CN2627791Y - Surface mount technology equipment with continuous flexible circuit board as substrate - Google Patents
Surface mount technology equipment with continuous flexible circuit board as substrate Download PDFInfo
- Publication number
- CN2627791Y CN2627791Y CN 03263361 CN03263361U CN2627791Y CN 2627791 Y CN2627791 Y CN 2627791Y CN 03263361 CN03263361 CN 03263361 CN 03263361 U CN03263361 U CN 03263361U CN 2627791 Y CN2627791 Y CN 2627791Y
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- CN
- China
- Prior art keywords
- unit
- circuit board
- electric circuit
- flexible electric
- tin cream
- 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.)
- Expired - Lifetime
Links
- 239000000758 substrate Substances 0.000 title claims abstract description 10
- 238000005516 engineering process Methods 0.000 title claims description 12
- 238000005476 soldering Methods 0.000 claims abstract description 21
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 30
- 239000006071 cream Substances 0.000 claims description 29
- 230000000694 effects Effects 0.000 claims description 5
- 238000007639 printing Methods 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 230000008676 import Effects 0.000 claims 3
- 229910000679 solder Inorganic materials 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 6
- 238000010438 heat treatment Methods 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000005611 electricity Effects 0.000 abstract description 2
- 230000003068 static effect Effects 0.000 abstract description 2
- 238000005096 rolling process Methods 0.000 description 22
- 230000003287 optical effect Effects 0.000 description 18
- 238000000926 separation method Methods 0.000 description 13
- 238000010586 diagram Methods 0.000 description 4
- 238000007669 thermal treatment Methods 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- RSWGJHLUYNHPMX-UHFFFAOYSA-N Abietic-Saeure Natural products C12CCC(C(C)C)=CC2=CCC2C1(C)CCCC2(C)C(O)=O RSWGJHLUYNHPMX-UHFFFAOYSA-N 0.000 description 1
- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000012190 activator Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000000935 solvent evaporation Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 238000013024 troubleshooting Methods 0.000 description 1
Images
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- Electric Connection Of Electric Components To Printed Circuits (AREA)
Abstract
A surface mounting technique device using a continuous flexible circuit board as a substrate comprises: a feeding unit outputting a flexible circuit board in a continuous band form in a whole roll; a solder paste forming unit for forming solder paste on at least one surface of the flexible circuit board according to a predetermined pattern; a component taking and placing unit for arranging a plurality of electronic components on the surface of the flexible circuit board for forming the solder paste according to the preset positions; a soldering unit for heating solder paste on the flexible circuit board to solder the electronic element on the flexible circuit board; a material receiving unit for inputting the flexible circuit board welded with the electronic element; and a control unit for controlling the respective and overall operations of the above units. Since the flexible circuit board is continuously advanced in the manufacturing process and has no interference of external factors, the probability of external pollution and static electricity generation can be reduced, and the product yield can be improved.
Description
Technical field
The utility model relates to a kind of surface adhering technical equipment, relates to particularly that a kind of what most electronic components can be installed on the continuous band-shaped form flexible electric circuit board of a whole volume with the surface adhering technology is the surface adhering technical equipment of substrate with the continous way flexible electric circuit board.
Background technology
Because flexible electric circuit board (Flexible Printed Circuit, FPC) have many advantages such as frivolous, small and exquisite, deflection, low-voltage and low consumpting power, be widely used at present as mobile phone (mobile phone), notebook computer portable message, communication and consumption electronic products such as (notebook).
Existing surface adhering technology (the Surface Mounted Technology that borrows, SMT, claim surface mounting technology again) most electronic components are installed on the mode of flexible electric circuit board, be that the former whole volume flexible electric circuit board that is band shape is divided into most lamellar bodies along its length to cutting, then each lamellar body is attached at a carrying hardboard, puts surface adhering technical operation boards such as (pick and place) machine and reflow machine by getting through the conveyer belt conveying as stencil printer, element to simulate general printed circuit board (PCB).
But above-mentioned flexible electric circuit board cut, attach and the transport operation between each board not only expends time in and the manpower equipment cost, because can't closely continuous and gapped existence before and after between each flexible electric circuit board lamellar body on the conveyer belt, production line length required under identical output is longer, and the configuration surroundings limited for the factory building space will produce many restrictions.
