CN109551247A - A kind of copper-based resin prepreg production equipment for mobile communication circuit board - Google Patents
A kind of copper-based resin prepreg production equipment for mobile communication circuit board Download PDFInfo
- Publication number
- CN109551247A CN109551247A CN201811490323.8A CN201811490323A CN109551247A CN 109551247 A CN109551247 A CN 109551247A CN 201811490323 A CN201811490323 A CN 201811490323A CN 109551247 A CN109551247 A CN 109551247A
- Authority
- CN
- China
- Prior art keywords
- copper
- based resin
- mobile communication
- pump
- copper foil
- 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.)
- Granted
Links
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 59
- 239000011347 resin Substances 0.000 title claims abstract description 45
- 229920005989 resin Polymers 0.000 title claims abstract description 45
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 20
- 239000010949 copper Substances 0.000 title claims abstract description 20
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 238000010295 mobile communication Methods 0.000 title claims abstract description 16
- 239000011889 copper foil Substances 0.000 claims abstract description 39
- 239000003292 glue Substances 0.000 claims abstract description 28
- 239000011248 coating agent Substances 0.000 claims abstract description 21
- 238000000576 coating method Methods 0.000 claims abstract description 21
- 238000001035 drying Methods 0.000 claims abstract description 10
- 238000000227 grinding Methods 0.000 claims abstract description 9
- 238000001125 extrusion Methods 0.000 claims description 18
- 241001282160 Percopsis transmontana Species 0.000 claims description 14
- 239000011521 glass Substances 0.000 claims description 14
- 238000003756 stirring Methods 0.000 claims description 12
- 239000003795 chemical substances by application Substances 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 8
- 239000012752 auxiliary agent Substances 0.000 claims description 7
- 239000003082 abrasive agent Substances 0.000 claims description 5
- 238000009826 distribution Methods 0.000 claims description 5
- 239000011888 foil Substances 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 150000002739 metals Chemical class 0.000 claims description 3
- -1 heating wire (52) Substances 0.000 claims 1
- 239000012779 reinforcing material Substances 0.000 abstract description 8
- 239000004615 ingredient Substances 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 238000007711 solidification Methods 0.000 abstract description 5
- 230000008023 solidification Effects 0.000 abstract description 5
- 230000007547 defect Effects 0.000 abstract description 4
- 238000005470 impregnation Methods 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 230000005855 radiation Effects 0.000 description 4
- 230000002028 premature Effects 0.000 description 3
- 230000003746 surface roughness Effects 0.000 description 3
- 206010037660 Pyrexia Diseases 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000010792 warming Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/06—Metal-working plant comprising a number of associated machines or apparatus
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
Abstract
The present invention relates to mobile communication circuit board copper-clad plate production technical field, a kind of particularly copper-based resin prepreg production equipment for mobile communication circuit board.The equipment includes copper foil reel, grinding device, coating unit and the cutter device set gradually from front to back, is installed on the drying unit of lower section between coating unit and cutter device, and the glue feeder being connected by delivery pipe with coating unit.The copper-based resin prepreg and reinforcing material high temperature produced using the equipment is laminated to make copper-clad plate, solve in the prior art reinforcing material impregnation and and glue solidification process in, it is easy to appear entrained air bubbles, the defects of prepreg ingredient is uneven, copper-clad plate production yields is led to problems such as to reduce.
Description
Technical field
The present invention relates to mobile communication circuit board copper-clad plate production technical fields, particularly a kind of for mobile communication electricity
The copper-based resin prepreg production equipment of road plate.
Background technique
Copper-clad plate, full name copper-clad laminate are the basic materials of electronics industry, are mainly used for fabricating printed circuit
Plate is widely used in field of mobile communication.
