CN107660078A - Printed circuit board edges of boards semi-metal manufacture craft and its drilling equipment - Google Patents

Printed circuit board edges of boards semi-metal manufacture craft and its drilling equipment Download PDF

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Publication number
CN107660078A
CN107660078A CN201711036064.7A CN201711036064A CN107660078A CN 107660078 A CN107660078 A CN 107660078A CN 201711036064 A CN201711036064 A CN 201711036064A CN 107660078 A CN107660078 A CN 107660078A
Authority
CN
China
Prior art keywords
circuit board
connecting rod
vertical lifting
horizontal reciprocating
cam
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201711036064.7A
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Chinese (zh)
Other versions
CN107660078B (en
Inventor
李小钢
席大芳
张华�
杨拾妹
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.)
Huizhou And Xinda Circuit Board Co Ltd
Original Assignee
Huizhou And Xinda Circuit Board 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.)
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Publication date
Application filed by Huizhou And Xinda Circuit Board Co Ltd filed Critical Huizhou And Xinda Circuit Board Co Ltd
Priority to CN201711036064.7A priority Critical patent/CN107660078B/en
Publication of CN107660078A publication Critical patent/CN107660078A/en
Application granted granted Critical
Publication of CN107660078B publication Critical patent/CN107660078B/en
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Anticipated expiration legal-status Critical

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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
    • H05K3/0011Working of insulating substrates or insulating layers
    • H05K3/0044Mechanical working of the substrate, e.g. drilling or punching
    • H05K3/0047Drilling of holes
    • 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
    • H05K3/0085Apparatus for treatments of printed circuits with liquids not provided for in groups H05K3/02 - H05K3/46; conveyors and holding means therefor
    • H05K3/0088Apparatus for treatments of printed circuits with liquids not provided for in groups H05K3/02 - H05K3/46; conveyors and holding means therefor for treatment of holes
    • 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
    • H05K3/40Forming printed elements for providing electric connections to or between printed circuits
    • H05K3/42Plated through-holes or plated via connections
    • H05K3/422Plated through-holes or plated via connections characterised by electroless plating method; pretreatment therefor
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2203/00Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
    • H05K2203/02Details related to mechanical or acoustic processing, e.g. drilling, punching, cutting, using ultrasound
    • H05K2203/0214Back-up or entry material, e.g. for mechanical drilling

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Manufacturing Of Printed Wiring (AREA)
  • Printing Elements For Providing Electric Connections Between Printed Circuits (AREA)

Abstract

The present invention discloses a kind of printed circuit board edges of boards semi-metal manufacture craft and its drilling equipment.Technique comprises the following steps:Using " drilling equipment " to circuit boring;By all hole metallizations of circuit board by the way of electroless copper plating;Paste light-sensitive surface, the exposed plate face that circuitous pattern is transferred to circuit board;Electroplated copper thickeies layers of copper and tin plating protection circuit figure in hole;Using " drilling equipment " processing circuit board section semi-metal hole;Alkali etching goes capillary copper to pierce;The outward appearance shortcoming of circuitous pattern is examined by optical scanner;Circuit board pad patterns are accomplished into plate face, form permanent coating;Bitten by silk screen figure, component symbol, mark are printed onto to the plate face of circuit board;Surface solder is processed, lead-free tin spray or immersion Ni/Au;Open, be short-circuit in detection circuit board section semi-metal hole.Improve printed circuit board section semi-metal hole machined technological process, it is ensured that the integrality in printed circuit board section semi-metal hole.

