CN105676828A - SMT production rhythm control system and self-locking time-delay loop thereof - Google Patents
SMT production rhythm control system and self-locking time-delay loop thereof Download PDFInfo
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- CN105676828A CN105676828A CN201610174546.8A CN201610174546A CN105676828A CN 105676828 A CN105676828 A CN 105676828A CN 201610174546 A CN201610174546 A CN 201610174546A CN 105676828 A CN105676828 A CN 105676828A
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- relay
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- time relay
- trigger
- high level
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 35
- 230000033764 rhythmic process Effects 0.000 title claims abstract description 28
- 239000000758 substrate Substances 0.000 claims abstract description 24
- 230000005540 biological transmission Effects 0.000 claims description 10
- 230000003647 oxidation Effects 0.000 abstract description 4
- 238000007254 oxidation reaction Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 2
- 229910000679 solder Inorganic materials 0.000 abstract 2
- 230000007423 decrease Effects 0.000 abstract 1
- 230000001934 delay Effects 0.000 abstract 1
- 230000006698 induction Effects 0.000 abstract 1
- 238000007639 printing Methods 0.000 description 12
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 11
- 239000006071 cream Substances 0.000 description 10
- 230000008054 signal transmission Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 229910001134 stannide Inorganic materials 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
- G05B19/41865—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by job scheduling, process planning, material flow
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/32—Operator till task planning
- G05B2219/32252—Scheduling production, machining, job shop
-
- 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
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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- Engineering & Computer Science (AREA)
- Pinball Game Machines (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Power Sources (AREA)
Abstract
The invention provides an SMT (Surface Mount Technology) production rhythm control system, which controls substrate entering time, unifies step time, and thereby reduces the exposure time of solder paste or elements, decreases solder paste oxidation, and improves an SMT production yield rate. The system comprises a loader controller, a track controller and a track sensor which are in electric control connection; the track controller induces non-existence of a substrate on an induction track through the track sensor, and then issues a signal for requiring a substrate to the loader controller. The system also comprises a relay KM1 which is in electric control connection with the track controller, and intercepts the signal for requiring a substrate issued by the track controller to trigger the relay KM1; and a time relay KT1 which is in electric control connection with the relay KM1, wherein the relay KM1 triggers the time relay KT1, and forms a self-locking time-delay loop with the time relay KT1, and the time relay KT1 delays sending the signal for requiring a substrate.
Description
Technical field
The present invention relates to Full Vision technical field, be specially a kind of SMT rhythm of production and control system and self-locking timing circuit thereof.
Background technology
At SMT(SurfaceMountTechnology) in surface mount industry, each plate base can pass through printing, paster, the these three work step of backflow, this production line balance, generally we are desirable to the production of machinery speed of each work step is identical, but the most of bottleneck work step of product of SMT industry production is paster work step now. In paster work step, Placement element time is longer, and it is generally very short to print the work step used time, whenever being completed for printing, plate will be wanted to leading portion track, substrate can be completed for printing endlessly, waits paster, is so accomplished to entrance backflow work step from printing work step, substrate can pile up at least 10 pieces of substrates, and the substrate being namely completed for printing enters backflow at least needs about 40min; And substrate is through printing work step, tin cream has been printed on substrate, the chemical composition of tin cream is stannum, for a long time exposed in atmosphere, can easily with oxygen generation chemical reaction in air, in backflow work step later, producing stannide through high temperature, stannide has certain welding resistance effect, makes the contact that element contacts with substrate crisp, affect welding effect so that it is low that SMT produces yield.
Summary of the invention
For the problems referred to above, the invention provides a kind of SMT rhythm of production and control system, the plate time is entered by controlling substrate, the time of unified each work step, thus reducing tin cream or element is exposed in the extraneous time, reducing tin cream oxidation, improving SMT and produce yield, additionally, present invention also offers a kind of self-locking timing circuit.
Its technical scheme is such that a kind of SMT rhythm of production and controls system, including the upper trigger controller electricly connected, track controller, rail sensor, described track controller wants partitioned signal by sending without the backward described upper trigger controller of substrate in described rail sensor sense, it is characterised in that: also include:
Relay K M1, described relay K M1 and described track controller electricly connect, and what the described relay K M1 described track controller of intercepting sent wants partitioned signal for exciting described relay K M1;
Time relay KT1, described time relay KT1 and described relay K M1 electricly connects, described relay K M1 excite described time relay KT1 and with described time relay KT1 constitute self-locking timing circuit, described time relay KT1 to want partitioned signal carry out postpone transmission.