Traditional copper-clad plate be by electronic glass-fiber cloth or other reinforcing materials leaching with resin, on one side or it is two-sided coated with copper foil simultaneously
Manufactured a kind of board-like material through hot pressing.With the development of copper-clad plate material, the auxiliary material added in glue is more and more,
Reinforcing material impregnation and and glue solidification process in, be easy to appear entrained air bubbles, the defects of prepreg ingredient is uneven, lead
The problems such as causing copper-clad plate production yields to reduce.
Summary of the invention
The purpose of the present invention is to provide a kind of copper-based resin prepreg production equipment for mobile communication circuit board,
The copper-based resin prepreg and reinforcing material high temperature of production are laminated to make copper-clad plate, are solved in the prior art in reinforcing material
Impregnation and and glue solidification process in, be easy to appear entrained air bubbles, the defects of prepreg ingredient is uneven, cause copper-clad plate raw
Produce the problems such as yields reduces.
To achieve the goals above, the present invention is realized using following technical scheme: one kind being used for mobile communication circuit board
Copper-based resin prepreg production equipment, including set gradually from front to back copper foil reel, grinding device, coating unit and
Cutter device is installed on the drying unit of lower section between coating unit and cutter device, and passes through delivery pipe and coating unit
The glue feeder being connected.
The coating unit includes portal frame, single-screw (single screw) pump, extrusion portion and closing device；The portal frame includes left and right two
Each column in side, screw motor, nut and pump bracket, are respectively equipped with a screw motor on the left and right sides column, pump
One nut, screw shaft of two nuts with the screw motor in the same side are respectively installed in the through-hole at left and right sides of bracket
It is meshed；The single-screw (single screw) pump is installed on pump bracket, and single-screw (single screw) pump has the pump intake of upside and the pump discharge of lower end；It is described
Extrusion portion is cavity body flat under upper circle, has several flow distribution plates in cavity, and side opening is connected with pump discharge in extrusion portion, squeezes
Subordinate's end opening is equipped with closing device out；The closing device includes supporting plate, hush panel, sealing motor, gear and rack gear, branch
Plate, which is installed on, to be squeezed out at subordinate's end opening, and hush panel is installed below supporting plate by way of being slidably matched, left and right two on supporting plate
Side is mounted on sealing motor, seals and is equipped with gear on motor shaft, the rack gear being meshed with gear is mounted on the two of hush panel
Side.
As a preferred technical solution of the present invention, the copper foil reel includes rack and rack-mounted electricity
There is on electric reel movable reel the copper foil to uncoiling to roll up.
As a preferred technical solution of the present invention, the grinding device includes each side plate of the right and left, guiding
Roller and electronic sand roller, the side plate are installed on the side of two columns in left and right, and side plate installed in front has two guide rollers up and down, leads
Electronic sand roller is installed to roller rear；Copper foil on electric reel, which is wound off, passes through copper foil between upper and lower two guide rollers,
Distance is slightly larger than the thickness of copper foil between the roll surface of upper and lower two guide rollers, the upper surface of roll surface and copper foil below electronic sand roller
It is in contact, the roll surface of electronic sand roller has one layer of abrasive material.
As a preferred technical solution of the present invention, the glue feeder includes vacuum barrel, mixer, condenser pipe, envelope
Lid, stirring motor and puddle support are equipped with mixer in vacuum cylinder, condenser pipe are equipped in mixer, is equipped on vacuum barrel
Capping；Stirring motor is installed in capping, puddle support is installed on stirring motor axis, puddle support acts on inside mixer；Match
Charging basket bottom is provided with delivery outlet, and delivery outlet is connected by delivery pipe with coating unit；Capping is equipped with feed pipe and pumping
Pipe, for several feed pipes for injecting existing resin, curing agent and auxiliary agent etc. into mixer, exhaust tube connection is existing true
Sky pump.
As a preferred technical solution of the present invention, the drying unit includes the guarantor that inner cavity is provided with reflective metals foil
Incubator body, heating wire, glass plate and electronic supplementary feeding wheel are equipped with several heating wire inside the thermal-insulating body, keep the temperature
Glass plate is installed on the upside of cabinet, several electronic supplementary feeding wheels are installed on the left side plate of thermal-insulating body by mounting base
On.
