A preparation method and manufacturing equipment of a flip chip on film raw material

Abstract

The application discloses a kind of preparation method and manufacturing equipment of thin film of flip chip raw material, the processing pool is divided into plating pool and cleaning pool by partition, rotatable copper foil roll is installed on the left side of the upper end surface of the processing pool.This preparation method and manufacturing equipment of thin film of flip chip raw material, by forming nickel-chromium molecular layer on the surface of copper foil, then using physical method to make copper foil and POLYMIDE combine, get ideal COFTAPE manufacturing raw material, copper foil and POLYMIDE interface form perfect combination, avoid the stress between copper foil and POLYMIDE, this material can withstand higher current density, COFTAPE manufacturing line width enters below 8 microns, the characteristics of the present application is to form nickel-chromium compound molecular layer on the surface of copper foil quickly, and make POLIYMIDE and copper foil perfect combination, the present application solves the problem of stress-free combination between COFTAPE POLYMIDE and copper foil, improves the reliability of COFTAPE product, improves the integration of COFTAPE, improves the precision of COFTAPE manufacturing, improves the yield of COFTAPE manufacturing.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of chip on film, in particular to a preparation method and manufacturing equipment of chip on film raw material. BACKGROUND

[0002] Chip on film, also known as COF, is a chip soft film packaging technology for fixing integrated circuits (IC) on flexible circuit boards. When chip on film raw materials are produced and processed, copper foil and POLYMIDE need to be combined to realize product production and processing. However, the existing copper foil and POLYMIDE combination processing device still has some deficiencies in actual use.

[0003] Directly hot-pressing combining copper foil and POLYMIDE in the existing device can cause low combination stability of copper foil and POLYMIDE, and easy to fall off, thereby causing low production yield, and small product current density after production, which is difficult to meet the actual use requirement. SUMMARY

[0004] The present application aims to provide a preparation method and manufacturing equipment of chip on film raw material to solve the problem of low combination stability of copper foil and POLYMIDE, easy to fall off, thereby causing low production yield, and small product current density after production, which is difficult to meet the actual use requirement.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a preparation method of chip on film raw material, comprising the following steps:

[0006] S1: first, install and fix the copper foil roll and POLYMIND film roll to be processed, and connect and install according to the figure;

[0007] S2: the finished product can be wound by the winding roller, and the release of copper foil on the copper foil roll and POLYMIND film on the POLYMIND film roll can be provided with basic guarantee, and a layer of nickel-chromium layer can be electroplated on the surface of the copper foil in the nickel-chromium solution in the electroplating tank in the processing tank, which provides basic guarantee for subsequent processing;

[0008] S3: the copper foil after electroplating is cleaned by the cleaning roller, the cleaning mechanism can wipe the water stains remaining on the surface of the copper foil, and finally the drying mechanism can dry the copper foil to ensure the normal processing of the subsequent processing;

[0009] S4: the dried copper foil is matched with the POLYMIND film, the limiting mechanism is used to ensure the accuracy of the matching of the copper foil and the POLYMIND film, the deviation is avoided, and finally the hot-pressing roller is used for hot-pressing, the perfect combination of the copper foil and the POLYMIND film can be realized, and the edge trimming of the combined copper foil and POLYMIND film can be realized through the cooperation of the tensioning mechanism and the cutting mechanism, and the edge trimming is ensured to be neat.

[0010] S5: finally, the finished product is wound through the winding roller.

[0011] Preferably, the processing pool is divided into an electroplating pool and a cleaning pool by a partition plate, a rotatable copper foil roll is arranged on the left side of the upper end face of the processing pool, a scraper is connected to the bearing in the processing pool, a first guide roller is connected to the bearing on the upper end of the processing pool, a second guide roller is connected to the bearing in the processing pool, and a cleaning roller is also connected to the bearing in the processing pool.

