• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The invention can be used in the field of electronics. A device for manufacturing, for example, printed circuit boards, contains mechanisms 1-4 for feeding tapes 5, 5, 6, b glass fibers, a two-belt press 7, having feed drums 8-13, installed so that they form two right-angled triangles with tensioned endless ribbons (BL) 14, 15, committing 4. CO WITH 00 05 from 05 cm phage. /
    公开号:SU1438636A3
    申请号:SU864027358
    申请日:1986-04-28
    公开日:1988-11-15
    发明作者:Хельд Курт
    申请人:Курт Хельд (DE)；
    IPC主号:
    专利说明:

    movement in the same plane towards each other. Under the horizontal leg of each right-angled triangle there is a bath 18 (18), which is littered with non-electrolyte 19 galvanic copper deposition. The cathode assembly is made IB in the form of a metal plate 21 located above the inner surface of BL 14, 15 against baths 18, 1B | with the formation of a cavity for liquid metal 22 such as mercury. The anode in the form of a metal plate 20 is placed in the bath 18 (18). First, the process of galvanic deposition of copper film 24 on BL occurs, then the connection of copper film 24 with tape 5, on which tapes 5, 6, are then successively baled in press chambers 26, 27. The device provides high quality of the obtained multilayer product. 1 hp f-ly, 2 ill.
    one
     The invention relates to equipment for the manufacture of multilayer products, in particular printed circuit boards. I The purpose of the invention is to improve the quality of products.
    i Figure 1 - device, general view; 2 - a device with a modified input and output of a double-band press- Ica, general view.
    : A device for the manufacture of printed circuit boards contains a base (not shown; 1 zano) on which the mechanisms 1-4 feed the tapes 5,6 5, 6 of laminated material (glass fiber) double-sided tape press 7, which has six feed drums 18- 13, three drums 8, 9 and 10 are set- | Lena in such a way that they form an I-rectangular triangle. The right angle is located at the supply drum 8. At these three supply drums of tension, there is an infinite belt 14 of a double-belt press made of high tensile strength steel. Such an arrangement; the mirror is repeated along the line A-A along the vertical (relative to the base) leg of the triangle, and it consists of feed drums 11, 12, 13 and tape 15. The tapes 14 and 15 are tensioned by means of hydraulic cylinders 16 and 17 mounted on the feed reels 10 and 12.
    The feed drums rotate in accordance with FIG. 1 arrows, so the endless ribbons move in the direction of the arrows. Under the horizontal leg of the rectangular triangle, a bath 18 is installed, located along the belt under its
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    the outer surface tensioned between the drums 8 and 9. The bath 18 is filled with electrolyte 19 consisting of a copper sulphate solution. At the same time, the bath 18 is filled so that the outside; On the surface of the tape 14 it is covered with electrolyte 19, i.e. at the level of electrolyte.
    The plate 20 is located 18, located opposite at the required distance from the outer surface of the tape immersed in the bath 18. The plate 20 has the same width with the tape 14 and a length that corresponds to the minimum distance between the two peripheral points of the drums 8 and 9. Above the inner surface is endless tape 14 opposite the plate 20 is a plate 21, having the same dimensions with the plate 20. The plate 21 is located at a smaller distance from the tape 14 to form a cavity in which the liquid metal 22, such as mercury, is located.
    The edges of the plate 21 are provided with lamellar seals 23 adjacent to the inner surface of the tape, preventing the outflow of metal from this cavity.
    i Plates 20 and 21 are made of lead. The plate 20 located in the bath 18 is connected by a conductor with a sufficiently large cross section to the positive pole of the constant voltage source; therefore, it acts as an anode. Mounted on the inner surface of the tape. The plate 21 is connected to the negative pole of the same constant source.
    the voltage, therefore, that portion of the tape 14, which moves along the plate 21 and the liquid metal 22 consisting of mercury, has electrical contact with the plate 21, acts as a cathode. By the well-known galvanic principle, copper atoms from electrolyte 19 in bath 18 are deposited on the anode opposite the surface of the tape 14 acting as the cathode. As the tape 14 continuously moves in the direction of the arrow, the thickness of the copper layer on the surface of the tape increases during passage through the bath 18 and reaches its maximum value at the feed drum 9 as it exits the bath 18. According to the invention, the copper film 24 is directly transported on the tape endless tape in the direction of the reaction zone 25 double-sided belt press.
