CN103188873A - Forming machining method of PCB and PCB - Google Patents
Forming machining method of PCB and PCB Download PDFInfo
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- CN103188873A CN103188873A CN 201110445109 CN201110445109A CN103188873A CN 103188873 A CN103188873 A CN 103188873A CN 201110445109 CN201110445109 CN 201110445109 CN 201110445109 A CN201110445109 A CN 201110445109A CN 103188873 A CN103188873 A CN 103188873A
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Abstract
The invention discloses a forming machining method of a PCB (printed circuit board) and the PCB, and is applicable to the field of PCB forming. The method comprises the steps that an L-shaped auxiliary module is milled at a lower left corner of a panel; the auxiliary module is an L-shaped auxiliary edge, wherein the L-shaped auxiliary module and a profile edge of each single Piece connecting board at the lower left corner of the panel are separated by a set distance; a cutting point and a feeding sequence are judged according to internal groove structures of the single Piece connecting boards in the panel; internal grooves and/or concave-convex positions in the single Piece connecting boards are milled sequentially; and the profile edges of the single Piece connecting boards are milled. According to the method and the PCB, the L-shaped auxiliary module is additionally adopted, and the accurate cutting point position and the accurate feeding sequence are made according to the internal groove structures, so that stress edges and cutting directions of piece module units are the same, and a purpose of keeping sizes of the piece module units the same is achieved.
Description
Technical field
The present invention relates to the printed wiring board forming field, relate in particular to a kind of pcb board method for processing forming and pcb board.
Background technology
Along with flourish, the electronic product of current electronic technology constantly updates, volume is little, in light weight, the electrical equipment of low power consuming is consumer's favor extremely, in the face of the new market demand, PCBA (printed circuit board (PCB) assembling, printed circuit board assembly) manufacturer is to the design direction of pcb board, and is big from traditional cellar area, volume big, the slab of Heavy Weight is little to cellar area, volume is little, the change of lightweight thin plate.As mobile phone board, the lithium battery plate, the notebook accessory plate, digital product, the subsidiary plate of small household appliances etc., PCBA manufacturer is little in order to reach volume, lightweight electronic product can be selected PCB thin plate processing for use, and portioned product also can be finished circuit requirements with the PCB soft board, but soft board cost height, work flow complexity, the friendship phase, long some objective factors that wait made PCBA add industrial and commercial headache, so PCBA manufacturer can first-selected hardboard.So not only satisfy the new market demand but also avoided a series of problems such as soft board cost height.
Concrete technological process for the sharp processing of strip thin plate in the prior art is:
Mill the inside groove that pastes in the part finished product earlier, again according to nearby principle, then milled other inside groove successively, mill out profile at last, keep and paste the required part of part modular unit.
Not order direction requirement when above-mentioned process is milled plate, do not play the roll setting requirement, because this kind printed wiring board is thinner and aspect ratio is big, the effective subsides part modular unit plate portion that keeps is not only narrow but also long, consider when milling plate that pars intermedia branch produced shake when rectangular thin plate milled plate, need to fix with shop bolt so each keeps subsides part module section.According to mill plate stressed former should groove width during less than two times on milling cutter, after the one side of milling can produce the unbalance stress phenomenon, the component holes that can be used to locate in the middle of the rectangular plate seldom has only single Piece connecting plate technology limit just to have component holes to can be used for the location.If about or tongue and groove arranged up and down, smooth in order to keep inside groove to mill the back, traditional milling all will mill the no concave-convex one side earlier, if there is concavo-convex position on the two sides, limitation is just bigger when milling plate causes the bad management and control of tongue and groove position size.Otherwise strengthen useless technology limit, overall dimension will be affected, such manufacture method, and aspects such as quality and cost are all inadvisable.
If the product undetected error by above-mentioned process manufacturing flow into client, the client is different with the size of original design by the Installation and Debugging discovery in the welding of subsides part, if the too little just card of inside groove is not entered, if too kilocalorie tightly can not become flexible and cause and can not use, if the inconsistent meeting of unit and cell size causes the paster off normal to influence function.
