CN1830742B - Fexible printed circuit board transporting apparatus - Google Patents
Fexible printed circuit board transporting apparatus Download PDFInfo
- Publication number
- CN1830742B CN1830742B CN2006100586761A CN200610058676A CN1830742B CN 1830742 B CN1830742 B CN 1830742B CN 2006100586761 A CN2006100586761 A CN 2006100586761A CN 200610058676 A CN200610058676 A CN 200610058676A CN 1830742 B CN1830742 B CN 1830742B
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- flexible printed
- printed board
- mentioned
- conveyer
- spooler
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Abstract
The present invention provides one kind of conveying apparatus capable of coinciding several rolled flexible printed boards in minimized coincided area for making opening, separating and winding the flexible printed boards after making opening without damage of the flexible printed boards caused by sliding friction. The conveying apparatus includes one uncoiling mechanism to support and uncoil the flexible printed boards, one stage capable of reciprocating in the flexible printed board conveying direction, and one coiling mechanism to coil the flexible printed boards after making opening.
Description
Technical field
The present invention relates to the conveyer of the flexible printed board that electronic machine adopts, in particular, the present invention relates to the flexible printed board material of a plurality of web-likes be overlapped the conveyer in the device of the processing of holing.
Background technology
As in being the flexible printed board material that web-like rolls,, parts form the device of through hole etc. for installing, know the tapping machine that has patent documentation 1 such such as, people.This tapping machine rolls out according to the flexible printed board material (being called " flexible printed board " below) that web-like rolls that is with the feed mechanism side, carries out batching on the roller of spooler side after the perforate processing.
In addition, people also know following flexible printed board processing unit (plant), wherein, be the flexible printed board that web-like rolls and roll out a plurality of, it is overlapped, the flexible printed board that overlaps is carried out after the perforate processing, be taken up onto once more on the corresponding roller (such as, with reference to patent documentation 2).
Patent documentation 1:JP spy opens flat 1-103209 document
Patent documentation 2:JP spy opens the 2003-231012 document
Summary of the invention
In patent documentation 1 described invention, because 1 flexible printed board is carried out perforate processing successively, so work efficiency is bad.
In patent documentation 2 described inventions,, simultaneously it is carried out perforate processing, so can improve work efficiency because a plurality of flexible printed boards are overlapped.But the occasion of transporting in that a plurality of flexible printed boards are overlapped has the problem of damaging easily because of the surface of the swiping between the flexible printed board.
As described above, a plurality of flexible printed boards are being overlapped in the device that carries out perforates processing, necessarily requiring to reduce as much as possible the zone that overlaps, the swiping when preventing to transport, in the stage of perforate process finishing, flexible printed board is separated respectively and the mechanism of batching at once.
Therefore, the objective of the invention is at overlapping at flexible printed board and carrying out in the conveyer of perforate processing a plurality of web-likes, following conveyer is provided, it reduces the zone that overlaps as much as possible, and its separation is batched at once in perforate processing back, thus, do not produce the damage that the swiping between the flexible printed board causes.
The present invention proposes to achieve these goals, scheme 1 described invention relates to a kind of conveyer of flexible printed board, this conveyer is the flexible printed board that web-like rolls and rolls out and overlap a plurality of, the flexible printed board that overlaps is carried out after the perforate processing, be taken up onto once more on the corresponding roller, it is characterized in that this conveyer comprises rolls out mechanism, and this rolls out mechanism's supporting and rolls out and be the flexible printed board that web-like is rolled; Platform, this can move back and forth along the carriage direction of flexible printed board; Spooler, this spooler batches the flexible printed board after processing is opened in the hole, at the above-mentioned tension adjustment mechanism that the corresponding tension force of adjusting each flexible printed board is set between mechanism and above-mentioned that rolls out, above-mentioned is provided with claw-like maintaining body and clamping mechanism, this claw-like maintaining body with the perpendicular position, the left and right sides of the carriage direction of flexible printed board, left and right sides justify align with a plurality of corresponding flexible printed boards, its coincidence is fixed, this clamping mechanism is at the front and back position of the carriage direction of flexible printed board, in the whole width range of above-mentioned each flexible printed board, each flexible printed board is overlapped, their interim clampings are fixed, between above-mentioned and above-mentioned spooler, be provided with tension adjustment mechanism and stop mechanism, this tension adjustment mechanism is adjusted the corresponding tension force of each flexible printed board, the interim clamping of this stop mechanism and fix each flexible printed board.
