CN220402061U - Hot pressing device for processing copper-clad substrate - Google Patents
Hot pressing device for processing copper-clad substrate Download PDFInfo
- Publication number
- CN220402061U CN220402061U CN202322054552.8U CN202322054552U CN220402061U CN 220402061 U CN220402061 U CN 220402061U CN 202322054552 U CN202322054552 U CN 202322054552U CN 220402061 U CN220402061 U CN 220402061U
- Authority
- CN
- China
- Prior art keywords
- hot pressing
- frame
- plate
- fixedly connected
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000007731 hot pressing Methods 0.000 title claims abstract description 70
- 238000012545 processing Methods 0.000 title claims abstract description 18
- 239000000758 substrate Substances 0.000 title claims abstract description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 38
- 229910052802 copper Inorganic materials 0.000 claims abstract description 37
- 239000010949 copper Substances 0.000 claims abstract description 37
- 238000007664 blowing Methods 0.000 claims abstract description 24
- 239000000428 dust Substances 0.000 claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 238000004140 cleaning Methods 0.000 claims abstract description 16
- 238000001816 cooling Methods 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 35
- 238000004321 preservation Methods 0.000 claims description 29
- 238000003860 storage Methods 0.000 claims description 22
- 238000005452 bending Methods 0.000 claims description 8
- 239000011490 mineral wool Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 4
- 229920000297 Rayon Polymers 0.000 claims description 2
- 238000001914 filtration Methods 0.000 abstract description 4
- 238000010438 heat treatment Methods 0.000 description 6
- 239000012790 adhesive layer Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000010405 clearance mechanism Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000005457 ice water Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Press Drives And Press Lines (AREA)
Abstract
The utility model discloses a hot pressing device for processing a copper-clad substrate, which relates to the technical field of hot pressing devices and comprises a hot pressing workbench, wherein a hot pressing working frame is fixedly arranged at the top of the hot pressing workbench, a hydraulic cylinder main body is fixedly arranged at the top of the hot pressing working frame, a hot pressing plate main body is connected to the outer wall of the hot pressing working frame in a sliding manner, the moving end of the hydraulic cylinder main body is fixedly connected with the top of the hot pressing plate main body, a copper plate cleaning mechanism is arranged at the top of the hot pressing workbench, and a plate cooling mechanism is arranged at the top of the hot pressing working frame. According to the utility model, through the cooperation of the cylindrical fan and the dust filtering cover, the external dust-free air can be absorbed and is output through the left side of the vertical blowing nozzle, so that the function of blowing and cleaning the plate is realized, the manpower consumption is reduced, and through the design of the chute strip frame and the sliding block, a user can randomly adjust the position of the vertical blowing nozzle, and the convenience of the device is improved.
Description
Technical Field
The utility model relates to the technical field of hot pressing devices, in particular to a hot pressing device for processing a copper-clad substrate.
Background
The copper-clad laminate is a plate-like material which is made by immersing electronic glass fiber cloth or other reinforcing materials in resin, coating copper foil on one or both sides, and hot-pressing, and is simply called a copper-clad plate, and various printed circuit boards with different forms and different functions are manufactured by selectively performing working procedures such as processing, etching, drilling, copper plating and the like on the copper-clad plate.
The Chinese patent discloses a copper-clad plate hot-pressing production device, the publication number is CN 213152495U, and the technical scheme disclosed in the patent document is as follows: including the heating cabinet main part, the inside bottom of heating cabinet main part is provided with the heating chassis, is provided with the hot pressing bottom plate on the heating chassis, and hot pressing bottom plate top activity is provided with the hot pressing roof, and heating cabinet main part top is provided with the first promotion cylinder that is used for driving hot pressing roof up-and-down motion, and the output shaft and the hot pressing roof fixed connection of first promotion cylinder.
In order to solve the problem that most of the existing copper-clad plate hot press is used for placing the plate to be hot-pressed on the hot pressing plate by workers, the prior art adopts a mode of design such as sliding and the like in the heating box main body through a motor driving supporting plate, but the condition that the plate cannot be cleaned conveniently still occurs, the surface of the plate is extremely easy to adsorb impurities due to static and the like when the plate is in turnover, and the surface of the plate needs to be cleaned manually by a user before hot pressing, so that the problem of large manpower consumption is caused.
