Flexible circuit board instructions

Retention period
1, FPC conductor exposed parts, need to go through the surface coating (rust) treatment, such as plating / gold, OSP, tin, storage environment need to avoid corrosive gases, and the temperature to be controlled below 25 ℃, humidity control 50- 70%.
2, the product in the above preservation conditions, the effective shelf life of 6 months after the factory, plus desiccant vacuum packaging, shelf life of 1 year.
3, after the shelf life of the product will only affect the welding (such as gold surface oxidation, FPC moisture), in other areas no effect.
SMT job description
1, FPC substrate materials used in the absorption characteristics, such as customer process in a high temperature or through the SMT process, before the operation to bake dehumidification action, to avoid the product has burst holes, bubbles, stratification and other undesirable.
2, SMT baking before the general recommended baking temperature of 110-130 ℃, time is 60-120 minutes.
3, FPC after baking operation, need to be on-line within 2 hours of operation, such as more than 2 hours to be expected to work, you need to bake again to avoid the plate again moisture, affecting SMT operations.
4, FPC due to folding characteristics, so the parts of the welding position on the back need to strengthen the design to protect the solder joints and exposed areas from external forces, if no reinforcement design, then avoid any changes in the parts area Of the action, so as not to have the solder wire soldering concerns.

Bend instructions for use
1, Although FPC can be bent, but there will be a disruptive phenomenon if it is180 ° dead fold,
2, most of the ink-type protective layer characteristics are not resistant to bending, so the use of FPC surface protection ink printing area, such as text, marking, welding and other areas, is strictly prohibited in the assembly process more than 90 ° bending The action produced.
3, covering the film or the reinforcement plate and the conductor exposed area junction, such as pulling the gold finger end, for the stress concentration area, easy in the assembly process due to stress concentration, resulting in line break bad doubts, to remind FPC users attention This phenomenon.
4, FPC shape corner, with the stress concentration of the region, easy in the assembly process, produce tear phenomenon, to remind the user to pay attention to this phenomenon.
5, FPC conductor exposed parts, the surface coating treatment, such as gold / gold, etc., the focus is to prevent oxidation, this area is not suitable for bending action.
6, the general finger finger plug area, although the reinforcement plate design, but still not suitable for this area to bend, back-end components assembly process to pay special attention.
7, can not be directly on the FPC hole on the bend, so as to avoid the reliability of doubt.

Darlox’s producs: Flexible flat cables  FFC Cables  40P 0.5mm pitch LVDS FFC Cable

Darlox FPC process capability and production equipment

Items 2010 2013
Conductor width/Pitch 3mil/3mil 1.6mil/1.6mil
Line distance tolerance ±0.02mm ±0.01mm
The distance between the pad and the line 0.1mm 0.075mm
Line and the edge of the distance 0.15mm 0.15mm
Minimum pad size 0.3×0.3mm 0.3×0.3mm
Convex disk size 0.45mm 0.25mm
Minimum PTH pore size 0.2mm 0.1mm
Silk screen alignment tolerance ±0.2mm ±0.075mm
Dimensional tolerances ±0.05mm ±0.05mm
Aperture / hole tolerance ±0.05mm ±0.025mm
Nickel plating thickness 1μm-5μm 1μm-5μm
Gold plating thickness 0.05μm-0.2μm 0.05μm-0.2μm
Maximum number of layers 8 8






Darlox’s producs: Flexible flat cables  FFC Cables  40P 0.5mm pitch LVDS FFC Cable


Darlox electronic flexible printed circuit board intelligent factory is selected 2017 National Intelligent Manufacturing Pilot Demonstration

The “2017 national smart manufacturing pilot demonstration project list” come out recommended by the local industrial and information technology departments. The State Ministry of Industry announced , Darlox electronic “flexible printed circuit board intelligent factory pilot demonstration” is selected. Darlox Electronics is the only one selected enterprises in Guangdong.


Darlox electronic “flexible printed circuit board intelligent factory” is based on intelligent, digital, information technology as the focus, the use of intelligent technology and equipment to enhance the transformation of traditional flexible printed circuit board processing process, through automation, information technology, Digital and other technology development, in order to achieve factory efficiency management, system fade, quality traceability and other functions to ensure that the flexible printed circuit board design and production of the whole process of real-time monitoring and intelligent monitoring.

