CN107498953A - A kind of aluminium base board production technology - Google Patents
A kind of aluminium base board production technology Download PDFInfo
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- CN107498953A CN107498953A CN201710706586.7A CN201710706586A CN107498953A CN 107498953 A CN107498953 A CN 107498953A CN 201710706586 A CN201710706586 A CN 201710706586A CN 107498953 A CN107498953 A CN 107498953A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/20—Layered products comprising a layer of metal comprising aluminium or copper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/16—Drying; Softening; Cleaning
- B32B38/164—Drying
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Laminated Bodies (AREA)
Abstract
A kind of aluminium base board production technology, its production technology comprise the following steps：The anodic oxidation of aluminium sheet one side, the wire drawing nog plate of aluminium sheet handle the anodic oxidation of aluminium sheet one side, PP prepregs, mat formation and suppress, the wire drawing nog plate processing of A. aluminium sheets：Aluminium sheet one side carries out anodized, and another side needs to carry out wire drawing process, B. compactings：The aluminium sheet handled through wire drawing nog plate is suppressed using the method for carrying out being segmented temperature-pressure compacting under vacuum conditions.The method have the advantages that：Compacting aluminum substrate quality is good, and aluminium base plate surface is non-foaming.
Description
Technical field
The present invention relates to zirconium aluminium base board production technology.
Technical background
Aluminium base is the metal-based copper-clad plate for having good heat radiating function, and aluminium base is divided into metal conducting layer（Copper foil）, absolutely
Edge layer（Prepreg）And metal-based layer（Aluminium sheet）.Aluminium base can quickly transmit heat, give out heat caused by circuit
Go.With traditional FR-4 ratios, aluminium base can minimize thermal resistance, have fabulous heat-conductive characteristic；With ceramic substrate phase
Than its mechanical performance is again extremely excellent, and ceramic substrate is used primarily in powerful power semiconductor module.Existing aluminium base life
The aluminum substrate quality of production. art production is not good enough, and aluminium base plate surface is easy to foaming.
The content of the invention
The aluminum substrate quality that the purpose of the present invention produces aiming at existing aluminium base board production technology is not good enough, substrate surface
Deficiency easy to foaming, and a kind of aluminium base board production technology is provided.
The present invention comprises the following steps：The anodic oxidation of aluminium sheet one side, the wire drawing nog plate processing aluminium sheet one side anodic oxygen of aluminium sheet
Change, PP prepregs, mat formation and suppress, it is characterised in that：
A. the wire drawing nog plate processing of aluminium sheet：Aluminium sheet one side carries out anodized, and another side needs to carry out wire drawing process, wire drawing
The technique of processing is completed with Plate grinder, and aluminium sheet enters Plate grinder first, has four polish-brushes to rotate at a high speed to handle surface of aluminum plate,
The electric current of wire drawing grinding head motor is adjusted, is 3.5A when unloaded, with 4.1-4.3A is adjusted to when loading, it is clear to subsequently enter service sink
Wash, cleaned subsequently into except oil cylinder, finally carry out surface of aluminum plate gluing, subsequently into drying channel, dried by two sections,
90 DEG C of leading portion drying temperature, 100 DEG C of back segment drying temperature, 12 ms/min of drying channel conveyer belt transfer rate, cool lower machine；
B. suppress：By the aluminium sheet handled through wire drawing nog plate using the method pressure for carrying out being segmented temperature-pressure compacting under vacuum conditions
System,
1 section:135 DEG C of warm temperature, warm-up time 15 minutes, the Kilogram Force Per Meter of moulding pressure 742
Pressurization 15 minutes；
2 sections:143 DEG C of warm temperature, warm-up time 15 minutes, the Kilogram Force Per Meter of moulding pressure 782
Pressurization 10 minutes；
3 sections:148 DEG C of warm temperature, warm-up time 10 minutes, the Kilogram Force Per Meter of moulding pressure 832
Pressurization 8 minutes；
4 sections:153 DEG C of warm temperature, warm-up time 8 minutes, the Kilogram Force Per Meter of moulding pressure 882
Pressurization 7 minutes；
5 sections:158 DEG C of warm temperature, warm-up time 7 minutes, the Kilogram Force Per Meter of moulding pressure 992
Pressurization 8 minutes；
6 sections:163 DEG C of warm temperature, warm-up time 5 minutes, the Kilogram Force Per Meter of moulding pressure 1082
Pressurization 7 minutes；