The utility model content
Therefore, the purpose of this utility model is to provide that a kind of what most electronic components can be installed on the continuous band-shaped form flexible electric circuit board of a whole volume with the surface adhering technology is the surface adhering technical equipment of substrate with the continous way flexible electric circuit board.
For achieving the above object, the technical solution of the utility model is as follows:
A kind of is the surface adhering technical equipment of substrate with the continous way flexible electric circuit board, borrow the surface adhering technology to be mounted to a flexible electric circuit board in most electronic components, this equipment comprises: a feed unit, a tin cream form the unit, an element is got and put unit, a soldering unit, a rewinding unit and a control unit.Feed unit is that the continuous belt-like form of whole volume is exported this flexible electric circuit board.Tin cream forms the unit then from feed unit input flexible electric circuit board, and tin cream is formed at least one surface of flexible electric circuit board according to a predetermined pattern.Element is got and is put the unit from the flexible electric circuit board of tin cream formation unit input through the formation tin cream, and electronic component is disposed at the surface that the flexible electric circuit board tin cream forms according to most precalculated positions.The soldering unit is got from element and is put the flexible electric circuit board that the unit input is configured electronic component, and the tin cream electronic component on the heating flexible electric circuit board is welded in flexible electric circuit board.The rewinding unit is from the flexible electric circuit board of soldering unit input through the solid welding electronic component.The running out of the ordinary and whole of control unit control said units.
Description of drawings
Is that the surface adhering technical equipment of substrate be elaborated to the utility model with the continous way flexible electric circuit board below by most preferred embodiment and accompanying drawing, in the accompanying drawing:
Fig. 1 is that the utility model is the preferred embodiment configured in one piece front-view schematic diagram of the surface adhering technical equipment of substrate with the continous way flexible electric circuit board;
Fig. 2 is a feed unit front-view schematic diagram in this preferred embodiment;
Fig. 3 is a soldering unit front-view schematic diagram in this preferred embodiment;
Fig. 4 is a rewinding unit front-view schematic diagram in this preferred embodiment.
Embodiment
As shown in Figure 1, the utility model is the preferred embodiment of the surface adhering technical equipment of substrate with the continous way flexible electric circuit board, comprise: a feed unit 1, a tin cream form unit 2, an element is got and put unit 3, a soldering unit 4, a rewinding unit 5 and a control unit 6, and in order to borrow surface adhering technology (SMT) to be mounted to a flexible electric circuit board 8 in most electronic components 7.
Be pointed out that earlier at this, flexible electric circuit board 8 is to be example with a film circuit board in the present embodiment, and be that the electronic component (SMD) 7 of surface adhesive type is example only in flexible electric circuit board 8 single mounted on surface, but this film circuit board also can be other flexible electric circuit board patterns with big thickness to be replaced, correlation unit also can suitably be revised with the two-sided electronics 7 that all carries out in flexible electric circuit board 8 and assemble, and wherein portions of electronics element 7 also can be jack type element (Through-Hole Device) and adopts hybrid assembling, and these change application all belong to essential scope of the present utility model.
As shown in Figure 2, feed unit 1 is to be provided with the continuous belt-like form output flexible electric circuit board 8 of whole volume, be positioned at separation pad (spacer) rolling wheel 12, a tension force roller set 13 near feed unit 1 outlet side under the flexible electric circuit board rolling wheel 11 and mainly have a flexible electric circuit board rolling wheel 11,, and be positioned at one of 11,12 of rolling wheels and do not have material detector 14 and and completely expect detector 15.
Be electronic components mounted 7 destruction that is squeezed on the prevention flexible electric circuit board 8, on the flexible electric circuit board rolling wheel 11 arbitrarily 8 of the adjacent inside and outside layer of two-phase flexible electric circuit boards all isolate with the existing separation pad of making just like PE or other soft suitable materials 91 in advance, make 8 unlikely direct crimping of adjacent inside and outside layer flexible electric circuit board.Flexible electric circuit board rolling wheel 11 and separation pad rolling wheel 12 are respectively driven by a motor (figure does not show) and rotate, wherein separation pad rolling wheel 12 is to adopt a tension motor, and continue to bestow fixedly torsion so that separation pad 91 is pulled out recovery from flexible electric circuit board rolling wheel 11 under certain tension force, make flexible electric circuit board 8 separately through the scrolling of flexible electric circuit board rolling wheel 11, slightly be the guiding of the guide plate 16 of inclination and support wheel 17 (each unit 2 to 5 appropriate location also is interval with most supports wheels, not elsewhere specified (NES) thereafter) by tension force roller set 13 through one.Tension force roller set 13 comprises a driving wheel 131 by a motor (figure do not show) driven rotary, and one is positioned at driving wheel 131 tops and makes flexible electric circuit board 8 keep smooth idle pulley 132 with common clamping flexible electric circuit board 8.Flexible electric circuit board 8 is to borrow the drive of rewinding unit 5 and advance in 1 to 5 of each unit in the present embodiment, and its details holds detailed description.
