CN110072332A - A kind of metal core printed board and its manufacture craft - Google Patents
A kind of metal core printed board and its manufacture craft Download PDFInfo
- Publication number
- CN110072332A CN110072332A CN201910429721.7A CN201910429721A CN110072332A CN 110072332 A CN110072332 A CN 110072332A CN 201910429721 A CN201910429721 A CN 201910429721A CN 110072332 A CN110072332 A CN 110072332A
- Authority
- CN
- China
- Prior art keywords
- circuit board
- printed circuit
- top surface
- heat sink
- copper sheet
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0201—Thermal arrangements, e.g. for cooling, heating or preventing overheating
- H05K1/0203—Cooling of mounted components
- H05K1/021—Components thermally connected to metal substrates or heat-sinks by insert mounting
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses a kind of metal core printed board and its manufacture craft, it includes printed circuit board (1), copper sheet (2) and radiator, fluted (3) are opened up on the top surface of the printed circuit board (1), it is installed on the bottom surface of groove (3) and along its length multiple lower radiation tooths (4), copper sheet (2) are placed on the top surface of lower radiation tooth (4), copper sheet (2) is located in groove (3), radiator is provided at the top of the printed circuit board (1), radiator includes heat sink (6) and upper radiation tooth (7), heat sink (6) is set on the top surface of printed circuit board (1).The beneficial effects of the present invention are: the installation space of compact-sized, good heat dissipation effect, increase electric elements.
Description
Technical field
The present invention relates to a kind of metal core printed board and its manufacture crafts.
Background technique
The development of high-quality precision and sophisticated technology at any time at present, the miniaturization of device are the inexorable trends of electronic technology rapid development, by
In the micromation of device and the application of High Density Packaging Technology, make on the surface of limited printed circuit board, is mounted with a large amount of
Device and also the distance between device it is extremely short, the amount of electric elements heat dissipation is opposite to be concentrated again, and heat is not volatile, causes to print
Circuit board temperature rise processed is increased, and will lead to device performance decline when serious, and complete machine running precision is poor.
Summary of the invention
The purpose of the present invention is to overcome the shortcomings of the existing technology, provides compact-sized one kind, good heat dissipation effect, increases electricity
The metal core printed board and its manufacture craft of the installation space of device element.
The purpose of the present invention is achieved through the following technical solutions: a kind of metal core printed board, it include printed circuit board,
Copper sheet and radiator open up fluted, on the bottom surface of groove and along its length side on the top surface of the printed circuit board
To multiple lower radiation tooths are installed with, copper sheet is placed on the top surface of lower radiation tooth, copper sheet is located in groove, the printed circuit
It is provided with radiator at the top of plate, radiator includes heat sink and upper radiation tooth, and heat sink is set to the top of printed circuit board
On surface, it is installed with multiple upper radiation tooths on the bottom surface of printed circuit board and along its length, upper radiation tooth is located at groove
It is interior, it is bonded with heat-conducting glue layer on the bottom surface of the printed circuit board, is bonded with nickel plate on the bottom surface of heat-conducting glue layer.
Multiple threaded holes are offered on the top surface of the printed circuit board.
Offer multiple through-holes corresponding with threaded hole on the heat sink, the heat sink through screw through through-hole and
It is connected and fixed on printed circuit board with threaded hole.
The manufacture craft of the metal core printed board, it the following steps are included:
S1, using milling machine, Milling Process goes out groove on the top surface of printed circuit board, bottom surface of the worker in groove after processing
The upper multiple lower radiation tooths of welding；
S2, worker are bonded heat-conducting glue layer on the bottom surface of printed circuit board, and nickel plate is then bonded in heat-conducting glue layer；
S3, worker are respectively mounted electric elements in the top surface and bottom surface of copper sheet, and copper sheet is placed in the top of lower radiation tooth
On surface；
S4, worker use drilling machine auger shell pit on the top surface of printed circuit board, and in the corresponding position holes drilled through of heat sink,
Then people is threadedly coupled through through-hole and by screw with threaded hole, and heat sink is fixed on to the top surface of printed circuit board
On, to finally realize the production of metal core printed board.