Further, also include high level trigger C1, described high level trigger electricly connects with described time relay KT1 and described rail sensor respectively, described rail sensor triggers described high level trigger, and described time relay KT1 will be transferred to described upper trigger controller by partitioned signal by high level trigger.
Further, described relay K M1 also electricly connects with upper trigger, and described upper trigger powers to described relay K M1.
Further, described time relay KT1 also electricly connects with upper trigger, and described upper trigger is powered to time relay KT1.
Further, described high level trigger C1 also electricly connects with track, and described track powers to described high level trigger C1.
Further, 14 ports of the described relay K M1 of described self-locking timing circuit are connected with described track controller, 9 ports of described relay K M1 are connected with 14 ports of described relay K M1,6 ports of described relay K M1 connect 7 ports of described time relay KT1,5 ports of described relay K M1 connect 5 ports of described time relay KT1, and 6 ports of described time relay KT1 connect the common port of described high level trigger C1.
Further, the normal-closed end of described high level trigger C1 connects described upper trigger controller, and the signal of described high level trigger C1 goes out to make a start and connects described rail sensor, and described rail sensor provides and triggers the signal described high level trigger C1 of triggering.
Further, positive input and the negative input end of described high level trigger C1 electricly connect with described track respectively, and described rail sensor can provide+24V power supply and-24V power supply respectively for described high level trigger C1; 10 ports and 13 ports of described relay K M1 connect described upper trigger respectively, described upper trigger provides 24V voltage to described relay K M1,8 ports of described time relay KT1 and 2 ports connect described upper trigger respectively, and described upper trigger provides 24V voltage to described relay K M1.
A kind of self-locking timing circuit, it is characterized in that: include relay K M1 and time relay KT1, described relay K M1 and time relay KT1 constitutes self-locking timing circuit, 14 ports of described relay K M1 connect external input terminals, 10 ports and 13 ports of described relay K M1 are just connecting 24V power supply respectively, negative pole, 9 ports of described relay K M1 are also connected with 14 ports of described relay K M1, 6 ports of described relay K M1 connect 7 ports of described time relay KT1, 5 ports of described relay K M1 connect 5 ports of described time relay KT1, 2 ports and 8 ports of described time relay KT1 are just connecting 24V power supply respectively, negative pole, 6 ports of described time relay KT1 connect outside outfan.
The SMT rhythm of production control system of the present invention is after surface mount system, after printing work step completes, rail sensor senses on track without sending the signal of telecommunication after substrate to track controller, track controller sends and wants partitioned signal, the SMT rhythm of production control system of the present invention senses and can excite relay K M1 after wanting partitioned signal, after relay K M1 activates, the power supply that relay K M1 connects is powered from relay K M1 entry time relay K T1, activationary time relay K T1, the power supply that time relay KT1 connects is powered and is entered relay K M1 from time relay KT1, form self-locking timing circuit, after time relay K T1 reaches the setting time, the power supply that time relay KT1 connects realizes the time delay conveying signal of telecommunication as wanting partitioned signal, time relay KT1 and high level trigger C1 electricly connects, what time relay KT1 sent wants partitioned signal to flow to high level trigger C1, the triggering signal of high level trigger is from rail sensor, rail sensor senses can trigger high level trigger C1 without the signal of telecommunication sent after substrate on track, high level trigger C1 is connected, now can arrive upper trigger controller through high level trigger C1 from the partitioned signal of wanting of time relay KT1, complete to want the delay transport of partitioned signal, arranging of high level trigger determines that back segment track is in wanting board status, to avoid signal transmission errors, ensure real-time Transmission signal,When the paster time of current paster work step is fixing, can so that the substrate printed can rest on inside printing press, wait leading portion paster work step complete after in the transmission carrying out substrate, rhythm of production can be regulated, the time of each work step unified, the time of backflow was arrived in covert minimizing after being completed for printing, thus reducing tin cream or element is exposed in the extraneous time, and tin cream is originally in time within printing press, tin cream presents strip and concentrates in together, less with air contact portion, it is not susceptible to chemical reaction, tin cream oxidation can be reduced, improve SMT and produce yield, the running voltage of relay K M1 and time relay KT1 is from upper trigger, the triggering voltage of high level trigger is from track, without using external power supply can realize rhythm of production control, back segment work step production status just can be monitored without additionally arranging sensor, to avoid signal transmission errors, in addition, the self-locking timing circuit of the present invention can realize the time delay transmission of input signal, delay time can specifically arrange adjustment according to time relay KT1, and this self-locking timing circuit can be applied in and arbitrarily need in the system that rhythm of production controls.
