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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]QFN packaging and process features2019/11/26/ 17:57
- QFN packaging and process features QFN is the most widely used BTC. At first it was only used for products with low reliability requirements but price sensitivity. Due to its excellent high-frequency performance, it is increasingly used in...
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- [Company News]PCB manufacturing solder paste storage and application2019/11/25/ 09:10
- Solder paste is the most important process material, and It’s a very important process operation for solder paste’s storage, thawing, stirring and addition .
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- [Company News]Cleaning agent in PCB manufacturing2019/11/21/ 16:26
- The cleaning agent is mainly used for post-weld cleaning of assembled boards, to remove flux residues after reflow, wave soldering and manual soldering, as well as contaminants caused during the assembly process.
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- [Company News]In PCB manufacturing, wave soldering machines development direction and requirements2019/11/19/ 13:54
- It is widely used in PCB manufacturing wave soldering and mixing process, especially in electronic products.
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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 manufacturer's advice on controlling tin whisker growth2019/11/06/ 16:05
- At present, the most common method for inhibiting the growth of tin whiskers by PCB manufacturers is to plate the Sn layer with Ni and heat it at 150 ° C for 1~2 h for annealing to maintain the proper size of the tin grains to reduce tin fluidity in the grain boundaries of the material.
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- [Company News]Prototype pcb manufacturing good joints mechanical properties2019/11/06/ 15:55
- The four most important characteristics of the prototype pcb manufacturing joint are: shear strength, creep, isothermal fatigue and thermomechanical fatigue. By combining the meanings of these four characteristics, a complete performance information of the solder joint can be obtained.
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- [Company News]PCB manufacturing solder paste printing common defects and solutions2019/11/05/ 16:01
- By controlling the various links of the pcb manufacturing printing process, various defects often appear in printing can be prevented. The following is a brief description of several common defects and solutions for solder paste printing.
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- [Company News]PCB fabrication reflow process advantages2019/11/05/ 15:37
- Choosing the right pcb fabrication welding process has a large impact on the quality of the solder joints after assembly. Which process is selected is mainly based on the assembly density of PCB printed circuit boards and SMT production line equipment conditions.
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- [Company News]Pcb supplier reflow solder ball generation cause and solution2019/11/04/ 15:45
- In pcb supplier circuit board manufacturing, the generation of solder balls is closely linked to the soldering process of solder joints. If the gas in the solder joint does not escape in time, it may cause voiding.
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- [Company News]Prototype pcb manufacturing BGA package category and process characteristics2019/10/25/ 16:06
- The BGA package is available in PBGA, TBGA, CBGA, FBGA and other categories. PBGA and CBGA will undergo "dynamic deformation" during welding due to the different layered structure of the package and the coefficient of thermal expansion (CTE) of each layer of material. That is, Deformation will occur with increasing temperature during the re-flow soldering of prototype pcb manufacturing due to warping.
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- [Company News]PCB manufacturing lead-free flux main problems and countermeasures2019/10/21/ 15:58
- Lead-free solder pastes and wave soldered water soluble fluxes are also required for certain pcb manufacturing products.
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- [Company News]PCB supplier solder paste selection principle2019/10/19/ 16:16
- The pcb supplier should generally select solder paste in accordance with the specific production environment, with reference to the activity, viscosity, powder shape, particle size and melting point of the solder paste.
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- [Company News]Pcb manufacturer how to control lead-free wave soldering process2019/09/12/ 10:46
- The pcb manufacturer quality control method of wave soldering is basically the same as reflow soldering in principle, because their soldering mechanism and RC28F128K3C solder joint quality requirements are the same.
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- [Company News]PCB prototype Circuit Boards Poor Plating Causes Analysis2019/09/11/ 10:12
- Due to the adsorption of hydrogen on the surface of the plated part and not released that form pinhole on pcb prototype pcb. The plating solution cannot be lubricated on the surface of the plating devices, so that the plating layer cannot be electrolyzed. As the thickness of the coating around the hydrogen evolution point increases, the hydrogen evolution point forms a pinhole. It features as a shiny round hole and sometimes with an upward small tail. When the wetting agent is absent in the plating solution and the current density is high, pinholes are easily formed on pcb prototype circuit board.
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- [Company News]PCB assembly circuit board corrosion solution2019/09/09/ 14:28
- Pcb assembly boards are very common at present, and almost all electronic products need to use PCB boards!
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- [Company News]PCB smt layout tips and considerations2019/09/04/ 14:17
- For hardware electronics designers, the PCB smt design is becoming more and more complex. Advanced package devices with increasingly dense pins are used, and the network density per unit area continues to increase, bring more pressure on the layout. At the same time, more engineers cannot meet the 100% coverage rate of the autorouter, and hope to be able to conduct electrical rules to constrain the wiring to meet the signal integrity requirements.
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- [Company News]During pcb manufacturing, PCB board debugging method2019/09/02/ 11:41
- For the new PCB board that we just got back during pcb manufacturing, we must first observe whether there are any problems on the board, such as whether there are obvious cracks, short circuit or open circuit. If necessary, check if the resistance between the power supply and the ground is large enough.
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