CN102501343B - Excessive glue full automatic production line of semiconductor lead frame - Google Patents
Excessive glue full automatic production line of semiconductor lead frame Download PDFInfo
- Publication number
- CN102501343B CN102501343B CN201110369404.4A CN201110369404A CN102501343B CN 102501343 B CN102501343 B CN 102501343B CN 201110369404 A CN201110369404 A CN 201110369404A CN 102501343 B CN102501343 B CN 102501343B
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- Prior art keywords
- production line
- lead frame
- excessive glue
- material strip
- pressure water
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- Expired - Fee Related
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- 239000003292 glue Substances 0.000 title claims abstract description 47
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- 239000004065 semiconductor Substances 0.000 title claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 57
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 44
- 238000002791 soaking Methods 0.000 claims abstract description 25
- 238000011068 loading method Methods 0.000 claims abstract description 19
- 239000000126 substance Substances 0.000 claims abstract description 12
- 238000005406 washing Methods 0.000 claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims abstract description 10
- 239000007921 spray Substances 0.000 claims description 11
- 238000005868 electrolysis reaction Methods 0.000 claims description 9
- 238000005538 encapsulation Methods 0.000 claims description 7
- 238000001802 infusion Methods 0.000 claims description 7
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 241000239290 Araneae Species 0.000 claims description 3
- 230000001502 supplementing effect Effects 0.000 claims description 3
- 229920001875 Ebonite Polymers 0.000 claims description 2
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 18
- 230000008569 process Effects 0.000 abstract description 8
- 230000006378 damage Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 230000007246 mechanism Effects 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 2
- 239000003814 drug Substances 0.000 abstract 2
- 230000005611 electricity Effects 0.000 abstract 1
- 238000005507 spraying Methods 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 12
- 238000012545 processing Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 239000002351 wastewater Substances 0.000 description 4
- 238000007654 immersion Methods 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000009713 electroplating Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 238000010297 mechanical methods and process Methods 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 238000011017 operating method Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 206010009696 Clumsiness Diseases 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000006166 lysate Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000001935 peptisation Methods 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 238000011112 process operation Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Treatment Of Fiber Materials (AREA)
- Electroplating Methods And Accessories (AREA)
Abstract
The invention discloses an excessive glue full automatic production line of a semiconductor lead frame. The production line comprises the following steps of continuous and automatic loading, chemical treatment solution soaking, air exhaustion, electrolytic excessive glue removal, water washing, soaking and automatic unloading, reversing and high pressure water knife spraying. An automatic loading and unloading mechanism is mainly driven pneumatically; a transmission mechanism is a chain transmission mechanism; and a discharged material strip after being soaked directly enters the high pressure water knife system. The excessive glue full automatic production line of the semiconductor lead frame, disclosed by the invention, has the advantages of compact equipment, small space usage, stability in operation, convenience for maintenance, reliable process, good quality of the treated product, high efficiency, large treatment quantity, medicine liquor conservation, water and electricity conservation, environment friendliness, substantially no damage to human body from hot air and medicine liquor smell; and the field operation environment is largely improved. Glue removing liquors with different performances and operation temperatures can be adopted by using multiple parallel soaking grooves; and electrolytic excessive glue removal can be also combined to realize optimal excessive glue removing effect. By using a reversing turntable, the high pressure water knife can be arranged in parallel with the soaking system so that space usage is saved and convenience in operation is obtained.
Description
Technical field
The invention belongs to pre-electroplating treatment technical field, relate in particular to the automatic production line that the excessive glue of semiconductor lead frame encapsulation is removed.
Background technology
After semiconductor lead frame epoxy packages, have the glue that overflows and remain on terminal pin and fin, need to follow-up remove before zinc-plated clean.Except overflowing, gluing method is mainly chemical solution infusion method (Chemical Deflush), electrolysis (Electrolisis Deflush) and Mechanical Method (Michenical Deflush) at present.Mechanical Method seldom adopts now because the ejection medium adopting can damage base material.Electrolysis is because of decomposition voltage or electric current is too high can cause layering by damage chip, and some serious excessive glue also cannot be removed and is greatly limited.Chemical solution infusion method makes excessive peptization solution or softening loosening by chemical action, again in conjunction with follow-up high-pressure water knife spray, can totally remove thoroughly excessive glue, this method can be suitable for the lead frame after almost various model encapsulation, is the main stream approach of current the sector except the glue that overflows.
