CN100459830C - Intelligent double-sided wiring board making system - Google Patents
Intelligent double-sided wiring board making system Download PDFInfo
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- CN100459830C CN100459830C CNB2005100364992A CN200510036499A CN100459830C CN 100459830 C CN100459830 C CN 100459830C CN B2005100364992 A CNB2005100364992 A CN B2005100364992A CN 200510036499 A CN200510036499 A CN 200510036499A CN 100459830 C CN100459830 C CN 100459830C
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- wiring board
- conveying belt
- main shaft
- driving wheel
- synchrome conveying
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Abstract
This invention relates to a system to making intelligent two-face wire circuit, which comprises a carving machine controlled by computer, wherein, the EDA technology realized by computer CAD and CAM integration expanding intelligent two-face wire circuit making software controls the processor and controller of carving machine, the geometrical optics location device system is based on semi-automatic non-interference two-face intelligent location system of geometrical optics location device system. The invention can automatically calculate the compensation and correction of tri-dimensional carving route, design circuit and actualize the advantages of EDA technology application, and it also can do IC design, electronic circuit design and PCB design.
Description
[technical field]
The present invention relates to a kind of intelligent double-sided wiring board making system, especially relate to a kind of top layer and bottom data at reading double-sided wiring board (PCB) file, system algorithm calculates top layer and bottom data automatically and realizes that intelligence is from the two-sided location of motion tracking, guarantee that top layer and the bottom data exported coincide, and calculate the intelligent double-sided wiring board making system in three-dimensional engraving path automatically.
[background technology]
Blank wiring board is to paste the copper that covers one deck conduction on insulating body, and the trial-production of PCB wiring board or making are normally delivered to professional circuit board plant to the PCB file that designs and directly made, and common this process will be through the three days time to a week.A product development often needs tens times modification, and the research staff just needs the making of tens wait wiring boards; Under experimental situation, the developer realizes the quick Fabrication wiring board by physical method, chemical corrosion method or laser cutting method.Physical method is: finish line map earlier on blank copper clad plate according to designing requirement, by manual various cutters and the electric tool of utilizing unwanted copper on the wiring board is gone quarter, this method is relatively required great effort, and precision is low, has only simple relatively, less demanding wiring board just may adopt; Because all processes of physical method all are to adopt manual operations, both time-consuming, efficient is low, poor stability, shortcoming that precision is low are arranged again.Chemical corrosion method is: use up earlier and paint or photographic process is produced negative; mask when negative is exposure; the dry film post-exposure is developed in the hot pressing of metallic plate two sides again; the dry film that solidifies is sheltered the part that needs keep; promptly by protective mulch on blank copper clad plate; and the part that needs are removed is exposed, unnecessary copper etching off, the corrosion back is cleaned and oven dry in corrosive solution.But chemical corrosion method is owing to must corrode the entire plate bubble in solution, must clean and oven dry after the corrosion, wiring board is done one through a cold heat, one and is wet, the adhesive force of copper is applied in influence greatly, may be in the experimental debugging process owing to change the electronic original part of different parameters and cause that copper sheet is peeled off and come off, see at microscopically and can find out that lines show off trapezoidally, the edge is irregular, and shape and size are out of control easily.
Laser cutting method is realized by being cut material on the heating of computer control laser head, thawing, the blank wiring board of evaporation.But its equipment cost is too high, and a set of equipment often needs millions of even up to ten million units.
Because the making of pcb board so bothers, particularly for beginner and the electronic circuitry design engineer who partly lacks experience, often owing to pcb board abandons well designing one by one inspiration.The technical school of domestic institution of higher learning and electronics specialty, also owing to pcb board is abandoned experimentation, cause the student in learning process, to lack learning interest, do not have manipulative ability, electron trade to be badly in need of a kind of efficient, automatic, simple to operate, intelligent wiring board maker at a low price after the graduation fully.
[summary of the invention]
In order to exempt to obey existing physical method, chemical corrosion method or laser cutting method existing shortcoming when making pcb board, the invention provides a kind of top layer and bottom data at reading double-sided wiring board (PCB) file, system algorithm calculates top layer and bottom data automatically and realizes that intelligence is from the two-sided location of motion tracking, guarantee that top layer and the bottom data exported coincide, and calculate the intelligent double-sided wiring board making system in three-dimensional engraving path automatically.