The invention has the following advantages that the installation space of compact-sized, good heat dissipation effect, increase electric elements.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Specific embodiment
The present invention will be further described with reference to the accompanying drawing, and protection scope of the present invention is not limited to as described below:
As shown in Figure 1, a kind of metal core printed board, it includes printed circuit board 1, copper sheet 2 and radiator, the printed circuit
It opens up fluted 3 on the top surface of plate 1, is installed on the bottom surface of groove 3 and along its length multiple lower radiation tooths 4, under
Copper sheet 2 is placed on the top surface of radiation tooth 4, copper sheet 2 is located in groove 3, and heat dissipation dress is provided at the top of the printed circuit board 1
It sets, radiator includes heat sink 6 and upper radiation tooth 7, and heat sink 6 is set on the top surface of printed circuit board 1, printed circuit
It is installed with multiple upper radiation tooths 7 on the bottom surface of plate 1 and along its length, upper radiation tooth 7 is located in groove 3, the printing
It is bonded with heat-conducting glue layer 8 on the bottom surface of circuit board 1, nickel plate 9 is bonded on the bottom surface of heat-conducting glue layer 8.
Multiple threaded holes 10 are offered on the top surface of the printed circuit board 1.Offered on the heat sink 6 it is multiple with
The corresponding through-hole of threaded hole 10, the heat sink 6 are connected and fixed on printing electricity through screw 11 through through-hole and with threaded hole 10
On road plate 1.
As shown in Figure 1, the manufacture craft of the metal core printed board, it the following steps are included:
S1, using milling machine, Milling Process goes out groove 3 on the top surface of printed circuit board 1, bottom table of the worker in groove 3 after processing
Multiple lower radiation tooths 4 are welded on face；
S2, worker are bonded heat-conducting glue layer 8 on the bottom surface of printed circuit board 1, and nickel plate 9 is then bonded in heat-conducting glue layer 8；
S3, worker are respectively mounted electric elements in the top surface and bottom surface of copper sheet 2, and copper sheet 2 is placed in lower radiation tooth 4
On top surface；Due to the mountable electric elements in two faces of copper sheet 2, the installation number of electric elements is increased, is compared
Tradition can be only installed on a face of printed circuit board, be greatly saved electric elements installation space；
S4, worker use drilling machine auger shell pit 10 on the top surface of printed circuit board 1, and bore in the corresponding position of heat sink 6
Through-hole, then people is threadedly coupled through through-hole and by screw 11 with threaded hole 10, and heat sink 6 is fixed on printed circuit board
On 1 top surface, to finally realize the production of metal core printed board.
After generating amount of heat when electrical components work, heat is largely concentrated on copper sheet 2, and a part of heat is dissipated through upper
Hot tooth 7 passes to heat sink 6, then passes to the external world by upper radiation tooth 7；Another part heat transfer to printed circuit board 1, then by
Lower radiation tooth 4 passes to printed circuit board 1, then passes to heat-conducting glue layer 8 by printed circuit board 1, is finally transmitted by heat-conducting glue layer 8
To nickel plate 9, to realize two parts heat dissipation, heat build-up is avoided, has the characteristics that good heat dissipation effect, extends metal core
The service life of printed board.
The above is only a preferred embodiment of the present invention, it should be understood that the present invention is not limited to described herein
Form should not be regarded as an exclusion of other examples, and can be used for other combinations, modifications, and environments, and can be at this
In the text contemplated scope, modifications can be made through the above teachings or related fields of technology or knowledge.And those skilled in the art institute into
Capable modifications and changes do not depart from the spirit and scope of the present invention, then all should be in the protection scope of appended claims of the present invention
It is interior.