At present, nearly all chemical solution infusion method is all manually lead frame to be processed to be loaded in stainless steel magazine with holes off and on, put in soaking compartment and soaked 30 minutes to 1 hour or the longer time, after immersion, pull out, put in tank and clean again, then pull out and place the processing of standby follow-up high-pressure water knife spray; Operating personnel take out manually material loading one by one of material strip, complete whole except the glue process of overflowing through high-pressure water knife spray, air knife drying, electric heating drying and rewinding.Whole process operation is numerous and diverse, and physical demands is large, in processing procedure high temperature, liquid smell and soaking compartment and wash water groove herb liquid and wash water to take out of or overflow the scene of causing be completely water, operating environment extreme difference, has also strengthened liquid loss and wastewater flow rate.Adopt the cantilever running mode as semi-automatic Automatic-rack Line to improve slinging and dropping into of magazine although have in recent years, save to a certain extent artificial muscle power, but because of the long washing time of this process soak time short, in fact do not improve a lot, efficiency there is no raising, taking out of with wastewater flow rate of liquid do not change substantially, yet will manually material loading processing one by one on high-pressure water knife equipment after immersion.
Along with the development of economy and technology, lead frame except the treating capacity of glue of overflowing also increasing, the sector to except the growth requirement of gluing equipment technology of overflowing more and more stronger, in the urgent need to develop joint save labor, obviously improve operating environment, save liquid, save wash water and reduce waste water more efficiently except overflow glue automatic production line, the treatment process that thoroughly changes existing clumsiness and fall behind, makes it to match with follow-up advanced person's electroplating processes technique.The present invention is the deficiency of considering to improve existing technique, designs and develops out a set of glue automatic production line that overflows that removes that chemical solution soaks and high-pressure water knife sprays that integrates.
Summary of the invention
The object of the present invention is to provide a kind of new and effective full-automatic chemical solution to soak (and/or electrolysis) and remove in conjunction with the whole series of high-pressure water knife spray the glue automatic production line that overflows.
The present invention is achieved through the following technical solutions:
Chemical solution soaks except the colloid system that overflows comprises automatic feeding, discharge and linked transmission delivery material strip turns back and moves ahead in soaking compartment, electrolytic cell and rinsing bowl successively, it is characterized in that automatical feeding system comprises that the material strip of material-storing box, material loading platform and air cylinder driven is picked up, pusher and charging gear; In described soaking compartment and the groove of rinsing bowl, divide upper and lower two-layer multiple sprocket wheels that are equipped with near two side, be furnished with stainless steel chain on sprocket wheel, keep at a certain distance away and be connected with some cross bands that are parallel to each other between two chains, spring clip fixing on cross band clamps material strip; Sprocket shaft is fixed on bearing spider, drives cycle operation by frequency conversion adjustable speed motor; Material strip falls into the automatic tangent material loading as high-pressure water knife on the material loading conveyer belt that enters high-pressure water knife in reversing turntable equably by self gravitation.Described in the automatic production line that the excessive glue of semiconductor lead frame encapsulation of the present invention is removed, soaking compartment can be 1,2 or multiple, in different grooves, can adopt heterogeneity except glue or adopt different operating temperatures, make it more effectively coordinate to reach to take into account and remove black ebonite that encapsulation overflows and the optimum efficiency of yellow flexible glue.
The automatic production line that the excessive glue of semiconductor lead frame encapsulation of the present invention is removed, can before or after soaking compartment, increase electrolysis except the glue groove that overflows, the negative or positive electrode of connecting with the mains on the bearing block of both sides sprocket wheel adds stainless steel polar plate to realize electrolysis except the glue function of overflowing as negative pole or positive pole in the middle of the material strip of turning back.