[0012] An operation table is fixed on the right side of the processing pool, supporting legs are fixed on the lower end face of the operation table, a treatment box is also fixed on the operation table, the treatment box is connected to the processing pool through a reflux pipe, a rotatable POLYMIND film roll is arranged on the upper end of the treatment box, a cleaning mechanism is fixed on the left side in the treatment box, and a drying mechanism is fixed on the right side in the treatment box.

[0013] A limiting mechanism is arranged on the upper end face of the operation table, the limiting mechanism is arranged on the right side of the treatment box, a vertical plate is arranged on the right side of the limiting mechanism, the vertical plate is fixed on the upper end face of the operation table, and a hot-pressing roller driven by a motor is connected to the vertical plate.

[0014] A supporting table is arranged on the right side of the vertical plate, the supporting table is fixed on the operation table, a collection box is arranged between the supporting table and the operation table, tensioning mechanisms are fixed on the upper end face of the supporting table in a symmetrical manner, a cutting mechanism is connected to the middle position of the supporting table, a winding roller is arranged on the right side of the supporting table, the winding roller is connected to the operation table through a bearing, and the winding roller is driven by an external motor.

[0015] Preferably, a torsion spring is further connected between the scraper and the processing pool, the scraper and the copper foil constitute a sliding mechanism in contact, the torsion spring is used to realize the precise contact between the scraper and the copper foil, so that the water stains remaining on the surface of the copper foil can be scraped off.

[0016] Preferably, the cleaning mechanism is composed of a fixed plate, a mounting plate, a cleaning pad, a first spring and a vertical rod, the fixed plate is fixed in the processing box, the mounting plate is arranged on the side edge of the fixed plate, the cleaning pad is fixed on the mounting plate, the cleaning pad can slide in contact with the copper foil, one end of the first spring is fixed on the mounting plate, the other end of the first spring is fixed on the fixed plate, the vertical rod is fixed on the mounting plate in a front-rear symmetry mode and can slide up and down through the fixed plate, the above mechanism can realize the wiping effect on the copper foil, the first spring can provide a force for the cleaning pad, the wiping effect of the cleaning pad on the copper foil can be guaranteed, the cleaning effect on the copper foil can be realized, and the water stains on the surface of the copper foil can be removed for the second time.

[0017] Preferably, the drying mechanism is composed of a horizontal plate, a fan and a spray head, the horizontal plate is fixed in the processing box, the fan is fixed on the horizontal plate, the spray head is connected with the fan through a duct, and the spray head is fixed on the horizontal plate at equal intervals, the fan can supply air to the spray head, the drying effect on the copper foil can be realized, and the drying of the copper foil can be guaranteed, so that the subsequent processing of the copper foil can be normally carried out.

[0018] Preferably, the limiting mechanism is composed of a limiting roller, a baffle, a convex shaft and a first bolt, the limiting roller is bearing-connected to the operation table, the baffle is arranged on the outer side of the limiting roller, the limiting roller and the baffle can realize the limiting effect in contact with the copper foil, the convex shaft is fixed on the baffle and is slidingly connected to the limiting roller, and the limiting roller and the baffle can be locked through the first bolt, the above mechanism can realize the guiding and limiting of copper foils and POLYMIND films with different sizes, the accurate lamination of the copper foil and the POLYMIND film can be guaranteed, and the subsequent pressing of the copper foil and the POLYMIND film can be carried out.

[0019] Preferably, three groups of heat pressing rollers are installed on the vertical plates at equal intervals, the distance between the upper and lower two groups of vertical plates gradually decreases from left to right, a plurality of heat pressing rollers can guarantee the pressing effect of the copper foil and the POLYMIND film, the pressing with different intervals can reduce the large extension deformation of the copper foil and the POLYMIND film during pressing, the perfect combination of the POLIYMIDE and the copper foil can be guaranteed, and thus the product quality can be guaranteed.