Description

Printed circuit board edges of boards semi-metal manufacture craft and its drilling equipment
Technical field
The present invention relates to printed circuit board technology field, is made more particularly to a kind of printed circuit board edges of boards semi-metal Technique and its drilling equipment.
Background technology
Printed circuit board is the common name of printed circuit or printed wiring production board, and in printed circuit board, plated through-hole is The metal-coated hole of hole wall, semi-metal hole are printed circuit board finished product edges of boards section semicircle plated through-hole.
Tradition is processed to the hole of such semi-metal, is generally completed, can be brought following in finished product or after welding resistance Adverse effect:There is capillary copper thorn on printed circuit board section semi-metal hole hole side;During printed circuit board finished product, inverter circuit part copper It has been removed that, the coat of metal is easily pulled in section half bore.Further, conventionally employed milling mode is to circuit board section semimetal Change hole to be processed, easily cause the imperfection in section semi-metal hole.
The content of the invention
The purpose of the present invention is to overcome weak point of the prior art, there is provided a kind of printed circuit board edges of boards semi-metal Manufacture craft and its drilling equipment, printed circuit board section semi-metal hole machined technological process is improved, utilizes alkali etching mistake Journey, effectively remove semi-metal hole forming during caused by printed circuit board section capillary copper thorn and copper sheet chip, further It ensure that the integrality in printed circuit board section semi-metal hole.
The purpose of the present invention is achieved through the following technical solutions:
A kind of printed circuit board edges of boards semi-metal manufacture craft, comprises the following steps:
Using " drilling equipment " to circuit boring;
By all hole metallizations of circuit board by the way of electroless copper plating;
Paste light-sensitive surface, the exposed plate face that circuitous pattern is transferred to circuit board;
Electroplated copper thickeies layers of copper and tin plating protection circuit figure in hole;
Using " drilling equipment " processing circuit board section semi-metal hole;
Alkali etching goes capillary copper to pierce;
The outward appearance shortcoming of circuitous pattern is examined by optical scanner;
Circuit board pad patterns are accomplished into plate face, form permanent coating;
Bitten by silk screen figure, component symbol, mark are printed onto to the plate face of circuit board;
Surface solder is processed, lead-free tin spray or immersion Ni/Au;
Open, be short-circuit in detection circuit board section semi-metal hole.
A kind of drilling equipment, including:Pedestal, drive division, rotary shaft, vertical lifting cam, horizontal reciprocating cam, vertical liter Connecting rod, horizontal reciprocating connecting rod, vertical lifting slide bar, horizontal reciprocating slide bar, middle contiguous block, drill bit drop;
The rotary shaft is rotated on the pedestal, the rotating shaft of the rotary shaft and plane-parallel;
The vertical lifting cam and the horizontal reciprocating cam are installed in the rotary shaft;
It is articulated with the middle part of the vertical lifting connecting rod on the pedestal, one end of the vertical lifting connecting rod is erected with described The cam surface of straight lifter cam abuts, and the other end of the vertical lifting connecting rod abuts with one end of the vertical lifting slide bar, The middle contiguous block is fixedly arranged on the other end of the vertical lifting slide bar;
It is articulated with the middle part of the horizontal reciprocating connecting rod on the pedestal, one end and the water of the horizontal reciprocating connecting rod The cam surface of flat reciprocating cam abuts, and the other end of the horizontal reciprocating connecting rod abuts with one end of the horizontal reciprocating slide bar, The horizontal reciprocating sliding bar is arranged in the middle contiguous block, and the drill bit is installed on the another of the horizontal reciprocating slide bar End;
The drive division drives the rotary shaft rotation, to cause vertical lifting described in the vertical lifting cam driven to connect Bar rotates, and then causes the vertical lifting connecting rod to drive the vertical lifting slide bar vertically back and forth to lift;
The drive division drives the rotary shaft rotation, to cause horizontal reciprocating described in the horizontal reciprocating cam driven to connect Bar rotates, and then causes the horizontal reciprocating connecting rod to drive the horizontal reciprocating slide bar to move back and forth in the horizontal direction.
In one of the embodiments, the output end of the drive division is provided with driving gear, the rotary shaft be provided with from Moving gear, the driving gear engage with the driven gear.
In one of the embodiments, the drive division is motor-driven structure.