In rinsing bowl, be provided with running water rinsing, going out groove place and be provided with the new water wash of row's nozzle, the water under drip washing enters in groove for the supplementing of washings, and washings are constantly updated discharge.
The automatic production line that the excessive glue of semiconductor lead frame encapsulation of the present invention is removed, reversing turntable changes 90 ° of directions of blanking material strip, fall into the tangent line material loading that conveyer belt directly enters high-pressure water knife, high-pressure water knife can be arranged side by side with infusion system, save occupation of land and easy to operate.
Described high-pressure water knife spray system relies on horizontal direction to deliver material strip around the linked transmission of operation, steel band is fixed on chain strip side plate, fixing spring folder on steel band, spring clip is by exerting pressure and open material loading with the synchronous operated baffle ring of sprocket wheel, leave the automatic closure of baffle ring rear spring clamp and clamp material strip and move ahead, by exerting pressure and make it to open blanking with the synchronous operated baffle ring of sprocket wheel.
Described material loading can adopt with 1,2 or many of rows according to throughput requirements.
Use above-mentioned process and operating procedure except the glue automatic production line that overflows as follows:
Step 1, in place complete equipment, connection, pipe arrangement are installed, debugging is normal.
Step 2, the selected suitable sol solution that removes join in soaking compartment, make its liquid level higher than upper strata sprocket wheel, inject the running water of certain liquid level in rinsing bowl, open heating and transmission system, make solution meet the requirements of technological temperature.
Step 3, pending material strip is packed in material-storing box, regulate feed mechanism to make it just material strip to be shifted onto the opening part of spring clip.Set required soak time and corresponding transmission chain speed according to technological requirement.
After step 4, startup, after the running time of setting, start to have the material strip of having soaked from soaking compartment, to go out groove, open high-pressure water knife spray system.
Step 5, artificial in time to the supplementary pending material strip of material-storing box and in the good material strip of blanking place collection and treatment.
In processing procedure, the circulating filtration of solution can continuous operation or intermittent running, conventionally sets certain hour interval and automatically starts and close filter operation.Rinse bath sprays the water flowing down for supplementing washings.
Soaking compartment in step 2 can be 1,2 or multiple, can select the glue that removes of different performance and temperature in each groove, can regulate the liquid level in different slots to change the time of staying of material strip in different solutions.The discharging opening of each soaking compartment designed higher excessive sprocket wheel height be convenient in material strip with solution fully return to former groove, the solution in different slots can phase mutual interference and pollution yet, has greatly reduced the loss of band liquid, has saved wash water and has reduced waste water.
Material loading in step 3 can adopt on every cross band and hold 1,2 or many with row folding.Of the present invention
Main innovation is to have adopted linked transmission delivery material strip moving ahead except turning back in glue, makes material strip in chemical solution, have enough time of staying.A whole set of production line also comprises to be controlled loading and unloading, temperature, speed, falls the PLC control system that material is reported to the police etc.
The present invention compared with prior art has following advantage:
1, whole chemistry except overflow glue process full automation carry out continuously, saved operating personnel's quantity and muscle power, improved production efficiency and reduced production and labor cost.
2, facility compact, occupation of land less, be connected closely, water-washing method advantages of simple, because the material strip of soaking rear discharging directly enters high-pressure water knife system after simple washing, is connected not delay therebetween automatically, so material strip is because shelving the oxidation producing, without a large amount of washings.Because soaking compartment is without manually coming to operation personally, substantially there is no hot gas and the infringement of liquid smell to human body after adding upper cover and air draft.Immersion and high-pressure water knife are connected the evaporating, emitting, dripping or leaking of liquid or gas of substantially having eliminated liquid and wash water closely automatically in addition, have improved on-the-spot operating environment.
3, the employing of multiple soaking compartments can realize different performance and temperature except glue and electrolysis are except effective combination that the glue that overflows becomes one, reach best except the glue effect of overflowing, meet special technological requirement, this is that traditional handicraft is difficult to or cannot realizes at all.
4, reversing turntable can be arranged side by side with infusion system high-pressure water knife, saves occupation of land and easy to operate.
5, can realize under the condition that does not increase more equipment occupations of land output is increased greatly with the charging simultaneously of the many material strips of row.