[0020] Preferably, the tensioning mechanism is composed of a fixed frame, a movable frame, a roller, a sliding rod and a second spring, the fixed frame is fixed to the upper end face of the support table, the movable frame is arranged below the fixed frame, the roller is bearing-connected to the movable frame, the roller cooperates with the arc-shaped groove on the support table, the sliding rod is fixed to the movable frame and penetrates through the fixed frame to slide up and down, and the second spring is fixed between the movable frame and the fixed frame, the roller can realize the tensioning of the product on the upper end face of the support table, the flatness of the product can be guaranteed, and thus the basic guarantee for the edge cutting of the product can be provided.

[0021] Preferably, the cutting mechanism is composed of a movable block, a second bolt and a cutting knife, the movable block is slidingly connected to the support table, the movable block and the support table are locked by the second bolt, the cutting knife is fixedly arranged on the movable block and is in contact with the copper foil to cut the copper foil, and different width products can be cut by the cutting mechanism, so that the edges of the products are neat.

[0022] Compared with the prior art, the beneficial effects of the application are that: the preparation method and manufacturing equipment of the COFTAPE raw material, by forming a nickel-chromium molecular layer on the surface of the copper foil, then using a physical method to combine the copper foil with the POLYMIDE, obtaining an ideal COFTAPE manufacturing raw material, the copper foil and the POLYMIDE interface form a perfect combination, avoiding the stress between the copper foil and the POLYMIDE, this material can withstand higher current density, the COFTAPE manufacturing line width enters below 8 microns, the characteristics of the application is that the nickel-chromium compound molecular layer can be quickly formed on the surface of the copper foil, and the POLIYMIDE and the copper foil are perfectly combined, the application solves the problem of stress-free combination between the COFTAPE POLYMIDE and the copper foil, improves the reliability of the COFTAPE product, improves the integration of the COFTAPE, improves the manufacturing precision of the COFTAPE, and improves the manufacturing yield of the COFTAPE;

[0023] 1. The preparation method and manufacturing equipment of the COFTAPE raw material are provided with a scraper, when the copper foil is electroplated and cleaned, the water stains remaining on the surface of the copper foil can be scraped off by the action of the scraper and the torsional spring, and then the cleaned copper foil can be cleaned and dried again by the action of the fixed plate, the mounting plate, the wiping pad, the first spring and the vertical rod, so that the surface of the copper foil is clean, and finally the copper foil can be dried by the action of the fan and the nozzle, so that the subsequent processing can be carried out normally;

[0024] 2. The preparation method and manufacturing equipment of the COFTAPE raw material are provided with a roller, after the product hot pressing is completed, the product can be tensioned and flattened by the action of the fixed frame, the movable frame, the roller, the sliding rod and the second spring, so that the flatness of the product is ensured, and then the edges of the product can be cut by the action of the movable block, the second bolt and the cutting knife, so that the neatness of the edges of the product is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a working flowchart of the application;

[0026] Figure 2 It is a front view structure schematic diagram of the device as a whole;

[0027] Figure 3 It is a three-dimensional structure schematic diagram of the scraper;

[0028] Figure 4 It is the processing box front view cross section structure schematic view of the application;

[0029] Figure 5 It is the limit mechanism three-dimensional structure schematic view of the application;

[0030] Figure 6 It is the supporting table front view structure schematic view of the application;

[0031] Figure 7 It is the supporting table front view cross section structure schematic view of the application;

[0032] Figure 8 It is the cutting mechanism three-dimensional structure schematic view of the application.

[0033] In the figure: 1, processing pool; 2, copper foil roll; 3, scraper; 301, torsion spring; 4, first guide roller; 5, second guide roller; 6, cleaning roller; 7, operation table; 8, supporting leg; 9, processing box; 10, return pipe; 11, POLYMIND film roll; 12, cleaning mechanism; 1201, fixed plate; 1202, mounting plate; 1203, wiping pad; 1204, first spring; 1205, vertical rod; 13, drying mechanism; 1301, horizontal plate; 1302, fan; 1303, spray head; 14, limit mechanism; 1401, limit roller; 1402, baffle; 1403, convex shaft; 1404, first bolt; 15, vertical plate; 1501, hot pressing roller; 16, supporting table; 17, collecting box; 18, tensioning mechanism; 1801, fixed frame; 1802, movable frame; 1803, roller; 1804, slide rod; 1805, second spring; 19, cutting mechanism; 1901, movable block; 1902, second bolt; 1903, cutting knife; 20, winding roller. DETAILED DESCRIPTION

[0034] The technical solutions in the embodiments of the application will be clearly and completely described below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the application.