Disclosure of Invention
The utility model aims to provide a hot pressing device for processing a copper-clad substrate, which is used for solving the problems in the background art.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model provides a hot press device for covering copper base plate processing, includes the hot pressing workstation, the top fixed mounting of hot pressing workstation has the hot pressing work frame, the top fixed mounting of hot pressing work frame has the pneumatic cylinder main part, sliding connection has the hot pressing board main part on the outer wall of hot pressing work frame, the removal end of pneumatic cylinder main part and the top fixed connection of hot pressing board main part, the top of hot pressing workstation is provided with copper clearance mechanism, the top of hot pressing work frame is provided with panel cooling mechanism.
The copper cleaning mechanism comprises a blowing dust removal unit and a dust collection unit, and the plate cooling mechanism comprises a rapid heat exchange unit and a water storage unit.
The utility model provides a dust removal unit of blowing includes the spout strip frame, spout strip frame fixed mounting is at the top of hot pressing workstation, sliding connection has the sliding block on the inner wall of spout strip frame, the top fixed mounting of sliding block has a hollow square tube, the middle part fixedly connected with tube-shape fan of hollow square tube, the left side fixedly connected with vertical nozzle of blowing of hollow square tube, the right side dismantlement formula of hollow square tube is connected with the dust filter cover, the equal fixed block of fixed mounting in spout strip frame front and back, fixed mounting has the bounce-back spare on the inboard outer wall of fixed block.
The technical scheme of the utility model is further improved as follows: the dust collection unit comprises an air inlet square cover, the air inlet square cover is fixedly arranged at the top of the hot pressing workbench, and a round pipe is fixedly connected to the left side of the air inlet square cover.
The technical scheme of the utility model is further improved as follows: the left side activity of circular pipe is pegged graft and is had the grafting pipe, the left side fixedly connected with crooked pipe of grafting pipe, scribble the viscose layer on the inner wall of crooked pipe.
The technical scheme of the utility model is further improved as follows: the quick heat exchange unit comprises a hollow copper plate, the hollow copper plate is fixedly arranged at the top of a hot pressing working frame, an inner supporting block is welded between the top and the bottom of the inner wall of the hollow copper plate, and the front and the back of the hollow copper plate are fixedly connected with an expansion frame.
The technical scheme of the utility model is further improved as follows: the top of the expansion frame positioned on the front face is fixedly connected with a water inlet pipe, and the bottom of the expansion frame positioned on the back face is fixedly connected with a water return pipe.
The technical scheme of the utility model is further improved as follows: the water storage unit comprises a water storage tank, a heat preservation cover is movably inserted at the top of the water storage tank, rock wool heat preservation layers are arranged in the water storage tank and the heat preservation cover, a pump is fixedly arranged at the top of the heat preservation cover, and a holding rod is welded on the outer wall of the heat preservation cover.
The technical scheme of the utility model is further improved as follows: the input pipe of pump machine extends to in the inner chamber of water storage tank, the one end fixed connection that the extension frame was kept away from to the inlet tube is on the output of pump machine, the one end fixed connection that the extension frame was kept away from to the wet return is at the top of heat preservation lid.
By adopting the technical scheme, compared with the prior art, the utility model has the following technical progress:
1. the utility model provides a hot press device for processing a copper-clad substrate, which can absorb external dust-free air through the cooperation of a cylindrical fan and a dust filtering cover, and enable the air to be output through the left side of a vertical blowing nozzle, so that the function of blowing and cleaning a plate is realized, the consumption of manpower is reduced, and a user can randomly adjust the position of the vertical blowing nozzle through the design of a chute strip frame and a sliding block, so that the convenience of the device is improved.
2. The utility model provides a hot pressing device for processing a copper-clad substrate, wherein a water storage tank is used for storing cold water, the cold water can flow through the inner cavity of a hollow copper plate through the design of a pump, a water inlet pipe and a water return pipe, the hollow copper plate is used for carrying out rapid cooling treatment on a high-temperature plate, the time for users to wait for natural cooling is shortened, and the high efficiency of the device is improved.
3. The utility model provides a hot pressing device for processing a copper-clad substrate, which can realize the function of blowing and cleaning the board through the integral design of a copper plate cleaning mechanism, collect dust generated by cleaning, reduce the secondary pollution rate of the board, preserve heat and store cold water through the integral design of the board cooling mechanism, and rapidly cool the board after hot pressing through the cold water, thereby facilitating the subsequent processing of the board in time for users.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of a chute bar frame according to the present utility model;
FIG. 3 is a schematic view of a separation structure of a circular tube and a plug tube according to the present utility model;
fig. 4 is a schematic diagram showing the separation structure of the hollow copper plate and the expansion frame of the present utility model;
FIG. 5 is a schematic view showing a separation structure of a water storage tank and a heat preservation cover of the present utility model.