In one of the embodiments, one end of the vertical lifting connecting rod passes through roller and the vertical lifting cam Cam surface is abutted, and the other end of the vertical lifting connecting rod is abutted by roller with one end of the vertical lifting slide bar.
In one of the embodiments, one end of the horizontal reciprocating connecting rod passes through roller and the horizontal reciprocating cam Cam surface is abutted, and the other end of the horizontal reciprocating connecting rod is abutted by roller with one end of the horizontal reciprocating slide bar.
A kind of printed circuit board edges of boards semi-metal manufacture craft disclosed by the invention and its drilling equipment, improve printing electricity Road plate section semi-metal hole machined technological process, using alkali etching process, during effective removal semi-metal hole forming In capillary copper thorn and copper sheet chip caused by printed circuit board section, printed circuit board section semi-metal hole further ensure that Integrality.
Brief description of the drawings
Fig. 1 is the structure chart of the drilling equipment of one embodiment of the invention;
Fig. 2 is that the drilling equipment shown in Fig. 1 removes the structure chart after pedestal.
Embodiment
For the ease of understanding the present invention, the present invention is described more fully below with reference to relevant drawings.In accompanying drawing Give the better embodiment of the present invention.But the present invention can realize in many different forms, however it is not limited to herein Described embodiment.On the contrary, the purpose for providing these embodiments is to make to understand more the disclosure Add thorough and comprehensive.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element Or there may also be element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ", For illustrative purposes only, it is unique embodiment to be not offered as " right side " and similar statement.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention The implication that technical staff is generally understood that is identical.Term used in the description of the invention herein is intended merely to description tool The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein " and/or " include one or more The arbitrary and all combination of related Listed Items.
A kind of printed circuit board edges of boards semi-metal manufacture craft, comprises the following steps:
Using " drilling equipment " to circuit boring;
By all hole metallizations of circuit board by the way of electroless copper plating;
Paste light-sensitive surface, the exposed plate face that circuitous pattern is transferred to circuit board;
Electroplated copper thickeies layers of copper and tin plating protection circuit figure in hole;
Using " drilling equipment " processing circuit board section semi-metal hole;
Alkali etching goes capillary copper to pierce;
The outward appearance shortcoming of circuitous pattern is examined by optical scanner;
Circuit board pad patterns are accomplished into plate face, form permanent coating;
Bitten by silk screen figure, component symbol, mark are printed onto to the plate face of circuit board;
Surface solder is processed, lead-free tin spray or immersion Ni/Au;
Open, be short-circuit in detection circuit board section semi-metal hole.
Pass through above-mentioned printed circuit board edges of boards semi-metal manufacture craft, circuit board section semi-metal hole forming mode Drilling operation is converted to by milling processing, the station of circuit board section semi-metal hole forming designs after graphic plating and alkalescence Before etching, by alkali etching process, the capillary copper thorn and copper sheet on half bore side are removed, overcomes metallized semi-pore through-hole plating in machine Tool is pulled when processing, and is overcome metallized semi-pore through-hole plating capillary copper thorn in half bore hole side in machining, is eliminated because of half bore Side capillary copper thorn and hole wall coating are pulled or loosened and caused PCBA open circuit/short circuits phenomenon.
Circuit board section semi-metal hole forming mode is converted to Drilling operation by milling processing, for more preferable adaline Tool automated production, the structure of drilling equipment is improved.
For example, as shown in Figures 1 and 2, drilling equipment 10 includes:Pedestal 100, drive division 200, rotary shaft 300, vertical liter Cam 410, horizontal reciprocating cam 420, vertical lifting connecting rod 510, horizontal reciprocating connecting rod 520, vertical lifting slide bar 610, water drop Put down reciprocal slide bar 620, middle contiguous block 700, drill bit 800.
Rotary shaft 300 is rotated on pedestal 100, the rotating shaft of rotary shaft 300 and plane-parallel.
Vertical lifting cam 410 and horizontal reciprocating cam 420 are installed in rotary shaft 300.