[0035] Please refer to Figures 1-8 The application provides a technical solution: a preparation method of a chip on film raw material, comprising the following steps:

[0036] S1: first, install and fix the copper foil roll 2 and the POLYMIND film roll 11 to be processed, and connect and install according to the figure.

[0037] S2: The winding roller 20 can be used to wind up the finished product and provide a basic guarantee for the release of copper foil on copper foil roll 2 and POLYMIND film on POLYMIND film roll 11. In addition, the nickel-chromium solution in the electroplating tank in the processing tank 1 can electroplat a nickel-chromium layer on the surface of the copper foil, providing a basic guarantee for subsequent processing.

[0038] S3: The electroplated copper foil is cleaned once by the cleaning roller 6. The cleaning mechanism 12 can wipe away the water stains on the surface of the copper foil. Finally, the drying mechanism 13 can dry the copper foil to ensure the normal progress of subsequent processing.

[0039] S4: After drying, the copper foil is combined with the POLYMIND film. The limiting mechanism ensures the accuracy of the combination between the copper foil and the POLYMIND film and avoids misalignment. Finally, the hot pressing roller 1501 is used for hot pressing to achieve a perfect combination between the copper foil and the POLYMIND film. In addition, with the help of the tensioning mechanism 18 and the cutting mechanism 19, the edges of the combined copper foil and POLYMIND film can be trimmed to ensure neat edges.

[0040] S5: Finally, the finished product is wound up using the take-up roller 20.

[0041] The processing tank 1 is divided into an electroplating tank and a cleaning tank by a partition. A rotatable copper foil roll 2 is installed on the left side of the upper end face of the processing tank 1. A scraper 3 is connected to the processing tank 1 by a bearing. A first guide roller 4 is connected to the upper end of the processing tank 1 by a bearing. A second guide roller 5 is connected to the processing tank 1 by a bearing. A cleaning roller 6 is also connected to the processing tank 1 by a bearing. A torsion spring 301 is also connected between the scraper 3 and the processing tank 1, and the scraper 3 and the copper foil are in contact to form a sliding mechanism.

[0042] During the processing, such as Figure 2 and Figure 3 As shown, first install and fix the entire device, and then power the device with an external power source. Next, place the copper foil roll 2 and the POLYMIND film roll 11 as shown. Figure 2The installation is carried out, and the finished product is wound by the winding roller 20. When the device is running, the copper foil roll 2 and the POLYMIND film roll 11 can be driven by the winding roller 20 to release the copper foil and the POLYMIND film. The first guide roller 4 and the second guide roller 5 can guide the copper foil roll 2 to move normally. At this time, the copper foil can be electroplated by the electroplating tank (the electroplating tank contains a nickel-chromium solution, and the electroplating of the copper foil is realized by the existing electroplating method. This is prior art, so it will not be described in detail). The electroplating of the copper foil can realize the electroplating of the copper foil, so that a layer of nickel-chromium layer is attached to the surface of the copper foil. The nickel-chromium layer can provide a basic guarantee for the stable combination of the copper foil and the POLYMIND film in the later period. The copper foil after electroplating moves to the right, and cooperates with the scraper 3 and the torsional spring 301 to scrape off the residual nickel-chromium solution on the surface of the copper foil. Finally, the copper foil can be cleaned by the cleaning roller 6. The copper foil after cleaning can realize the removal of water stains once by the scraper 3.