According to this scheme, be the flexible printed board that web-like rolls and roll out a plurality of from rolling out mechanism, by being arranged at the claw-like maintaining body on the platform, each flexible printed board is overlapped, simultaneously a plurality of flexible printed boards are carried out perforate processing.After perforate processing, respectively flexible printed board is separated, be a plurality of web-likes by spooler and batch.
Add man-hour carrying out perforate, fix the two ends of the left and right sides Width of each flexible printed board, and in the overall with scope, the front and back position of the carriage direction of each flexible printed board is fixed by clamping mechanism by above-mentioned claw-like maintaining body by above-mentioned.Meanwhile, owing to be in, each flexible printed board is fixed, applied the state of tension force, so that each flexible printed board does not produce is lax by tension adjustment mechanism by stop mechanism.
If the perforate process finishing is open with above-mentioned stop mechanism, along carriage direction platform is moved, this each flexible printed board that moves batches by spooler.In addition, each flexible printed board is fixed, at this state by stop mechanism, for the time being that above-mentioned claw-like maintaining body and clamping mechanism is open, platform shifted to roll out side, by claw-like maintaining body and clamping mechanism each flexible printed board is fixed on the platform once more, carry out perforate processing.
The transverse positioning mechanism that position to the respective transversal of each flexible printed board positions is set being arranged between the above-mentioned tension adjustment mechanism that rolls out mechanism side and above-mentioned.
According to this scheme, the contacts side surfaces of transverse positioning mechanism and each flexible printed board is carried out the horizontal location of each flexible printed board between tension adjustment mechanism that rolls out mechanism side and platform.Therefore, at the state of the left and right sides of each flexible printed board aligned in position, this substrate is transported to platform.
Roll out between mechanism and above-mentioned above-mentioned, the band feed mechanism also is set, the band that provides up and down at above-mentioned a plurality of flexible printed boards overlaps with described a plurality of flexible printed boards, between above-mentioned and above-mentioned spooler, be provided with batch the band that overlapped respectively take back receipts mechanism.
According to this scheme, from roll out a plurality of flexible printed boards that mechanism rolls out about, also overlap the band of supplying with from the band feed mechanism, it is transported to platform.In addition, after perforate processing, above-mentioned is left with flexible printed board, batches respectively to take back and receives in the mechanism.
In the present invention, overlap at flexible printed board a plurality of web-likes, carry out in the conveyer of perforate processing, the area limiting that flexible printed board is overlapped reduces this zone as much as possible between the clamping mechanism that is arranged at the front and back on the platform, and finish perforate processing and with clamping mechanism open after, horse back separates the flexible printed board that overlaps and batches, thus, the swiping when not having each flexible printed board to transport can prevent the damage that the swiping between the flexible printed board causes.
Description of drawings
Fig. 1 is the single-piece scheme drawing of the conveyer of expression flexible printed board of the present invention;
Fig. 2 is the birds-eye view of platform shown in Figure 1;
Fig. 3 (1)～(3) are the cutaway view of the motion of the A-A arrow part in the instruction diagram 2;
Fig. 4 is the instruction diagram of the structure of the expression tension adjustment mechanism that rolls out side shown in Figure 1;
Fig. 5 is the instruction diagram of the structure of the expression tension adjustment mechanism that batches side shown in Figure 1;
Fig. 6 is the instruction diagram of the structure of transverse positioning mechanism shown in Figure 1;
Fig. 7 (1)～(2) are the cutaway view of the motion of explanation transverse positioning mechanism shown in Figure 1;
Fig. 8 (1)～(2) are the instruction diagram of the action of expression stop mechanism shown in Figure 1;
Fig. 9 (1)～(2) are the instruction diagram of the action of expression platform shown in Figure 1.