The middle part of vertical lifting connecting rod 510 is articulated with pedestal 100, one end of vertical lifting connecting rod 510 and vertical lifting The cam surface of cam 410 abuts, and the other end of vertical lifting connecting rod 510 abuts with one end of vertical lifting slide bar 610, and centre connects Connect the other end that block 700 is fixedly arranged on vertical lifting slide bar 610.
The middle part of horizontal reciprocating connecting rod 520 is articulated with pedestal 100, one end of horizontal reciprocating connecting rod 520 and horizontal reciprocating The cam surface of cam 420 abuts, and the other end of horizontal reciprocating connecting rod 520 abuts with one end of horizontal reciprocating slide bar 620, horizontal past Multiple slide bar 620, which slides, is arranged in middle contiguous block 700, and drill bit 800 is installed on the other end of horizontal reciprocating slide bar 620.
Drive division 200 drives rotary shaft 300 to rotate, to cause vertical lifting cam 410 to drive 510 turns of vertical lifting connecting rod It is dynamic, and then cause vertical lifting connecting rod 510 to drive the vertically reciprocal lifting of vertical lifting slide bar 610.
Drive division 200 drives rotary shaft 300 to rotate, to cause horizontal reciprocating cam 420 to drive 520 turns of horizontal reciprocating connecting rod It is dynamic, and then cause horizontal reciprocating connecting rod 520 to drive horizontal reciprocating slide bar 620 to move back and forth in the horizontal direction.
Further, the output end of drive division 200 is provided with driving gear 910, and rotary shaft 300 is provided with driven gear 920, Driving gear 910 engages with driven gear 920, so as to realize driving of the drive division 200 to rotary shaft 300, in the present embodiment, Drive division 200 is motor-driven structure.
Further, one end of vertical lifting connecting rod 510 is abutted by roller with the cam surface of vertical lifting cam 410, The other end of vertical lifting connecting rod 510 is abutted by roller with one end of vertical lifting slide bar 610.Horizontal reciprocating connecting rod 520 One end is abutted by roller with the cam surface of horizontal reciprocating cam 420, and the other end of horizontal reciprocating connecting rod 520 passes through roller and water The one end for putting down reciprocal slide bar 620 abuts.By setting roller, it can make it that device overall operation is more smooth.
The operation principle of drilling equipment 10 is as follows:
Drive division 200 drives rotary shaft 300 to rotate, rotary shaft 300 and then the vertical lifting cam 410 and water of drive thereon Flat reciprocating cam 420 rotates;
Because the middle part of vertical lifting connecting rod 510 is articulated with pedestal 100, vertical lifting cam 410 drives vertical lifting Connecting rod 510 rotates around pedestal 100, vertical lifting connecting rod 510 and then drives vertical lifting slide bar 610 is vertically reciprocal to rise Drop, then and drive the vertically reciprocal lifting of middle contiguous block 700;
Because the middle part of horizontal reciprocating connecting rod 520 is articulated with pedestal 100, horizontal reciprocating cam 420 drives horizontal reciprocating Connecting rod 520 rotates around pedestal 100, horizontal reciprocating connecting rod 520 and then the reciprocal shifting in the horizontal direction of drive horizontal reciprocating slide bar 620 It is dynamic, then and drive drill bit 800 to move back and forth in the horizontal direction;
Middle contiguous block 700 is arranged in because horizontal reciprocating slide bar 620 slides, the vertical lifting fortune of middle contiguous block 700 It is dynamic also to have driven horizontal reciprocating slide bar 620 to be moved along vertical lifting, and then driven drill bit 800 thereon to be transported along vertical lifting Dynamic, then, drill bit 800 has the motion vertically and in horizontal direction simultaneously;
When printed circuit board is positioned over into specified location, drill bit 800 under the cooperation of above-mentioned all parts, along horizontal and Vertical direction moves, it is achieved thereby that the boring work to printed circuit board.
It is noted that drilling equipment 10 is by setting a drive division 200, and under the cooperation of all parts, so as to Motion of the drill bit 800 on horizontal and vertical direction is realized, without setting two driving sources so that the overall structure of device Compacter, operation is more efficient, saves cost.
A kind of printed circuit board edges of boards semi-metal manufacture craft disclosed by the invention and its drilling equipment, improve printing electricity Road plate section semi-metal hole machined technological process, using alkali etching process, during effective removal semi-metal hole forming In capillary copper thorn and copper sheet chip caused by printed circuit board section, printed circuit board section semi-metal hole further ensure that Integrality.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more specific and detailed, but simultaneously Can not therefore it be construed as limiting the scope of the patent.It should be pointed out that come for one of ordinary skill in the art Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.