Under the current international situation, intelligent manufacturing as the representative of the rapid development of a new round of industrial development, digital network of intelligent increasingly become the main trend of manufacturing. Hongxin Electronics actively respond to the call of the state, in accordance with the special action to determine the “side pilot demonstration, while summing up experience, while promoting the use of” the overall arrangement, the implementation of “Made in China 2025” and intelligent manufacturing projects, and strive for China’s economic growth momentum, Round of industrial competition to make a high point to make a contribution.

Darlox’s producs: Flexible flat cables  FFC Cables  40P 0.5mm pitch LVDS FFC Cable

Darlox Electronic new staff induction training reports

For all the new staffs, the induction training is a new starting point, adapting to the new organization’s behavior goals and working methods. Darlox opened the new training courses for young employees In May 15, 2017. Through the new staff induction training, employees understand the basic content and methods of work, so that they clear their duties, procedures, standards, and to their initial instill the business and its departments expect the attitude, norms, values and behavior Mode, etc.

Darlox’s training is to help the new staffs successfully adapt to the business environment and new jobs,

Teaching teachers are: the Huang hedan, Tang Jiayi, Wang Lianxi

The causes including welding, plug-in / plug-in, product inspection, screw, packing, electronic components and operating parts of the basic theory and practice.

Darlox’s producs: Flexible flat cables  FFC Cables  40P 0.5mm pitch LVDS FFC Cable

Darlox established long term relation ship with Midiplus

As a professional flex pcbs solution supplier, Darlox built long term relation ship with Midiplus which is an international manufacturer of MIDI Keyboard. Midiplus belongs to Taiwan Dahong wood instruments Limited committed to the development of MIDI related products. Midiplus production of multi series MIDI master keyboard is exporting to Europe and America.

Darlox offering an special flex pcbs which can resolve complex technology that anti-interference. The Midiplus Highly valued Darlox’s professional business and perfect products. The cooperation is meaning that Darlox’s R&D capacity come to a top rank.


Darlox’s producs: Flexible flat cables  FFC Cables


SMK launched capacitive touch screen surface for automotive


Japanese SMK company announced the development of an electrostatic capacity type touch-screen surface “CapSleek Touch” March 8, 2016, has begun to accept orders. The new products are the upper and lower two thin film electrode film / film (F1F) type, support surface cover. By using the transparent conductive sensor (ITO) film, it can be together in a vacuum environment to prevent the generation of bubbles, and the injection molding resin surface cover panel. Cover using a transfer molding technology, high degree of freedom in-mold decoration. The radius of curvature of the cover (R) 700, the curvature of the other products can also be customized.

Transmission rate of up to 88% (when affixed with optical film), the minimum reflectance of 9% (affixed with an optical thin film). Support handwriting input, the workload is 0N. Operating temperature range is -30 ℃ ~ + 85 ℃, storage temperature range of -40 ℃ ~ + 95 ℃. Contemplated for use in car navigation systems, car console, home appliances, commercial equipment.

In the capacitance-type touch screen aspect, SMK has introduced G2 is composed of a glass composed, OGS (One Glass Solution), the two glass glass / glass (G1G), F1F several products from the two thin film of the series . This time, the company hopes to launch the product surface, the expansion of product lines. Philippines factory plans to produce 100,000 units (converted by 7 inches) capacity for production.

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Molex offers Brad modular power solutions for molding the trunk cable


Molex Incorporated offers a complete Brad modular power solutions product line for machine builders, which is characterized by having a maximum 30A, 600V AC / DC feeder line of sturdy molded trunk cable, as well as for the maximum 15A, 600V AC / DC branch distribution circuit tap-molded cable. Molex’s Brad power components are designed according to NFPA-79 industrial electrical equipment standard which meet UL2237 (PVVA) standard, can be used for motor branch circuits.
Ted Kyriazes, Molex global product manager, explains:. “Brad comply with UL2237 standard quick connect pressure module contains pre-wired and factory wiring harness connector molded, is an alternative to hard-wired machine ideal for these modules can create powerful, scalable and easy to install distribution system, eliminating the need for conventional pipe installation and special tools and skilled workers are usually required. ”

Brad power solutions for a variety of industries, including food and beverage processing, packaging and material handling, automotive assembly and pharmaceuticals. Brad wiring system provides a significant advantage over the operation of the pipeline based on hard-wired:

● reduce operating costs

● Faster machine assembly

● faster debugging new industrial equipment

Brad keyed power connector provides two choices for mechanically distinguishing trunk and feeder circuits, improve design flexibility. Tee (tee) with a flat head connector provides branch circuit to the access point field device, and the three-way connector with the trunk of the separation of the main feeder into the branch circuit portion. Brad key element is to establish three-way power modular scalable trunk and tap wires topology, providing an access point as a branch or a tap.