Summary of the invention
The invention provides a kind of pcb board method for processing forming and pcb board, there is the problem of deviation in the inside groove size when milling plate in the method solution prior art provided by the present invention.
The invention provides a kind of pcb board method for processing forming, specifically comprise:
The lower left corner at distance panel plate mills out L shaped supplementary module, and this supplementary module is L shaped auxiliary limit, wherein, and the profile limit of single Piece connecting plate in described L shaped supplementary module and the described panel plate lower left corner setpoint distance of being separated by;
Inner trough structure according to each single Piece connecting plate in the described panel plate has been judged cutter point and feed order, has milled inside groove and/or concavo-convex position in described single Piece connecting plate successively;
Mill the profile limit of described each single Piece connecting plate.
The present invention also provides a kind of pcb board, and described pcb board is for using a kind of pcb board that said method generates.
In the technique scheme one or two has following technique effect at least:
The method that the embodiment of the invention provides is improved milling the plate method in the prior art, increases auxiliary limit whole single Piece connecting plate is handled earlier; Make accurately a cutter point position and feed order according to inner trough structure, allow each paste the stressed limit of part modular unit unanimity, cutter relieving direction unanimity keeps each to paste part modular unit consistent size.
Description of drawings
Fig. 1 is the flow chart of a kind of pcb board method for processing forming of the embodiment of the invention;
Fig. 2 mills inside groove for the method for using the embodiment of the invention and providing does not have concavo-convex position and profile smooth, and the inside groove single Piece connecting plate schematic diagram parallel with X;
Fig. 3 mills inside groove for the method for using the embodiment of the invention and providing does not have concavo-convex position and profile smooth, and the inside groove single Piece connecting plate schematic diagram parallel with Y;
Fig. 4 mills inside groove for the method for using the embodiment of the invention and providing has concavo-convex position and profile smooth, single Piece connecting plate schematic diagram that inside groove is parallel with X or Y-axis;
The method that Fig. 5 provides for the application embodiment of the invention mills inside groove and profile has a plurality of concavo-convex single Piece connecting plate schematic diagrames.
Embodiment
The embodiment of the invention provides a kind of pcb board method for processing forming, comprise: the lower left corner at distance panel plate mills out L shaped supplementary module, this supplementary module is L shaped auxiliary limit, wherein, and the profile limit of single Piece connecting plate in described L shaped supplementary module and the described panel plate lower left corner setpoint distance of being separated by; Inner trough structure according to each single Piece connecting plate in the described panel plate has been judged cutter point and feed order, has milled inside groove and/or concavo-convex position in described single Piece connecting plate successively; Mill the profile limit of described each single Piece connecting plate.
As shown in Figure 1, provide a kind of embodiment of pcb board method for processing forming to be elaborated below in conjunction with Figure of description to the embodiment of the invention:
In concrete applied environment, each panel plate generally comprises a plurality of set plates, and (be also referred to as: single Piece connecting plate), and comprise in each set plate that a plurality of Piece pull, it is spaced apart to pass through inside groove between the Piece.
In a specific embodiment, use the milling cutter of 1.8MM diameter at the 2MM place, edge apart from single Piece connecting plate line pattern from right to left, mill out the auxiliary limit of " L " shape more from bottom to top, setpoint distance in this example is 2MM, namely should auxiliary limit with the edge of line pattern between distance be 0.2MM (because milling cutter diameter is 1.8MM) unlikely damaged line figure when milling the limit for follow-up profile to line pattern, need herein the one section safe distance of edge reservation to line pattern.Because the error that is allowed to of milling cutter is within ± 4mil, so this mills overlay error that limit and follow-up profile mill the limit within ± 8mil, so safe distance is about 2MM, setpoint distance needs should be more than or equal to safe distance.Certainly, also can select the milling cutter of other diameters in other embodiments.