Claims (6)

1. a kind of printed circuit board edges of boards semi-metal manufacture craft, it is characterised in that comprise the following steps:
Using " drilling equipment " to circuit boring;
By all hole metallizations of circuit board by the way of electroless copper plating;
Paste light-sensitive surface, the exposed plate face that circuitous pattern is transferred to circuit board;
Electroplated copper thickeies layers of copper and tin plating protection circuit figure in hole;
Using " drilling equipment " processing circuit board section semi-metal hole;
Alkali etching goes capillary copper to pierce;
The outward appearance shortcoming of circuitous pattern is examined by optical scanner;
Circuit board pad patterns are accomplished into plate face, form permanent coating;
Bitten by silk screen figure, component symbol, mark are printed onto to the plate face of circuit board;
Surface solder is processed, lead-free tin spray or immersion Ni/Au;
Open, be short-circuit in detection circuit board section semi-metal hole.
A kind of 2. drilling equipment, it is characterised in that including:Pedestal, drive division, rotary shaft, vertical lifting cam, horizontal reciprocating are convex Wheel, vertical lifting connecting rod, horizontal reciprocating connecting rod, vertical lifting slide bar, horizontal reciprocating slide bar, middle contiguous block, drill bit;
The rotary shaft is rotated on the pedestal, the rotating shaft of the rotary shaft and plane-parallel;
The vertical lifting cam and the horizontal reciprocating cam are installed in the rotary shaft;
It is articulated with the middle part of the vertical lifting connecting rod on the pedestal, one end of the vertical lifting connecting rod and the vertical liter The cam surface for dropping cam abuts, and the other end of the vertical lifting connecting rod abuts with one end of the vertical lifting slide bar, described Middle contiguous block is fixedly arranged on the other end of the vertical lifting slide bar;
It is articulated with the middle part of the horizontal reciprocating connecting rod on the pedestal, one end of the horizontal reciprocating connecting rod and the level are past The cam surface of multiple cam abuts, and the other end of the horizontal reciprocating connecting rod abuts with one end of the horizontal reciprocating slide bar, described Horizontal reciprocating sliding bar is arranged in the middle contiguous block, and the drill bit is installed on the other end of the horizontal reciprocating slide bar;
The drive division drives the rotary shaft rotation, to cause vertical lifting connecting rod described in the vertical lifting cam driven to turn It is dynamic, and then cause the vertical lifting connecting rod to drive the vertical lifting slide bar vertically back and forth to lift;
The drive division drives the rotary shaft rotation, to cause horizontal reciprocating connecting rod described in the horizontal reciprocating cam driven to turn It is dynamic, and then cause the horizontal reciprocating connecting rod to drive the horizontal reciprocating slide bar to move back and forth in the horizontal direction.
3. drilling equipment according to claim 2, it is characterised in that the output end of the drive division is provided with driving gear, The rotary shaft is provided with driven gear, and the driving gear engages with the driven gear.
4. drilling equipment according to claim 3, it is characterised in that the drive division is motor-driven structure.
5. drilling equipment according to claim 2, it is characterised in that one end of the vertical lifting connecting rod by roller with The cam surface of the vertical lifting cam is abutted, and the other end of the vertical lifting connecting rod is slided by roller and the vertical lifting One end of bar abuts.
6. drilling equipment according to claim 2, it is characterised in that one end of the horizontal reciprocating connecting rod by roller with The cam surface of the horizontal reciprocating cam is abutted, and the other end of the horizontal reciprocating connecting rod is slided by roller and the horizontal reciprocating One end of bar abuts.
CN201711036064.7A 2017-10-30 2017-10-30 Semi-metallization manufacturing process for printed circuit board edge and drilling device thereof Active CN107660078B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711036064.7A CN107660078B (en) 2017-10-30 2017-10-30 Semi-metallization manufacturing process for printed circuit board edge and drilling device thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711036064.7A CN107660078B (en) 2017-10-30 2017-10-30 Semi-metallization manufacturing process for printed circuit board edge and drilling device thereof