6, equipment operating is stable, easy to maintenance, safe and reliable.
7, every processed material strip did not interfere with each other and is immersed in equably in solution through the identical time, and material strip high conformity after treatment can not cause some material strip or local cross the variety of issue that processing or undercuring cause because material strip lap hides.
8, the control program of various Optimization Technology programmings, for user provides multiple choices, also provides interactive user's self-programming function can meet special requirement simultaneously.Various operating procedure conditions and historical data parameter can realize storage and call.
Brief description of the drawings
For the technical scheme of clearer explanation embodiments of the invention or prior art, introduce simply the accompanying drawing of required use in embodiment or description of the Prior Art being done to one below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Drawings attached two width of the present invention, wherein
Fig. 1 is the Facad structure perspective diagram of excessive glue full automatic production line of semiconductor lead frame of the present invention.
Fig. 2 is the side-looking structural representation of the A-A section of accompanying drawing 1.
In accompanying drawing, 1, automatic charging device, 101, material loading platform, 102, material-storing box, 103, material-pulling device, 104, up cylinder, 2, soaking compartment, 3, electrolytic cell, 4, rinse bath, 5, dry up groove, 6, automatic blanking device, 7, reversing turntable (as the automatic charging of high-pressure water knife), 8, high-pressure water knife, 9, material strip, 10, spring clip, 11, cross band, 12, chain.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described: as Figure 1-Figure 2:
Each treatment trough is by two stainless steel chains 12, it organically to be connected together, and realizes function separately and completes and carry delivery circulation.
Automatic charging device is to be made up of material loading platform 101, material-storing box 102, pneumatic material-pulling device 103 and up cylinder 104.Material-pulling device 103 is constantly transferred to material strip and promotes its feed that moves ahead from the bottom of material-storing box 102.
Automatic blanking after infusion system completes enters the automatic charging of high-pressure water knife 8 after reversing turntable changes after 90 ° of directions, further completes high-pressure water knife spray therein, completes except the glue overall process of overflowing.
As shown in Figure 2, in the middle of the both sides chain of each treatment trough, be connected with some cross bands that are parallel to each other 11, on it, be fixed with several spring clips 10, when cross band 11 is turned back forward while advancing with chain 12, the spring clip 10 on it relies on the effect of pneumatic lever to open and picks up material and blanking.
The material strip of material loading can be with row 1,2 or many (being with 2 of rows in Fig. 2), and in the time adopting with many of rows, treating capacity increases.
Described soaking compartment 2, electrolytic cell 3, rinse bath 4, dry up groove 5 top cover can be installed, can prevent electrolyte, the evaporation of lysate, can avoid causing unnecessary waste on the one hand, also makes operating personnel avoid the injury of poisonous steam simultaneously.
Especially, the chain transmission device arranging in described soaking compartment, can stir uniformly the solution in whole soaking compartment, make the chemical solution uniform state in solubility, temperature and concentration all the time in soaking compartment 2, can not spend height and temperature contrast because of local dissolution in groove, cause the decline to the glue solute effect that overflows.
The above; it is only preferably detailed description of the invention of the present invention; but protection scope of the present invention is not limited to this; any be familiar with those skilled in the art the present invention disclose technical scope in; be equal to replacement or changed according to technical scheme of the present invention and inventive concept thereof; as: adopt other forms of conveyer and other forms of power set, within all should being encompassed in protection scope of the present invention.
Claims (7)
1. excessive glue full automatic production line of semiconductor lead frame, comprise continuous automatic charging, chemical pretreatment solution soaks, electrolysis is except the glue that overflows, washing, soak automatic blanking, commutation and high-pressure water knife spray, it is characterized in that: adopt linked transmission delivery material strip to turn back and move ahead in soaking compartment successively and rinsing bowl, in groove, divide upper and lower two-layer multiple sprocket wheels that are equipped with near two side, on sprocket wheel, is furnished with stainless steel chain, between two chains, keep at a certain distance away and be connected with some cross bands that are parallel to each other, spring clip on cross band clamps material strip, chain rivet is fixed on the bearing spider of both sides, by frequency conversion adjustable speed motor driving ring around running, on delivery cross band, the material strip of clamping is turned back and is moved ahead in solution,
Before or after soaking compartment, increase electrolysis except the glue groove that overflows, the negative or positive electrode of connecting with the mains on the bearing spider of both sides sprocket wheel adds stainless steel polar plate to realize electrolysis except the glue function of overflowing as negative pole or positive pole in the middle of the material strip of turning back.