6 sections:163 DEG C of warm temperature, warm-up time 5 minutes, the Kilogram Force Per Meter of moulding pressure 1082
Pressurization 7 minutes；
7 sections:176 DEG C of warm temperature, warm-up time 5 minutes, the Kilogram Force Per Meter of moulding pressure 1182
Pressurization 2 minutes；
8 sections:180 DEG C of warm temperature, warm-up time 1 minute, the Kilogram Force Per Meter of moulding pressure 1282
Pressurization 3 minutes；
9 sections:184 DEG C of warm temperature, warm-up time 5 minutes, the Kilogram Force Per Meter of moulding pressure 1302
Pressurization 5 minutes；
10 sections:188 DEG C of warm temperature, warm-up time 5 minutes, the Kilogram Force Per Meter of moulding pressure 1302
Pressurization 5 minutes；
11 sections:190 DEG C of warm temperature, warm-up time 5 minutes, the Kilogram Force Per Meter of moulding pressure 1322
Pressurization 5 minutes；
12 sections:192 DEG C of warm temperature, warm-up time 5 minutes, the Kilogram Force Per Meter of moulding pressure 1312
Pressurization 5 minutes；
13 sections:193 DEG C of warm temperature, warm-up time 74 minutes, the Kilogram Force Per Meter of moulding pressure 1312
Pressurization 5 minutes；
14 sections:190 DEG C of warm temperature, warm-up time 10 minutes, the Kilogram Force Per Meter of moulding pressure 1302
Pressurization 65 minutes.
The method have the advantages that：Compacting aluminum substrate quality is good, and aluminium base plate surface is non-foaming.
Embodiment
The present invention comprises the following steps：The anodic oxidation of aluminium sheet one side, the wire drawing nog plate processing aluminium sheet one side anodic oxygen of aluminium sheet
Change, PP prepregs, mat formation and suppress, it is characterised in that：
A. the wire drawing nog plate processing of aluminium sheet：Aluminium sheet one side carries out anodized, and another side needs to carry out wire drawing process, wire drawing
The technique of processing is completed with Plate grinder, and aluminium sheet enters Plate grinder first, has four polish-brushes to rotate at a high speed to handle surface of aluminum plate,
The electric current of wire drawing grinding head motor is adjusted, is 3.5A when unloaded, with 4.1-4.3A is adjusted to when loading, it is clear to subsequently enter service sink
Wash, cleaned subsequently into except oil cylinder, finally carry out surface of aluminum plate gluing, subsequently into drying channel, dried by two sections,
90 DEG C of leading portion drying temperature, 100 DEG C of back segment drying temperature, 12 ms/min of drying channel conveyer belt transfer rate, cool lower machine；
B. suppress：By the aluminium sheet handled through wire drawing nog plate using the method pressure for carrying out being segmented temperature-pressure compacting under vacuum conditions
System,
1 section:135 DEG C of warm temperature, warm-up time 15 minutes, the Kilogram Force Per Meter of moulding pressure 742
Pressurization 15 minutes；
2 sections:143 DEG C of warm temperature, warm-up time 15 minutes, the Kilogram Force Per Meter of moulding pressure 782
Pressurization 10 minutes；
3 sections:148 DEG C of warm temperature, warm-up time 10 minutes, the Kilogram Force Per Meter of moulding pressure 832
Pressurization 8 minutes；
4 sections:153 DEG C of warm temperature, warm-up time 8 minutes, the Kilogram Force Per Meter of moulding pressure 882
Pressurization 7 minutes；
5 sections:158 DEG C of warm temperature, warm-up time 7 minutes, the Kilogram Force Per Meter of moulding pressure 992
Pressurization 8 minutes；
6 sections:163 DEG C of warm temperature, warm-up time 5 minutes, the Kilogram Force Per Meter of moulding pressure 1082
Pressurization 7 minutes；
6 sections:163 DEG C of warm temperature, warm-up time 5 minutes, the Kilogram Force Per Meter of moulding pressure 1082
Pressurization 7 minutes；
7 sections:176 DEG C of warm temperature, warm-up time 5 minutes, the Kilogram Force Per Meter of moulding pressure 1182
Pressurization 2 minutes；
8 sections:180 DEG C of warm temperature, warm-up time 1 minute, the Kilogram Force Per Meter of moulding pressure 1282
Pressurization 3 minutes；
9 sections:184 DEG C of warm temperature, warm-up time 5 minutes, the Kilogram Force Per Meter of moulding pressure 1302
Pressurization 5 minutes；
10 sections:188 DEG C of warm temperature, warm-up time 5 minutes, the Kilogram Force Per Meter of moulding pressure 1302
Pressurization 5 minutes；
11 sections:190 DEG C of warm temperature, warm-up time 5 minutes, the Kilogram Force Per Meter of moulding pressure 1322
Pressurization 5 minutes；
12 sections:192 DEG C of warm temperature, warm-up time 5 minutes, the Kilogram Force Per Meter of moulding pressure 1312
Pressurization 5 minutes；
13 sections:193 DEG C of warm temperature, warm-up time 74 minutes, the Kilogram Force Per Meter of moulding pressure 1312
Pressurization 5 minutes；
14 sections:190 DEG C of warm temperature, warm-up time 10 minutes, the Kilogram Force Per Meter of moulding pressure 1302
Pressurization 65 minutes.
