CN104125724B - Production process for PCB (Printed Circuit Board) metal half-hole products - Google Patents
Production process for PCB (Printed Circuit Board) metal half-hole products Download PDFInfo
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- CN104125724B CN104125724B CN201410354079.8A CN201410354079A CN104125724B CN 104125724 B CN104125724 B CN 104125724B CN 201410354079 A CN201410354079 A CN 201410354079A CN 104125724 B CN104125724 B CN 104125724B
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- copper
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- clad plate
- circuit board
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Abstract
The invention discloses a production process for PCB (Printed Circuit Board) metal half-hole products. The production process for the PCB metal half-hole products sequentially comprises the following steps of A cutting; B drilling; C copper plating; D board plating; E circuit; F pattern plating; G secondary drilling; H alkaline etching; I in-process inspection; J hole plugging; K green oil; L character; M forming; N electricity test; O final quality control; P protective layer; Q final quality guarantee; R package. The production process for the PCB metal half-hole products aims at overcoming disadvantages in the prior art, is simple and enables machine to be convenient and copper layers inside half holes to be not easy to fall off.
Description
Technical field
The present invention relates to a kind of production technology of PCB metals half bore product.
Background technology
With the progress of science and technology, printed circuit board (PCB) is in being widely applied that electronic applications are obtained.Printed circuit board (PCB) because
Have the advantages that packaging density high and be widely used.Pcb board also known as printed circuit board (PCB), printed substrate, to insulate
Plate is base material, is cut into certain size, at least has a conductive pattern thereon, and is furnished with hole, for replacing conventional device electronics
The chassis of components and parts, and realize being connected with each other between electronic devices and components.As this plate is made using electron printing,
Therefore it is referred to as printed circuit board (PCB).But during actual fabrication, circular hole is typically provided with pcb board for completing some functions,
Circular hole area is big, not easy to operate.Therefore on pcb board sometimes for half bore realizing different functions.Existing PCB metals
Half bore technique is relatively complicated, and layers of copper easily comes off in half bore course of processing mesopore.So existing PCB metals half bore
Technique awaits further perfect.
The content of the invention
It is the invention aims to overcome weak point of the prior art, there is provided a kind of process is simple, easy to process,
The production technology of layers of copper PCB metal half bore products difficult for drop-off in half bore.
In order to achieve the above object, the present invention adopts below scheme：
A kind of production technology of PCB metals half bore product, it is characterised in that comprise the following steps successively：
A, sawing sheet：Copper-clad plate is cut out meeting the size of design requirement；
B, drilling：Circular hole is got out by design requirement on the periphery of copper-clad plate in step；Get out in the copper-clad plate and lead
Through hole；
C, heavy copper：In step B, copper-clad plate is after pretreatment, by the way of electroless copper plating copper-clad plate circular hole and lead
One layer of copper is formed in through-hole surfaces；
D, plate electricity：One layer of copper is electroplated on copper-clad plate surface in step C；
E, circuit：Stick in copper-clad plate in step D and draw the photosensitive dry film for having layout, exposure, development, by film
On layout be transferred in copper-clad plate；
F, graphic plating：Copper-clad plate in step E is electroplated, the layers of copper as layout is thickeied；
G, secondary drilling：In step F the circular hole of copper-clad plate treat gong semicircle both sides get out width more than >=0.08mm into
Molded line groove；
H, alkali etching：Using copper-clad plate surface logicalnot circuit copper in alkaline etching liquid eating away step G, and by copper-clad plate
Dry film is all returned, and exposes circuit；
I, middle inspection：Copper-clad plate in checking step H whether there is function or apparent defect；
J, consent：Yellow solder mask is filled in via using jack device；
K, green oil：In copper-clad plate in step J, one layer of silk-screen plays the green oil of anti-welding, insulating effect；
L, character：In step K, silk-screen goes out as the word recognized when playing element；
M, molding：Copper-clad plate periphery treated into that gong semicircle gong goes using gong machine, the circuit board with finished product semicircle is obtained；
N, electrical testing：Open circuit, short circuit to the circuit board in step M detects that the network state for checking circuit board is
It is no to meet design requirement；
O, final quality control：
In P, detecting step O, whether the outward appearance of circuit board, thickness, overall dimensions, aperture meet the requirements；
Q, protective layer：One layer of antioxidant is coated on circuit board in stepp, makes circuit board surface form one layer of protection
Film；
R, final quality ensure：Finished product inspection, is confirmed whether functional and problem of appearance；
S, packaging：Circuit board packaging in step R is preserved.