Owing to adopt the milling (because of the clockwise direction that rotates to be of milling cutter) of right compensation, one side the clout that has that mills after making links to each other, solved especially rectangular thin plate and milled the jitter problem that the mid portion unit produces.
In embodiments of the present invention, described feed is returned sword for getting back to cutter point position from cutter point beginning clockwise direction in proper order.
In inventive embodiments, be unit with the single single piece connecting plate in the strip thin plate (being the panel plate), and judged cutter point and feed order according to the inner trough structure of single piece connecting plate that the basic structure of single piece connecting plate can be summarized as following three kinds of situations:
A, inside groove do not have concavo-convex position and single piece connecting plate profile limit smooth, and inside groove is parallel with X or Y-axis.
B, inside groove have concavo-convex position and single piece connecting plate profile limit smooth, and inside groove is parallel with X or Y-axis.
C, there are a plurality of concavo-convex positions on inside groove and single piece connecting plate profile limit.
L shaped supplementary module in the step 101 then is to have the cutter relieving effect in the time of will milling article one inside groove in step 102.
In above-mentioned steps 101, the L summit of L shaped supplementary module (being corner) is positioned at the situation in the lower left corner of the single Piece connecting plate of monoblock (Panel), and monoblock Panel is by the situation of a plurality of single Piece connecting plates, the order that a plurality of single Piece connecting plates are milled operation is: at first mill L summit with the L shaped supplementary module nearest single Piece connecting plate of being separated by, then according to from bottom to up, order from left to right mills operation one by one to single Piece connecting plate.
At above-mentioned three kinds of situations, be example with first single Piece connecting plate that mills operation below, the specific implementation that inside groove and concavo-convex position are carried out when milling operation comprises:
(1) at A kind situation, as shown in Figure 2 with shown in Figure 3, concrete milling comprises:
First limit of described L shaped supplementary module is parallel with X-axis or Y-axis, when inside groove is parallel with first limit of L shaped supplementary module, from adjacent with described first limit, and begin with the immediate inside groove in supplementary module turning, along milling described inside groove successively perpendicular to the direction on described first limit;
And the cutter point that rises when milling each inside groove is, in the described inside groove near the point at the turning of described L shaped supplementary module.
Specific embodiment is: when inside groove with first limit parallelly comprise two kinds of situations, namely inside groove is parallel with X-axis or Y-axis, wherein:
As shown in Figure 2, parallel with X-axis when inside groove, namely described inside groove is parallel with the base of L shaped supplementary module 203, and the method for then milling inside groove 204 and profile limit 201 comprises:
Mill first inside groove from the cutter point 202 beginning clockwise directions of first inside groove 204 adjacent with the base on single Piece connecting plate profile limit, and milled each inside groove successively from bottom to top successively according to method; Play cutter point for the lower right corner of inside groove, because the path of whole inside groove milling cutter is a loop, so return sword a little and a cutter point coincidence (202 formed by a cutter point and a coincidence of returning sword).Mill all inside grooves parallel with X-axis according to the said method milling cutter along order from bottom to top, milled whole subsides part finished product profile limit 201 at last, finished final molding.
Mill the profile limit 201 of described single Piece connecting plate.
Wherein fixing hole 205 is used for the fixed described single Piece connecting plate position of pin.
As shown in Figure 3, parallel with Y-axis when inside groove, namely described inside groove is parallel with the side of L shaped supplementary module 302, and the method for then milling inside groove 305 and profile limit 301 comprises:
When inside groove is parallel with Y-axis, milling cutter begins to mill from first inside groove adjacent with the limit, left side on single Piece connecting plate profile limit, play cutter point and be the lower left corner of inside groove 305, because the path of whole inside groove milling cutter is a loop, overlap (303 formed by a cutter point and a coincidence of returning sword) so return sword a little and play cutter point.Milled the inside groove parallel with Y-axis in single Piece connecting plate successively according to order from left to right.The inside groove parallel with Y-axis can be regarded at this as the inside groove parallel with X-axis revolves and form after turning 90 degrees that so when inside groove is parallel with Y-axis, begin to mill from the leftmost inside groove of single Piece connecting plate, a cutter point is the lower left corner of inside groove.