The technical solution adopted for the present invention to solve the technical problems is: intelligent double-sided wiring board making system, comprise by computer-controlled engraving machine body, described engraving machine body includes shell, workbench, support, processor, controller, cutter, main shaft, spindle motor, by location, hole geometric optics positioner, stepper drive motors, stepping motor synchronous driving belt driver, communication interface and traversing guide, online between engraving machine body and the computer by communication interface, make processor and controller on the described body of software control by the intelligent double-sided wiring board of the extensibility of the EDA technology of computer CAD and the integrated realization of CAM, the described semi-automatic nothing of passing through location, hole geometric optics positioning apparatus system that is based on the CPLD design by hole location geometric optics positioning apparatus system is intervened two-sided intelligent automatic station-keeping system, described driving water safety is loaded on the front lower place of support, the end, one side of this workbench is provided with gulde edge, main shaft vertically is positioned at the workbench top by fixed support block and is driven by spindle motor, and cutter is installed in the main shaft below and is driven by main shaft; Fixed support block is installed on vertical and two guide rails of horizontal direction successively, two guide rails of X-axis and Z-direction are by stent support, two guide rails of X-axis and Z-direction are driven by X-axis stepper drive motors, Z axle stepper drive motors respectively, realize fixed support block and main shaft by computer instruction along the X-axis left and right horizontal move, the Z axle vertically direction move, workbench is by the horizontal movement before and after the Y-axis of the driving lower edge of axle stepper drive motors of Y direction guide rail; Each axial motion all is by after the processor calculating drive circuit being sent the corresponding rotation of commands for controlling stepper drive motors, making the relative wiring board motion of cutter by synchromesh gear drive main shaft or working table movement; By the rotation of spindle motor, cutter along engraving move the deposited copper on plate surface, circuit the line of cut road or in appointed positions boring, cut edge.
Described stepping motor synchronous driving belt driver is based on the transmission device of CPLD circuit design, comprises traversing guide, guide pillar, synchrome conveying belt, driven pulley and driving wheel; The motor shaft of the stepping motor of driving wheel and engraving machine body is fixed and is driven by motor shaft, guide pillar, driving wheel and driven pulley are by the rail brackets support fixation, this synchrome conveying belt adopts one side that the cingulum of projection profile of tooth is arranged, synchrome conveying belt is installed in driving wheel and driven pulley outside and tensioning, the concane gap that driving wheel and driven pulley have shape and synchrome conveying belt projection profile of tooth to adapt, the projection profile of tooth of synchrome conveying belt just sticks into the concane gap of driving wheel and driven pulley; Synchrome conveying belt one side between driving wheel and driven pulley is fixedlyed connected with traversing guide, and guide pillar is parallel with the synchrome conveying belt between driving wheel and the driven pulley, and traversing guide and guide pillar are slidingly matched.
On the described engraving machine body housing master control panel a plurality of control buttons are installed, control button links to each other with control circuit, can manually send rotation command by control button to stepper drive motors at every turn, move along X-axis, Y-axis or Z axle by synchromesh gear drive king's axle or workbench again, make the relative wiring board motion of process tool; Button on the master control panel has fine adjustment function, can adjust the running speed height or the amount of exercise of machine according to actual needs at any time.
Circular line slideway and synchrome conveying belt transmission are adopted in described main shaft and the motion of workbench direction, and motor direct-drive is utilized the automatic compensation of electronic circuit.
Described synchrome conveying belt disconnects, and at the fixedly connected inside and outside belt pressing plate of both sides, gap two ends difference, the outer belt pressing plate at two ends connects by adjusting device, and inside and outside belt pressing plate is fixedlyed connected with traversing guide simultaneously.
The intelligent double-sided wiring board that the present invention is based on CAD/CAM designs and produces integrated, extensibility based on the incorporate realization of CAD/CAM EDA technology, based on stepping motor synchrome conveying belt actuator drives technology, based on stepping motor synchrome conveying belt actuator drives wiring board maker line slideway and transmission, Control Software based on the CPLD design realizes that intelligence is from the two-sided location of motion tracking, intervening two-sided intelligence based on the employing of CPLD design by the hole semi-automatic nothing of location geometric optics positioning apparatus system locatees automatically, based on the CPLD design stability and precision that three-dimensional engraving path compensates and revises are controlled, has stability and precision control that automatic calculating compensates and revises three-dimensional engraving path, circuit design and defence early warning are strong, be difficult for being cracked, strong security, the intelligent double-sided wiring board positioning control system, realize that Control Software can realize intelligence track and localization automatically, adopt the geometric optics positioner by hole location, can semi-automatic nothing intervene two-sided intelligence and locate automatically; Bore error is less than 1mil, and positioning apparatus system is operate as normal for a long time, carves two-sided/single face wiring board, realizes the advantage of EDA The Application of Technology.Can auxiliary carry out IC design, design of electronic circuits and PCB design.