A kind of production technology of PCB metals half bore product as above, it is characterised in that the alkaline etching liquid in step H
It is composed of the following components by weight percentage：
A kind of production technology of PCB metals half bore product as above, it is characterised in that the consent dress described in step J
Put and include base, ventilative backing plate is provided with the base, circuit board is placed with the ventilative backing plate, in the circuit
Consent wire mark brush board is provided with plate, consent doctor blade device is provided with above the consent wire mark brush board, in the ventilative backing plate
Lower section is provided with can be with the synchronization-moving air extractor of consent doctor blade device, and described air extractor includes evacuating plate, described
Pumping chamber is provided with evacuating plate, the pumping pipe connector being connected with the pumping chamber, institute are provided with the evacuating plate side
State pumping pipe connector to be connected with air extractor, several aspirating holes are densely covered with the evacuating plate upper surface, described
Evacuating plate below be provided with slide block, described slide block is set on slide rail, and the slide rail is arranged on the base, is taken out described
The driving means that can order about that evacuating plate is moved on slide rail are connected with gas plate；The consent doctor blade device is included and is arranged on bottom
Support on seat, is movably set with the horizontal guide rail that can be moved up and down on the bracket, is arranged with the horizontal guide rail
Consent scraper, is provided with the consent scraper and is connected with the driving dress that the consent scraper can be driven to move on horizontal guide rail
Put, be provided with the elevating mechanism that can order about that horizontal guide rail is moved up and down on the bracket；The driving means include stepping electricity
Machine, is provided with driving wheel on the motor shaft of the motor；Described elevating mechanism is included and is fixedly connected on support
Cylinder, is connected with lifting slider on the cylinder axis of the cylinder, the lifting slider is arranged on the bracket, and the level is led
The end of rail is connected on lifting slider；An inclined-plane is provided with machining direction side below described consent scraper, it is described oblique
Face is arranged into 30 ° with consent scraper end；Described ventilative backing plate includes plate body, is densely covered with several saturating on the plate body
Pore.
In sum, the present invention relative to prior art its advantage is：
Present invention process is simple, easy to process, arranges the precision of product when forming line slot is effectively ensured gong half bore；Using this
Invention jack device consent is convenient and swift, and consent effect is good.
Description of the drawings
Fig. 1 is the schematic diagram of jack device of the present invention；
Fig. 2 is the schematic diagram of evacuating plate of the present invention.