In the figure: 1. a hot pressing workbench; 11. a hot pressing work frame; 12. a hydraulic cylinder main body; 13. a hot press plate main body;
2. a copper plate cleaning mechanism; 21. a chute strip frame; 22. a sliding block; 23. a hollow square cylinder; 24. a vertical blowing nozzle; 25. a cylindrical fan; 26. a dust filtering cover; 27. a fixed block; 28. a rebound member; 29. a dust collection unit; 291. an air inlet square cover; 292. a circular tube; 293. a connecting pipe is inserted; 294. bending the tube;
3. a plate cooling mechanism; 31. a hollow copper plate; 32. an inner support block; 33. an expansion frame; 34. a water inlet pipe; 35. a water return pipe; 36. a water storage tank; 361. rock wool heat preservation; 362. a thermal insulation cover; 363. a pump machine; 364. the grip lever.
Detailed Description
The utility model is further illustrated by the following examples:
example 1
As shown in fig. 1-5, the utility model provides a hot pressing device for processing copper-clad substrates, which comprises a hot pressing workbench 1, wherein a hot pressing working frame 11 is fixedly arranged at the top of the hot pressing workbench 1, a hydraulic cylinder main body 12 is fixedly arranged at the top of the hot pressing working frame 11, a hot pressing plate main body 13 is connected to the outer wall of the hot pressing working frame 11 in a sliding manner, a moving end of the hydraulic cylinder main body 12 is fixedly connected with the top of the hot pressing plate main body 13, a copper plate cleaning mechanism 2 is arranged at the top of the hot pressing workbench 1, a plate cooling mechanism 3 is arranged at the top of the hot pressing working frame 11, the copper plate cleaning mechanism 2 comprises a blowing dust removing unit and a dust collecting unit 29, the plate cooling mechanism 3 comprises a quick heat exchanging unit and a water storing unit, the blowing dust removing unit comprises a chute strip frame 21, the chute strip frame 21 is fixedly arranged at the top of the hot pressing workbench 1, the inner wall of the chute bar frame 21 is connected with a sliding block 22 in a sliding way, the top of the sliding block 22 is fixedly provided with a hollow square cylinder 23, the middle part of the hollow square cylinder 23 is fixedly connected with a cylindrical fan 25, the left side of the hollow square cylinder 23 is fixedly connected with a vertical blowing nozzle 24, the right side of the hollow square cylinder 23 is detachably connected with a dust filtering cover 26, the front and the back of the chute bar frame 21 are fixedly provided with a fixed block 27, the inner wall and the outer wall of the fixed block 27 are fixedly provided with a rebound piece 28, a plate to be pressed is moved to the vicinity of the top of a hollow copper plate 31, the cylindrical fan 25 is controlled to work, the left side of the vertical blowing nozzle 24 is blown, the blowing cleaning of the plate can be completed, simultaneously, a user can slide back and forth to adjust the position of the vertical blowing nozzle 24, the rebound piece 28 comprises a spring and a barrier strip, the moving vertical blowing nozzle 24 can be buffered and rebounded, the problem of damage to the cylindrical fan 25 caused by a large impact force is avoided.
Example 2
As shown in fig. 1-5, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the dust collection unit 29 includes an air inlet square cover 291, the air inlet square cover 291 is fixedly installed at the top of the hot pressing workbench 1, a circular pipe 292 is fixedly connected to the left side of the air inlet square cover 291, a plug pipe 293 is movably plugged in the left side of the circular pipe 292, a bending pipe 294 is fixedly connected to the left side of the plug pipe 293, an adhesive layer is coated on the inner wall of the bending pipe 294, dust-containing air generated by blowing and cleaning can be received through the design of the air inlet square cover 291, dust-containing air flows through the inner cavity of the bending pipe 294, dust is adhered and treated through the adhesive layer, the secondary pollution rate of a plate is reduced, and a user can conveniently detach the bending pipe 294 through the design of the circular pipe 292 and the plug pipe 293 and then maintain the adhesive layer on the inner wall of the bending pipe 294.