2. excessive glue full automatic production line of semiconductor lead frame according to claim 1, it is characterized in that: soaking compartment is one or more, in different grooves, adopt heterogeneity except glue and different operating temperatures, coordinate to reach to take into account and remove black ebonite and the yellow flexible glue that encapsulation is overflowed.
3. excessive glue full automatic production line of semiconductor lead frame according to claim 1, is characterized in that: in rinsing bowl, be provided with running water rinsing, going out groove place and be provided with the new water wash of row's nozzle, the water under drip washing enters supplementing for washings in groove.
4. excessive glue full automatic production line of semiconductor lead frame according to claim 1, is characterized in that: automatical feeding system comprises that the material strip of material-storing box, material loading platform and air cylinder driven is picked up, pusher and charging gear; Automatic blanking system is that air cylinder driven push rod completes, and push rod opens spring clip, and material strip falls into the tangent line automatic charging as high-pressure water knife on the material loading conveyer belt that falls into high-pressure water knife in reversing turntable after commutation equably by self gravitation.
5. excessive glue full automatic production line of semiconductor lead frame according to claim 1, is characterized in that: reversing turntable changes 90 ° of directions of blanking material strip, enters the tangent line material loading of high-pressure water knife, and high-pressure water knife can be arranged side by side with infusion system.
6. excessive glue full automatic production line of semiconductor lead frame according to claim 1, it is characterized in that: high-pressure water knife spray system relies on horizontal direction to deliver material strip around the linked transmission of operation, steel band is fixed on chain strip side plate, is fixedly used for clamping the spring clip of material strip on steel band.
7. excessive glue full automatic production line of semiconductor lead frame according to claim 1, is characterized in that: material loading can adopt with 1 or many of row.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110369404.4A CN102501343B (en) | 2011-11-18 | 2011-11-18 | Excessive glue full automatic production line of semiconductor lead frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110369404.4A CN102501343B (en) | 2011-11-18 | 2011-11-18 | Excessive glue full automatic production line of semiconductor lead frame |
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| Publication Number | Publication Date |
|---|---|
| CN102501343A CN102501343A (en) | 2012-06-20 |
| CN102501343B true CN102501343B (en) | 2014-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110369404.4A Expired - Fee Related CN102501343B (en) | 2011-11-18 | 2011-11-18 | Excessive glue full automatic production line of semiconductor lead frame |
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| CN107932295B (en) * | 2017-11-24 | 2020-09-04 | 邵东和谐五金机电有限公司 | Lip outer arc surface polishing machine with movable plates |
| CN109047250B (en) * | 2018-06-29 | 2023-09-26 | 金灵医疗科技(常州)有限公司 | Special fixing instrument for cleaning microscopic vascular clamps |
| CN112827926A (en) * | 2020-12-30 | 2021-05-25 | 深圳沃夫特自动化设备有限公司 | Full-automatic flexible glue cleaning equipment |
| CN113909173B (en) * | 2021-09-26 | 2023-04-07 | 连智(大连)智能科技有限公司 | Automatic change brilliant support and remove gluey equipment |
| CN113645769B (en) * | 2021-10-14 | 2021-12-31 | 常州欣盛半导体技术股份有限公司 | Conveying device for processing circuit on surface of carrier tape |
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| CN2202136Y (en) * | 1994-07-21 | 1995-06-28 | 陈月明 | Conveying eletroplating machinery |
| CN1142122A (en) * | 1995-07-31 | 1997-02-05 | 三星电子株式会社 | Technology for production of frame for enclosing semi-conductor leadwire |
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| Publication number | Publication date |
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| CN102501343A (en) | 2012-06-20 |
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