    The determination of the parameters of a source of direct voltage, usually represented by a mains transformer with a connected rectifier, is carried out according to the known laws of electrolysis. To deposit a uniform layer of copper, the temperature of the electrolyte in bath 18 is constantly monitored with a thermometer probe installed in the bath and kept constant by supplying the electrolyte heated to the appropriate temperature. By applying fresh electrolyte, the consumed electrolyte is replaced at the same time, since due to the deposition of copper ions on the surface of the tape, their concentration decreases accordingly. Thereby, both the temperature and the concentration of the electrolyte remain constant throughout the entire precipitation time. Since, due to the plate-like design of the anode and cathode, the current density in the electrolytic bath is kept constant, it is possible to carry out the deposition of a uniform thickness of a uniform layer of copper on the surface of the tape 14, which meets the high quality requirements of the electrolytes.
    To automatically maintain a constant concentration of copper ions in the electrolyte, it is possible to make a plate 20, representing the anode, from copper, and use an acidic solution as a liquid electrolyte.
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    copper sulfate. During electrolysis, as much copper ions pass from the anode into the solution as copper ions transfer from the electrolyte to the surface of the tape and deposited on it. In this case, the anode is consumed and it needs to be replaced with a new copper plate from time to time.
    Dp of the most possible loss reduction, it is necessary that the conductors supplying current to the anode and cathode have as little resistance as possible. For this purpose, conductors made of a material with a small electrical resistance, for example copper, are used, with a correspondingly large cross-section of pa FIGD1 not shown).
    The branches of the endless belts 14 and 15 of the press form two extrusion chambers 26 and 27 with pressure plates 28 and 29. The plate 28 with seals 30 forms a space 31. The device includes rollers 32, a hydraulic cylinder 33 made by electrolyte 34, is wound by rollers 35 on coil 36.
    The device works as follows.
    The tape 14, which is plated on its surface by electroplating copper film 24, moves at an even speed, at the feed drum 9 leaves the electrolytic bath 18. With the tape 14, the copper film 24 is transported further to the feed drum 10. In this area between the two drums 9 and 10 carry out the treatment on the surface in this case to better adhere the copper film to the core layer. Such treatment may be, for example, etching the surface of a copper film or precipitating the formation of cone-like growths of brass substrates on the surface of a copper film opposite the ribbon.
    On the drum 10, the copper film 24 adjacent to the belt 14 is rotated so that it begins to move in the reaction zone 25 of the bilateral belt press 7. Together with the copper film, fiberglass bands 5, 6, 5, 6 impregnated with epoxy resin are introduced into the reaction zone 25. These glass-fiber strips form the core of the electrolaminate and are continuously wound from mechanisms 1-4 located near drums 10 and 12. In this example of execution, the core of electrolaminate is formed by four layers of glass fiber strips | on. But more or less fiberglass bands can be used depending on the required thickness and stability of the laminate. If feasible, all mechanisms of feed strips can be found near drums | 10 or 12, or the distribution of fiberglass stripe feeding mechanisms for individual drums can be made depending on availability.
    If the electrolaminate needs to be coated with a copper film on both sides.
    then in the second half of the press in the chamber 15 movably the rollers 32. With the help of hydro | 27, formed by feed drums 11, 12 and 13 and tape 15, at the bottom part along the drums 11 and 12 also set the bath 18. Similarly
    cylinder 33 pressure plate 29 and thereby the rollers 32 are pressed against the inner surface of the belt 15. The press frame (not shown) nose-.
    ; Bath 18 The bath 18 contains a liquid electrolyte receiving reaction forces from a 19 and anode plate 20. On the inside of the material on which both the pressure plates 28,29 and both chambers 26 and 27 are mounted.
    At the same time, the side of the tape 15 opposite the anode is the cathode plate 21, where the current is supplied through the liquid mercury so that copper tape 37 is deposited on the tape 15. Copper film 15 with tape 15 is transported to the drum 12 and it is turned into reaction zone 25 in it. With one-sided deposition of a copper film on the electric laminate, it can be deposited.
    as described in chamber 27, and not in burning copper films 24, 37 in a single chamber 26. A solid solid element, so-called
    In the reaction zone 25 on the tape 14 is electrolaminate. If necessary, the Z with the copper film 24, to the opposite 35 At the reaction can be divided into a zone of a tape 14 of the surface of which is adjacent heating, which starts at the entrance
    in a double-sided belt press at bar ™ bans 10 and 12, and a cooling zone that ends at the exit of the bar impregnated fiberglass strip 5 On this strip of fiberglass 5, the remaining fiberglass trays 6, 5 and 6 are sequentially layered. If the electrolamine coating is one-sided, then the second surface of the strip 5 is adjacent to the tape 15. In FIG. 1 show- | 3an electrolaminate coated with two iCTOpoHs so that strip 5 is adjacent to the surface of the copper film 37. With the second surface, the copper film 37 adjoins, as described, to the tape 15. If the surface treatment is done to improve the adhesion of the copper film to fiberglass rod, the treated surface is adjacent to the corresponding strip of fiberglass 5 and 3.