As a preferred technical solution of the present invention, the cutter device includes bracket, cylinder and plug-in strip, several gas
The bottom end of cylinder is installed on above bracket, and the top of cylinder is equipped with plug-in strip.
When work, existing vacuum pump is opened, keeps the low-pressure state in vacuum barrel, opens stirring motor, condenser pipe connects
Enter condensing agent, liquid resin, curing agent and auxiliary agent etc. are injected into mixer by the feed pipe in capping in required ratio, stirred
It mixes motor and drives puddle support rotation, liquid resin, curing agent and the auxiliary agent etc. in mixer are stirred into required resin glue, it is cold
Solidifying pipe work makes resin glue keep low temperature, prevents resin glue premature cure, by the copper foil uncoiling on copper foil reel, passes through copper foil
For two guide rollers until between glass plate and electronic supplementary feeding wheel, electronic sand roller rotation, the abrasive material on surface makes copper foil upper surface
Roughness increases, while the rotation of electronic supplementary feeding wheel is to drive copper foil to move backward on a glass, in drying unit
Heating wire powers on fever and passes through thermal-insulating body metal foil reflective thermal radiation, and heat radiation is made on glass plate by glass plate
The copper foil on surface is warming up to 230 DEG C or so, opens single-screw (single screw) pump, and low-temperature resins glue is pumped to coating unit, resin through delivery pipe
Glue is acted on through flow distribution plate equably from squeezing out subordinate end to copper foil upper surface extrusion resin thin layer, and thin resin layer is heated to be reached
Semi-cured state, copper-based resin prepreg preliminarily forming, continues to convey backward, when reaching required length beyond cutter device
When spending, cylinder elongation, the plug-in strip on cylinder top cuts off copper-based resin prepreg, and when producing pause, sealing motor is driven
Gear rotation seals to drive the hush panel for being equipped with the rack gear engaged with gear mobile until will squeeze out subordinate and bring out mouth.
The beneficial effects of the present invention are:
1, copper-based resin prepreg and reinforcing material high temperature produced by the invention are laminated to make copper-clad plate, can solve
In the prior art reinforcing material impregnation and and glue solidification process in, the entrained air bubbles that are easy to appear, prepreg ingredient
The defects of uneven, leads to problems such as copper-clad plate production yields reduce；
2, the glue feeder that the present invention designs reduces glue initial temperature using condenser pipe, avoids the premature cure of glue；
3, by the way of being stirred under vacuum ingredient, the bubble greatly reduced in glue contains the glue feeder that the present invention designs
Amount；
4, the extrusion portion for the single-screw (single screw) pump cooperation flat that the present invention designs, can equably export smooth resin adhesive liquid
Layer；
5, the grinding device that designs of the present invention can increase copper foil upper surface roughness, to make thin resin layer and copper foil
Adhesion is stronger.
6, the closing device that the present invention designs can close extrusion portion when producing pause, prevent resin adhesive liquid from excessively leaking
Out.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the structural schematic diagram of coating unit of the present invention；
Fig. 3 is the structural schematic diagram of grinding device of the present invention；
Fig. 4 is the structural schematic diagram of glue feeder of the present invention；
Fig. 5 is the structural schematic diagram of drying unit of the present invention.
Specific embodiment
In order to be easy to understand the technical means, the creative features, the aims and the efficiencies achieved by the present invention, tie below
Conjunction is specifically illustrating, and the present invention is further explained.
As shown in Fig. 1 to Fig. 5, a kind of copper-based resin prepreg production equipment for mobile communication circuit board, including
Copper foil reel 1, grinding device 2, coating unit 3 and the cutter device 4 set gradually from front to back, is installed on 3 He of coating unit
The drying unit 5 of lower section between cutter device 4, and the glue feeder 7 being connected by delivery pipe 6 with coating unit 3.