Embodiment
First, copper foil is cut into slices, and the thickness of copper foil typically has 15 μm, and 22 μm, standard opens copper foil size 1018*1230 ± 2mm
1148*1150 ± 2mm, opens firmly uniform during copper foil, to prevent the copper foil both sides size left inconsistent, opens copper foil
During can not have oil stain, water stain to adhere to copper foil surface, copper foil can not have fold.
2nd, aluminium sheet one side anodic oxidation, the aluminium sheet of our companies are mainly the 1060 of 1000 series, and aluminum content exists
99.6%.Alumina plate：Aluminium sheet is placed in corresponding electrolyte as anode, under specified conditions and impressed current effect, carried out
The aluminium sheet for being electrolysed and being formed.The aluminium plate oxidation of anode, alumina flake is formed on surface, can extend the usage time of aluminium sheet.
3rd, the wire drawing nog plate processing of aluminium sheet, aluminium sheet one side carry out anodized, and another side needs to carry out at wire drawing
Reason.Wire drawing process is that dust, what can be bonded with PP is closer, otherwise the aluminium base of hot pressing out in order to clean the oil stain on aluminium sheet
Plate is possible to bubble, and the not tight situation of fitting occurs.The technique of wire drawing process needs to be completed with Plate grinder, first aluminium
Plate enters Plate grinder, has four polish-brushes to rotate at a high speed to handle surface of aluminum plate, adjusts the electric current of wire drawing grinding head motor, be when unloaded
3.5A or so, with load when be adjusted to 4.1 --- 4.3A or so.Service sink cleaning is subsequently entered, is entered subsequently into except oil cylinder
Row cleaning, remove the greasy dirt of surface of aluminum plate, grease, spot.Neutralizing water tank is subsequently entered, is cleaned.Finally carry out at surface of aluminum plate
Reason, prevents surface of aluminum plate from being aoxidized with air, subsequently into drying channel, dries surface of aluminum plate aqueous solution by high temperature
It is dry.Then cool lower machine.Notice that aluminium sheet is handled with care when upper and lower machine, it is impossible to allow surface of aluminum plate to have bump injury.Plate grinder
Maximum transmission speed per hour is 12m/min, can adjust transfer rate by frequency converter.Plate grinder should check each before per tour work
Whether part rotates normally, and in place whether gear engage, and whether bearing rotates flexibly, gear, and what bearing needs were changed should be immediately
Change.
4th, PP prepregs, the insulating barrier of aluminium base, the most important heat conductivility of aluminium base just have insulating barrier to determine
It is fixed, it is most crucial technology, if heat caused by LED lamp bead does not distribute not go out and may result in the color of light and change, most
Cause LED failure eventually.And distributing for lamp bead heat just needs to transmit by insulating barrier, there is aluminium sheet to distribute.Prepreg it is main
Appearance requirement has：Cloth cover should it is smooth, without greasy dirt, free from smutting, without exogenous impurity or other defect, crack-free and excessive resin-oatmeal
End.
5th, the dust impurity in aluminium base of mating formation can influence the insulation heat-conducting property of aluminium base, and the insulation of aluminium base
Heat conduction can then directly affect the service life of LED, therefore paving process needs the working environment of a hygienic neat and tidy.Paving
The order successively of dress is supporting plate, packing paper, stainless steel plate, copper foil, PP, aluminium sheet, aluminium sheet, PP, copper foil ... aluminium sheet, PP, copper foil, no
Become rusty steel plate, cardboard, cover plate.The thickness mated formation should be higher than that the height of press box, in order to avoid it is pressed onto press box, the production of different-thickness in compacting
Quantity has specific requirement when product are mated formation.Tympan paper needs to be required for changing above and below each stove in pavement process, is used alternatingly,
Brown paper needs to renew paper using seven times, needed every time when mating formation mark access times, access times less than but find have it is broken
Damage knuckle is also required to renew.