Do not have material detector 14 and completely expect detector 15 according to a predetermined height difference upper and lower settings, it is all the optical detecting pattern in present embodiment, and respectively comprises a pair of optical transmitting set 141, optical receiver 142 and a pair of optical transmitting set 151 and optical receiver 152.When this unit 1 starts, control unit 6 will be by expecting that completely detector 15 detects, if no flexible electric circuit board 8 makes the light source of optical transmitting set 151 emissions must be for optical receiver 152 receptions the time through optical transmitting sets 151 and 152 of optical receivers, control unit 6 will start flexible electric circuit board rolling wheel 11 and send flexible electric circuit board 8, until flexible electric circuit board 8 through optical transmitting sets 151 and 152 of optical receivers and the light source of blocking light reflector 151 emissions.In like manner, when flexible electric circuit board 8 is used up, because of no flexible electric circuit board 8 through 142 of optical transmitting sets 141 and optical receivers, also can the running that stop this unit 1 by not having that material detector 14 detects, and produce alarm by a corresponding attention device (figure does not show) that is arranged at control unit 6 and replenish flexible electric circuit board 8 with the notifying operation personnel.
It is to be continuous band-shaped flexible electric circuit board 8 from feed unit 1 input that tin cream forms unit 2, tin cream (solder spaste) is formed at the upper surface of flexible electric circuit board 8 according to a predetermined pattern (pattern).All electronic components 7 are all the surface adhesive type pattern as described above, present embodiment is reflow (reflow soldering) method that cooperates in the SMT processing procedure, when control unit 6 when any existing mode predicts flexible electric circuit board 8 and arrives tin creams and form in the unit 2 precalculated position, the drive that just makes rewinding unit 5 stop flexible electric circuit board 8 is carried, and make a vacuum plant that flexible electric circuit board 8 is fixing from bottom absorption, control a steel plate that forms most perforates according to a predetermined pattern again and cooperate a scraper, with paste solder printing in flexible electric circuit board 8 upper surfaces, be completed for printing the back and feedback a signal, advance to carry flexible electric circuit board 8 once again to control unit 6.Except that other addressed, above-mentioned member was because of being to belong to prior art, so its details and correspondence pattern part not elsewhere specified (NES) all.
Other is pointed out that above-mentioned tin cream also can be formed at flexible electric circuit board 8 through syringe or other the suitable modes as similarity glue (Syringe Dispensing).And paste solder printing/wave soldering method (wave soldering) that present embodiment adopts replaces, and all belongs to essential scope of the present utility model.
Element is got and put unit 3 is to form unit 2 inputs from tin cream to be continuous band-shaped and through forming the flexible electric circuit board 8 of tin cream, to be disposed at the upper surface that flexible electric circuit board 8 forms for tin cream so that electronic component 7 is complied with most precalculated positions.Arrive elements and get when putting in the unit 3 precalculated position when control unit 6 predicts flexible electric circuit board 8, just make rewinding unit 5 stop the conveying of flexible electric circuit board 8, and make a vacuum plant that flexible electric circuit board 8 is fixing from bottom absorption, control a vacuum slot again and cooperate an optical image positioner, each electronic component 7 is placed in flexible electric circuit board 8 upper surface precalculated positions, get put the action finish after and feedback a signal to control unit 6, advance to carry flexible electric circuit board 8 once again.Except that other addressed, above-mentioned member was because of being to belong to prior art, so its details and correspondence pattern part not elsewhere specified (NES).