Accompanying drawing explanation
Fig. 1 is the circuit diagram of the self-locking timing circuit of the present invention;
Fig. 2 is the circuit diagram of the SMT rhythm of production control system of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in detail.
See Fig. 1, a kind of self-locking timing circuit of the present invention, including relay K M1 and time relay KT1, relay K M1 and time relay KT1 constitutes self-locking timing circuit, 14 ports of relay K M1 connect external input terminals, 10 ports and 13 ports of relay K M1 are just connecting 24V power supply respectively, negative pole, 9 ports of relay K M1 are also connected with 14 ports of relay K M1, 7 ports of the 6 port Connection Time relay K T1 of relay K M1, 5 ports of the 5 port Connection Time relay K T1 of relay K M1, 2 ports and 8 ports of time relay KT1 are just connecting 24V power supply respectively, negative pole, 6 ports of time relay KT1 connect outside outfan, this self-locking timing circuit can realize the time delay transmission of input signal, delay time can specifically arrange adjustment according to time relay KT1, this self-locking timing circuit can be applied in and arbitrarily need in the system that rhythm of production controls.
See Fig. 2, a kind of SMT rhythm of production of the present invention controls system, including the upper trigger controller electricly connected, track controller, rail sensor, track controller is by wanting partitioned signal without sending to upper trigger controller after substrate in rail sensor sense, also include: relay K M1, relay K M1 and track controller electricly connect, and what relay K M1 intercepting track controller sent wants partitioned signal for exciting relay K M1; Time relay KT1, time relay KT1 and relay K M1 electricly connect, and relay K M1 firing time relay K T1 also constitutes self-locking timing circuit with time relay KT1, and time relay KT1 carries out postponing transmission to wanting partitioned signal; Also include high level trigger C1, high level trigger electricly connects with time relay KT1 and rail sensor respectively, rail sensor triggers high level trigger, and time relay KT1 will be transferred to upper trigger controller by partitioned signal by high level trigger.
Relay K M1 also electricly connects with upper trigger, and upper trigger is powered to relay K M1;Time relay KT1 also electricly connects with upper trigger, and upper trigger is powered to time relay KT1; High level trigger C1 also electricly connects with track, and track is powered to high level trigger C1.
The model of the relay K M1 that the SMT rhythm of production of the present invention controls system is MY4N-J, the model of time relay KT1 is ZYS48-S, the model of high level trigger C1 is SRD-24VDC-SL-C, physical circuit described in detail below connects: 14 ports of relay K M1 are connected with track controller, 9 ports of relay K M1 are connected with 14 ports of relay K M1, 10 ports and 13 ports of relay K M1 connect upper trigger respectively, upper trigger provides 7 ports of the 6 port Connection Time relay K T1 of 24V voltage relay KM1 to relay K M1, 5 ports of the 5 port Connection Time relay K T1 of relay K M1, 6 ports of time relay KT1 connect the common port of high level trigger C1, 8 ports and 2 ports of time relay KT1 connect upper trigger respectively, upper trigger provides 24V voltage to relay K M1, the normal-closed end of high level trigger C1 connects upper trigger controller, the signal of high level trigger C1 goes out to make a start connection rail sensor, rail sensor provides and triggers signal triggering high level trigger C1, positive input and the negative input end of high level trigger C1 electricly connect with track respectively, rail sensor can provide+24V power supply and-24V power supply respectively for high level trigger C1.
