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- [Company News]What PCBA processing plant need to do after resuming work2020/02/11/ 15:22
- So how can PCBA processing plants guarantee the delivery and quality of SMT processing under the influence of the current epidemic? So what measures will be taken after the PCBA processing factory resumes work? Let ’s analyze it with you:
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- [Company News]PCB assembly technology core and key points2020/01/09/ 10:16
- PCB assembly factory is aim to produce qualified solder joints, which depends on the appropriate pad design , solder paste use volume , and the appropriate reflow soldering temperature curve.
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- [Company News]How to ensure the quality of automotive pcb board ?2020/01/06/ 11:12
- How to ensure high-reliable automotive PCB to meet product requirementsis the goal pursued by many PCB manufacturers. During the production control, some problems that are prone to insufficient performance in reliability testing which need to be analyzed to give the industry as a reference.
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- [Company News]Components heat resistance and moisture sensitive problems during lead-free soldering2020/01/04/ 09:45
- First, components heat resistance Ceramic resistors and special capacitors are very sensitive to the slope of the temperature curve (rate of temperature change), because the coefficient of thermal expansion (CTE) of the ceramic body and the PCB is quite different (3 ~ 5x10 ℃ for inner porcelain, and about 17x10 ℃ for PCB) , When the solder joint is cooled, it is easy to cause component body and solder joint crack. Component cracking is directly proportional to the difference in CTE, temperature, and component size.
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- [Company News]PCB Manufacturing Industry features introduction2020/01/02/ 14:01
- With the continuous development of PCB terminal requirements, PCB manufacturing have also evolved from single / double panels to multi-layer boards and HDI boards
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- [Company News]Diy pcb circuit board the five most commonly used methods comparison2019/12/24/ 11:36
- Drawing method is the method with the least tools and the simplest diy pcb circuit board manufacturing process. But the accuracy is not very high.
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- [Company News]PCB Manufacturing Introduction2019/12/23/ 11:47
- Many people have heard of the acronym "PCB" in English. But what does it mean? In fact, it is very simple. It is a printed circuit board (PCB), which is a provider of electrical connections for electronic pcb manufacturing components
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- [Company News]Various PCB circuit board substrate material introduction2019/12/20/ 13:43
- PCB circuit board various PCB substrate materials introduction, divided into: 94HB, fire board (94V0, FR-1, FR-2), half glass fiber (22F, CEM-1, CEM-3), full glass fiber (FR-4 ).
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- [Company News]How to choose lead-free PCB material and pad coating2019/12/19/ 10:44
- The choice of lead-free PCB manufacturing materials must consider the compatibility between high temperature and PCB materials.High temperatures will cause thermal deformation of the PCB and damage the components in severe cases: high temperatures will also cause the polymer to age and deteriorate, making the PCB mechanical strength and electrical performance is degraded.
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- [Company News]SMT process requirements for PCB2019/12/17/ 11:57
- In the actual production of SMT, some customers' PCBs are designed with many devices close to the board edge, and our equipment clamping edge is made of steel, and its width is 5mm. It will cause the device to damage the board edge devices, so it is not recommended that customers have devices on the board edges. If there are devices, add process edges to protect the product.
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- [Company News]PCB manufacturing EMC common sense2019/12/16/ 15:04
- The ROHS logo of PCB manufacturing is familiar to everyone. As an electronic component, PCB boards also need ROHS certification. The main key is whether it use lead-free tin. PCB electronic products must pass CE, CCC certification, the key to the PCB is EMC.
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- [Company News]How do PCB Manufacturers Strengthen Material Management2019/12/14/ 09:55
- How do PCB Manufacturers Strengthen Material Management, you will get answer from this article, and your good suggestion is welcomed
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- [Company News]Placement machine safety technical operation regulations2019/12/13/ 14:28
- 1. Non-operators are not allowed to use placement machines. 2.Operators should be familiar with the content of the instruction manual, and strictly operate and maintain the equipment according to its regulations.
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- [Company News]Mounting machine failure analysis and troubleshooting2019/12/13/ 14:15
- Whether the placement machine operate normal or not directly affects the placement quality and PCB manufacturing output. In order to run normally of machine, it is necessary to fully understand the structure and characteristics of the machine, to grasp the manifestations of the machine prone to various failures, the causes of failures, and the troubleshooting methods. Only by timely discovering the problem, finding out the cause, correcting and solving the problem in a timely manner, can the machine exert its proper placement efficiency.
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- [Company News]PCB manufacturers requirements for flux2019/12/12/ 14:42
- In the welding process, the substances that can purify welding metal and the welding surface and help welding are called flux. PCB manufacturer physical and chemical properties requirements of flux
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- [Company News]PQFN printing, mounting and rework process2019/12/11/ 11:58
- The assembly process of PQFN (Plastic Quad Flat No-lead) is similar to BGA. CSP, because there is a large thermal pad on the bottom of the device, and the bottom electrode does not have the buffer function of the solder ball, so the coplanarity requirements are stricter. So it’s more difficult to assemble it than CSP
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- [Company News]FPC application and development2019/12/11/ 11:47
- FPC (Flexible Printed Circuit) also known as soft printed circuit board, flex pcb, referred to as flexible pcb. FPC is made of polyimide or polyester film as a substrate with highly reliable flexible printed circuit board.
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- [Company News]Through Hole Reflow Process (PIHR) introduction2019/12/10/ 14:19
- Through-hole component reflow soldering process (Pin-In-Hole Reflow, PIHR) is to insert pins into the insertion hole filled with solder paste and use the reflow soldering process method to achieve through-hole components and surfaces mount components (SMC / SMD) are reflowed at the same time. Compared with traditional crafts, it has great advantages in economy and advancedness.
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- [Company News]PCB manufacturing reflow furnace equipment maintenance2019/12/10/ 14:11
- 1.Routine maintenance measures for reflow furnaces ① Keep the equipment clean and clean it once a week. ② Clean the flux recovery system regularly (lead-free residue is more). ③ Regularly check the operation of equipment chains, racks, motors, fans, etc.
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- [Company News]In PCB manufacturing dispensing common defects and solutions2019/12/09/ 15:10
- Some drip coating defects often occur in PCB manufacturing, such as wire drawing / tailing, discontinuities in glue dot size, no glue dots, and satellite dots.
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