• What is wave soldering?

    Wave soldering is to make the solder side of the PCB directly contact with high temperature liquid tin for welding purposes,its high temperature liquid tin maintains an inclined surface, and a special device makes liquid tin form a wavy phenomenon, so it is called “wave soldering”,its main material is soldering tin bar. Wave soldering is currently the most commonly used and effective method, wave soldering system has a large enough tin can handle the maximum circuit board width you expect.Wave soldering is suitable for medium batch or large quantity welding. Advantage:...

  • The advantage of robot in PCB industry

    The advantage of robot in PCB industry Like the automobile industry and other manufacturing industries, industrial robots have brought many advantages to enterprises in the PCB industry. 1.Reduce the use of work, speed up the pace of work, improve work efficiency. 2.Improve operation precision and product quality. 3.To avoid the potential threat to the health and safety of workers from the operating environment and save the investment in environmental safety. 4.Reduce the loss of efficiency, quality and accident rate caused by repeated and boring processes...

  • Why PCB Design Software is Proving So Vital to Modern Circuit Board Ingenuity

    Printed circuit board (PCB) design software is a remarkable tool when it comes to designing PCB for electronic devices. By using the PCB design software, an engineer not only addresses issues associated with power integrity and signal, but is also able to modify and improve the entire circuit structure. PCB design software can be easily integrated with other associated plugin PLM software that can assist engineers to better analyze layouts and designs of PCBs. In recent years, the demand for PCB design software from the electronics manufacturing industry has been robust. According to the latest data released by Future Market Insights (FMI), the global market for PCB design software is set to witness a CAGR of more than 12% between 2016 and 2026 to rake in $4,755.1 million in revenues by the end of the forecast period. Needless to say, PCB design software eliminates issues faster and significantly reduces circuit......

  • The veteran’s answer about Crystal Oscillator (Part one)

    Someone who has just started to join in Electronic Industry,they often faced the questions about Crystal Oscillator,even they have researched a lot of resources from refernce books or internet,but many of them are still in confusion. Today I share with you some typical questions and answers from the veteran electronic engineer. What’s the fonction of Crystal Oscillator? The main fonction is providing a clock signal for the whole system. For example,the run model of CPU is step by step,every step defined an instruction that base on Crystal Oscillator. What’s the relation between Crystal Oscillator and timing sequence? Timing sequence is counted on the clock’s order,and the clock is generated by a Crystal Oscillator. Why we often set some different Crystal Oscillator on the same PCB? Evey different CPU or Chip has different frequencies,they need matched Crystal Oscillator to run. For example,USB1.1 needs 48MHz clock to be divided, so 12MHz crystal......

  • The veteran’s answer about Crystal Oscillator (Part two)

    USB1.1 needs 48MHz clock to be divided, so 12MHz crystal oscillator is required, and the frequency is 4 times that of 48MHz. Why don’t choose 48MHz Crystal Oscillator directly? Because high frequency crystal oscillator is easy to be affected by peripheral circuits or affect peripheral circuits. Most of the time,we get high frequency by using low frequency crystal oscillator with second harmonic generation. But it’s not absolute,many circuits is often used a crystal oscillator of 50M or more. That’s a key point that we need a special attention when we do PCB layout.   Why we use 32.768KHz crystal oscillator when the RTC clock needs a more accurate 1S (1 second)? Because all digital circuits are expressed by binary system,32768 is 1000000000000000 in binary system. So as long as we detect the highest bit changes, we will know that 1 second, don’t need to check every bit, the circuit is......

How to find a suitable PCB board supplier in China

Nowadays, there are countless large and small pcb manufacturers in China,which, on one hand,reflects the stable development of China's economy. On the other hand, it can be seen that the prospects of the PCB industry are good,especially with the breakthrough of artificial intelligence technology in the future. As well as the Internet of Things, driverless, and 5G technology development, the demand for printed circuit boards in the electronics manufacturing industry will gradually increase. Printed circuit boards are bridges that carry electronic components and connect circuits. They are called "mother of electronic products" and are widely used in communication electronics, consumer electronics, computers, automotive electronics, industrial control, medical devices, defense and aerospace. The field is an indispensable electronic component in modern electronic information products. The development level of the printed circuit board industry can reflect the development speed and technical level of a country or region's electronic information industry to a certain extent. In the current environment of cloud technology, 5G network...