The specific embodiment
Exemplify suitable embodiment below, the conveyer of flexible printed board of the present invention is described.Overlap at flexible printed board a plurality of web-likes, carry out the conveyer of perforate processing, provide and reduce the zone that overlaps as much as possible, and its separation is batched at once in perforate processing back, thus, the purpose that does not produce the conveyer of the damage that the swiping between the flexible printed board causes realizes by following manner, this mode is: this conveyer comprises and rolls out mechanism, platform and spooler, this rolls out mechanism supporting and rolls out and be the flexible printed board that web-like is rolled, this can move back and forth along the carriage direction of flexible printed board, this spooler batches the flexible printed board after the perforate processing, at the above-mentioned tension adjustment mechanism that the corresponding tension force of adjusting each flexible printed board is set between mechanism and above-mentioned that rolls out, above-mentioned is provided with claw-like maintaining body and clamping mechanism, this claw-like maintaining body with the perpendicular position, the left and right sides of the carriage direction of flexible printed board, a plurality of flexible printed boards are overlapped and fix, this clamping mechanism is at the front and back position of the carriage direction of flexible printed board, the interim clamping of the flexible printed board of above-mentioned coincidence is fixed, between above-mentioned and above-mentioned spooler, be provided with tension adjustment mechanism and stop mechanism, this tension adjustment mechanism is adjusted the corresponding tension force of each flexible printed board, the interim clamping of this stop mechanism and fix each flexible printed board.
Embodiment 1
Fig. 1 is the single-piece scheme drawing of the conveyer of expression flexible printed board of the present invention.This conveyer 10 comprises and rolls out mechanism 12 that this rolls out mechanism's 12 supportings and rolls out a plurality of flexible printed boards 11 that web-like is rolled that are; The platform 13 that perforate machining area 14, this perforate machining area 14 have not shown rig NC hole processing device and can move back and forth along the carriage direction of flexible printed board 11; Spooler 15, this spooler 15 batch the flexible printed board 11 after the perforate processing.
At the above-mentioned tension adjustment mechanism 16 that is provided with the corresponding tension force of adjusting each flexible printed board 11 between mechanism 12 and above-mentioned 13 that rolls out; Determine the transverse positioning mechanism 17 of the respective transversal position of each flexible printed board 11; Band feed mechanism 19, this band feed mechanism 19 also will be called the band (abbreviating " band " below as) 18 that enters sheet and overlap about a plurality of flexible printed boards 11.
Front and back position at above-mentioned 13 carriage direction is provided with clamping mechanism 20, and this clamping mechanism 20, is fixed its interim clamping with a plurality of flexible printed boards 11 be with 18 to overlap from the top in the overall with scope.Overlap at the state that only fits tightly fully between above-mentioned clamping mechanism 20,20 according to each flexible printed board 11 with 18, the mode that has the gap in the front and back of clamping mechanism 20,20 respectively is provided with a plurality of guiding rollers 21 that transport.
Between above-mentioned 13 and above-mentioned spooler 15, be provided with to take back and receive mechanism 22, this is taken back and receives mechanism 22 and make leaving at hole each flexible printed board 11 of processing of perforate machining area 14 with 18 up and down, with this up and down be with 18 to batch; Stop mechanism 23, these stop mechanism 23 interim clampings and fixing corresponding flexible printed board 11; Tension adjustment mechanism 24, this tension adjustment mechanism 24 is adjusted the corresponding tension force of each flexible printed board 11.
Fig. 2 and Fig. 3 represent above-mentioned 13, and Fig. 2 is a birds-eye view, and Fig. 3 is the cutaway view of explanation along the action of the part of the A-A arrow among Fig. 2.Front and back position at this carriage direction of 13 is provided with aforesaid clamping mechanism 20, is provided with pawl maintaining body 25 at a plurality of positions with the perpendicular position, the left and right sides of carriage direction, and this pawl maintaining body 25 overlaps a plurality of flexible printed boards 11 and fix.
Shown in these pawl maintaining body 25 image patterns, 3 (1)～Fig. 3 (2) like that, with overlap up and down with a plurality of flexible printed boards 11 with 18 contacts side surfaces, justify align with left and right sides Width, in addition, shown in the image pattern 3 (3) like that, from the top, push each flexible printed board 11 and, be fixed on the platform 13 with 18 both ends, the left and right sides.