[0043] The operating table 7 is fixed on the right side of the processing tank 1. The lower end surface of the operating table 7 is fixed with a supporting leg 8. The operating table 7 is also fixed with a treatment box 9. The treatment box 9 is connected with the processing tank 1 through a reflux pipe 10. The upper end of the treatment box 9 is installed with a rotatable POLYMIND film roll 11. The left side of the treatment box 9 is fixed with a cleaning mechanism 12. The right side of the treatment box 9 is fixed with a drying mechanism 13. The cleaning mechanism 12 is composed of a fixed plate 1201, an installation plate 1202, a wiping pad 1203, a first spring 1204 and a vertical rod 1205. The fixed plate 1201 is fixed in the treatment box 9. The fixed plate 1201 is provided with the installation plate 1202 on the side edge. The wiping pad 1203 is fixed on the installation plate 1202. The wiping pad 1203 can slide in contact with the copper foil. One end of the first spring 1204 is fixed on the installation plate 1202. The other end of the first spring 1204 is fixed on the fixed plate 1201. The vertical rod 1205 is fixed on the installation plate 1202 in front and back symmetry. The vertical rod 1205 penetrates through the fixed plate 1201 and can slide up and down.

[0044] As Figure 2 and Figure 4As shown, the copper foil after water spot scraping enters the processing box 9, at this time the first spring 1204 provides force for the mounting plate 1202 and the wiping pad 1203, so that the wiping pad 1203 is in close contact with the copper foil, and through the action of the wiping pad 1203, the copper foil can be cleaned and dried twice, so as to ensure the cleanliness of the copper foil surface. The cleaned copper foil continues to move to the right, and cooperates with the action of the fan 1302 and the nozzle 1303, so that the nozzle 1303 blows high-speed airflow, thereby realizing the drying of the copper foil and ensuring the dryness of the processed copper foil surface.

[0045] The limiting mechanism 14 is installed on the upper end face of the operating table 7, the limiting mechanism 14 is arranged on the right side of the processing box 9, the limiting mechanism 14 is provided with a vertical plate 15 on the right side, the vertical plate 15 is fixed on the upper end face of the operating table 7, and the vertical plate 15 is connected with a hot press roller 1501 driven by a motor; the limiting mechanism 14 is composed of a limiting roller 1401, a baffle 1402, a convex shaft 1403 and a first bolt 1404, the limiting roller 1401 is bearing-connected to the operating table 7, the baffle 1402 is arranged on the outer side of the limiting roller 1401, and the limiting roller 1401 and the baffle 1402 are in contact with the copper foil to realize the limiting effect, the convex shaft 1403 is fixed on the baffle 1402, the convex shaft 1403 is slidingly connected to the limiting roller 1401, and the limiting roller 1401 and the baffle 1402 are locked through the first bolt 1404; the hot press roller 1501 is installed at intervals on the vertical plate 15, and the distance between the upper and lower two vertical plates 15 gradually decreases from left to right;

[0046] In the processing process, as shown in Figure 1 and Figure 5 , the dried copper foil and the POLYMIND film are in contact with the limiting roller 1401, and through the sliding action between the convex shaft 1403 and the limiting roller 1401, the position of the baffle 1402 can be adjusted until the baffle 1402 is in contact with the edge of the copper foil and the POLYMIND film, so as to ensure the accuracy of the cooperation position of the copper foil and the POLYMIND film. The copper foil and the POLYMIND film after cooperation are in contact with the hot press roller 1501, and through the multiple groups of variable pitch hot press rollers 1501, the hot pressing work of the copper foil and the POLYMIND film can be realized, so as to ensure the perfect combination of the copper foil and the POLYMIND film, and through the variable pitch hot press roller 1501, the deformation of the copper foil and the POLYMIND film during the pressing process due to excessive elongation can be avoided, and the pressing effect of the copper foil and the POLYMIND film is ensured;

