CN106550558A - A kind of pressing preparation method of embedding ceramic pcb board - Google Patents

A kind of pressing preparation method of embedding ceramic pcb board Download PDF

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Publication number
CN106550558A
CN106550558A CN201611111230.0A CN201611111230A CN106550558A CN 106550558 A CN106550558 A CN 106550558A CN 201611111230 A CN201611111230 A CN 201611111230A CN 106550558 A CN106550558 A CN 106550558A
Authority
CN
China
Prior art keywords
copper
clad plate
gong
groove
outer layer
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
Application number
CN201611111230.0A
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Chinese (zh)
Inventor
肖鑫
高团芬
刘中丹
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Sun & Lynn Circuits Co Ltd
Original Assignee
Shenzhen Sun & Lynn Circuits Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shenzhen Sun & Lynn Circuits Co Ltd filed Critical Shenzhen Sun & Lynn Circuits Co Ltd
Priority to CN201611111230.0A priority Critical patent/CN106550558A/en
Publication of CN106550558A publication Critical patent/CN106550558A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00Apparatus or processes for manufacturing printed circuits
    • H05K3/46Manufacturing multilayer circuits
    • H05K3/4611Manufacturing multilayer circuits by laminating two or more circuit boards
    • H05K3/4626Manufacturing multilayer circuits by laminating two or more circuit boards characterised by the insulating layers or materials
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00Printed circuits
    • H05K1/02Details
    • H05K1/0201Thermal arrangements, e.g. for cooling, heating or preventing overheating
    • H05K1/0203Cooling of mounted components
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/01Dielectrics
    • H05K2201/0137Materials
    • H05K2201/0175Inorganic, non-metallic layer, e.g. resist or dielectric for printed capacitor
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/10Details of components or other objects attached to or integrated in a printed circuit board
    • H05K2201/10227Other objects, e.g. metallic pieces
    • H05K2201/10416Metallic blocks or heatsinks completely inserted in a PCB

Abstract

The invention provides a kind of pressing preparation method of embedding ceramic pcb board, including:Make central layer;Make outer layer copper-clad plate;PP and the outer layer copper-clad plate made are sequentially placed in the upper and lower surface of central layer, and correspondence is pressed.The present invention is by the corresponding gong groove and correspondence gong inside groove in central layer at pad locations in outer layer copper-clad plate, and potsherd is correspondingly embedded in the inside groove of central layer, and the two ends correspondence of potsherd is embedded into through after PP in the groove of outer layer copper-clad plate, as potsherd is located at below pad, and its small volume, therefore, it is possible to the heat that the LED welded on pad modules are produced timely is exhaled.Compared with prior art, the present invention substantially increases the heat-sinking capability of product, reduces the manufacturing cost of product, effectively raises the manufacturing process ability of embedding ceramic pcb board pressing.