The coating unit 3 includes portal frame 31, single-screw (single screw) pump 32, extrusion portion 33 and closing device 34；The portal frame
31 include an each side column 311, screw motor 312, nut 313 and pump bracket 314, the left and right sides column
One screw motor 312 is respectively installed on 311, pumps and a nut 313 is respectively installed in the through-hole of 314 left and right sides of bracket, two
Nut 313 is meshed with the screw shaft of the screw motor 312 in the same side；The single-screw (single screw) pump 32 is installed on pump bracket
On 314, single-screw (single screw) pump 32 has the pump intake 32a of upside and the pump discharge 32b of lower end；The extrusion portion 33 is flat under upper circle
Cavity body, cavity is interior to have several flow distribution plate 33a, and side opening is connected with pump discharge 32b in extrusion portion 33,33 lower end of extrusion portion
Opening is equipped with closing device 34；The closing device 34 includes supporting plate 341, hush panel 342, sealing motor 343, gear 344
With rack gear 345, supporting plate 341 is installed at 33 lower ending opening of extrusion portion, and hush panel 342 is installed on branch by way of being slidably matched
Below plate 341, the left and right sides is mounted on sealing motor 343 on supporting plate 341, seals and is equipped with gear 344 on 343 axis of motor,
The rack gear 345 being meshed with gear 344 is mounted on the two sides of hush panel 342.
The copper foil reel 1 includes rack 11 and the electric reel 12 being mounted in rack 11, has on electric reel 12
Need the copper foil volume of uncoiling.
The grinding device 2 includes each side plate 21 of the right and left, guide roller 22 and electronic sand roller 23, the side plate 21
It is installed on the side of two columns 311 in left and right, 21 installed in front of side plate has two guide rollers 22 up and down, the installation of 22 rear of guide roller
There is electronic sand roller 23；Copper foil on electric reel 12, which is wound off, passes through copper foil between upper and lower two guide rollers 22, and upper and lower two
Distance is slightly larger than the thickness of copper foil, the upper surface phase of the roll surface and copper foil of electronic 23 lower section of sand roller between the roll surface of a guide roller 22
The roll surface of contact, electronic sand roller 23 has one layer of abrasive material.
The glue feeder 7 includes vacuum barrel 71, mixer 72, condenser pipe 73, capping 74, stirring motor 75 and puddle support
76, mixer 72 is installed in vacuum cylinder 71, condenser pipe 73 is installed in mixer 72, capping 74 is installed on vacuum barrel 71；
Stirring motor 75 is installed in capping 74, puddle support 76 is installed, puddle support 76 acts on mixer 72 on 75 axis of stirring motor
It is internal；72 bottom of mixer is provided with delivery outlet 72a, and delivery outlet 72a is connected by delivery pipe 6 with coating unit 3；Capping 74
It is equipped with feed pipe 74a and exhaust tube 74b, several feed pipes 74a is for injecting existing resin, solidification into mixer 72
Agent and auxiliary agent etc., the existing vacuum pump of exhaust tube 74b connection.
The drying unit 5 includes the thermal-insulating body 51, heating wire 52,53 and of glass plate that inner cavity is provided with reflective metals foil
Electronic supplementary feeding wheel 54 is equipped with several heating wire 52 inside the thermal-insulating body 51, is equipped on the upside of thermal-insulating body 51
Glass plate 53, several electronic supplementary feeding wheels 54 are installed on the left side plate of thermal-insulating body 51 by mounting base.
The cutter device 4 includes bracket 41, cylinder 42 and plug-in strip 43, and the bottom end of several cylinders 42 is installed on bracket 41
Top, the top of cylinder 42 are equipped with plug-in strip 43.