Soldering unit 4 is to get from element to put that unit 3 input is continuous band-shaped and the flexible electric circuit board 8 that is configured each electronic component 7, and the tin cream on the heating flexible electric circuit board 8 makes electronic component 7 be welded in flexible electric circuit board 8.As shown in Figure 3; soldering unit 4 is to adopt infrared ray (IR) the quartz heating-pipe mode that can reach transient heating and cooling effect in the present embodiment; use for solvent evaporation, activator effect and the preheating zone 41 of removing oxide layer and comprise; and a main thermal treatment zone 42 that forms the rosin diaphragm for evenly wetting (wetting) and tin molten (melt), and two heaters the 411, the 421st of the preheating zone 41 and the main thermal treatment zone 42, lay respectively at flexible electric circuit board 8 downsides and upside.But easily full of beard and be, as laser, hot gas (hot gas), steam weldering, hot pressing (hot press) or other existing reflow technology also applicable to this unit 4.
When control unit 6 when any existing mode predicts flexible electric circuit board 8 and arrives in the preheating zones 41 or the main thermal treatment zone 42 precalculated position, the drive that just makes rewinding unit 5 stop flexible electric circuit board 8 is carried, and making heater 411 or 421 heat a scheduled time according to a predetermined temperature, control unit 6 will be controlled flexible electric circuit board 8 once again and advance after heating is finished.Except that other addressed, above-mentioned member was because of being to belong to prior art, so its details not elsewhere specified (NES).
As shown in Figure 4,4 inputs are continuous band-shaped and through the flexible electric circuit board 8 of each electronic component 7 of solid welding from the soldering unit in rewinding unit 5, be positioned at the inboard mobile anchor clamps 54 of stationary fixture 53 and mainly have separation pad rolling wheel 52, the stationary fixture near rewinding unit 5 input sides (clamp) 53, that flexible circuit coiled sheet input 51, is positioned under the flexible circuit coiled sheet input 51, and a rewinding that is positioned at 51,52 of rolling wheels starts detector 55 and a rewinding stops detector 56.
The actuating source that mobile anchor clamps 54 advance for carrying flexible electric circuit board 8 in this equipment, the control of its controlled unit 6, and move before and after on the horizontal throw of 541,542 in two precalculated positions on the fixed platform 57 of clamping flexible electric circuit boards 8, in each run, to drive the flexible electric circuit board 8 corresponding distance of advancing.When mobile anchor clamps 54 are arranged in the inner side 541 of figure, stationary fixture 53 is with the control of controlled unit 6 and first clamping flexible electric circuit board 8, mobile anchor clamps 54 discharge flexible electric circuit board 8 subsequently and move to outermost locations 542 and clamping flexible electric circuit board 8 once again, behind seasonal stationary fixture 53 release flexible electric circuit boards 8, make mobile anchor clamps 54 drive flexible electric circuit boards 8 and advance to inner side 541, borrow the compounding practice of above-mentioned mobile anchor clamps 54 and stationary fixture 53, flexible electric circuit board 8 perseverances are kept certain advanced tension force and unlikelyly curl even retreat.
The flexible electric circuit board 8 that drives through mobile anchor clamps 54 and after support wheel 58 and slightly is the guiding of guide plate 59 of inclination rolling in flexible electric circuit board rolling wheel 51.Behind this device start, control unit 6 will start detector 55 through rewinding earlier and detect, if recording flexible electric circuit board 8, it starts 552 of an optical transmitting set 551 of detector 55 and optical receivers by rewinding, then start a motor (figure do not show) and drive flexible electric circuit board rolling wheel 51 and rotate and reclaim flexible electric circuit boards 8, until rewinding stop to detect 56 record do not have flexible electric circuit board 8 by 562 of one optical transmitting set 561 and optical receivers till.
Separation pad rolling wheel 52 is when circuit board rolling wheel 51 rotates recovery flexible electric circuit board 8; one separation pad 92 is added 8 of any adjacent ectonexine flexible electric circuit boards in the lump; the reason extruding is not impaired with the electronic component 7 on the protection flexible electric circuit board 8, and separation pad 92 essence are just taken from the separation pad 91 that separation pad rolling wheel 12 is reclaimed.Separation pad rolling wheel 52 is to use a tension motor (figure does not show) and continues to provide a fixing reverse torsion in the present embodiment, in order to permanent after reclaiming when flexible electric circuit board 8, make separation pad 92 be maintained at one and be subjected to be involved in circuit board rolling wheel 51 in the lump together with flexible electric circuit board 8 under the tension state 51 tensions of circuit board rolling wheel.
