive position, the through hole position or the punching position are combined, and it is expected that the flexible printed circuit board can be mass-produced by the tape winding method, and the lateral width of the copper foil constituting the copper foil laminated film can be reduced, and the light is made when exposed. Make full use of the glass mask with the chrome metal pattern, and the Fine Pattern can be used to reduce the error rate and ensure the reliability. ▲ The integrated film can be realized, thus reducing the soft printed circuit board.

In order to achieve the above object, the technical method of the manufacture of the flexible printed circuit board of the present invention is characterized in that it comprises: a guide hole for providing a positional feeling 1 in a tape-and-reel type; The laminated film of the intermediate copper foil and the laminated film of the second intermediate copper are patterned according to the unit type, and are simultaneously wound and fed to the second intermediate film and the second intermediate film. Preparing the steps of the i-th intermediate FPCB and 1 respectively; providing the above-mentioned i-th intermediate FpcB and the second middle-f FPCB in the tape-and-reel type and respectively providing the upper and lower portions of the tape to the upper and lower portions thereof to sense the hole ± The laminated film of the first peripheral copper foil and the second peripheral ΐππ "partially adhered to form a hole, and then a copper plating step; a laminated film according to the unit and the second peripheral copper case = pattern? After ', according to the early category, respectively, the outer cover sheet with the open area (3) Α) and the second peripheral cover sheet, the completion and the second peripheral step; in the above-mentioned ith peripheral Fpc divination And = 1 1307614 < J * 2 peripheral FPCB pattern end part of the connector plating, complete the connector = sub-step; and based on the above-mentioned position sensing guide hole, according to the unit type punching, making soft The steps of the printed circuit board. The above-described object of the present invention is to provide a laminate of a first intermediate copper foil provided with a position sensing guide hole in a roll-to-spray type. And the laminated film of the second intermediate copper foil, and according to the unit type, (5), the tape is supplied with the $1 intermediate cover film and the second intermediate back film, and the i-th intermediate step is prepared; Providing the first intermediate $2 in the tape-and-reel type, and superimposing them on the laminated film of the first peripheral copper-clad which is supplied to the first measurement guide hole by a tape winding type, At the same time, according to the unit type, the part is made up of two or two through holes, and then the step of applying the copper is carried out; according to the unit type, the laminated film of the copper box and the second layer are made.

^ After patterning, the tape is provided with T;® FPCB ^ 1 ^ ρΪοβ IT; • Substep = ^ Connector end class =, making soft quasi 'according to the single as described above' ...^ ^ ^ ^ The sensing hole is sensed to track the correct position, the position of the position sensor, the cover film/covering sheet is adhered to the surface, and the patterning is matched, not only through the tape but also Go, f hole position or punching position plate, can also greatly increase the lateral width of the soft-printed circuit steel box produced by the W-mode large-scale W2 method: two lines of light, while making full use of the end of the total = sub-exposure When using a glass reticle with a chrome-like pattern, 9 1307614 can guarantee the delicateness of the pattern (guarantee the FinePatter error rate, the marriage can be green, 14 ^) IJ day inch minus J wrong and the number of layers ' (, can: The heart t) is more illusory, and the f-characteristics of the plate (the more the number of layers, the more the curve is. [Embodiment] Hereinafter, with reference to the drawings, the preferred embodiment of the present invention is disclosed. , features, advantages, etc. can be more easily understood. Figure la and Figure lb show the present invention. 1 Flow chart of a method for manufacturing an isolated printed circuit board. The method for manufacturing a flexible printed circuit board of the present invention is as follows; "ti; (Reel T〇Reel } PI ^ ( P〇1^^ e laminated film of a copper box c plated with a copper box (Cu film) C (C-field Chopper Laminate) H) (S11), and a positional feeling is provided at the edge portion of the length direction of the copper drop film 10 Measuring guide hole h (bl2) 〇 position sensing guiding hole Η is a system of the flexible printed circuit board of the present invention, one of the core mechanisms used in the method, for example, after emitting laser light, counting the number of transmission, counting With respect to the supply direction of the copper foil laminated film 1 ,, the entry position can accurately grasp the patterning position to be described later, the adhesion position of the cover sheet 21 / the cover film 22, the position of the through hole ν, the punching position, and the like. The position sensing guide hole 规则 is regularly supplied to any portion of the longitudinal direction edge portion of the laminated film 1 of the copper foil C, as shown in FIG. amp & and FIG. ib 'not only as a transfer hole (Spr〇cketH) 〇le) Configuration, or as needed, when making laminated film 1 of copper foil C First, if the laminated film 10 of the copper foil C is provided in a tape reel type (Reel To Reel) and provided with a position sensing guide hole Η, the position sensing guide hole Η is sensed. Grasp the correct position and make the copper foil 匸 4 1307614 according to the unit type; « The glass reticle is compared with the film reticle