When work, existing vacuum pump is opened, keeps the low-pressure state in vacuum barrel 71, opens stirring motor 75, condensation
Pipe 73 accesses condensing agent, and liquid resin, curing agent and auxiliary agent etc. are infused in required ratio by the feed pipe 74a in capping 74
Enter mixer 72, stirring motor 75 drives puddle support 76 to rotate, by liquid resin, curing agent and the auxiliary agent etc. in mixer 72
Required resin glue is stirred into, the work of condenser pipe 73 makes resin glue keep low temperature, resin glue premature cure prevented, by copper foil reel 1
On copper foil uncoiling, make copper foil across two guide rollers 22 until glass plate 53 and electronic supplementary feeding wheel 54, electronic sand roller
23 rotations, the abrasive material on surface increase copper foil upper surface roughness, while the rotation of electronic supplementary feeding wheel 54 is to drive copper
Foil moves backward on glass plate 53, and the heating wire 52 in drying unit 5 powers on fever and passes through 51 metal of thermal-insulating body
Foil reflective thermal radiation, heat radiation make the copper foil of 53 upper surface of glass plate be warming up to 230 DEG C or so by glass plate 53, open single
Screw pump 32, low-temperature resins glue are pumped to coating unit 3 through delivery pipe 6, and resin glue acts on through flow distribution plate 33a and equably by squeezing
33 lower end of portion is to copper foil upper surface extrusion resin thin layer out, and thin resin layer is heated to reach semi-cured state, and copper-based resin half is solid
Change piece preliminarily forming, continue to convey backward, when reaching required length beyond cutter device 4, cylinder 42 extends, cylinder 42
The plug-in strip 43 on top cuts off copper-based resin prepreg, and when producing pause, sealing motor 343 is rotated with moving gear 344, from
And drive the hush panel 342 for being equipped with the rack gear 345 engaged with gear 344 mobile, until extrusion portion, outlet, 33 lower end is sealed.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and only illustrating for the description in above embodiments and description is of the invention
Principle, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these change and change
Into all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent
It defines.
Claims (6)
1. a kind of copper-based resin prepreg production equipment for mobile communication circuit board, including what is set gradually from front to back
Copper foil reel (1), grinding device (2), coating unit (3) and cutter device (4), are installed on coating unit (3) and cutter device
(4) drying unit (5) of lower section between, and the glue feeder (7) being connected by delivery pipe (6) with coating unit (3),
It is characterized in that, the coating unit (3) includes portal frame (31), single-screw (single screw) pump (32), extrusion portion (33) and closing device (34)；
The portal frame (31) includes an each side column (311), screw motor (312), nut (313) and pump bracket
(314), a screw motor (312) is respectively installed on the left and right sides column (311), is pumped at left and right sides of bracket (314)
One nut (313), screw rod of two nuts (313) with the screw motor (312) in the same side are respectively installed in through-hole
Axis is meshed；
The single-screw (single screw) pump (32) be installed on pump bracket (314) on, single-screw (single screw) pump (32) have upside pump intake (32a) and under
The pump discharge (32b) at end；
The extrusion portion (33) is cavity body flat under upper circle, has several flow distribution plates (33a) in cavity, on the upside of extrusion portion (33)
Opening is connected with pump discharge (32b), and extrusion portion (33) lower ending opening is equipped with closing device (34)；
The closing device (34) includes supporting plate (341), hush panel (342), sealing motor (343), gear (344) and rack gear
(345), supporting plate (341) is installed at extrusion portion (33) lower ending opening, and hush panel (342) is installed on by way of being slidably matched
Below supporting plate (341), the left and right sides is mounted on sealing motor (343) on supporting plate (341), seals and installs on motor (343) axis
There are gear (344), the rack gear (345) being meshed with gear (344) is mounted on the two sides of hush panel (342).
2. a kind of copper-based resin prepreg production equipment for mobile communication circuit board as described in claim 1, special
Sign is: the copper foil reel (1) includes rack (11) and the electric reel (12) being mounted on rack (11), electric reel
(12) there is the copper foil to uncoiling to roll up on.
