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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]In PCB manufacturing，flux quality and selection2019/12/18/ 16:49
- The flux is the key material in solder paste for purifying the soldering surface of PCB manufacturing, improving the wettability, preventing solder oxidation, and ensuring the quality and excellent process of the solder paste. During the heating process, the flux affects the PCB pads, component terminals, and the oxide layer on the surface of the lead which function as cleaning. At the same time, it activates the metal surface.
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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]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]Printed circuit board vias setting2019/12/12/ 15:10
- There are 4 types of holes for printed circuit boards: mechanical mounting holes, component pin insertion holes, isolation holes and via holes. This section mainly introduces the vias and the settings of vias when reflow and wave soldering processes are used.
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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]BGA rework process2019/12/07/ 10:21
- Since the solder joint of the BGA is at the bottom of the device, it is invisible, so it is more difficult to rework compared to QFP and other peripheral pins. It is not a big problem when disassembling the BGA. However, when re-soldering the BGA, the rework system is required to be equipped with a spectroscopic vision system (also known as the bottom reflection optical system) to ensure accurate centering when mounting the BGA. The equipment suitable for rework BGA includes hot air rework station, infrared heating rework station, hot air Infrared rework system, etc.
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- [Company News]Im-Sn plating2019/11/27/ 14:56
- Im-Sn is the abbreviation of Immersion Tin, commonly known as immersion tin and melting tin.
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- [Company News]Surface mount printed circuit SMT requirements2019/11/19/ 13:39
- The Surface Mount Prined Circuit Board (SMB) is very different from the traditional printed circuit board. The SMT reflow process requires SMB to pass through the 230°C (lead-free up to 260°C) high temperature furnace.
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- [Company News]SMC/SMID components (SsD) transportation, storage and use requirements2019/11/18/ 11:38
- Unsuitable storage conditions can cause component quality to deteriorate, resulting in poor solderability. The storage conditions of SMD components must be standardized.
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- [Company News]Surface assembly process design principles2019/11/16/ 11:27
- Typical surface assembly methods include full surface assembly, single-sided mixing, and double-sided mixing. Full surface assembly means that both sides of the PCB are mounted components (SMC/SMD); single-sided mixing means that both the SMC/SMD and the through-hole components(THC) are on the PCB, and the THC is in the main Face, SMC/SMD may be on the main side or on the auxiliary side; double-sided mixing means that both sides have SMC/SMD, THC is on the main side, and there may be THC on both sides.
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- [Company News]Solder paste printing principle2019/11/15/ 11:06
- Solder paste printing is the first step in the SMT assembly process, and its function is to distribute solder paste. Solder paste printing process is the core process of SMT, which determines the process quality of SMT.
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- [Company News]PCB manufacturing reliability definition2019/11/12/ 11:05
- Although there is a consensus that reliability is an important attribute of PCB manufacturing products, the definition of reliability and the more popular ones are as follows:
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- [Company News]Pcb manufacturing affecting solder paste printing factors2019/11/08/ 11:35
- The factors that pcb manufacturing affects solder paste printing include three aspects, namely solder paste performance, stencil and printing process.
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- [Company News]Printed circuit board reliability affecting factor2019/11/07/ 15:34
- Printed circuit board reliability depends on three aspects: 1. Design - poor design buried inherent reliability issues; 2. Manufacturing - solder joint integrity and microstructure (influencing factors during manufacturing); 3. Use - application environmental stress (deterioration factor in use)
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