Description

A kind of pressing preparation method of embedding ceramic pcb board
Technical field
The invention belongs to printed wiring board manufacture technology field, and in particular to be a kind of pressing system of embedding ceramic pcb board Make method.
Background technology
With the fast development of LED illumination industry, printed circuit board scale and the technology of LED module are constantly updated.But The luminous efficiency of LED is only 20%-30% at present, and its complementary energy is converted into mostly thermal waste and falls, and in order to ensure that LED's is normal The heat that these produce is distributed by work and the service life of prolongation LED, needs in time.Therefore, in LED fast developments Meanwhile, LED heat dissipation technologys are also evolving.
LED printed circuit boards radiating at present mainly adopts metal substrate, ceramic substrate, high heat conduction plastic material or embedding ceramics PCB etc..Wherein pressed together with insulating resin between metal substrate and Copper Foil, the capacity of heat transmission cannot meet LED The requirement of product, and the ceramic board size in ceramics PCB and embedding ceramic PCB can not do too big, generally all in 250mm × 250mm Within, otherwise cost of manufacture will be multiplied, and also plate such as sticks up at the quality risk, and ceramic wafer also needs to carry out thickness in addition Cost control, if it exceeds 1.0mm, its cost will be multiplied.
The content of the invention
For this purpose, it is an object of the invention to provide a kind of low manufacture cost, production efficiency is high, good heat dissipation effect embedding ceramics The pressing preparation method of pcb board.
The purpose of the present invention is achieved through the following technical solutions.
A kind of pressing preparation method of embedding ceramic pcb board, including:
Make central layer;
Make outer layer copper-clad plate;
PP and the outer layer copper-clad plate made are sequentially placed in the upper and lower surface of central layer, and correspondence is pressed.
Preferably, make central layer to specifically include:Sawing sheet, drilling, inner figure making, gong central layer groove.
Preferably, the gong central layer groove includes:Slotted eye of the specified location gong through whole central layer on central layer, and in the groove Potsherd, and the thickness of the potsherd are correspondingly embedded in hole more than the thickness of central layer.
Preferably, make outer layer copper-clad plate to specifically include:Sawing sheet, drilling, inner figure making, gong outer layer copper-clad plate groove, Wherein institute's gong outer layer copper-clad plate groove is identical with the corresponding size of the central layer groove location, and potsherd projection correspondence is located at In the outer layer copper-clad plate groove that gong goes out.
Preferably, institute's gong outer layer copper-clad plate groove gong run through outer layer copper-clad plate, and with outer layer copper-clad plate on pad locations pair Should.
Preferably, in the outer layer copper-clad plate groove that potsherd projection correspondence goes out positioned at gong, and with outer layer copper-clad plate Medial plane flush.
The present invention is by corresponding to the gong groove and correspondence gong inside groove in central layer at pad locations in outer layer copper-clad plate, and incites somebody to action Potsherd is correspondingly embedded in the inside groove of central layer, and makes the corresponding groove for being embedded into outer layer copper-clad plate through after PP in two ends of potsherd In, as potsherd is located at below pad, and its small volume, the heat that the LED modules therefore, it is possible to will weld on pad are produced Amount is timely exhaled.Compared with prior art, the present invention substantially increases the heat-sinking capability of product, reduces the system of product This is caused, the manufacturing process ability of embedding ceramic pcb board pressing is effectively raised.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, with reference to embodiments, to the present invention It is further elaborated.It should be appreciated that specific embodiment described herein is not used to only to explain the present invention Limit the present invention.
The invention provides a kind of pressing preparation method of embedding ceramic pcb board, which includes a kind of embodiment, and which specifically includes Following steps:
Make central layer:Sawing sheet, drilling, inner figure making, gong central layer groove.Wherein described gong central layer groove includes:Refer on central layer Positioning puts slotted eye of the gong through whole central layer, and potsherd is correspondingly embedded in the slotted eye, and the thickness of the potsherd is more than The thickness of central layer.
Make outer layer copper-clad plate:Sawing sheet, drilling, inner figure making, gong outer layer copper-clad plate groove, wherein institute's gong outer layer cover copper Board slot is identical with the corresponding size of the central layer groove location, and the outer layer copper-clad plate that potsherd projection correspondence goes out positioned at gong In groove.
The potsherd for making appointed thickness is correspondingly embedded in the groove of central layer
Pressing:PP and the outer layer copper-clad plate made are sequentially placed in the upper and lower surface of central layer, and correspondence is pressed.Wherein PP Upper correspondence opens a window, and opened a window size is in the same size with the hole of gong groove, so as to potsherd can be passed through and be correspondingly embedded in outer layer cover In copper coin.
It should be noted that in the corresponding outer layer copper-clad plate groove gone out positioned at gong of potsherd projection, and copper is covered with outer layer The medial plane of plate is flushed.And the line pad position being correspondingly formed in outer layer copper-clad plate and embedded potsherd position pair Should, when correspondence welding LED module on pad, can be radiated by potsherd.
In addition, present invention also offers another embodiment, which specifically includes following steps:
Sawing sheet:Choosing one block of FR4 glass mat and two pieces of copper-clad plates carries out sawing sheet according to preliminary dimension size, by large scale Supplied materials cut into production required for size.
Drilling:Brill location hole is carried out to the FR4 glass mats after sawing sheet and copper-clad plate, to follow-up Making programme and client Assembling provided auxiliary.
Inner figure:Internal layer drawing making is carried out to copper-clad plate, by the inner figure made correspondence through nog plate, patch Develop on the internal layer copper face of copper-clad plate after film, exposure.
Internal layer is etched:Retain the circuit pack of needs after imaging, remove the redundance beyond circuit.
Gong groove:Carry out gong inside groove to FR4 glass mats and copper-clad plate respectively, the interior groove location size of wherein institute's gong is right Should, the inside groove shape of institute's gong can be circle, rectangle or other shapes.
Brown:Brown process is carried out to copper-clad plate, to increase the roughness of copper-clad plate inner plating copper face.
Pressing:Correspondence is made on PP, and the PP be first provided with window corresponding with gong groove location, then will make Potsherd is correspondingly embedded in the groove of FR4 glass mats, and PP correspondences are attached to the upper and lower surface of FR4 glass mats afterwards, And enable potsherd to be each passed through the windowing of upper and lower PP, then on upper and lower two PP, the interior copper face of correspondence and copper-clad plate is pasted Close, and potsherd is correspondingly embedded in the inside groove that copper-clad plate institute gong goes out, then pressed by press.Wherein potsherd Thickness is equal to the thickness sum of FR4 glass mats and two pieces of copper-clad plates.
In the present embodiment, PP refers to prepreg, is placed between two layers of copper, plays and completely cuts off and cause the bonding of two layers of copper Effect.
Practice shooting mark hole, gong housing, nog plate, except gummosis, drilling, de-smear, sink copper, electric plating of whole board.
Outer graphics:Outer graphics making is carried out to the outer layer copper face of above-mentioned copper-clad plate, wherein setting on the outer graphics Be equipped with for welding the pad locations of LED module or chip or the larger module of other caloric values, and the pad locations with it is embedded Potsherd position correspondence.
Outer layer is etched:Retain the circuit pack of needs after imaging, remove the redundance beyond circuit.
Welding resistance, character, test, gong plate, board-washing, silk-screen, OSP, FQC, FQA, packaging, shipment are carried out afterwards.
Presently preferred embodiments of the present invention is the foregoing is only, not to limit the present invention, all essences in the present invention Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.