And when this equipment has any fault need shut down with eliminating; to cause former design temperature entanglement phenomenon in soldering unit 4; this moment, other unit 1,2,3 and 5 still continued uncompleted operation is finished; then the equipment beginning stops action, but need cool the temperature in the critical field immediately after 4 reflows of tin unit are finished.When troubleshooting equipment entry into service once again, all unit 1 to 5 need the mode of operation of first involution (reset) to previous running.
Through above-mentioned each unit and the operation control mode, the utility model provides a kind of can directly carry out surface adhering technology installed device with continuous band-shaped flexible electric circuit board electronic component, can significantly save in the existing processing procedure and cut time and the equipment needed thereby that attaches flexible electric circuit board and between each unit, carry, and reduce production costs in a large number.In addition, owing to flexible electric circuit board is to be continuous band-shaped conveying not have the gap,, therefore increase the free space that it is provided with factory building so production line length can be minimized.And, because flexible electric circuit board is to advance continuously in above-mentioned processing procedure, and unmannedly be or other external equipment are got involved the carrying conveying to improve the rate of pass so can reduce extraneous contamination and generation of static electricity machine probability.
Claims (6)
1. one kind is the surface adhering technical equipment of substrate with the continous way flexible electric circuit board, borrow the surface adhering technology to be mounted to a flexible electric circuit board in most electronic components, this equipment comprises: a feed unit, a tin cream form the unit, an element is got and put unit, a soldering unit, a rewinding unit and a control unit, it is characterized in that:
This feed unit is that the continuous belt-like form of whole volume is exported this flexible electric circuit board;
This tin cream forms the unit and imports this flexible electric circuit board from this feed unit, and tin cream is according to a predetermined round at least one surface that is formed at this flexible electric circuit board;
This element is got and is put the unit and form unit from this tin cream and import this through forming the flexible electric circuit board of tin cream, and electronic component is disposed at the surface that this flexible electric circuit board tin cream forms according to most precalculated positions;
This soldering unit is got from this element and is put the unit and import the flexible electric circuit board that this is configured these electronic components, and these electronic components of tin cream that heat on this flexible electric circuit board are welded in this flexible electric circuit board;
This flexible electric circuit board through the solid welding electronic component is imported in this rewinding unit from the soldering unit;
The running out of the ordinary and whole of this control unit control said units.
2. equipment as claimed in claim 1 is characterized in that: it is to borrow mode of printing that tin cream is formed at this flexible electric circuit board that this tin cream forms the unit.
3. equipment as claimed in claim 1 is characterized in that: this soldering unit is to borrow the reflow mode that electronic component is welded in this flexible electric circuit board.
4. equipment as claimed in claim 1 is characterized in that: this control unit is this flexible electric circuit board to be stayed in this tin cream form unit, element and get the time of putting unit and soldering unit and be controlled to be identical.
5. equipment as claimed in claim 1 is characterized in that: this control unit is this flexible electric circuit board to be stayed in this tin cream form unit, element and get the time of putting unit and soldering unit and be controlled to be identical.
6. as claim 1 or 4 described equipment, it is characterized in that: this tin cream form unit, element get put unit or soldering unit wherein an activity duration longer, this control unit will be controlled other Unit two and be holding state in finishing separately after the operation sequence, after this activity duration, its operation was finished in long unit, control unit began to control this flexible electric circuit board and advances.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03263361 CN2627791Y (en) | 2003-06-02 | 2003-06-02 | Surface mount technology equipment with continuous flexible circuit board as substrate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03263361 CN2627791Y (en) | 2003-06-02 | 2003-06-02 | Surface mount technology equipment with continuous flexible circuit board as substrate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2627791Y true CN2627791Y (en) | 2004-07-21 |
Family
ID=34255665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03263361 Expired - Lifetime CN2627791Y (en) | 2003-06-02 | 2003-06-02 | Surface mount technology equipment with continuous flexible circuit board as substrate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2627791Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102303464A (en) * | 2011-07-04 | 2012-01-04 | 昆山兴协和光电科技有限公司 | Full-automatic roll-type printing process of mobile keyboard circuit board and printing assembly |
-
2003
- 2003-06-02 CN CN 03263361 patent/CN2627791Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102303464A (en) * | 2011-07-04 | 2012-01-04 | 昆山兴协和光电科技有限公司 | Full-automatic roll-type printing process of mobile keyboard circuit board and printing assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20130602 Granted publication date: 20040721 |