Example 3
As shown in fig. 1-5, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the quick heat exchange unit comprises a hollow copper plate 31, hollow copper plate 31 fixed mounting is at the top of hot pressing work frame 11, interior supporting shoe 32 is welded between the top and the bottom of hollow copper plate 31 inner wall, the front and the back of hollow copper plate 31 are all fixedly connected with extension frame 33, the top fixedly connected with inlet tube 34 that is located the extension frame 33 of front, the bottom fixedly connected with wet return 35 that is located the extension frame 33 of back, the water storage unit includes water storage tank 36, the top activity grafting of water storage tank 36 has heat preservation lid 362, water storage tank 36, the inside of heat preservation lid 362 all is provided with rock wool heat preservation 361, the top fixed mounting of heat preservation lid 362 has pump 363, the welding has grip rod 364 on the outer wall of heat preservation lid 362, the input tube of pump 363 extends to the inner chamber of water storage tank 36, the one end fixedly connected with of extension frame 33 is kept away from to inlet tube 34, the one end fixedly connected with of extension frame 33 is at the top of heat preservation lid 362, the user can add low temperature medium to the inner chamber of water storage tank 36 in advance, low temperature medium is ice water etc. through the design of rock wool 361, can carry out the design of heat preservation lid 31, realize the realization quick-release function through the heat preservation to the hollow copper plate 31, realize the heat preservation function is realized through the heat preservation and the hollow plate 31, the inner wall is convenient for the realization of the heat preservation is realized through the heat preservation of hollow plate 31, the heat preservation medium is convenient for realize through the design of hollow plate 31, the heat preservation, the inner wall is convenient to realize the control and can realize the heat preservation.
The working principle of the hot press device for processing the copper-clad substrate is specifically described below.
As shown in fig. 1 to 5, firstly, the plate to be pressed is moved to the vicinity of the top of the hollow copper plate 31, the cylindrical fan 25 is controlled to work, air is blown from the left side of the vertical air blowing nozzle 24, air blowing cleaning of the plate can be completed, meanwhile, a user can slide back and forth to adjust the position of the vertical air blowing nozzle 24, after cleaning is completed, the plate is placed on the top of the hollow copper plate 31, the hydraulic cylinder main body 12 is controlled to work to drive the hot pressing plate main body 13 to move vertically downwards, hot pressing of the plate is completed, a low-temperature medium is added into the inner cavity of the water storage tank 36 in advance, the pump 363 is controlled to work, the low-temperature medium can be extracted, and flows through the inner cavity of the hollow copper plate 31, and the function of carrying out rapid cooling treatment on the plate is realized.
The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.
Claims (7)
1. The utility model provides a hot press device for covering copper base plate processing, includes hot press work platform (1), its characterized in that: the hot pressing machine comprises a hot pressing workbench (1), and is characterized in that a hot pressing working frame (11) is fixedly arranged at the top of the hot pressing workbench (1), a hydraulic cylinder main body (12) is fixedly arranged at the top of the hot pressing working frame (11), a hot pressing plate main body (13) is connected to the outer wall of the hot pressing working frame (11) in a sliding mode, the movable end of the hydraulic cylinder main body (12) is fixedly connected with the top of the hot pressing plate main body (13), a copper plate cleaning mechanism (2) is arranged at the top of the hot pressing workbench (1), and a plate cooling mechanism (3) is arranged at the top of the hot pressing working frame (11);
the copper plate cleaning mechanism (2) comprises a blowing dust removal unit and a dust collection unit (29), and the plate cooling mechanism (3) comprises a rapid heat exchange unit and a water storage unit;
the utility model provides a dust removal unit that bloies includes spout strip frame (21), spout strip frame (21) fixed mounting is at the top of hot pressing workstation (1), sliding connection has sliding block (22) on the inner wall of spout strip frame (21), the top fixed mounting of sliding block (22) has hollow square tube (23), the middle part fixedly connected with tube-shape fan (25) of hollow square tube (23), the left side fixedly connected with vertical blowing nozzle (24) of hollow square tube (23), the right side dismantlement formula of hollow square tube (23) is connected with dust filter cover (26), all fixed mounting has fixed block (27) in spout strip frame (21) openly and the back, fixed mounting has bounce-back spare (28) on the inboard outer wall of fixed block (27).
2. The hot press apparatus for copper clad substrate processing according to claim 1, wherein: the dust collection unit (29) comprises an air inlet square cover (291), the air inlet square cover (291) is fixedly arranged at the top of the hot pressing workbench (1), and a circular pipe (292) is fixedly connected to the left side of the air inlet square cover (291).