The present invention utilizes physics engraving process, by computer control, on the copper clad plate of blank unnecessary Copper Foil is milled, and forms the wiring board that the user customizes.The highest PROTEL software of its compatible domestic utilization rate, directly utilize the PCB fileinfo of PROTEL, under the situation that turns over journey, directly exporting engraved data, doing engraving, boring, side cut work by the self-defining data format control of computer maker.As long as the designer finishes the PCB file design of PROTEL, machine will read designer's intention automatically, produce satisfactory wiring board automatically.
[description of drawings]
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is an engraving machine body construction schematic diagram of the present invention;
Fig. 2 is the modular construction left view of Fig. 1 of the present invention except that shell.
Fig. 3 is the structural representation of transmission mechanism of the present invention;
Fig. 4 is the structural representation of Fig. 3 A-A direction of the present invention;
Fig. 5 is an operating circuit schematic diagram of the present invention.
Among the figure: 1-spindle motor, 2-cutter, 3-X axle stepper drive motors, 4-Y axle stepper drive motors, 5-Z axle stepper drive motors, 6-workbench, the 7-shell, 8-gulde edge, 9-mains switch, 10-main shaft operating switch, 11-control button, 12-support, the 13-traversing guide, 14-wiring board, 15-supply socket, the 16-communication interface, 17-main shaft, 18-computer, the 19-processor, 20-geometric optics positioning apparatus system, 21-fixed support block, the 22-synchrome conveying belt, 23-drive circuit, 24-controller, 25 driven pulleys, 26-driving wheel, 27-rail brackets, the 28-guide pillar, 29-spring stack, 30-spring, the 31-motor shaft, 32-guide pin bushing, 33-follower shaft, belt pressing plate in the 34-, the outer belt pressing plate of 35-, 36-adjustment screw.
[embodiment]
Referring to Fig. 1, Fig. 2 and Fig. 5, a kind of intelligent double-sided wiring board making system, comprise engraving machine body by computer 18 controls, described engraving machine body includes shell 7, workbench 6, support 12, processor 19, controller 24, cutter 2, main shaft 17, spindle motor 1, by location, hole geometric optics positioner 20, stepper drive motors, stepping motor synchronous driving belt driver, communication interface 16 and traversing guide 13, online between engraving machine body and the computer 18 by communication interface 16, make processor 19 and controller 24 on the described body of software control by the intelligent double-sided wiring board of the extensibility of the EDA technology of computer CAD and the integrated realization of CAM, the described semi-automatic nothing of passing through location, hole geometric optics positioning apparatus system that is based on the CPLD design by hole location geometric optics positioner 20 systems is intervened two-sided intelligent automatic station-keeping system, described workbench 6 levels are installed on the front lower place of support 12, the end, one side of this workbench 6 is provided with gulde edge 8, main shaft 17 vertically is positioned at workbench 6 tops by fixed support block 21 and is driven by spindle motor 1, and cutter 2 is installed in main shaft 17 belows and is driven by main shaft 17; Fixed support block 21 is installed on vertical and two guide rails of horizontal direction successively, two guide rails of X-axis and Z-direction are supported by support 12, two guide rails of X-axis and Z-direction are driven by X-axis stepper drive motors 3, Z axle stepper drive motors 5 respectively, realize fixed support block 21 and main shaft 17 by computer 18 instructions along the X-axis left and right horizontal move, the Z axle vertically direction move, workbench 6 is by the horizontal movement before and after the Y-axis of the driving lower edge of Y-axis stepper drive motors 4 of Y direction guide rail; Each axial motion all is by after processor 19 computings drive circuit 23 being sent the corresponding rotation of commands for controlling stepper drive motors, making cutter 2 relative wiring boards 14 motions by synchromesh gear drive main shaft 17 or workbench 6 motions; By the rotation of spindle motor 1, cutter 2 processes satisfactory wiring board 14 along the deposited copper of carving plate 14 surfaces, circuit the line of cut road of moving or in appointed positions boring, side cut.