[0047] A supporting table 16 is arranged on the right side of the vertical plate 15, the supporting table 16 is fixed on the operation table 7, the collecting box 17 is arranged between the supporting table 16 and the operation table 7, the tensioning mechanism 18 is fixed on the upper end face of the supporting table 16 in a left-right symmetrical mode, the cutting mechanism 19 is connected to the middle position of the supporting table 16, the winding roller 20 is arranged on the right side of the supporting table 16, the winding roller 20 is bearing connected on the operation table 7, and the winding roller 20 is driven by an external motor; the tensioning mechanism 18 is composed of the fixed frame 1801, the movable frame 1802, the roller shaft 1803, the sliding rod 1804 and the second spring 1805, the fixed frame 1801 is fixed on the upper end face of the supporting table 16, the movable frame 1802 is arranged below the fixed frame 1801, the roller shaft 1803 is bearing connected on the movable frame 1802, the movable frame 1802 is cooperated with the arc-shaped groove on the upper end face of the supporting table 16, the sliding rod 1804 is fixed on the movable frame 1802 and penetrates through the fixed frame 1801 and can slide up and down, and the second spring 1805 is fixed between the movable frame 1802 and the fixed frame 1801; the cutting mechanism 19 is composed of the movable block 1901, the second bolt 1902 and the cutting knife 1903, the movable block 1901 is slidingly connected on the supporting table 16, the movable block 1901 and the supporting table 16 can be locked by the second bolt 1902, and the cutting knife 1903 is fixed on the movable block 1901 and is in contact with the copper foil to realize the cutting function;

[0048] In the processing process, as shown in Figure 1 、 Figure 6 and Figure 7 , the movable frame 1802 and the roller shaft 1803 are provided with the force by the second spring 1805, the roller shaft 1803 is closely combined with the product, the product in contact with the roller shaft 1803 is deformed by cooperating with the arc-shaped groove structure on the upper end face of the supporting table 16, the product above the supporting table 16 is provided with the tension, the flatness of the product above the supporting table 16 is ensured, the product is not bent during the cutting, the product moves from left to right on the supporting table 16, the position of the cutting knife 1903 is adjusted according to the actual needs by the sliding action between the movable block 1901 and the supporting table 16, the product edge is cut by the cutting knife 1903, the neatness of the edge is ensured, the cutting edge is collected in the collecting box 17, the waste is avoided, and finally the product is wound by the winding roller 20, which is the working principle of the preparation method and the manufacturing equipment of the die attach film raw material.

[0049] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An apparatus for manufacturing a flip chip on film raw material, comprising a processing bath (1), characterized in that: The processing pool (1) is divided into electroplating pool and cleaning pool by partition, rotatable copper foil roll (2) is installed on left side of upper end surface of the processing pool (1), the scraping plate (3) is connected with bearing in the processing pool (1), the first guide roller (4) is connected with bearing on the upper end of the processing pool (1), the second guide roller (5) is connected with bearing in the processing pool (1), the cleaning roller (6) is also connected with bearing in the processing pool (1); The operating platform (7) is fixed on the right side of the processing pool (1), the supporting legs (8) for supporting are fixed on the lower end surface of the operating platform (7), the processing box (9) is also fixed on the operating platform (7), the processing box (9) is connected with the processing pool (1) through the reflux pipe (10), the rotatable POLYMIND film roll (11) is installed on the upper end of the processing box (9), the cleaning mechanism (12) is fixed on the left side in the processing box (9), the drying mechanism (13) is fixed on the right side in the processing box (9); The limiting mechanism (14) is installed on the upper end surface of the operating platform (7), the limiting mechanism (14) is arranged on the right side of the processing box (9), the vertical plate (15) is arranged on the right side of the limiting mechanism (14), the vertical plate (15) is fixed on the upper end surface of the operating platform (7), the hot pressing roller (1501) driven by motor is connected on the vertical plate (15); The supporting table (16) is arranged on the right side of the vertical plate (15), the supporting table (16) is fixed on the operating platform (7), the collecting box (17) is placed between the supporting table (16) and the operating platform (7), the tensioning mechanism (18) is fixed on the upper end surface of the supporting table (16) symmetrically, the cutting mechanism (19) is connected at the middle position of the supporting table (16), the winding roller (20) is arranged on the right side of the supporting table (16), the winding roller (20) is connected with bearing on the operating platform (7), the winding roller (20) is driven by external motor, the tensioning mechanism (18) is composed of fixed frame (1801), movable frame (1802), roller (1803), sliding rod (1804) and second spring (1805), the fixed frame (1801) is fixed on the upper end surface of the supporting table (16), the movable frame (1802) is arranged below the fixed frame (1801), the roller (1803) is connected with bearing on the movable frame (1802), the movable frame (1802) and the fixed frame (1801) are matched with each other through the arc-shaped groove on the supporting table (16), the sliding rod (1804) is fixed on the movable frame (1802), the sliding rod (1804) can slide up and down through the fixed frame (1801), the second spring (1805) is also fixed between the movable frame (1802) and the fixed frame (1801).