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United Arab Emirates (UAE) Announces the use of Huawei equipment to build 5G

The United Arab Emirates said on Tuesday that it will use Huawei's equipment to build a new high-speed wireless network, despite pressure from the US to avoid Huawei's products. The news was announced at an important European trade conference, which is another blow to US officials convincing countries to restrict the use of Huawei equipment in the next generation of wireless networks. The Trump administration claims that Huawei's equipment will lead to cybersecurity risks and can be used by the Chinese government to engage in espionage or sabotage. Huawei has firmly denied the allegations. But the plan, detailed by the United Arab Emirates state-owned telecommunications company Etisalat, is the latest sign that US officials are experiencing difficulties in convincing other countries to suppress Huawei, China's largest telecommunications equipment manufacturer. The UAE is a reliable ally of the United States in the Middle East and a major purchaser of US military equipment. Most US lobbying actions against Huawei are concentrated in Europe. Huawei sells antennas,...

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China has become the world’s largest PCB Producer

Under the overall trend of the global PCB industry shift to Asia, China, as a major electronics manufacturing country, has attracted a large number of foreign and local PCB companies to invest in a huge domestic demand market and relatively low production costs, and promoted the Chinese PCB industry in just a few years. Explosive growth. At present, China has become the world's largest PCB producer and one of the regions in the world that can provide the largest PCB capacity and the most complete product types. On the whole, although the number of local PCB companies is large, there is still a certain gap between the size and technical level of the enterprises and the foreign-funded enterprises that set up branches in mainland China, and the competitiveness is slightly weak. From 2008 to 2016, the output value of China's PCB industry increased from US$15.037 billion to US$27.24 billion, with a compound annual growth rate of 7.7%, far exceeding the global...

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5G Will Bring Great Innovation In The Electronics Manufacturing Industry

5G Technology Landing Project is an important policy of the Chinese government in 2019, which will drive the entire industry chain of upstream and downstream, 5G technology will promote a great development of related fields such as Internet of Things, Cloud computing,Big Data and AI, and empower vertical industry and deep integration, forming a 5G ecosystem, injecting strong momentum into national competitiveness, social transformation and industry upgrading It is estimated that, the global 5G network will reach 28 billion US dollars by the end of 2023, and the compound annual growth rate of the infrastructure market will reach 70%. 5G commercial will affect the electronic manufacturing industry in stages, and the application will be carried out around the four-tier system, from terminal intelligence to network efficiency to information and dataization, and finally integrate with traditional industries to breed 5G-based emerging information products and services. Plastic industry development model. The innovation of terminals, networks and data will drive the development of traditional fields...

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Introduction of the welding method for PCB production process

Welding refers to the manufacturing process and technology of joining metal or other thermoplastic materials by means of heating, high temperature, high pressure, and the like. Welding is a very important process in PCB production. If there is no soldering, the various devices cannot be concentrated on the board, and the so-called circuit board cannot be formed. There are many different welding processes, so let's take a look at what is common. 1. Arc welding Arc welding, which uses arc heat to melt the workpiece to achieve the connection. Arc welding is a common type of welding method. There are two basic types, one is the melting pole arc, the electrode is melted by the arc heat, and the molten electrode metal passes through the arc to the molten pool. The other is a non-melting arc, the electrode does not melt, and the filler metal needs to be added separately to the bath. 2. Plasma welding Plasma welding belongs to flash arc welding, which...

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Global Memory Card Market: China’s memory technology ranks second

DRAMeXchange, a memory card industry research organization of TrendForce, recently released the 2014 global memory market statistics report, and ranked the top ten vendors. The second one is likely to surprise many people. In 2014, the global memory industry total sales of 8.8 billion US dollars, a 21% year-on-year increase. This is mainly due to the stability of PC DRAM memory grain prices and the growth of cash-related trade-related contracts. Due to the shortage of market supply, control of supply and demand, coupled with the rapid growth of the smartphone and server markets, the memory industry in 2014 is still very profitable, and the price of memory chips throughout the year is also very stable. The average contract price and market of 4Gb DDR3 The price was 3.65 US dollars, 4.00 US dollars, an increase of 18, 17%, the difference between the two is only 10%. On the vendor side, Kingston was the boss, with sales of $5.2 billion, a surge of 44.69%...

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Introduction to Rigid-flex PCBs

Introduction Rigid-flex PCB is a special integrated circuit board combining with rigid and flex circuit layers. It is mixed one or several rigid area and flexible area, then is laminated together to be an integrity circuit board. Advantages and characteristics To meet 3D assembly in the small space, we need Rigid Flex PCB to have both rigid and flex circuit layers, witch can make it to be multi-layer PCB offering support force for electronic components assembly and installation. It owns excellent electronic product installation. In addition, the rigid section and the flex section are laminated together, so it has good stability, even under the harsh environment, won’t degrade the performance. With the feature of bending and folding like paper, Rigid Flex PCB can optimize the available design space. Application area Rigid-flex PCB produces are mainly applied in: aviation, aerospace, unmanned aerial vehicles(UAVS),medical devices, smart phones, cameras, digital cameras, tablets, wear electronic, Bluetooth movement headset, VR, robot, battery protection board and soon on. Smart Phone Smart Watch Hi-tech...