A plurality of control buttons 11 are installed on machine casing 7 master control panels, control button 11 links to each other with drive circuit 23, can manually send rotation command by control button 11 to stepper drive motors at every turn, move along X-axis, Y-axis or Z axle by synchromesh gear drive main shaft 17 or workbench 6 again, make process tool 2 relative wiring boards 14 motions.Control button 11 on the master control panel has fine adjustment function, can adjust the running speed height or the amount of exercise of machine according to actual needs at any time.On intelligent wiring board maker shell 7 total power switch 9, supply socket 15 and communication interface 16 are set, intelligent wiring board maker connects computer 18 by communication interface 16, and receiving computer 18 instructions are to computer 18 feedback operation states.
Stepping motor synchronous driving belt driver is based on the transmission device of CPLD circuit design among the present invention, as shown in Figure 3 and Figure 4, comprises traversing guide 13, guide pillar 28, synchrome conveying belt 22, driven pulley 25 and driving wheel 26; Driving wheel 26 is fixed with the motor shaft 31 of the stepping motor of engraving machine body and is driven motor shaft 31 by stepper drive motors and drives, guide pillar 28, driving wheel 26 and driven pulley 25 are by rail brackets 27 support fixation, and driven pulley 25 is fixing with rail brackets 27 by follower shaft 33.This synchrome conveying belt adopts one side that the cingulum of projection profile of tooth is arranged, synchrome conveying belt 22 is installed in driving wheel 26 and driven pulley 25 outsides and tensioning, the concane gap that driving wheel 26 and driven pulley 25 have shape and synchrome conveying belt 22 projection profiles of tooth to adapt, the projection profile of tooth of synchrome conveying belt 22 just sticks into the concane gap of driving wheel 26 and driven pulley 25; Belt pressing plate 34 and outer belt pressing plate 35 in both sides, synchrome conveying belt 22 gap two ends are fixedly connected respectively, the profile of tooth of interior belt pressing plate 34 and synchrome conveying belt 22 projection profiles of tooth adapt, the outer belt pressing plate 35 at two ends connects by adjustment screw 36, and interior belt pressing plate 34 is fixedlyed connected with traversing guide 13 with outer belt pressing plate 35 simultaneously.Guide pillar 28 is parallel with the synchrome conveying belt 22 between driving wheel 26 and the driven pulley 25, and traversing guide 13 is slidingly matched by guide pin bushing 32 and guide pillar 28.Degree of tightness by adjustment screw 36 is regulated synchrome conveying belt 22 guarantees to operate steadily.This synchrome conveying belt 22 uses after a period of time as needs to be changed, as long as belt pressing plate 34 just can be changed easily with outer belt pressing plate 35 in unclamping, easy to maintenance.
The spring stack 29 that stretches out in traversing guide 13 both sides connects spring 30 1 ends, and the other end of spring 30 upwards hangs on the rail brackets 13.This extension spring 30 is used for carrying the weight of traversing guide 13 and spindle motor 1 associated components, reduces the load capacity of synchrome conveying belt 22 when motion.
The present invention's course of work in actual use is: the first step is to start double-sided wiring board to make function software, selects the top layer of wiring board 14; Second step was a size of selecting copper clad plate, made the length of the wiring board 14 that function software reads and wide data according to double-sided wiring board, sticked double faced adhesive tape at the back side of copper clad plate, then the gulde edge 8 of copper clad plate near workbench 6 was adjacent on workbench 6.
The 3rd step was to decide start position, den bohrkopf einsetzen, main shaft 17 is moved on to the lower right corner of copper clad plate, drill bit is from the right and following about 30mm place of copper clad plate, press the online button (indicator light is for green) on the machine, press function software " brill location hole 1 " key then, press the online button off line (indicator light is for red) on the machine again, at this moment " x " on machine axle and " Y " axle button are adjusted to drill bit the lower right corner of copper clad plate, make drill bit just in time in copper clad plate, again successively by " boring location hole 2 ", " bore location hole 3 " and " boring location hole 4 " key, last main shaft 17 is got back to original position.
The 4th step was to adjust Z axle height, made drill bit be adjacent to the copper clad plate surface, and this moment, available a scrap of paper was placed on the wiring board 14, and is approaching to judge distance with the Z+1mm bigness scale, used Z+0.1 instead and progressively transferred closely, and continuous mobile paper of while is till paper is just in time extracted out.