Claims (7)

1. a kind of pressing preparation method of embedding ceramic pcb board, it is characterised in that include:
Make central layer;
Make outer layer copper-clad plate;
PP and the outer layer copper-clad plate made are sequentially placed in the upper and lower surface of central layer, and correspondence is pressed.
2. the pressing preparation method of embedding ceramic pcb board as claimed in claim 1, it is characterised in that make central layer and specifically include: Sawing sheet, drilling, inner figure making, gong central layer groove.
3. the pressing preparation method of embedding ceramic pcb board as claimed in claim 2, it is characterised in that the gong central layer groove includes: Slotted eye of the specified location gong through whole central layer on central layer, and potsherd, and the potsherd are correspondingly embedded in the slotted eye Thickness more than central layer thickness.
4. the pressing preparation method of embedding ceramic pcb board as claimed in claim 3, it is characterised in that make outer layer copper-clad plate tool Body includes:Sawing sheet, drilling, inner figure making, wherein gong outer layer copper-clad plate groove, institute's gong outer layer copper-clad plate groove and the central layer groove Position correspondence size is identical, and potsherd projection correspondence is located in the groove that outer layer copper-clad plate gong goes out.
5. the pressing preparation method of embedding ceramic pcb board as claimed in claim 4, it is characterised in that institute's gong central layer groove and outer layer Copper-clad plate groove needs gong to wear, and corresponding with the pad locations on outer layer copper-clad plate circuit.
6. the pressing preparation method of embedding ceramic pcb board as claimed in claim 5, it is characterised in that the potsherd protuberance Divide in the outer layer copper-clad plate groove that correspondence goes out positioned at gong, and flush with the medial plane of outer layer copper-clad plate.
7. a kind of pressing preparation method of embedding ceramic pcb board, it is characterised in that include:
Sawing sheet:Choosing one block of FR4 glass mat and two pieces of copper-clad plates carries out sawing sheet according to preliminary dimension size, by large scale Supplied materials cut into production required for size;
Drilling:Brill location hole is carried out to the FR4 glass mats after sawing sheet and copper-clad plate;
Inner figure:The inner figure made is developed on the internal layer copper face of copper-clad plate, and carries out internal layer and etch to form line Road;
Gong groove:Carry out gong inside groove to FR4 glass mats and copper-clad plate respectively, the interior groove location size of wherein institute's gong is corresponded to;
Pressing:Correspondence on PP, and the PP is made first and is provided with window corresponding with gong groove location, then by the ceramics made Piece is correspondingly embedded in the groove of FR4 glass mats, PP correspondences is attached to the upper and lower surface of FR4 glass mats afterwards, and is made The windowing that potsherd can be each passed through upper and lower PP is obtained, then correspondence is fitted with the interior copper face of copper-clad plate on upper and lower two PP, and Potsherd is correspondingly embedded in the inside groove that copper-clad plate institute gong goes out, then pressed by press;
Wherein the thickness of potsherd is equal to the thickness sum that FR4 glass mats add two PP and two outer layer copper-clad plates;
Outer graphics:Outer graphics making is carried out to the outer layer copper face of above-mentioned copper-clad plate, wherein being provided with the outer graphics For welding the pad locations of LED module or chip or the larger module of other caloric values, and the pad locations and embedded pottery Ceramics position correspondence;
Outer layer is etched:Retain the circuit pack of needs after imaging, remove the redundance beyond circuit;
Welding resistance, character, test, gong plate, board-washing, silk-screen, OSP, FQC, FQA, packaging, shipment are carried out afterwards.
CN201611111230.0A 2016-12-06 2016-12-06 A kind of pressing preparation method of embedding ceramic pcb board Pending CN106550558A (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106852034A (en) * 2017-04-10 2017-06-13 昆山苏杭电路板有限公司 The processing method of the high-accuracy auto lamp printed board of high heat conduction embedded ceramic piece
CN106879167A (en) * 2017-04-06 2017-06-20 昆山苏杭电路板有限公司 Double-face aluminium substrate of the embedded super-high heat-conductive ceramic block of high precision and preparation method thereof
CN107222983A (en) * 2017-06-09 2017-09-29 深圳市景旺电子股份有限公司 The pcb board and preparation method of a kind of embedded AlN ceramic insulating radiation module
CN107708315A (en) * 2017-10-31 2018-02-16 江苏贺鸿电子有限公司 A kind of ceramic embedded radiating circuit plate and preparation method thereof
CN107911935A (en) * 2017-10-31 2018-04-13 东莞翔国光电科技有限公司 A kind of pcb board processing method with reinforcing rib
CN107911937A (en) * 2017-11-10 2018-04-13 生益电子股份有限公司 The production method and PCB of a kind of PCB
CN108419372A (en) * 2018-05-14 2018-08-17 深圳市深联电路有限公司 A kind of new-energy automobile power battery test system current-carrying board manufacturing method
CN108419373A (en) * 2018-05-14 2018-08-17 深圳市深联电路有限公司 A kind of copper-based board manufacturing method for New-energy electric vehicle BMS protections
CN108650804A (en) * 2018-05-14 2018-10-12 深圳市深联电路有限公司 A kind of new-energy automobile PDU high-voltage control circuit board manufacturing methods
CN108990254A (en) * 2017-06-01 2018-12-11 瑷司柏电子股份有限公司 Built-in longitudinal direction heat dissipation ceramic printed circuit board and the circuit unit for having the circuit board
CN109699115A (en) * 2017-10-23 2019-04-30 苏州旭创科技有限公司 Optical module
CN111315142A (en) * 2020-03-24 2020-06-19 四川英创力电子科技股份有限公司 Processing technology of MPI foam cotton mixed pressing plate
CN113630986A (en) * 2021-07-14 2021-11-09 广东世运电路科技股份有限公司 Ceramic-embedded PCB and manufacturing method and application thereof