Specific embodiment
The invention will be further described with specific embodiment for explanation below in conjunction with the accompanying drawings：
A kind of production technology of PCB metals half bore product of the present invention is comprised the following steps successively：
A, sawing sheet：Copper-clad plate is cut out meeting the size of design requirement；
B, drilling：Circular hole is got out by design requirement on the periphery of copper-clad plate in step；Get out in the copper-clad plate and lead
Through hole；
C, heavy copper：In step B, copper-clad plate is after pretreatment, by the way of electroless copper plating copper-clad plate circular hole and lead
One layer of copper is formed in through-hole surfaces；
D, plate electricity：One layer of copper is electroplated on copper-clad plate surface in step C；
E, circuit：Stick in copper-clad plate in step D and draw the photosensitive dry film for having layout, exposure, development, by film
On layout be transferred in copper-clad plate；
F, graphic plating：Copper-clad plate in step E is electroplated, the layers of copper as layout is thickeied；
G, secondary drilling：In step F the circular hole of copper-clad plate treat gong semicircle both sides get out width more than >=0.08mm into
Molded line groove；
H, alkali etching：Using copper-clad plate surface logicalnot circuit copper in alkaline etching liquid eating away step G, and by copper-clad plate
Dry film is all returned, and exposes circuit；
I, middle inspection：Copper-clad plate in checking step H whether there is function or apparent defect；
J, consent：Yellow solder mask is filled in via using jack device；
K, green oil：In copper-clad plate in step J, one layer of silk-screen plays the green oil of anti-welding, insulating effect；
L, character：In step K, silk-screen goes out as the word recognized when playing element；
M, molding：Copper-clad plate periphery treated into that gong semicircle gong goes using gong machine, the circuit board with finished product semicircle is obtained；
N, electrical testing：Open circuit, short circuit to the circuit board in step M detects that the network state for checking circuit board is
It is no to meet design requirement；
O, final quality control：
In P, detecting step O, whether the outward appearance of circuit board, thickness, overall dimensions, aperture meet the requirements；
Q, protective layer：One layer of antioxidant is coated on circuit board in stepp, makes circuit board surface form one layer of protection
Film；
R, final quality ensure：Finished product inspection, is confirmed whether functional and problem of appearance；
S, packaging：Circuit board packaging in step R is preserved.
Alkaline etching liquid in step H of the present invention is composed of the following components by weight percentage：
As illustrated in fig. 1 and 2, a kind of circuit board yellow solder mask consent dress of jack device described in step J of the present invention
Put, include base 1, ventilative backing plate 2 is provided with the base 1, circuit board 3 is placed with the ventilative backing plate 2, in institute
State and on circuit board 3, be provided with consent wire mark brush board 4, consent doctor blade device 5 is provided with above the consent wire mark brush board 4, in institute
State that be provided with below ventilative backing plate 2 can be with 5 synchronization-moving air extractor 6 of consent doctor blade device.
Heretofore described air extractor 6 includes evacuating plate 61, is provided with pumping chamber, in institute in the evacuating plate 61
State 61 side of evacuating plate and be provided with the pumping pipe connector 62 being connected with the pumping chamber, it is described to be evacuated pipe connector 62 and take out
Device of air is connected, and several aspirating holes 63 are densely covered with 61 upper surface of the evacuating plate, below described evacuating plate 61
Slide block 64 is provided with, described slide block 64 is set on slide rail 65, and the slide rail 65 is arranged on the base 1, in the pumping
The driving means 7 that can order about that evacuating plate 61 is moved on slide rail 65 are connected with plate 61.
Air extractor 6 and 5 synchronizing moving of consent doctor blade device in the present invention, in consent doctor blade device 5 to consent wire mark brush
While 4 active force of plate, air extractor 6 is evacuated to 2 corresponding position of backing plate of breathing freely below consent doctor blade device 5, effectively
Yellow solder mask is filled up in hole, effectively prevent plug discontented or produce the defect of bubble and occur.Pumping dress
6 are put using arranging with 5 synchronizing moving formula of consent doctor blade device, hole is excessively taken out after the completion of effectively preventing consent and is caused hole Neihuang County color blocking
Solder paste ink interior suction causes bad defect outside portalling.
Heretofore described consent doctor blade device 5 includes the support 51 being arranged on base 1, living on the support 51
It is dynamic to be provided with the horizontal guide rail 52 that moved up and down, consent scraper 53 is arranged with the horizontal guide rail 52, in the consent
Scraper 53 is provided with and is connected with the driving means 7 that the consent scraper 53 can be driven to move on horizontal guide rail 52, at described
Frame 51 is provided with the elevating mechanism 8 that can order about that horizontal guide rail 52 is moved up and down.
Heretofore described driving means 7 include motor 71, are provided with the motor shaft of the motor 71
Driving wheel 72.Motor 71 in air extractor 6 is fixedly connected on evacuating plate 61, and described driving wheel 72 is arranged on slide rail
On 65.Motor 71 in consent doctor blade device 5 is fixedly connected on consent scraper 53, and described driving wheel 72 is arranged on water
On level gauge 52.