    40 bans 8 and 11. In this way, the strip of material after solidification of the resin can be cooled under pressure, which further improves the quality of the electrolamine.
    At the exit of the double-sided ribbon-.
    At the 45th press of the drums 8 and 11, the belts 14 and 15 clearly change the direction of movement and enter the electrolytic baths 18 and 28, where they are again covered with a copper film. In this case, the hole of the first electrolaminate, whose surface consists of copper films 24 and 37, is separated from the tapes 14 and 15. As a rule, this separation occurs without
    difficulties, since copper deposited electrolytically on the strips of the material in the reaction zone 25 of the stainless steel profiled electrolytically on the tapes according to the description gg, this pressure is applied to the surface of the tapes and, led by plates 28, 29 hydraulically, in particular, it does not interlock with this water mechanically on the inner sides of the top.
    14 tapes, i.e. on the side opposite to the copper film 24, 37 and from them are transferred to the Yaterial strip. In the hydraulic transfer of pressure into the space 31, bounded by the seal 30 relative to the sides of the pressure plate 28 and the inner side of the belt 14 and from above and below, the pressure medium filled with pressure, such as oil or air, is filled. For pressure transfer between the pressure plate 29 and the inner side of the belt 15, non-cylinders 33 are installed. The pressure plate 29 and thus the rollers 32 are pressed against the inner surface of the belt 15. The press frame (not shown) nose-.
    20 accepts reaction forces from
    strip material, which is installed as the pressure plates 28,29, and both chambers 26 and 27.
    Under the action of pressure produced on the strip of material in the reaction zone 25, and, if necessary, additional heating, the epoxy resin hardens, and the strip of material continuously moves through the reaction zone.
    30 to 25, and glass fiber strips 5, 6, 5, b are connected to each other and from near 40 to ban 8 and 11. By this, the strip of material itself after solidification of the resin can be cooled under pressure, which further enhances the quality of the electrolaminate.
    At the exit of the double-sided tape
    At the 45th press of the drums 8 and 11, the belts 14 and 15 clearly change the direction of movement and enter the electrolytic baths 18 and 28, where they are again covered with a copper film. In this case, the hole of the first electrolaminate, whose surface consists of copper films 24 and 37, is separated from the tapes 14 and 15. As a rule, this separation occurs without
    / 14386368
    权利要求:
    Claims (2)
    [1]
    After the release of the electrolamine strip, the formula of the invention 34 of a double-sided tape
    press it is sawn according to the requirement of 1. A device is manufactured for manufacturing on certain states of round-layer products, mainly peeling for cross-cutting (non-board boards containing a base, on
    shown). These kashirovannye copper coater located feed mechanisms
    the plates can be stacked into woven strips of laminate, two-pallet for transport. If a tape press, the branches are endless
    The electrolaminate is flexible, you can change the Q of which ribbons form between
    the direction of the strip 34 electrolytic chamber of the extrusion chamber, a node with a gall-rod 35 and wind on the coil 36.
    Figure 2 shows a co-electrolyte device, characterized by the invention, in which it is labeled so that, in order to improve entry and exit places. In this case, the quality of the products, the double-tape press of the tape 14 and 15 move along the arrows — located in the vertical plane of the chambers in the opposite direction. Relative to the base, each block. Copper films 24 and 37 reach their double-nto press press provided with an additional maximum thickness at the exit. located on the same side of the bottom reels 8 and 11, which are laid in the same plane with the lower drums 8 and 11, the bands of fiberglass impregnated with resin with the main feed drum are wound clear to the base, and the bath l electrolyte unwinding units 38-41, which are electroplating copper deposited near the supply drums 8 and located under the outer surface 11, are fed to the entrance of a two-sided tape of the endless branch of the press, and a tension press at the drums 8 and 11 is between the bottom. - i, in the reaction zone, they are compressed with supporting films with copper films 24 and 37. The strip of the press unit and the position of the electrolate 42 comes out of a double-sided electrolyte level, on the upper belt press
    the end of the drums 10 and 12 and if
    [2]
    2. The device according to claim 1, of which the electrolaminate is flexible, then varies with the fact that the cathode of the node is the direction of its movement on the supplying copper deposition of the copper by means of the roller 43 in the form of a metal plate, a spacer node 44 on the coil. Alternately above the inner surface, natively the strip of electrolaminate tapes of the endless branch of the press unit should be cut into plates of the required whole opposite the bath with the formation of a hollow cavity behind the drums 10 and 12.to the liquid metal, for example mercury.
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     ABOUT
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
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