Mill the profile limit 301 of described single Piece connecting plate.
Wherein fixing hole 304 is used for the fixed described single Piece connecting plate position of pin.
(2) at B kind situation:
As shown in Figure 4, parallel with X-axis when inside groove, 401 setpoint distance places arrange L shaped supplementary module 405 on distance profile limit, and the method for then milling inside groove 403, profile limit 401 and concavo-convex position 404 comprises:
From first inside groove 403 adjacent with the base on single Piece connecting plate profile limit 401, mill these inside grooves parallel with X-axis successively from bottom to top, play cutter point and be the lower right corner of each inside groove, milled all parallel inside grooves in single Piece connecting plate from bottom to top successively, feed is clockwise direction in proper order; Wherein, play a cutter point and return sword and overlap (402 form by playing cutter point and a coincidence of returning sword).
Concavo-convex position 404 is operated as independent forming module, wherein, according to the direction of concavo-convex position, one side at the U-shaped tongue and groove that mills out of inside groove, one side the enclosed construction of the formation of three limits that described concavo-convex position be this U-shaped tongue and groove and inside groove.Wherein when the described U-shaped tongue and groove of milling cutter, along order clockwise from cutter point 407 to returning sword a little 406.
Parallel with Y-axis when inside groove, begin to mill from left to right successively described inside groove from first inside groove adjacent with the limit, left side on single Piece connecting plate profile limit, play cutter point and be the lower left corner of inside groove;
Concavo-convex position is operated as independent forming module, wherein, according to the direction of concavo-convex position, one side at the U-shaped tongue and groove that mills out of inside groove, one side the enclosed construction of the formation of three limits that described concavo-convex position be this U-shaped tongue and groove and inside groove.Wherein when the described U-shaped tongue and groove of milling cutter, put the feed of returning sword a little in proper order for clockwise from cutter.
Mill the profile limit 401 of described single Piece connecting plate.
(3) at C kind situation:
As shown in Figure 5, parallel with Y-axis when inside groove, the setpoint distance place arranges L shaped supplementary module 504 on distance profile limit, and the method for then milling room 506 and profile limit comprises:
Begin to mill from first inside groove adjacent with the right edge on single Piece connecting plate profile limit, play a little and to be the lower left corner of inside groove, milled parallel with the Y-axis room of milling in single Piece connecting plate successively, this mill the room comprise inside groove and profile limit about two sides and described inside groove superposed part;
Then milling each single Piece connecting plate profile limit comprises: single Piece connecting plate not with inside groove intersection profile limit 505, when milling this profile limit 505 among the embodiment, milling cutter returns sword a little 501 from cutter point 502 by counterclockwise milling.
When inside groove parallel with X-axis, begin to mill from first inside groove adjacent with the base on single Piece connecting plate profile limit, and play cutter point and be the lower right corner of inside groove, milled parallel with the X-axis room of milling in single Piece connecting plate successively, this mills top margin and base and inside groove intersection that the room comprises inside groove and profile limit; Because the path of whole inside groove milling cutter is a loop, overlap (503 formed by a cutter point and a coincidence of returning sword) so return sword a little and play cutter point.
Then milling single Piece connecting plate profile limit comprises: single Piece connecting plate not with inside groove intersection profile limit.
In addition, the present invention also provides a kind of pcb board of making according to said method.
Above-mentioned one or more technical schemes in the embodiment of the present application have following technique effect at least:
Compare with traditional method, pcb board method for processing forming provided by the invention is increasing L shaped supplementary module apart from the setpoint distance place of lower left corner profile from the panel plate, and according to the profile of Panel plate, and on single Piece connecting plate Piece arrange to come to have determined cutter point and mill plate in proper order, namely from the profile to the inside groove, play cutter point position all in a direction, stressed limit is all in same direction, solved size dimension deviation between the subsides part modular unit, and inside groove and the inconsistent problem of profile limit size dimension.In addition, one side the clout that has that mills after when milling each inside groove links to each other, solved rectangular thin plate and milled the jitter problem that the mid portion unit produces.