3. The hot press apparatus for copper clad substrate processing according to claim 2, wherein: the left side activity of circular pipe (292) is pegged graft and is had grafting pipe (293), the left side fixedly connected with bending pipe (294) of grafting pipe (293), scribble on the inner wall of bending pipe (294) and be equipped with the viscose layer.
4. The hot press apparatus for copper clad substrate processing according to claim 1, wherein: the quick heat exchange unit comprises a hollow copper plate (31), the hollow copper plate (31) is fixedly arranged at the top of a hot-pressing working frame (11), an inner supporting block (32) is welded between the top and the bottom of the inner wall of the hollow copper plate (31), and an expansion frame (33) is fixedly connected to the front surface and the back surface of the hollow copper plate (31).
5. The apparatus of claim 4, wherein: the top of the expansion frame (33) positioned on the front surface is fixedly connected with a water inlet pipe (34), and the bottom of the expansion frame (33) positioned on the back surface is fixedly connected with a water return pipe (35).
6. The apparatus of claim 5, wherein: the water storage unit comprises a water storage tank (36), a heat preservation cover (362) is movably inserted at the top of the water storage tank (36), rock wool heat preservation layers (361) are arranged in the water storage tank (36) and the heat preservation cover (362), a pump (363) is fixedly arranged at the top of the heat preservation cover (362), and a holding rod (364) is welded on the outer wall of the heat preservation cover (362).
7. The hot press apparatus for copper clad substrate processing according to claim 6, wherein: the input pipe of pump machine (363) extends to in the inner chamber of water storage case (36), the one end fixed connection that extension frame (33) was kept away from to inlet tube (34) is on the output of pump machine (363), the one end fixed connection that extension frame (33) was kept away from to wet return (35) is at the top of heat preservation lid (362).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322054552.8U CN220402061U (en) | 2023-08-02 | 2023-08-02 | Hot pressing device for processing copper-clad substrate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322054552.8U CN220402061U (en) | 2023-08-02 | 2023-08-02 | Hot pressing device for processing copper-clad substrate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220402061U true CN220402061U (en) | 2024-01-26 |
Family
ID=89604297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322054552.8U Active CN220402061U (en) | 2023-08-02 | 2023-08-02 | Hot pressing device for processing copper-clad substrate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220402061U (en) |
-
2023
- 2023-08-02 CN CN202322054552.8U patent/CN220402061U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113858328A (en) | Drilling device and drilling method for circuit board production | |
| CN220402061U (en) | Hot pressing device for processing copper-clad substrate | |
| CN116423047A (en) | Full-automatic laser welding device for sensor | |
| CN216912535U (en) | Graphite lamination cutting forming device | |
| CN217316391U (en) | Laser engraving machine for manufacturing plane advertisement | |
| CN214865729U (en) | Automatic cleaning line for electroplating circuit board | |
| CN215236276U (en) | Motor casing cleaning machine | |
| CN211802794U (en) | Cleaning equipment is used in automotive interior panel processing | |
| CN114703331A (en) | A high-efficient type slag processing apparatus for high temperature slag waste heat recovery | |
| CN218367004U (en) | Adsorption structure of adsorption type emission reduction printing machine | |
| CN212885783U (en) | Laser drilling device for printed circuit board | |
| CN219293514U (en) | Grinding device for air conditioner sheet metal machining | |
| CN218696189U (en) | Tapping machine for processing preposed filter screen | |
| CN215543331U (en) | Air blowing device of motor casing cleaning machine | |
| CN218507859U (en) | Railway elastic strip cooling treatment device | |
| CN219275564U (en) | Polishing table | |
| CN219925289U (en) | Power switch bottom plate processingequipment | |
| CN220986221U (en) | Titanium stick surface polishing device | |
| CN216904984U (en) | A support for fixing mobile terminal's side key FPC | |
| CN118046028A (en) | Gantry milling machine based on special steel processing operation | |
| CN215260818U (en) | Vacuum drying device of motor casing cleaning machine | |
| CN220739211U (en) | Combined punching machine set | |
| CN220325944U (en) | High-precision PCB (printed circuit board) patch equipment | |
| CN221047634U (en) | Negative pressure welding operation panel | |
| CN218296462U (en) | A cool machine of doing for chinese caterpillar fungus cool dry processing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A hot pressing device for processing copper-clad substrates Granted publication date: 20240126 Pledgee: Bank of China Co.,Ltd. Wuxi High tech Industrial Development Zone Branch Pledgor: Wuxi Xinke metal products Co.,Ltd. Registration number: Y2024980014519 |