The 5th is by the thickness of slab key in the function software, selects the thickness of copper clad plate, and the thickness setting of plate should be more bigger than the actual (real) thickness of plate.
The 6th is to bore location hole: press " online " button online (indicator light is for green) on the engraving machine body, open main shaft power supply 10, by " boring locate mode continuously " key in the function software, begin to bore location hole.
The 7th step boring: press " online " button off line (indicator light is redness) on the engraving machine body, with the Z+0.1 button drill bit is adjusted to and just in time got into copper clad plate and get final product, press the boring key in the function software.
The 8th step was an engraving, pressed " online " button off line (indicator light is for red) on the engraving machine body, adjusted Z axle height, make cutter 2 points press close to tight copper clad plate surface, this moment, available a scrap of paper was placed on the wiring board, progressively transferred closely with Z+0.1, continuous mobile paper simultaneously, paper can not be extracted out till; Press " online " button online (indicator light is for green) on the engraving machine body, press the degree of depth of " examination carving " the test feed 2 in the function software.The degree of depth of cutter 2 is just in time to mill copper clad plate into best.If the degree of depth of cutter 2 is crossed shallow deeply excessively, press " online " button off line (indicator light is for red) on the engraving machine body, adjust with " Z+0.1mm " or " Z+0.01mm " on the Z axle button, till suitable; After the degree of depth of cutter 2 is adjusted, press " online " button online (indicator light is for green) on the machine, press " engraving " key in the function software, begin engraving, after engraving was finished, cutter head 2 was parked in start position automatically.
The engraving of the 9th step bottom, after top layer has been carved, make the bottom that line map is selected by function software with double-sided wiring board, with wiring board 14 by bottom upwards counter-rotating be fixed on 6 of workbench, this moment, the placement direction of wiring board 14 was constant with the direction on the engraving left side and the right, bottom and upper segment is exchanged, and repeats for the 3rd, the 4th, the 5th, the 9th, the tenth step then.
The tenth step cut edge, after having carved bottom, cutter head 2 is parked in start position automatically, and at this moment by " milling the limit " key in the function software, machine begins by the designing requirement design outline, after finishing cutting process, close main shaft power supply 10, enter off-line state, press Z axle adjusting key the Z axle is raise by attention key, close main power source 9, wiring board 14 is taken off from workbench 6 faces.
Claims (5)
1, intelligent double-sided wiring board making system, comprise by computer-controlled engraving machine body, described engraving machine body includes shell, workbench, support, processor, controller, cutter, main shaft, spindle motor, by location, hole geometric optics positioner, stepper drive motors, stepping motor synchronous driving belt driver, communication interface and traversing guide, online between engraving machine body and the computer by communication interface, make processor and controller on the described body of software control by the intelligent double-sided wiring board of the extensibility of the EDA technology of computer CAD and the integrated realization of CAM, it is characterized in that: the described semi-automatic nothing of passing through location, hole geometric optics positioning apparatus system that is based on the CPLD design by hole location geometric optics positioner is intervened two-sided intelligent automatic positioning equipment, described driving water safety is loaded on the front lower place of support, the end, one side of this workbench is provided with gulde edge, main shaft vertically is positioned at the workbench top by fixed support block and is driven by spindle motor, and cutter is installed in the main shaft below and is driven by main shaft; Fixed support block is installed on vertical and two guide rails of horizontal direction successively, two guide rails of X-axis and Z-direction are by stent support, two guide rails of X-axis and Z-direction are driven by X-axis stepper drive motors, Z axle stepper drive motors respectively, realize fixed support block and main shaft by computer instruction along the X-axis left and right horizontal move, the Z axle vertically direction move, workbench is by the horizontal movement before and after the Y-axis of the driving lower edge of axle stepper drive motors of Y direction guide rail; Each axial motion all is by after the processor calculating drive circuit being sent the corresponding rotation of commands for controlling stepper drive motors, making the relative wiring board motion of cutter by synchromesh gear drive main shaft or working table movement; By the rotation of spindle motor, cutter along engraving move the deposited copper on plate surface, circuit the line of cut road or in appointed positions boring, cut edge.