Method provided by the invention adapts to the multiple concavo-convex inside groove that is expanded by strip-like appearance, the limitation when having solved the profile of milling plate and have concavo-convex position inside groove for tradition and milling plate.
In addition, this method solve to be pasted the orientation problem in the part modular unit because the method plays cutter point all on the one side of having milled, one side after mill connect whole plate, shake reduces, and not be used in and makes shop bolt the unit in, need decide 3 or 4 pins on the technology limit and get final product.
The method is simple to be realized easily, and the engineering staff pulls out a cutter " L " on strip plate PANEL limit when band is milled in making, is analyzing inner trough structure, has stipulated cutter point and has milled the plate order in conjunction with this method, can fundamentally solve strip plate appearance problem.
Method provided by the present invention allows each paste the stressed limit of part modular unit unanimity when the processing PCB thin plate, cutter relieving direction unanimity, cutter directly compensates and is right compensation, and the like milled all parts.Keep each to paste part modular unit consistent size.The plate method for designing of milling provided by the invention is milled the plate mode to tradition and is improved, and the profile variation of expansion strip thin plate different structure makes circuit board tackle various different inside grooves when moulding and changes, and reduces and mills the plate error, and improve operating efficiency.
Method of the present invention is not limited to the embodiment described in the embodiment, and those skilled in the art's technical scheme according to the present invention draws other execution mode, belongs to technological innovation scope of the present invention equally.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (9)
1. a pcb board method for processing forming is characterized in that, comprising:
Non-graphics field mills out L shaped supplementary module on the panel plate, and this supplementary module is L shaped auxiliary limit, wherein, and the profile limit of single Piece connecting plate at described L shaped supplementary module and the described panel plate one drift angle place setpoint distance of being separated by;
Inner trough structure according to each single Piece connecting plate in the described panel plate has been judged cutter point and feed order, has milled the inside groove in described single Piece connecting plate successively;
Mill the profile limit of described each single Piece connecting plate.
2. the method for claim 1 is characterized in that, described setpoint distance is determined according to the diameter of the milling cutter that mills described L shaped supplementary module.
3. the method for claim 1 is characterized in that, described feed is clockwise direction in proper order.
4. the method for claim 1 is characterized in that, the drift angle of described panel plate is the lower left corner; Described on the panel plate non-graphics field mill out L shaped supplementary module and be, from right to left, mill out the auxiliary limit of described L type then from bottom to top.
5. method as claimed in claim 4 is characterized in that, when described panel plate comprised a plurality of single Piece connecting plate, the order that described a plurality of single Piece connecting plates are milled operation was:
At first, to the nearest single Piece connecting plate of being separated by of the L summit with L shaped supplementary module, then according to from bottom to up, order from left to right mills operation one by one to single Piece connecting plate.
6. method as claimed in claim 4, it is characterized in that smooth when inside groove and single piece connecting plate profile limit, and inside groove is parallel with X or Y-axis, then judged cutter point and feed order according to the inner trough structure of described single piece connecting plate, the inside groove that has milled successively in described single piece connecting plate comprises:
First limit of described L shaped supplementary module is parallel with X-axis or Y-axis, when inside groove is parallel with first limit of L shaped supplementary module, from adjacent with described first limit, and begin with the immediate inside groove in supplementary module turning, along milling described inside groove successively perpendicular to the direction on described first limit;
And the cutter point that rises when milling each inside groove is, in the described inside groove near the point at the turning of described L shaped supplementary module.