6th, suppress, the aluminium base completed will carry out most important process --- hot pressing, using high temperature under vacuum conditions
High pressure suppresses aluminium base, and high temperature has the conduction oil heated in boiler to provide heat, and height is pressed with hydraulic station and provides energy.Pave
Aluminium base puts stock shelf into, and driving is sent into aluminium base inside press by feeder, and aluminium base is pressed onto one piece by low-lift pump, then is had
High-pressure pump slowly increases pressure, closes press doors, opens vavuum pump, vacuumizes, and is in true making the front half section in press in compacting
Under dummy status, be so advantageous to control the generation of bubble in pressing process.Program operation controlling switch is opened, was entirely suppressed
Cheng Chengxu needs operation 145 minutes, and temperature slowly raises in pressing process, and pressure also increases step by step, the temperature on pressing plate
Sensor is spent the variable transferring of temperature to PLC, controls pneumatic control valve door to control the size of heat transfer oil flow by PLC, such as
Fruit, which needs heating to turn on regulating valve, increases the flow of conduction oil, if need not be shut off or flow is diminished.Pressure
PLC is passed to by the pressure transmitter on pipeline, added deduct by the break-make of the Unidirectional solenoid valve above PLC control hydraulic stations to increase
Small pressure.These pressure signals and temperature signal are then converted into data signal by analog signal by digital-to-analogue conversion and are shown in touch
Screen above, the temperature, pressure change inside press can be monitored for us at any time.Just in case these data can when generation compacting is abnormal
Retrieved a loss with let us.Press, which can beep, during EP (end of program) prompts us to suppress completion, and this is to need to remove buzzing
Sound, cold and hot alteration switch is opened, allow aluminium base fast cooling inside press, to improve the efficiency of press.Cool to 130 DEG C of left sides
The right side is cold and hot to be converted, and aluminium base is pulled out into cold press on press, continues cooling 40 to 120 minutes, and weather temperature is different,
Time is different.
It is as shown in the table for pressing process：
7th, the aluminium base that solution plate suppresses is all separated on wooden block by plate every by solution plate personnel, facilitates next process
Work.
8th, shear shear completes this process by worker using plate shearing machine, first has to determine size, our gauges
Very little is 1200*1000.Shear will prevent the generation of burr, and it is that the gap of knife is adjusted to have burr to produce, general adjustment
To 0.075 μm, can be adjusted with clearance gauge.
9th, the process examined seeks to the defective products in production process to check.
Tenth, qualified product packaging storage is examined.
11, product test product needs to do pressure-resistant, tin stove heat, measure and the pulling force examination of thermal conductivity factor before dispatching from the factory
Test.The sample size of voltage-withstand test is 300mm*300mm, and leakage current is big when general voltage-withstand test voltage is 3000 volts and punctured
It is small.280 DEG C of tin stove heat continues to check whether to bubble for 10 minutes, and test sample size is 30mm*30mm.Pull test pulling force
Meter draws 10mm leftover pieces, and the pulling force that seeing needs several newton can peel off copper foil, it is desirable to 1N/mm.
Claims (1)
1. a kind of aluminium base board production technology, its production technology comprise the following steps：The anodic oxidation of aluminium sheet one side, the wire drawing of aluminium sheet mill
The anodic oxidation of plate processing aluminium sheet one side, PP prepregs, mat formation and suppress, it is characterised in that：
A. the wire drawing nog plate processing of aluminium sheet：Aluminium sheet one side carries out anodized, and another side needs to carry out wire drawing process, wire drawing
The technique of processing is completed with Plate grinder, and aluminium sheet enters Plate grinder first, has four polish-brushes to rotate at a high speed to handle surface of aluminum plate,
The electric current of wire drawing grinding head motor is adjusted, is 3.5A when unloaded, with 4.1-4.3A is adjusted to when loading, it is clear to subsequently enter service sink
Wash, cleaned subsequently into except oil cylinder, finally carry out surface of aluminum plate gluing, subsequently into drying channel, dried by two sections,
90 DEG C of leading portion drying temperature, 100 DEG C of back segment drying temperature, 12 ms/min of drying channel conveyer belt transfer rate, cool lower machine；