The following specifically describes the SMT rhythm of production of the present invention and control the work process of system: after printing work step completes, back segment rail sensor senses on track without sending the signal of telecommunication after substrate to track controller, track controller sends and wants partitioned signal, intercepting wants partitioned signal as the triggering signal of relay K M1, want partitioned signal to send i.e. relay K M1 and trigger signal generation, 10 ports and 13 ports through relay K M1, produce loop, activate relay K M1, after relay K M1 activates, take from the 24V voltage 10 ports through relay K M1 of upper trigger, arrive 6 ports of relay K M1, 7 ports of entry time relay K T1, 2 ports then through time relay KT1, return to power cathode, form loop, activationary time relay K T1, after time relay K T1 activates, take from 5 ports of the 8 port entry time relay K T1 of the 24V electricity elapsed time relay K T1 of upper trigger, arrive at 5 ports of general relay K M1, enter back into 9 ports of relay K M1, finally arrive at 14 ports of relay K M1, forming self-locking timing circuit, what relay K M1 will lock up that back segment track controller spreads out of wants partitioned signal, and system enters self-locking state. and after time relay K T1 reaches the setting time, time relay KT1 disconnects 8 ports and the connection of 5 ports, beginning to turn on 8 ports and 6 ports, 24V voltage arrives at the common port of high level trigger through 6 ports, the positive input terminal of high level trigger C1 connects+24V power supply, the negative input end of high level trigger C1 connects-24V power supply, + 24V power supply and-24V power supply are from track, the rail sensor of back segment track trading halt position senses without substrate, the signal of telecommunication is exported and goes out to make a start to the signal of high level trigger, high level trigger is connected, the 24V power supply of the time relay 6 port is through high level trigger common port, arrive at high level trigger normal-closed end, high level trigger normal-closed end output 24V is to upper trigger controller, this signal completes delay transport, after plate taken by back segment track, partitioned signal is wanted to cancel, 24 signals of telecommunication of rail sensor stop transmission, and the time relay resets, the all original papers of system reset simultaneously, wait signal next time.
The SMT rhythm of production of the present invention controls system by the delay transport wanting partitioned signal, when the paster time of current paster work step is fixing, so that substrate can rest on inside printing press, wait leading portion paster work step complete after in the transmission carrying out substrate, rhythm of production can be regulated, rhythm of production interval is adjusted to the production time of the whole line bottleneck work step of SMT and paster work step, the time of each work step unified, thus reducing tin cream or element is exposed in the extraneous time, reduce tin cream oxidation, improve SMT and produce yield, concrete delay time can pass through to adjust time relay KT1 and regulate, time with reference to paster work step is specifically arranged, the 24v voltage of relay K M1 and time relay KT1 is from upper trigger, without using external power supply can realize rhythm of production control, the triggering voltage of high level trigger is from rail sensor, back segment work step production status just can be monitored without additionally arranging sensor, high level trigger determines that back segment track is in wanting board status, to avoid signal transmission errors, ensure real-time Transmission signal.
Claims (9)
1. a SMT rhythm of production controls system, including the upper trigger controller electricly connected, track controller, rail sensor, described track controller wants partitioned signal by sending without the backward described upper trigger controller of substrate in described rail sensor sense, it is characterised in that: also include:
Relay K M1, described relay K M1 and described track controller electricly connect, and what the described relay K M1 described track controller of intercepting sent wants partitioned signal for exciting described relay K M1;
Time relay KT1, described time relay KT1 and described relay K M1 electricly connects, described relay K M1 excite described time relay KT1 and with described time relay KT1 constitute self-locking timing circuit, described time relay KT1 to want partitioned signal carry out postpone transmission.
2. a kind of SMT rhythm of production according to claim 1 controls system, it is characterized in that: also include high level trigger C1, described high level trigger electricly connects with described time relay KT1 and described rail sensor respectively, described rail sensor triggers described high level trigger, and described time relay KT1 will be transferred to described upper trigger controller by partitioned signal by high level trigger.
3. a kind of SMT rhythm of production according to claim 2 controls system, it is characterised in that: described relay K M1 also electricly connects with upper trigger, and described upper trigger powers to described relay K M1.
4. a kind of SMT rhythm of production according to claim 3 controls system, it is characterised in that: described time relay KT1 also electricly connects with upper trigger, and described upper trigger is powered to time relay KT1.
5. a kind of SMT rhythm of production according to claim 4 controls system, it is characterised in that: described high level trigger C1 also electricly connects with track, and described track powers to described high level trigger C1.
6. a kind of SMT rhythm of production according to claim 5 controls system, it is characterized in that: 14 ports of the described relay K M1 of described self-locking timing circuit are connected with described track controller, 9 ports of described relay K M1 are connected with 14 ports of described relay K M1,6 ports of described relay K M1 connect 7 ports of described time relay KT1,5 ports of described relay K M1 connect 5 ports of described time relay KT1, and 6 ports of described time relay KT1 connect the common port of described high level trigger C1.