Brad quick-connect wiring harness connector and supports fast field wiring. All connectors have an extended ground wire pin characteristics, to meet the first mating / off eventually need. Brad harness using TC-ER cables (Tray-Rated, Exposed Run) manufacturing.

Kyriazes added: “Brad has a modular assembly system consistent and easy to copy, can provide advantages for situations involving multiple machines integrated Brad power to ensure product is fully compatible with industry-standard applications, providing Brad brand has been recognized by the industry. the unparalleled performance. ”

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Murata developed out of the bus with a multilayer ceramic capacitor

Murata has developed a maximum temperature of 200 ℃, and support the use of a conductive adhesive bonding of multilayer ceramic capacitor installation “GCB series.” Samples are currently available, pre-2016 production year. Mainly for in part with a severe temperature environment surrounding the car engine compartment, etc., such as control transmissions and other electronic control unit (ECU).

Development of products through the use of external electrodes “Ni / Pd electrode”, in a high temperature environment can be achieved with high bonding reliability conductive adhesive. In addition, compared with the original GCG products, new products to improve the corrosion resistance of the terminal electrodes.

Temperature characteristics there are two main series GCB. A is at -55 ~ + 150 ℃ electrostatic capacity change rate of ± 15% of the “X8R Characteristics”, the other is a change in electrostatic capacity at -55 ~ + 200 ℃ rate of + 15 / -50% for ” X9M characteristics. ” Rated voltage of 10 ~ 100Vdc. An electrostatic capacity of 1000pF ~ 0.47μF. Automotive electronic components comply with the standard “AEC-Q200″. Dimensions have dimension 1005 (1.0mm × 0.5mm × 0.5mm) and 1608 size (1.6mm × 0.8mm × 0.8mm) two kinds.

2 Layer Flexible PCB  Flexible Printed Circuit Boards  8 Layer Flex PCB

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6-inch flexible AMOLED display technology integration module and PEDOT touch panel

In the PI (polyimide) film made 6-inch flexible touch panel PEDOT no need to use an etching process and marks “multipurpose flexible electronic substrate technology” (FlexUpTM). Flexible test, the change in resistance after the PEDOT electrode 10K flexing test fell by 1%.

Flexible Test

PEDOT electrode application flexibility on FlexUpTM PI film needs to be assessed by a bending test. Bending radius referred to herein, cycle time and curvature of 5 mm, respectively, 10,000 and 2 seconds / times.

6-inch flexible PEDOT touch panel is produced using a PEDOT mapping technology and “multi-purpose flexible electronic substrate technology” (FlexUpTM) combined. After the AMOLED display module technology integration, through hand-painted, 5:00 touch and zoom in / out function, performance of this product has been successfully demonstrated. Conducting a 10,000 weeks within a radius of 5 mm / Outbound bending test after each PEDOT electrode resistance change rate of less than 1%. Based on the above test results, transparent, highly conductive PEDOT polymer could be used in a flexible touch panel fields.

2 Layer Flexible PCB  Flexible Printed Circuit Boards  8 Layer Flex PCB

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General Motors recalls truth,engineer make mistake after another

Some recent reports about the cars appear defect and recall (recall) are really disturbing. Although these incidents are not unusual, but no matter how hard engineers are trying to improve this type of incident will not let disappear.

“This does not only happen in the General Motors (GM),” the honorary chairman of the Center for Automotive Research David Cole: “Everyone in the automotive industry are likely to face this problem in the coming months, you’ll see more. more this type of event. ”

GM announced earlier this year called repair 2.4 million cars because of ignition device problem and the news topic. It is not only for the recovery of a car were spent $ 1.3 billion in maintenance costs, but also by the United States National Highway Traffic Safety Administration (NHTSA) cut a fine of $ 35,000 million. Over the past two weeks, the auto giant has successively recall 2.7 million, 2.4 million and 21,8000 vehicles, is expected to lead to another $ 400 million pen called repair expenses.

2 Layer Flexible PCB  Flexible Printed Circuit Boards  8 Layer Flex PCB

AWM 20624 80C 60V VW-1 Gold plated FFC cable

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