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CN107660078B CN107660078B (en) 2023-10-31

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Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2063729A (en) * 1979-06-11 1981-06-10 Rbw Automatic & Laser Eng Ltd Drilling machine
JP2003291092A (en) * 2002-04-01 2003-10-14 Daido Kogyo Co Ltd Punching device
TW200534978A (en) * 2004-04-20 2005-11-01 Univ Nat Sun Yat Sen Punching mechanism actuated by cam for flexible printed circuit boards
JP2007245331A (en) * 2006-02-15 2007-09-27 Hitachi Via Mechanics Ltd Printed board machining device and drilling method therefor
CN101626662A (en) * 2008-07-11 2010-01-13 惠阳科惠工业科技有限公司 Process for removing flash of half PTH hole by dry film etching method
CN102378500A (en) * 2010-08-11 2012-03-14 成都航天通信设备有限责任公司 Method for removing burrs of half-edge hole
CN102438411A (en) * 2011-09-30 2012-05-02 景旺电子(深圳)有限公司 Manufacturing method of metallized semi-hole
CN103327753A (en) * 2013-05-20 2013-09-25 深圳崇达多层线路板有限公司 Manufacturing method for metal semi-hole circuit board
CN104918422A (en) * 2015-05-21 2015-09-16 东莞市五株电子科技有限公司 Method for manufacturing semi-metallized hole of printed circuit board
CN106455333A (en) * 2016-11-15 2017-02-22 清远市富盈电子有限公司 Manufacturing process of PCB metal covered edge plate with gong side and copper burr improved
CN107127820A (en) * 2017-06-26 2017-09-05 沈洁 A kind of bar shaped sheet material perforating mechanism
CN207612471U (en) * 2017-10-30 2018-07-13 惠州市和信达线路板有限公司 The drilling equipment that printed circuit board edges of boards semi-metal makes

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2063729A (en) * 1979-06-11 1981-06-10 Rbw Automatic & Laser Eng Ltd Drilling machine
JP2003291092A (en) * 2002-04-01 2003-10-14 Daido Kogyo Co Ltd Punching device
TW200534978A (en) * 2004-04-20 2005-11-01 Univ Nat Sun Yat Sen Punching mechanism actuated by cam for flexible printed circuit boards
JP2007245331A (en) * 2006-02-15 2007-09-27 Hitachi Via Mechanics Ltd Printed board machining device and drilling method therefor
CN101626662A (en) * 2008-07-11 2010-01-13 惠阳科惠工业科技有限公司 Process for removing flash of half PTH hole by dry film etching method
CN102378500A (en) * 2010-08-11 2012-03-14 成都航天通信设备有限责任公司 Method for removing burrs of half-edge hole
CN102438411A (en) * 2011-09-30 2012-05-02 景旺电子(深圳)有限公司 Manufacturing method of metallized semi-hole
CN103327753A (en) * 2013-05-20 2013-09-25 深圳崇达多层线路板有限公司 Manufacturing method for metal semi-hole circuit board
CN104918422A (en) * 2015-05-21 2015-09-16 东莞市五株电子科技有限公司 Method for manufacturing semi-metallized hole of printed circuit board
CN106455333A (en) * 2016-11-15 2017-02-22 清远市富盈电子有限公司 Manufacturing process of PCB metal covered edge plate with gong side and copper burr improved
CN107127820A (en) * 2017-06-26 2017-09-05 沈洁 A kind of bar shaped sheet material perforating mechanism
CN207612471U (en) * 2017-10-30 2018-07-13 惠州市和信达线路板有限公司 The drilling equipment that printed circuit board edges of boards semi-metal makes

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