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Rigid-flex pcbs Technical Capabilities

Max Panel Size :10"*20.5"(250mm*520mm) Min Inner layer line width/space :3mil/3mil(0.075mm/0.075mm) Min lnner Layer Pad :3mil(0.75mm) Min Core Thickness :2mil(0.05mm) Inner Layer Copper Thickness :0.5-1 oz Finished Copper Thickness :⅓-4 oz Final Board Thickness :0.3-3.2mm Final Board Thickness Tolerance :±10% Layer Count :2--16 Inner layers Registration :±2mil(±50um) Min mechanical Drill Size :0.15mm Hole Position Accuracy :±2mil(±50um) Hole Diameter Tolerance :±2mil(±50um) Max PTH Aspect Ratio :10:01 Image To Image Tolerance :3mil/3mil(75um/75um) Min Out layer line width/space :3mil/3mil(88um/88um) Etching Tolerance :±10% Min Solder mask Dam :4mil(100um) Max Solder Mask Plug Hole Diameter :0.5mm Surface Treatment :HASL,Gold Finger,Plating Gold,OSP,ENIG,IMM,TIN,IMM AG Max Gold Thickness Of Gold Finger :≤30u"(≤0.75um) Gold Thickness Of Immersin Gold :1-3u"(0.025-0.075um) Impedance Control And Tolerance :±10% Peel Strength :≥61B/in(≥107g/mm) Warp And Twist :≤0.75% ***** We are among the top 100 PCB and Rigid-Flex PCB manufactures in China. With perfect management system and high standard manufacturing process. The product quality in our factory is trustworthy ***** ...

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FR4 Technical Capabilities

FR4 Technical Capabilities Max Panel Size: 25"*20.5"(622mm*520mm) Min Inner layer line width/space: 3mil/3mil(0.075mm/0.075mm) Min lnner Layer Pad : 4mil(0.1mm) Min Core Thickness : 4mil(0.1mm) Inner Layer Copper Thickness :0.5-8 oz Finished Copper Thickness :0.5-20 oz Final Board Thickness :0.4-3.2mm Final Board Thickness Tolerance :±10% Layer Count :2-26 L Inner layers Registration :±2mil(±50um) Min mechanical Drill Size :0.15mm Hole Position Accuracy :±2mil(±50um) Hole Diameter Tolerance :±2mil(±50um) Max PTH Aspect Ratio :10:01 Image To Image Tolerance :3mil/3mil(75um/75um) Min Out layer line width/space :3mil/3mil(88um/88um) Etching Tolerance :±10% Min Solder mask Dam :4mil(100um) Max Solder Mask Plug Hole Diameter :0.5mm Surface Treatment :HASL,Gold Finger,Plating Gold,OSP,ENIG,IMM,TIN,IMM AG Max Gold Thickness Of Gold Finger :≤30u"(≤0.75um) Gold Thickness Of Immersin Gold :AU 1-3u"(0.025-0.075um) Impedance Control And Tolerance :±10% Peel Strength :≥61B/in(≥107g/mm) Warp And Twist :≤0.75% ***** We are among the top 100 PCB and Rigid-Flex PCB manufactures in China. With perfect management system and high standard manufacturing process. The product quality in our factory is trustworthy ***** ...

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The future have many possibilities for RCY

To be the most worthy trusty PCB supplier in the world is the RCY Vision ,also the dream and target to every employee of RCY As starting the reform and opening-up policy, and the economy in Shenzhen is sharply rising ,RCY start from initial HAL working, grow up to a key Hi-Tech enterprise of China , Annual production capacity is 250 thousand square meters, could produce 2-26 layers PCB, Rigid-flex board,12OZ thick copper board, thermoelectricity separation board and such special PCB and so on, we are trying and motivating all the time and to achieve self-transcendence Looking to the future , PCB industry have a bright tomorrow, but a rugged road. On the one hand , we face the adjustment of industrial structure , the downward pressure of the world economy, At the same time new opportunities rise: Industrial 4 ..0 is in the infancy, the future , we will strengthen investment and R&D in the area: intelligent dressing equipment ,...

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Shenzhen Renchuangyi Electronics Co., Ltd
Tel: 0755-27314226
Address:
Building 4, JinFeng Industry Zone, Heping Village, Fuyong Town, Bao’an District, Shenzhen, Guangdong Province, PRC.:
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