Ϊ Ϊ i ί : 1 guarantees the ingenuity (guarantee F — tern ),; the wide production limit is due to the copper foil C shirt that will be used for the purpose of integration, etc. I will be followed by: 2:, provided with chrome metal The glass bending characteristics of the pattern (the number of layers is ίί, so not only the reduction of the current material is more excellent, but also the effective effect of the above-mentioned eve type. ► And the pattern made by the patterning process? Perform insulation, ίί; square, Γ Scratch 'f is provided according to the unit type with an open area (two part of the connector shovel fsf5ttCT, at the end of the pattern p hI, 隹1 fr pill plating c S15) ' after the position sensing guide hole two soil Quasi-cutting according to the category of soaps (6), dreams of this can be used as a printed circuit board 3〇. The hunting of the soft-road m21 system shows the soft printing road board of the second embodiment. Flow chart of the manufacturing method. | 刺, as shown in the figure ϊ 软 软 软 软 软 软 软 软 λ λ λ λ λ λ λ λ λ λ λ λ λ λ λ λ 考虑 考虑 考虑 考虑 考虑 考虑 考虑 考虑 考虑 考虑 考虑 考虑 考虑 考虑 考虑 考虑 考虑 考虑 考虑 考虑 考虑 考虑 考虑: It can also be touched in the middle of the first (five) FP_ and the second middle Λ And the 4th middle biliary, etc., soft 3 2: the folding part of the second port/terminal machine, that is, the hinge part is soft and the necessity of compact integration is more important, because it can reduce n /, body. In the soft printed circuit board according to the second embodiment of the present invention, Ϊ307614 j ϊΐΤΐ: The copper type is provided with a position sensing guide hole "β, ^ Α 9 曰 曰 film 41 and a second intermediate copper foil c stack ϊ 2, / In the early category, the films are patterned and simultaneously rolled

1 "曰"_ and the first fpS FPclll Λ 1 ^ FPCB61 ^ F.1 /, heavy, and separately provided in the upper and lower parts of the first peripheral copper box c with C 2 leads 4 holes H The laminated film 71 and the laminated film 72 of the second layer are simultaneously made of a copper ore according to the unit type, and the ore may be subjected to copper ore (only the through hole ν may be partially smashed or copper, or the through hole ν may be simultaneously The first peripheral copper box is a laminated film 72 of the acoustic film 71 and the second peripheral copper foil c