7. a kind of SMT rhythm of production according to claim 6 controls system, it is characterized in that: the normal-closed end of described high level trigger C1 connects described upper trigger controller, the signal of described high level trigger C1 goes out to make a start and connects described rail sensor, and described rail sensor provides and triggers the signal described high level trigger C1 of triggering.
8. a kind of SMT rhythm of production according to claim 7 controls system, it is characterized in that: positive input and the negative input end of described high level trigger C1 electricly connect with described track respectively, described rail sensor can provide+24V power supply and-24V power supply respectively for described high level trigger C1; 10 ports and 13 ports of described relay K M1 connect described upper trigger respectively, described upper trigger provides 24V voltage to described relay K M1,8 ports of described time relay KT1 and 2 ports connect described upper trigger respectively, and described upper trigger provides 24V voltage to described relay K M1.
9. a self-locking timing circuit, it is characterized in that: include relay K M1 and time relay KT1, described relay K M1 and time relay KT1 constitutes self-locking timing circuit, 14 ports of described relay K M1 connect external input terminals, 10 ports and 13 ports of described relay K M1 are just connecting 24V power supply respectively, negative pole, 9 ports of described relay K M1 are also connected with 14 ports of described relay K M1, 6 ports of described relay K M1 connect 7 ports of described time relay KT1, 5 ports of described relay K M1 connect 5 ports of described time relay KT1, 2 ports and 8 ports of described time relay KT1 are just connecting 24V power supply respectively, negative pole, 6 ports of described time relay KT1 connect outside outfan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610174546.8A CN105676828B (en) | 2016-03-25 | 2016-03-25 | A kind of SMT rhythm of production control system and its self-locking timing circuit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610174546.8A CN105676828B (en) | 2016-03-25 | 2016-03-25 | A kind of SMT rhythm of production control system and its self-locking timing circuit |
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| Publication Number | Publication Date |
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| CN105676828A true CN105676828A (en) | 2016-06-15 |
| CN105676828B CN105676828B (en) | 2018-10-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113473835A (en) * | 2020-03-31 | 2021-10-01 | 深南电路股份有限公司 | Surface mounting control system and control method |
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| JPH1043998A (en) * | 1996-07-26 | 1998-02-17 | Kiyousan Denki Kk | Time totalizing method in production process equipment and operation rate totalizing method using this totalizing method |
| CN200956099Y (en) * | 2007-03-23 | 2007-10-03 | 苏景民 | Energy-saving controller for pumping unit |
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| CN203415497U (en) * | 2013-08-06 | 2014-01-29 | 成都欧安电气有限公司 | Adjustable static time relay |
| CN203483922U (en) * | 2013-07-29 | 2014-03-19 | 蒋永华 | Timing system for solid-liquid separation device |
| CN205563248U (en) * | 2016-03-25 | 2016-09-07 | 爱普科斯科技（无锡）有限公司 | SMT production rhythm control system and auto -lock timing circuit thereof |
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2016
- 2016-03-25 CN CN201610174546.8A patent/CN105676828B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1043998A (en) * | 1996-07-26 | 1998-02-17 | Kiyousan Denki Kk | Time totalizing method in production process equipment and operation rate totalizing method using this totalizing method |
| CN200956099Y (en) * | 2007-03-23 | 2007-10-03 | 苏景民 | Energy-saving controller for pumping unit |
| CN201035356Y (en) * | 2007-05-30 | 2008-03-12 | 东风汽车股份有限公司 | Program controller composed of multiple sets of time relays and AC contactor |
| CN203483922U (en) * | 2013-07-29 | 2014-03-19 | 蒋永华 | Timing system for solid-liquid separation device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113473835A (en) * | 2020-03-31 | 2021-10-01 | 深南电路股份有限公司 | Surface mounting control system and control method |
| CN113473835B (en) * | 2020-03-31 | 2022-06-21 | 深南电路股份有限公司 | Surface mounting control system and control method |
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| Publication number | Publication date |
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| CN105676828B (en) | 2018-10-26 |
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Address after: 214028 Jiangsu city of Wuxi province Quxi Shi Wu New Road No. 17 Applicant after: Full spectrum radio frequency technology (Wuxi) Co., Ltd. Address before: 214028, 2, Xindu Road, Wuxi Singapore Industrial Park, Xin Wu District, Jiangsu, Wuxi Applicant before: EPCOS Technology (Wuxi) Co., Ltd. |
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