Here, apply a constant load if be arranged at 16 pairs of each flexible printed boards 11 of the mentioned strain adjusting mechanism that rolls out side shown in Figure 1, then its structure is that it doesn't matter, still, preferably shown in the image pattern 4 like that, but the deadweight of the roller 16a by up-and-down movement applies tension force.In this occasion, set in the following manner, this mode is: prescribe a time limit in roller 16a arrival, rolling out mechanism 12 rotates by not shown motor, according to speed, each flexible printed board 11 is rolled out, in addition greater than transportation speed, in limited time, the rotation that rolls out mechanism 12 stops under roller 16a arrives.
On the other hand, but be arranged at the mechanism that deadweight that the mentioned strain adjusting mechanism 24 that batches side also can be the roller by foregoing up-and-down movement applies tension force, but, shown in the image pattern 5 like that, also can be following structures, wherein, can pass through spring device 24c, make the outstanding axle 24b up-and-down movement from roller 24a, the bias force by this spring device 24c applies tension force.Perhaps, also can constitute according to the mode that applies tension force by the torque control that is arranged at the motor (not shown) on the spooler shown in Figure 1 15.
In addition, be arranged at shown in transverse positioning mechanism 17 image patterns 6 that roll out side like that, constitute with the dish 17b that is installed on this 17a by the axle 17a that can move back and forth, shown in the image pattern 7 like that, any side about the carriage direction of relative flexibility printed base plate 11 is arranged at.
Usually, shown in the image pattern 7 (1) like that, the state that the side of above-mentioned dish 17b maintenance and flexible printed board 11 is left, when initial contraposition, shown in the image pattern 7 (2) like that, above-mentioned axle 17a moves, and coils the contacts side surfaces of 17b and flexible printed board 11, carries out the horizontal location of this flexible printed board 11.In addition, especially best, even when transporting this flexible printed board 11, this dish 17b still with the contacts side surfaces of flexible printed board 11, can have or not horizontal dislocation by Visual Confirmation.
Shown in the image pattern 8 like that, above-mentioned stop mechanism 23 is made of fixing guiding roller 23a and braking wheel rim 23c, this braking wheel rim 23c is installed on and can passes through cylinder (not shown) etc. and on the pallet 23b of up-and-down movement.Shown in the image pattern 8 (1) like that, pallet 23b descends, braking wheel rim 23c crimping guiding roller 23a, thus, flexible printed board 11 is held between guiding roller 23a and the braking wheel rim 23c, the motion of flexible printed board 11 stops, and transports to stop.
In addition, shown in the image pattern 8 (2) like that, pallet 23b rises, braking wheel rim 23c and guiding roller 23a leave, thus, brake off is followed the rotation of guiding roller 23a, transports flexible printed board 11.
Action to the conveyer 10 of flexible printed board of the present invention is described below.According to circuit shown in Figure 1, a plurality ofly be the flexible printed board 11 that web-like rolls and apply suitable tension force by tension adjustment mechanism 16, carry out horizontal location by transverse positioning mechanism 17 simultaneously, by approaching when transporting guiding roller 21 guiding, each flexible printed board 11 up and down so that will be with 18 to overlap, it is transported to platform 13.
Fig. 9 represents to transport each flexible printed board 11 and with 18 o'clock, be arranged at the action of the clamping mechanism 20 of the front and back on above-mentioned 13, shown in the image pattern 9 (1) like that, before and after clamping mechanism 20 be in open state, and shown in the image pattern 3 (1) like that, the claw-like maintaining body 25 about making all is in open state, shown in the image pattern 8 (1) like that, by stop mechanism 23 that flexible printed board 11 is fixing, shown in the solid line of image pattern 1 like that, above-mentioned 13 shifted to roll out side.
Also have, shown in the image pattern 9 (2) like that, the clamping mechanism 20 of front and back is in closed condition, and shown in image pattern 3 (2)～Fig. 3 (3) like that, whole claw-like maintaining bodies 25 is closed, with each flexible printed board 11 of overlapping be with 18 to be fixed on the platform 13.At this moment, flexible printed board 11 is fixing by stop mechanism 23, applies certain force of strain by tension adjustment mechanism 16, and thus, flexible printed board 11 does not produce lax.In addition, by being arranged at band feed mechanism 19 respectively and taking back the torque control of receiving the motor (not shown) in the mechanism 22, to up and down be with 18 to apply tension force.Carry out the processing of rig NC hole at this state.