2. The manufacturing apparatus for a chip on film raw material according to claim 1, characterized by: The torsion spring (301) is also connected between the scraping plate (3) and the processing pool (1), and the scraping plate (3) and the copper foil constitute sliding mechanism.

3. The manufacturing apparatus for a chip on film raw material according to claim 1, characterized by: The cleaning mechanism (12) is composed of a fixing plate (1201), a mounting plate (1202), a cleaning pad (1203), a first spring (1204) and a vertical rod (1205), the fixing plate (1201) is fixed in the processing box (9), the mounting plate (1202) is arranged on the side of the fixing plate (1201), the cleaning pad (1203) is fixed on the mounting plate (1202), the cleaning pad (1203) can slide in contact with the copper foil, one end of the first spring (1204) is fixed on the mounting plate (1202), the other end of the first spring (1204) is fixed on the fixing plate (1201), the vertical rod (1205) is symmetrically fixed on the mounting plate (1202) and can slide up and down through the fixing plate (1201).

4. The manufacturing apparatus for a chip on film raw material according to claim 1, characterized by: The drying mechanism (13) is composed of a horizontal plate (1301), a fan (1302) and a spray head (1303), the horizontal plate (1301) is fixed in the processing box (9), the fan (1302) is fixed on the horizontal plate (1301), the fan (1302) is connected with the spray head (1303) through a pipeline, and the spray head (1303) is fixed on the horizontal plate (1301) at equal intervals.

5. The manufacturing apparatus for a chip on film raw material according to claim 1, characterized by: The limiting mechanism (14) is composed of a limiting roller (1401), a baffle (1402), a convex shaft (1403) and a first bolt (1404), the limiting roller (1401) is bearing-connected to the operation table (7), the baffle (1402) is arranged on the outer side of the limiting roller (1401), the limiting roller (1401) and the baffle (1402) can realize the limiting action in contact with the copper foil, the convex shaft (1403) is fixed on the baffle (1402) and is slidingly connected to the limiting roller (1401), and the limiting roller (1401) and the baffle (1402) can be locked through the first bolt (1404).

6. The manufacturing apparatus for a chip on film raw material according to claim 1, wherein: Three groups of heat pressing rollers (1501) are installed on the vertical plates (15) at equal intervals, and the distance between the upper and lower two groups of vertical plates (15) gradually decreases from left to right.

7. The manufacturing apparatus for a chip on film raw material according to claim 1, characterized by: The cutting mechanism (19) is composed of a movable block (1901), a second bolt (1902) and a cutting knife (1903), the movable block (1901) is slidingly connected to the supporting table (16), the movable block (1901) and the supporting table (16) can be locked through the second bolt (1902), the cutting knife (1903) is obliquely fixed on the movable block (1901), and the cutting knife (1903) can realize the cutting action in contact with the copper foil.

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