Heretofore described elevating mechanism 8 includes the cylinder 81 being fixedly connected on support 51, the cylinder 81
Lifting slider 82 is connected with cylinder axis, the lifting slider 82 is set on the support 51, the end of the horizontal guide rail 52
Portion is connected on lifting slider.
An inclined-plane 531, the inclined-plane 531 are provided with the present invention on machining direction side below described consent scraper 53
Arrange into 30 ° with 53 end of consent scraper.
Heretofore described ventilative backing plate 2 includes plate body 21, and several air-vents are densely covered with the plate body 21
22。
The ultimate principle and principal character and advantages of the present invention of the present invention has been shown and described above.The skill of the industry
Simply explanation of the art personnel it should be appreciated that the present invention is not restricted to the described embodiments, described in above-described embodiment and description
The principle of the present invention, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, these
Changes and improvements are both fallen within scope of the claimed invention.The claimed scope of the invention by appending claims and
Its equivalent thereof.
Claims (3)
1. a kind of production technology of PCB metals half bore product, it is characterised in that comprise the following steps successively：
A, sawing sheet：Copper-clad plate is cut out meeting the size of design requirement；
B, drilling：Circular hole is got out by design requirement on the periphery of copper-clad plate in step；Conducting is got out in the copper-clad plate
Hole；
C, heavy copper：In step B, copper-clad plate is after pretreatment, by the way of electroless copper plating copper-clad plate circular hole and via
One layer of copper is formed on surface；
D, plate electricity：One layer of copper is electroplated on copper-clad plate surface in step C；
E, circuit：Stick in copper-clad plate in step D and draw the photosensitive dry film for having layout, exposure, development, by film
Layout is transferred in copper-clad plate；
F, graphic plating：Copper-clad plate in step E is electroplated, the layers of copper as layout is thickeied；
G, secondary drilling：In step F, the circular hole of copper-clad plate treats that gong semicircle both sides get out form wire of the width more than >=0.08mm
Groove；
H, alkali etching：Using copper-clad plate surface logicalnot circuit copper in alkaline etching liquid eating away step G, and by the dry film in copper-clad plate
All return, expose circuit；
I, middle inspection：Copper-clad plate in checking step H whether there is function or apparent defect；
J, consent：Yellow solder mask is filled in via using jack device；
K, green oil：In copper-clad plate in step J, one layer of silk-screen plays the green oil of anti-welding, insulating effect；
L, character：In step K, silk-screen goes out as the word recognized when playing element；
M, molding：Copper-clad plate periphery treated into that gong semicircle gong goes using gong machine, the circuit board with finished product semicircle is obtained；
N, electrical testing：Open circuit, short circuit to the circuit board in step M detects whether the network state of inspection circuit board accords with
Close design requirement；
O, final quality control：In detecting step N, whether the outward appearance of circuit board, thickness, overall dimensions, aperture meet the requirements；
P, protective layer：One layer of antioxidant is coated on circuit board in step O, makes circuit board surface form layer protecting film；
Q, final quality ensure：Finished product inspection, is confirmed whether functional and problem of appearance；
R, packaging：Circuit board packaging in step Q is preserved.