Claims (4)
1. a kind of metal core printed board, it is characterised in that: it includes printed circuit board (1), copper sheet (2) and radiator, described
It opens up on the top surface of printed circuit board (1) fluted (3), is installed on the bottom surface of groove (3) and along its length more
A lower radiation tooth (4) is placed with copper sheet (2) on the top surface of lower radiation tooth (4), and copper sheet (2) is located in groove (3), the print
It is provided with radiator at the top of circuit board (1) processed, radiator includes heat sink (6) and upper radiation tooth (7), and heat sink (6) is set
It is placed on the top surface of printed circuit board (1), on the bottom surface of printed circuit board (1) and is installed on multiple along its length
Radiation tooth (7), upper radiation tooth (7) are located in groove (3), are bonded with heat-conducting glue layer on the bottom surface of the printed circuit board (1)
(8), nickel plate (9) are bonded on the bottom surface of heat-conducting glue layer (8).
2. a kind of metal core printed board according to claim 1, it is characterised in that: the top surface of the printed circuit board (1)
On offer multiple threaded holes (10).
3. a kind of metal core printed board according to claim 1, it is characterised in that: offered on the heat sink (6) multiple
Through-hole corresponding with threaded hole (10), the heat sink (6) connect solid through screw (11) through through-hole and with threaded hole (10)
Due on printed circuit board (1).
4. the manufacture craft of metal core printed board described according to claim 1 ~ any one of 3, it is characterised in that: it include with
Lower step:
S1, using milling machine, Milling Process goes out groove (3) on the top surface of printed circuit board (1), and worker is in groove (3) after processing
Bottom surface on weld multiple lower radiation tooths (4)；
S2, worker are bonded heat-conducting glue layer (8) on the bottom surface of printed circuit board (1), are then bonded nickel on heat-conducting glue layer (8)
Plate (9)；
S3, worker are respectively mounted electric elements in the top surface and bottom surface of copper sheet (2), and copper sheet (2) is placed in lower heat dissipation
On the top surface of tooth (4)；
S4, worker use drilling machine auger shell pit (10) on the top surface of printed circuit board (1), and the correspondence in heat sink (6)
Position holes drilled through, then people is threadedly coupled through through-hole and by screw (11) with threaded hole (10), and heat sink (6) are fixed
On the top surface of printed circuit board (1), to finally realize the production of metal core printed board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910429721.7A CN110072332A (en) | 2019-05-22 | 2019-05-22 | A kind of metal core printed board and its manufacture craft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910429721.7A CN110072332A (en) | 2019-05-22 | 2019-05-22 | A kind of metal core printed board and its manufacture craft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110072332A true CN110072332A (en) | 2019-07-30 |
Family
ID=67371328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910429721.7A Pending CN110072332A (en) | 2019-05-22 | 2019-05-22 | A kind of metal core printed board and its manufacture craft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110072332A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111683475A (en) * | 2020-06-29 | 2020-09-18 | 四川海英电子科技有限公司 | Production method of composite high-frequency circuit board |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2703295Y (en) * | 2004-04-19 | 2005-06-01 | 佛山市国星光电科技有限公司 | LED light source module for mark plate |
| CN103079356A (en) * | 2012-12-27 | 2013-05-01 | 深圳市五株科技股份有限公司 | Manufacturing process for copper-based printed circuit board with embedded circuits |
| CN108966483A (en) * | 2018-08-01 | 2018-12-07 | 四川海英电子科技有限公司 | A kind of manufacture craft of novel high thermal conductivity high-order high-density printed circuit board |
-
2019
- 2019-05-22 CN CN201910429721.7A patent/CN110072332A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2703295Y (en) * | 2004-04-19 | 2005-06-01 | 佛山市国星光电科技有限公司 | LED light source module for mark plate |
| CN103079356A (en) * | 2012-12-27 | 2013-05-01 | 深圳市五株科技股份有限公司 | Manufacturing process for copper-based printed circuit board with embedded circuits |
| CN108966483A (en) * | 2018-08-01 | 2018-12-07 | 四川海英电子科技有限公司 | A kind of manufacture craft of novel high thermal conductivity high-order high-density printed circuit board |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111683475A (en) * | 2020-06-29 | 2020-09-18 | 四川海英电子科技有限公司 | Production method of composite high-frequency circuit board |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190730 |
|
| RJ01 | Rejection of invention patent application after publication |