2, intelligent double-sided wiring board making system according to claim 1, it is characterized in that: described stepping motor synchronous driving belt driver is based on the transmission device of CPLD circuit design, comprises traversing guide, guide pillar, synchrome conveying belt, driven pulley and driving wheel; The motor shaft of the stepping motor of driving wheel and engraving machine body is fixed and is driven by motor shaft, guide pillar, driving wheel and driven pulley are by the rail brackets support fixation, this synchrome conveying belt adopts one side that the cingulum of projection profile of tooth is arranged, synchrome conveying belt is installed in driving wheel and driven pulley outside and tensioning, the concane gap that driving wheel and driven pulley have shape and synchrome conveying belt projection profile of tooth to adapt, the projection profile of tooth of synchrome conveying belt just sticks into the concane gap of driving wheel and driven pulley; Synchrome conveying belt one side between driving wheel and driven pulley is fixedlyed connected with traversing guide, and guide pillar is parallel with the synchrome conveying belt between driving wheel and the driven pulley, and traversing guide and guide pillar are slidingly matched.
3, intelligent double-sided wiring board making system according to claim 1, it is characterized in that: on the described engraving machine body housing master control panel a plurality of control buttons are installed, control button links to each other with control circuit, can manually send rotation command by control button to stepper drive motors at every turn, move along X-axis, Y-axis or Z axle by synchromesh gear drive main shaft or workbench again, make the relative wiring board motion of process tool; Button on the master control panel has fine adjustment function, can adjust the running speed height or the amount of exercise of machine according to actual needs at any time.
4, intelligent double-sided wiring board making system according to claim 1 is characterized in that: circular line slideway and synchrome conveying belt transmission, motor direct-drive are adopted in described main shaft and the motion of workbench direction.
5, intelligent double-sided wiring board making system according to claim 2, it is characterized in that: described synchrome conveying belt disconnects, at the fixedly connected inside and outside belt pressing plate of both sides, gap two ends difference, the outer belt pressing plate at two ends connects by adjusting device, and inside and outside belt pressing plate is fixedlyed connected with traversing guide simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100364992A CN100459830C (en) | 2005-08-15 | 2005-08-15 | Intelligent double-sided wiring board making system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100364992A CN100459830C (en) | 2005-08-15 | 2005-08-15 | Intelligent double-sided wiring board making system |
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| CN1731920A CN1731920A (en) | 2006-02-08 |
| CN100459830C true CN100459830C (en) | 2009-02-04 |
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| CNB2005100364992A Expired - Fee Related CN100459830C (en) | 2005-08-15 | 2005-08-15 | Intelligent double-sided wiring board making system |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102039435A (en) * | 2009-10-14 | 2011-05-04 | 北大方正集团有限公司 | Slotted hole machining method |
| CN105807687A (en) * | 2016-04-06 | 2016-07-27 | 詹跃明 | Engraving control device for printed circuit board (PCB) |
| CN106240210A (en) * | 2016-08-17 | 2016-12-21 | 龚云超 | A kind of equipment of intelligent engraving dowel |
| CN107009795B (en) * | 2017-05-31 | 2018-06-15 | 台州市黄岩登丰文化用品有限公司 | A kind of two-sided engraving machine |
| CN108551724A (en) * | 2018-07-12 | 2018-09-18 | 江西旭昇电子有限公司 | Printing line circuit showing methods device and method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05243747A (en) * | 1992-03-03 | 1993-09-21 | Hitachi Chem Co Ltd | Manufacture of multilayer wiring board |
| US6535782B1 (en) * | 2000-03-13 | 2003-03-18 | General Electric Company | Automatic optioning method for printed circuit boards |
| CN1599541A (en) * | 2004-07-17 | 2005-03-23 | 韶关市恒鑫科贸有限公司 | Drive device of wiring board manufacturing machine |
| CN2715468Y (en) * | 2004-07-17 | 2005-08-03 | 韶关市恒鑫科贸有限公司 | Transmission device for wiring board producing machine |
-
2005
- 2005-08-15 CN CNB2005100364992A patent/CN100459830C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05243747A (en) * | 1992-03-03 | 1993-09-21 | Hitachi Chem Co Ltd | Manufacture of multilayer wiring board |
| US6535782B1 (en) * | 2000-03-13 | 2003-03-18 | General Electric Company | Automatic optioning method for printed circuit boards |
| CN1599541A (en) * | 2004-07-17 | 2005-03-23 | 韶关市恒鑫科贸有限公司 | Drive device of wiring board manufacturing machine |
| CN2715468Y (en) * | 2004-07-17 | 2005-08-03 | 韶关市恒鑫科贸有限公司 | Transmission device for wiring board producing machine |
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| CN1731920A (en) | 2006-02-08 |
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