2. a kind of production technology of PCB metals half bore product according to claim 1, it is characterised in that the alkali in step H
Property etching solution is composed of the following components by weight percentage：
3. the production technology of a kind of PCB metals half bore product according to claim 1, it is characterised in that described in step J
Jack device include base (1), ventilative backing plate (2) is provided with the base (1), is put on the ventilative backing plate (2)
Circuit board (3) is equipped with, consent wire mark brush board (4) is provided with the circuit board (3), on the consent wire mark brush board (4)
Side is provided with consent doctor blade device (5), and being provided with below the ventilative backing plate (2) can be synchronization-moving with consent doctor blade device (5)
Air extractor (6), described air extractor (6) include evacuating plate (61), in the evacuating plate (61) are provided with pumping chamber,
Evacuating plate (61) side is provided with the pumping pipe connector (62) being connected with the pumping chamber, the pumping pipe connector
(62) it is connected with air extractor, several aspirating holes (63) is densely covered with the evacuating plate (61) upper surface, described
Slide block (64) is provided with below evacuating plate (61), described slide block (64) is set on slide rail (65), and the slide rail (65) is arranged on
On the base (1), the driving that can order about that evacuating plate (61) is moved on slide rail (65) is connected with the evacuating plate (61)
Device (7)；The consent doctor blade device (5) includes the support (51) being arranged on base (1), living on the support (51)
It is dynamic to be provided with the horizontal guide rail (52) that moved up and down, consent scraper (53) is arranged with the horizontal guide rail (52), in institute
State consent scraper (53) be provided be connected with the consent scraper (53) can be driven to move on horizontal guide rail (52) driving dress
(7) are put, the elevating mechanism (8) that can order about that horizontal guide rail (52) is moved up and down is provided with the support (51)；It is described to drive dress
Put (7) and include motor (71), driving wheel (72) is provided with the motor shaft of the motor (71)；Described lifting
Mechanism (8) includes the cylinder (81) being fixedly connected on support (51), is connected with lifting on the cylinder axis of the cylinder (81)
Slide block (82), the lifting slider (82) are set on the support (51), and the end of the horizontal guide rail (52) is connected to liter
On drop slide block；An inclined-plane (531), the inclined-plane (531) are provided with machining direction side below described consent scraper (53)
Arrange into 30 ° with consent scraper (53) end；Described ventilative backing plate (2) includes plate body (21), on the plate body (21)
It is densely covered with several air-vents (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410354079.8A CN104125724B (en) | 2014-07-23 | 2014-07-23 | Production process for PCB (Printed Circuit Board) metal half-hole products |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410354079.8A CN104125724B (en) | 2014-07-23 | 2014-07-23 | Production process for PCB (Printed Circuit Board) metal half-hole products |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104125724A CN104125724A (en) | 2014-10-29 |
| CN104125724B true CN104125724B (en) | 2017-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410354079.8A Active CN104125724B (en) | 2014-07-23 | 2014-07-23 | Production process for PCB (Printed Circuit Board) metal half-hole products |
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| CN109719404A (en) * | 2019-01-15 | 2019-05-07 | 广东科翔电子科技有限公司 | A kind of method of IC support plate laser drill |
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| CN110636707A (en) * | 2019-09-25 | 2019-12-31 | 萍乡市丰达兴线路板制造有限公司 | Method for improving residual copper in half-hole plate of PCB (printed circuit board) |
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| CN103179805A (en) * | 2011-12-21 | 2013-06-26 | 珠海方正科技多层电路板有限公司 | Metal half hole molding method and manufacture method of printed circuit board |
| CN103179791A (en) * | 2011-12-21 | 2013-06-26 | 北大方正集团有限公司 | Metal half-hole forming method and printed circuit board manufacture method |
| CN103179802A (en) * | 2011-12-21 | 2013-06-26 | 北大方正集团有限公司 | Metal half-hole forming method and printed circuit board manufacture method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59227186A (en) * | 1983-06-08 | 1984-12-20 | 株式会社ヤマトヤ商会 | Method of producing copper through hole board |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103179805A (en) * | 2011-12-21 | 2013-06-26 | 珠海方正科技多层电路板有限公司 | Metal half hole molding method and manufacture method of printed circuit board |
| CN103179791A (en) * | 2011-12-21 | 2013-06-26 | 北大方正集团有限公司 | Metal half-hole forming method and printed circuit board manufacture method |
| CN103179802A (en) * | 2011-12-21 | 2013-06-26 | 北大方正集团有限公司 | Metal half-hole forming method and printed circuit board manufacture method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109719404A (en) * | 2019-01-15 | 2019-05-07 | 广东科翔电子科技有限公司 | A kind of method of IC support plate laser drill |
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| CN104125724A (en) | 2014-10-29 |
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