7. method as claimed in claim 4 is characterized in that, when inside groove has concavo-convex position, and inside groove then judged cutter point and feed order according to the inner trough structure of single Piece connecting plate when parallel with X or Y-axis, and the inside groove that has milled successively in single Piece connecting plate comprises:
Parallel with X-axis when the inside groove direction, then begin to mill from bottom to top successively described inside groove from first inside groove adjacent with the base on single Piece connecting plate profile limit, milled parallel inside groove with X-axis in single Piece connecting plate successively; And, play cutter point and be the lower right corner of described inside groove;
Parallel with Y-axis when the inside groove direction, begin to mill from left to right successively described inside groove from first inside groove adjacent with the limit, left side on single Piece connecting plate profile limit; And, play cutter point and be the lower left corner of inside groove;
The enclosed construction that three limits that described concavo-convex position is this U-shaped tongue and groove and one side of inside groove form; Described method further comprises: according to the direction of described concavo-convex position, a side at place, concavo-convex position mills out the U-shaped tongue and groove in inside groove.
8. method as claimed in claim 4 is characterized in that, there are a plurality of concavo-convex positions on inside groove and single piece connecting plate profile limit, have then judged cutter point and feed order according to the inner trough structure of single Piece connecting plate, and the inside groove that has milled successively in single Piece connecting plate comprises:
When inside groove parallel with Y-axis, from first inside groove adjacent with the right edge on single Piece connecting plate profile limit, milled parallel with the Y-axis room of milling in single Piece connecting plate successively, this mill the room comprise inside groove and single piece connecting plate profile limit about two sides and described inside groove superposed part; And described cutter point is the lower left corner of inside groove;
Parallel with X-axis when inside groove, begin to mill from first inside groove adjacent with the base on single Piece connecting plate profile limit, milled parallel with the X-axis room of milling in single Piece connecting plate successively, this mills top margin and base and inside groove intersection that the room comprises inside groove and profile limit; And described cutter point is the lower right corner of inside groove;
The profile limit of milling described single Piece connecting plate comprises: described single Piece connecting plate is not milled processing with the profile limit of inside groove intersection.
9. a pcb board is characterized in that, described pcb board is a kind of pcb board that application rights requires the described method of the arbitrary claim of 1-8 to generate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110445109.2A CN103188873B (en) | 2011-12-27 | 2011-12-27 | Forming machining method of PCB and PCB |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110445109.2A CN103188873B (en) | 2011-12-27 | 2011-12-27 | Forming machining method of PCB and PCB |
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| Publication Number | Publication Date |
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| CN103188873A true CN103188873A (en) | 2013-07-03 |
| CN103188873B CN103188873B (en) | 2015-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110445109.2A Active CN103188873B (en) | 2011-12-27 | 2011-12-27 | Forming machining method of PCB and PCB |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110602878A (en) * | 2019-08-15 | 2019-12-20 | 鹤山市中富兴业电路有限公司 | Direct forming method for metallized semi-hole |
| CN115135014A (en) * | 2022-07-12 | 2022-09-30 | 冠捷电子科技(福建)有限公司 | Side bonding pad processing method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102036487B (en) * | 2010-11-11 | 2013-11-20 | 北大方正集团有限公司 | Method and device for carrying out formation machining on deck plate and deck plate |
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2011
- 2011-12-27 CN CN201110445109.2A patent/CN103188873B/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110602878A (en) * | 2019-08-15 | 2019-12-20 | 鹤山市中富兴业电路有限公司 | Direct forming method for metallized semi-hole |
| CN115135014A (en) * | 2022-07-12 | 2022-09-30 | 冠捷电子科技(福建)有限公司 | Side bonding pad processing method |
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| Publication number | Publication date |
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| CN103188873B (en) | 2015-07-01 |
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Effective date of registration: 20221020 Address after: 3007, Hengqin international financial center building, No. 58, Huajin street, Hengqin new area, Zhuhai, Guangdong 519031 Patentee after: New founder holdings development Co.,Ltd. Patentee after: ZHUHAI FOUNDER PCB DEVELOPMENT Co.,Ltd. Address before: 100871, Beijing, Haidian District Cheng Fu Road 298, founder building, 9 floor Patentee before: PEKING UNIVERSITY FOUNDER GROUP Co.,Ltd. Patentee before: ZHUHAI FOUNDER PCB DEVELOPMENT Co.,Ltd. |