In addition, if the hole process finishing is then open with above-mentioned stop mechanism 23, at the state of closing clamping mechanism 20 and claw-like maintaining body 25, shown in two pecked lines in the image pattern 1 like that, according to workpiece size platform 13 is shifted to and to be batched side.With this 13 amount that moves, up and down be with 18 to leave with flexible printed board 11, batches respectively in taking back and receive in the mechanism 22, and each flexible printed board 11 also leaves, batch respectively on the spooler 15 simultaneously.
If the mobile end of platform 13 is then fixing with flexible printed board 11 by stop mechanism 23, make above-mentioned 13 clamping mechanism 20 and claw-like maintaining body 25 all be in open state, shown in the solid line of image pattern 1 like that, once more above-mentioned 13 is shifted to and rolls out side.In addition, close above-mentioned clamping mechanism 20 and claw-like maintaining body 25, with each flexible printed board 11 be with 18 to be fixed on the platform 13.
In this occasion, flexible printed board 11 is fixing by stop mechanism 23, applies certain force of strain by tension adjustment mechanism 16 equally, and thus, this flexible printed board 11 does not produce lax.In addition, by torque control, up and down be with 18 all to be subjected to tension force, it is lax thus.
By such step, a plurality of flexible printed boards 11 are overlapped, carry out the processing of rig NC hole repeatedly.In addition, the area limiting that flexible printed board 11 is overlapped is between the clamping mechanism 20,20 that is located at the front and back on the platform 13, reduce this zone as much as possible, after finishing perforate processing and discharging clamping mechanism 20, horse back separates flexible printed board 11 and batches, thus, the swiping when not having the transporting of each flexible printed board 11 can prevent to produce the situation of the damage that the swiping between the flexible printed board 11 causes.
In addition, the purpose with 18 that employing coincides with on the top side of each flexible printed board 11 is to suppress the overlap that perforate adds man-hour, coincide with and be with 18 to be used to guarantee the space on the bottom side of each flexible printed board 11, so that add man-hour in perforate, rig does not arrive platform 13 places.Usually, with the PET film of thickness in the scope of 0.2～0.3mm with up and down be with 18 to adopt.The top side also can be the higher aluminium sheet of exothermal effect with 18.In this occasion, preferably thickness is in the scope of 0.15～0.20mm.
In addition, only otherwise break away from spirit of the present invention, can carry out various changes, in addition, obviously, the present invention relates to the scheme of this change.
Claims (2)
1. the conveyer of a flexible printed board, this conveyer is the flexible printed board that web-like rolls and rolls out and overlap a plurality of, the flexible printed board that overlaps is carried out being taken up onto once more on the corresponding roller after the perforate processing, it is characterized in that this conveyer comprises:
Roll out mechanism, this rolls out mechanism supporting and rolls out and be the flexible printed board that web-like is rolled; Platform, this can move back and forth along the carriage direction of flexible printed board; Spooler, this spooler batch the flexible printed board after the perforate processing;
Roll out between mechanism and above-mentioned above-mentioned, the tension adjustment mechanism of the corresponding tension force of adjusting each flexible printed board is set;
Above-mentioned is provided with claw-like maintaining body and clamping mechanism, this claw-like maintaining body with the perpendicular position, the left and right sides of the carriage direction of flexible printed board, left and right sides justify align with a plurality of corresponding flexible printed boards, its coincidence is fixed, this clamping mechanism is at the front and back position of the carriage direction of flexible printed board, in the whole width range of above-mentioned each flexible printed board, each flexible printed board is overlapped, their interim clampings are fixed;
Between above-mentioned and above-mentioned spooler, be provided with tension adjustment mechanism and stop mechanism, this tension adjustment mechanism is adjusted the corresponding tension force of each flexible printed board, the interim clamping of this stop mechanism and fix each flexible printed board;
Be arranged between the above-mentioned tension adjustment mechanism that rolls out mechanism side and above-mentioned, the transverse positioning mechanism that the position to the respective transversal of each flexible printed board positions is being set.