B. suppress：By the aluminium sheet handled through wire drawing nog plate using the method pressure for carrying out being segmented temperature-pressure compacting under vacuum conditions
System,
1 section:135 DEG C of warm temperature, warm-up time 15 minutes, the Kilogram Force Per Meter of moulding pressure 742
Pressurization 15 minutes；
2 sections:143 DEG C of warm temperature, warm-up time 15 minutes, the Kilogram Force Per Meter of moulding pressure 782
Pressurization 10 minutes；
3 sections:148 DEG C of warm temperature, warm-up time 10 minutes, the Kilogram Force Per Meter of moulding pressure 832
Pressurization 8 minutes；
4 sections:153 DEG C of warm temperature, warm-up time 8 minutes, the Kilogram Force Per Meter of moulding pressure 882
Pressurization 7 minutes；
5 sections:158 DEG C of warm temperature, warm-up time 7 minutes, the Kilogram Force Per Meter of moulding pressure 992
Pressurization 8 minutes；
6 sections:163 DEG C of warm temperature, warm-up time 5 minutes, the Kilogram Force Per Meter of moulding pressure 1082
Pressurization 7 minutes；
6 sections:163 DEG C of warm temperature, warm-up time 5 minutes, the Kilogram Force Per Meter of moulding pressure 1082
Pressurization 7 minutes；
7 sections:176 DEG C of warm temperature, warm-up time 5 minutes, the Kilogram Force Per Meter of moulding pressure 1182
Pressurization 2 minutes；
8 sections:180 DEG C of warm temperature, warm-up time 1 minute, the Kilogram Force Per Meter of moulding pressure 1282
Pressurization 3 minutes；
9 sections:184 DEG C of warm temperature, warm-up time 5 minutes, the Kilogram Force Per Meter of moulding pressure 1302
Pressurization 5 minutes；
10 sections:188 DEG C of warm temperature, warm-up time 5 minutes, the Kilogram Force Per Meter of moulding pressure 1302
Pressurization 5 minutes；
11 sections:190 DEG C of warm temperature, warm-up time 5 minutes, the Kilogram Force Per Meter of moulding pressure 1322
Pressurization 5 minutes；
12 sections:192 DEG C of warm temperature, warm-up time 5 minutes, the Kilogram Force Per Meter of moulding pressure 1312
Pressurization 5 minutes；
13 sections:193 DEG C of warm temperature, warm-up time 74 minutes, the Kilogram Force Per Meter of moulding pressure 1312
Pressurization 5 minutes；
14 sections:190 DEG C of warm temperature, warm-up time 10 minutes, the Kilogram Force Per Meter of moulding pressure 1302
Pressurization 65 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710706586.7A CN107498953A (en) | 2017-08-17 | 2017-08-17 | A kind of aluminium base board production technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710706586.7A CN107498953A (en) | 2017-08-17 | 2017-08-17 | A kind of aluminium base board production technology |
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| Publication Number | Publication Date |
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| CN107498953A true CN107498953A (en) | 2017-12-22 |
Family
ID=60691142
Family Applications (1)
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| CN201710706586.7A Pending CN107498953A (en) | 2017-08-17 | 2017-08-17 | A kind of aluminium base board production technology |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110774137A (en) * | 2019-10-21 | 2020-02-11 | 赣州逸豪新材料股份有限公司 | High heat conduction aluminium base board wire drawing, rubber coating, stoving integration equipment |
| CN112788854A (en) * | 2021-01-15 | 2021-05-11 | 新余市木林森线路板有限公司 | Hot-pressing process for production of heat-conducting aluminum substrate circuit |
| CN113118928A (en) * | 2021-03-25 | 2021-07-16 | 宁波市艾力可机电科技有限公司 | Efficient and environment-friendly stainless steel wire drawing production process |
| CN113660785A (en) * | 2021-08-24 | 2021-11-16 | 鲲翔(佛山)新材料科技有限公司 | Aluminum substrate machining process |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110774137A (en) * | 2019-10-21 | 2020-02-11 | 赣州逸豪新材料股份有限公司 | High heat conduction aluminium base board wire drawing, rubber coating, stoving integration equipment |
| CN112788854A (en) * | 2021-01-15 | 2021-05-11 | 新余市木林森线路板有限公司 | Hot-pressing process for production of heat-conducting aluminum substrate circuit |
| CN112788854B (en) * | 2021-01-15 | 2022-04-19 | 新余市木林森线路板有限公司 | Hot-pressing process for production of heat-conducting aluminum substrate circuit |
| CN113118928A (en) * | 2021-03-25 | 2021-07-16 | 宁波市艾力可机电科技有限公司 | Efficient and environment-friendly stainless steel wire drawing production process |
| CN113660785A (en) * | 2021-08-24 | 2021-11-16 | 鲲翔(佛山)新材料科技有限公司 | Aluminum substrate machining process |
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Application publication date: 20171222 |
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| WD01 | Invention patent application deemed withdrawn after publication |