The copper ore is usually electrolyzed with copper after electroless copper ore, and U 2 is connected to the inside of the through hole V. First, electroless copper plating is performed, followed by electrolytic copper plating (S32). The manufacturing method of the flexible printed circuit board in the embodiment can also be used to enter the first intermediate body 61 and the second intermediate FPCB 62 by sensing the tracking position of the steering hole 感. The peripheral FP_ and the second outer passing position sensing hole H are sensed, and S is electrically connected, and can be laminated with a copper porcine by a laser, an NC drill or a ΐC: f The main material is copper to a neighbor, j, s depending on the situation, can also be completed for other materials, can be only copper two through hole V for copper plating, or can also include the second through the hole V, the stack of C The entire copper foil C of the laminated film 72 of the layer film 71 and the second peripheral copper foil C is made of copper. Further, the layer film 72 is first placed adjacent to the first intermediate FPCB 61 and the second intermediate FpCB 62, and the laminated film 71 of the five C sheets and the laminated layer of the second peripheral copper foil c 13 1307614 *. The portion of the film 72 causes position sensing With the guide hole η, the blade connector terminal α is partially passed through the adhesive (for example, the portion other than the terminal α is placed next to each other = 1 = H, and the connector is soft. After this can be broken, The copper undulation of the laminated film 72 of the second peripheral surface and the second peripheral copper case C according to the unit type is covered with an open area according to the unit type ((4) after the wooding of the cover sheet 81 and the second peripheral cover sheet 82) , the completion of the fourth circumference, and the second peripheral FPCB 92 (S33)' at the end of the second peripheral FPCB 91 ► the second peripheral surface 2 pattern P and after the completion of the connector terminal CT (S34), The position sensing 丄 reference is punched according to the unit type, so that the 6th and the second Η can be used as the brush circuit board 100 (S35). The wrong position is used to make the position sensing guide The hole was tested by salt, and the sputum was suppressed by 2 ^ ^ MC . 4 ^ 72 „ ^; C ^ ^ ; * one (〇A) piece covered piece 1 The peripheral cover sheet 81 completes and insulates the first peripheral FPCB 91 and the second peripheral portion by the f-th sheet 82', and at the same time, to prevent external scratching, and the end portion of the pattern P of the second peripheral FPCB 92 is Ϊ i-end ΐ; electroplating, when the connection to the main circuit board and the LCD module is also completed, the connector plating can be performed by Au, Sn, Ag or SnPb, and connected to the main circuit board and the lcd module. A method of manufacturing a flexible printed circuit board according to a third embodiment of the present invention is shown in Fig. 3e#. Fig. 3 is a diagram showing a method of manufacturing a flexible printed circuit board according to a third embodiment of the present invention. As shown in Fig. 3a to Fig. 3c, the laminated film 4 of the first intermediate copper foil c and the second intermediate copper C are provided in the tape-reel type, respectively. And patterning the film according to the unit type, and simultaneously feeding and winding the second intermediate cover sheet 51 and the second intermediate cover sheet 52 in a tape form, and preparing the first intermediate FPCB 61 and the second intermediate FPCB 62 (S41), respectively. 'Trouble the second intermediate FpCM1 And the second intermediate FPCB 62 is overlapped, and the stack of the acoustic film 71 and the second peripheral copper foil C of the i-th peripheral copper foil c provided with the position sensing guide hole H in the upper and lower portions thereof are respectively wound and wound. The layer film 72 is simultaneously adhered to the via hole v according to the unit type, and then copper plating is performed (S42). Then, the laminated film of the second peripheral copper foil c according to the unit type and the second and peripheral copper foil C are used. After the copper foil c of the laminate 72 is patterned, the first outer cover film 83 and the second outer cover film 84 are provided in a tape-wound manner to complete the first! The peripheral FpcB91 is rsBi2 (psi3i!:;*1 ^ fpcb91 2 ^ ^ , and the figure P is 螭. Some of the connectors are plated, and the connector terminal (S44) is used, and the position sensing hole H is used as the reference. According to the line punching, it is possible to finally complete the inclusion of the 葙I 另 另 〇〇 〇〇 (S45). 70 匕 匕 3 稷 之 之 软 & & & & 以上 以上 以上 以上 以上 以上 以上 以上 以上 以上 以上 以上 以上 以上 以上 以上 以上 以上 以上 以上 以上 以上The core technology of the invention lies in: using the tape winding method 'and = tracking the correct position with the sensing of the guiding hole, such as: the sensing device, the cover film and the adhesive film positioning position of the cover sheet, etc. To improve productivity and reliability, and to limit the lateral width of copper pigs with a film thickness of 4〇~18: Parallel light, and make full use of the chrome metal pattern ^Use the fine pattern (1)ne Pattern), reduce the glass protection J Can be: now integrated so that 'relatively reduce the number of soft impressions; other changes in the process and composition can be understood as a variety of defects: 4 • 4 1307614 For example, the illustration of the copper foil given a row of Figure 3 3 "rows At the same time the situation of the process of patterning) 2 ί disabilities: and "and" - at the same time ", etc. only that - explain the operation of the girth of the columns also won this subject. The hall has a shape and is patented. [Simplified description of the drawings] Fig. 1a and Fig. 1b show a flow chart of a method of manufacturing the first brush circuit board of the present invention. The soft print of the anger of the moon brother