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CN103369821A (en) * 2013-07-25 2013-10-23 东莞生益电子有限公司 PCB (printed circuit board) with high-density interconnection design and heat dissipation structure and manufacturing method thereof
CN103402333A (en) * 2013-07-25 2013-11-20 东莞生益电子有限公司 Printed circuit board (PCB) with high-density interconnection design and heat radiation structure, and manufacturing method thereof

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US5944097A (en) * 1997-05-06 1999-08-31 Northrop Grumman Corporation Composite substrate carrier for high power electronic devices
CN101790290A (en) * 2010-01-22 2010-07-28 东莞生益电子有限公司 Method for manufacturing embedded high-conductivity printed circuit board (PCB)
CN102315208A (en) * 2011-09-09 2012-01-11 福建省万邦光电科技有限公司 LED (Light-Emitting Diode) light-source packaging structure with inlaid ceramic plate
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Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106879167A (en) * 2017-04-06 2017-06-20 昆山苏杭电路板有限公司 Double-face aluminium substrate of the embedded super-high heat-conductive ceramic block of high precision and preparation method thereof
CN106879167B (en) * 2017-04-06 2023-11-28 昆山苏杭电路板有限公司 Double-sided aluminum substrate with high precision and embedded ultrahigh heat conduction ceramic blocks and manufacturing method thereof
CN106852034A (en) * 2017-04-10 2017-06-13 昆山苏杭电路板有限公司 The processing method of the high-accuracy auto lamp printed board of high heat conduction embedded ceramic piece
CN108990254A (en) * 2017-06-01 2018-12-11 瑷司柏电子股份有限公司 Built-in longitudinal direction heat dissipation ceramic printed circuit board and the circuit unit for having the circuit board
CN108990254B (en) * 2017-06-01 2021-04-16 瑷司柏电子股份有限公司 Printed circuit board with built-in longitudinal heat dissipation ceramic block and circuit assembly with same
CN107222983A (en) * 2017-06-09 2017-09-29 深圳市景旺电子股份有限公司 The pcb board and preparation method of a kind of embedded AlN ceramic insulating radiation module
CN107222983B (en) * 2017-06-09 2019-05-03 深圳市景旺电子股份有限公司 A kind of pcb board and production method of embedded AlN ceramic insulating radiation module
CN109699115A (en) * 2017-10-23 2019-04-30 苏州旭创科技有限公司 Optical module
CN107911935B (en) * 2017-10-31 2020-05-15 广东和润新材料股份有限公司 Method for processing PCB with reinforcing ribs
CN107911935A (en) * 2017-10-31 2018-04-13 东莞翔国光电科技有限公司 A kind of pcb board processing method with reinforcing rib
CN107708315A (en) * 2017-10-31 2018-02-16 江苏贺鸿电子有限公司 A kind of ceramic embedded radiating circuit plate and preparation method thereof
CN107911937A (en) * 2017-11-10 2018-04-13 生益电子股份有限公司 The production method and PCB of a kind of PCB
CN108650804A (en) * 2018-05-14 2018-10-12 深圳市深联电路有限公司 A kind of new-energy automobile PDU high-voltage control circuit board manufacturing methods
CN108419373A (en) * 2018-05-14 2018-08-17 深圳市深联电路有限公司 A kind of copper-based board manufacturing method for New-energy electric vehicle BMS protections
CN108419372A (en) * 2018-05-14 2018-08-17 深圳市深联电路有限公司 A kind of new-energy automobile power battery test system current-carrying board manufacturing method
CN108419373B (en) * 2018-05-14 2020-08-28 深圳市深联电路有限公司 Copper substrate manufacturing method for BMS protection of new energy electric vehicle
CN111315142A (en) * 2020-03-24 2020-06-19 四川英创力电子科技股份有限公司 Processing technology of MPI foam cotton mixed pressing plate
CN113630986A (en) * 2021-07-14 2021-11-09 广东世运电路科技股份有限公司 Ceramic-embedded PCB and manufacturing method and application thereof

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