2. the conveyer of flexible printed board according to claim 1, it is characterized in that rolling out between mechanism and above-mentioned above-mentioned, the band feed mechanism also is set, is with providing up and down of above-mentioned a plurality of flexible printed boards to overlap with described a plurality of flexible printed boards;
Between above-mentioned and above-mentioned spooler, be provided with and batch the taking back of above-mentioned band that has overlapped respectively and receive mechanism.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005069159A JP4728671B2 (en) | 2005-03-11 | 2005-03-11 | Flexible printed circuit board transfer device |
| JP2005-069159 | 2005-03-11 | ||
| JP2005069159 | 2005-03-11 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1830742A CN1830742A (en) | 2006-09-13 |
| CN1830742B true CN1830742B (en) | 2010-10-06 |
Family
ID=36993272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006100586761A Expired - Fee Related CN1830742B (en) | 2005-03-11 | 2006-03-08 | Fexible printed circuit board transporting apparatus |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP4728671B2 (en) |
| CN (1) | CN1830742B (en) |
| TW (1) | TWI280086B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012104992A1 (en) * | 2011-02-01 | 2012-08-09 | パイオニア株式会社 | Optical semiconductor device |
| SE536952C2 (en) * | 2012-06-25 | 2014-11-11 | Impact Coatings Ab | Continuous roll-to-roll device |
| CN103058003B (en) * | 2012-12-24 | 2016-02-24 | 张志才 | LED support feeding collecting machine and feeding rewinding method thereof |
| CN105565036B (en) * | 2016-03-22 | 2017-12-22 | 昆山巨闳机械科技有限公司 | Two-fold copper foil cutter |
| JP6739259B2 (en) * | 2016-07-06 | 2020-08-12 | セイコータイムシステム株式会社 | Punching device |
| JP6739260B2 (en) * | 2016-07-06 | 2020-08-12 | セイコータイムシステム株式会社 | Punching device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4913015A (en) * | 1987-09-26 | 1990-04-03 | Kokusan Kogyo Kabushiki Kaisha | Soft material cutting apparatus |
| EP0327838A3 (en) * | 1988-02-10 | 1991-10-30 | Kurt Held | Apparatus for the continuous making of printed circuits |
| US6849524B2 (en) * | 1998-10-23 | 2005-02-01 | Emcore Corporation | Semiconductor wafer protection and cleaning for device separation using laser ablation |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05318395A (en) * | 1992-05-22 | 1993-12-03 | Hitachi Seiko Ltd | Punching device for flexible substrate |
| JP2001038687A (en) * | 1999-07-30 | 2001-02-13 | Uht Corp | Punching unit of tape-like article |
| JP4363815B2 (en) * | 2002-02-13 | 2009-11-11 | 日立ビアメカニクス株式会社 | Printed circuit board processing equipment |
| JP2005324285A (en) * | 2004-05-14 | 2005-11-24 | Fujikura Ltd | Drilling device for flexible substrate |
-
2005
- 2005-03-11 JP JP2005069159A patent/JP4728671B2/en not_active Expired - Fee Related
- 2005-11-23 TW TW94141167A patent/TWI280086B/en not_active IP Right Cessation
-
2006
- 2006-03-08 CN CN2006100586761A patent/CN1830742B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4913015A (en) * | 1987-09-26 | 1990-04-03 | Kokusan Kogyo Kabushiki Kaisha | Soft material cutting apparatus |
| EP0327838A3 (en) * | 1988-02-10 | 1991-10-30 | Kurt Held | Apparatus for the continuous making of printed circuits |
| US6849524B2 (en) * | 1998-10-23 | 2005-02-01 | Emcore Corporation | Semiconductor wafer protection and cleaning for device separation using laser ablation |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4728671B2 (en) | 2011-07-20 |
| TW200633608A (en) | 2006-09-16 |
| CN1830742A (en) | 2006-09-13 |
| JP2006253468A (en) | 2006-09-21 |
| TWI280086B (en) | 2007-04-21 |
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