3. a kind of copper-based resin prepreg production equipment for mobile communication circuit board as described in claim 1, special
Sign is: the grinding device (2) includes each side plate (21) of the right and left, guide roller (22) and electronic sand roller (23), institute
The side that side plate (21) is installed on two columns (311) in left and right is stated, side plate (21) installed in front has two guide rollers (22) up and down,
Guide roller (22) rear is equipped with electronic sand roller (23)；
Copper foil on electric reel (12), which is wound off, passes through copper foil between upper and lower two guide rollers (22), upper and lower two guiding
Distance is slightly larger than the thickness of copper foil between the roll surface of roller (22), and the roll surface below electronic sand roller (23) connects with the upper surface of copper foil
The roll surface of touching, electronic sand roller (23) has one layer of abrasive material.
4. a kind of copper-based resin prepreg production equipment for mobile communication circuit board as described in claim 1, special
Sign is: the glue feeder (7) includes vacuum barrel (71), mixer (72), condenser pipe (73), capping (74), stirring motor
(75) and puddle support (76) it, is equipped with mixer (72) in vacuum cylinder (71), condenser pipe (73) is installed in mixer (72), very
Capping (74) are installed in empty barrel (71)；
It is equipped with stirring motor (75), is equipped with puddle support (76) on stirring motor (75) axis, puddle support (76) in capping (74)
It is internal to act on mixer (72)；
Mixer (72) bottom is provided with delivery outlet (72a), and delivery outlet (72a) is connected by delivery pipe (6) with coating unit (3)
It connects；
It covers (74) and is equipped with feed pipe (74a) and exhaust tube (74b), several feed pipes (74a) are used for mixer (72)
Interior to inject existing resin, curing agent and auxiliary agent etc., exhaust tube (74b) connects existing vacuum pump.
5. a kind of copper-based resin prepreg production equipment for mobile communication circuit board as described in claim 1, special
Sign is: the drying unit (5) includes that inner cavity is provided with the thermal-insulating body (51) of reflective metals foil, heating wire (52), glass
Plate (53) and electronic supplementary feeding wheel (54), the thermal-insulating body (51) is internal to be equipped with several heating wire (52), incubator
Glass plate (53) are installed on the upside of body (51), several electronic supplementary feeding wheels (54) are installed on thermal-insulating body by mounting base
(51) on left side plate.
6. a kind of copper-based resin prepreg production equipment for mobile communication circuit board as described in claim 1, special
Sign is: the cutter device (4) includes bracket (41), cylinder (42) and plug-in strip (43), the bottom end peace of several cylinders (42)
Loaded on above bracket (41), the top of cylinder (42) is equipped with plug-in strip (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811490323.8A CN109551247B (en) | 2018-12-06 | 2018-12-06 | Copper-based resin prepreg production equipment for mobile communication circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811490323.8A CN109551247B (en) | 2018-12-06 | 2018-12-06 | Copper-based resin prepreg production equipment for mobile communication circuit board |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109551247A true CN109551247A (en) | 2019-04-02 |
| CN109551247B CN109551247B (en) | 2024-05-14 |
Family
ID=65869324
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811490323.8A Active CN109551247B (en) | 2018-12-06 | 2018-12-06 | Copper-based resin prepreg production equipment for mobile communication circuit board |
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| Country | Link |
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| CN (1) | CN109551247B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113578645A (en) * | 2021-07-22 | 2021-11-02 | 安徽鸿海新材料股份有限公司 | Preparation method of high-thermal-conductivity copper-clad plate |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113578645A (en) * | 2021-07-22 | 2021-11-02 | 安徽鸿海新材料股份有限公司 | Preparation method of high-thermal-conductivity copper-clad plate |
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| CN109551247B (en) | 2024-05-14 |
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