Fig. 2a to Fig. 2c are flowcharts showing a method of manufacturing the second circuit board of the present invention. Soft printing of the melon 4 Fig. 3a to Fig. 3c are flowcharts showing the manufacturing method of the circuit board of the present invention. The third embodiment of the invention is shown in Figure 4, which is a flow chart showing the patterning process applicable to the method of the present invention. Manufacturing of the board [Description of main components] 10 Copper foil laminated film 21 Covering sheet 22 Covering film 30 Flexible printed circuit board 41 First intermediate copper foil laminated film 42 Second intermediate copper foil laminated film 51 First intermediate film 52 second intermediate film

61 1st intermediate FPCB

62 2nd intermediate FPCB 71 1st peripheral copper foil laminated film 72 2nd peripheral copper foil laminated film 81 1st peripheral cover sheet 82 2nd peripheral cover sheet 16 1507614 4 83 1st peripheral cover film 84 2nd outer cover film

91 1st peripheral FPCB

92 2nd Peripheral FPCB 10 0 Flexible Printed Circuit Board C Copper Book CT Connector Terminal Η Positioning Guide Hole Μ Photo Mask Ρ Pattern ® PR Dry Film V Through Hole

Claims (1)

1307614 4 * X. Patent application scope: 1. A method for manufacturing a flexible printed circuit board, characterized in that it comprises: ^ 别 = tape-and-reel type providing a first intermediate copper f with a guide hole for position sensing The laminated film of the film and the second intermediate copper foil is patterned according to the unit 3, and the second intermediate film and the second intermediate film are wound and wound in a tape-wound type, and the first film is prepared. The intermediate FPCB and the second intermediate FPCB are provided; and the first intermediate FPCB and the second intermediate FPCB are provided in a roll, and the second intermediate FPCB, S 2 f: Zhefen; the tape is supplied to the upper and lower portions thereof for position sensing. The laminated film of the first peripheral copper foil of the V-direction hole and the second portion are simultaneously adhered and formed according to the unit type; the step of applying the copper to the rear; the periphery = the lamination of the above-mentioned 'peripheral copper pig After the film and the second = copper smelting, the steps of the first peripheral FPCB and the second peripheral FPCB are completed according to the unit type, the first peripheral cover sheet and the second peripheral cover of the 5 field (〇Α). Performing and patterning the end of the 2nd peripheral FPCB The step of the connector terminal; the step of manufacturing the flexible printed circuit board according to the unit type based on the 'punching and smearing the measuring guide hole'. The method includes: 2. A method for manufacturing a flexible printed circuit board, characterized in that The door 钿J, the tape-and-belt type provides the ith middle 曰, the 5 4 thick film and the 2nd intermediate gong of the sound hole film for the position sensing guide hole, and the class of the film ± layer film sub-according to the early FPCB two ο: film coating 'the steps of preparing the first intermediate and the second intermediate FPCB respectively; the armor is provided with the above-mentioned second intermediate FpcB and the second intermediate B 18 1307614 a manufacturing method in which a photomask is placed on the above-mentioned dry film for exposure (b), and a parallel printed light is used. The method for manufacturing a flexible printed circuit board according to claim 5, wherein the patterning is performed. According to the unit type, it is implemented according to the sensing of the above-mentioned position sensing guide hole. 9^^" The range of the soft printed circuit board described in the 142th category, the above-mentioned connector plating and punching according to the unit type, in accordance with And said position sensing embodiment of a sensing guide hole. The method of the flexible printed circuit board according to the above aspect, wherein the copper box has a width of 40 to 180 fflm. 20