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- [Posts]AOI inspection process in PCB SMT assembly2022/01/07/ 17:19
- In the PCB SMT assembly process, AOI inspection is essential to the process. AOI is actually an automatic optical detector, which has the functions of automatic inspection, automatic alarm, and abnormal display, and can basically realize automation.
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- [Posts]12 kinds of PCB surface treatment processes2021/12/27/ 14:20
- There are many PCB surface treatment processes, none of which is perfect, each has its own characteristics. The selection should be made according to the process characteristics of PCBA.
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- [Posts]What are the components of solder paste for PCB smt assembly?2021/10/28/ 16:51
- Solder paste is used for soldering. One is the shielding gas to avoid air oxidation. In addition, it enhances capillary action, improves lubricity, and avoids empty soldering. Solder paste: white crystalline powder. The content is 99.0%, the acid value is 0.5 mgKOH/g, mp 112℃, soluble in alcohol, iso-guaranteed.
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- [Posts]How to choose which surface treatment for pcb2021/02/24/ 17:05
- In the design phase of a printed circuit board, one of the decisions that needs to be made is which surface treatment to choose. Unfortunately, there is no "best" PCB surface polish, and all surface treatments have advantages and disadvantages. The choice of surface finish is a matter of making a decision based on a compromise that best suits the intended use.
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- [Posts]What are the impedances involved in the PCB circuit board2020/12/11/ 17:50
- The design of PCB single-sided circuit boards requires exposure to a lot of professional data and some physical knowledge, which can be said to be a comprehensive technical project. To make a high-quality circuit board, you need not only a solid foundation, but also sensitivity to impedance. The impedance involved in the PCB board mainly includes the following aspects:
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- [Posts]Factors to consider in PCB stackup design2020/11/04/ 15:59
- The number of PCB layers is directly related to the final hardware cost. The more layers, the higher the hardware cost. Hardware PCBs represented by consumer products generally have the highest limit on the number of layers.
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- [Company News]PCB factories polarization situation2020/04/11/ 10:08
- The PCB industry has not been spared. At present, the polarization of PCB factories is remarkable. On the one hand, a large number of PCB factories closed down, and on the other hand, PCB factories that were still profitable in the epidemic.
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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]Flux behavior in wave soldering2019/11/13/ 16:19
- During wave soldering, the flux will partially evaporate during the preheating phase, cleaning the surface to be soldered, leaving a rosin film, functions as partially separating the air and preventing oxidation.
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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 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]PCB Electronics2019/10/29/ 16:59
- PCB is characterized by high density, high reliability, and ease of assembly and maintenance.
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- [Company News]Prototype pcb manufacturing solder joint formation process and influencing factors2019/10/24/ 16:08
- The prototype pcb manufacturing electronic product is soldered by heating and flux applications to activate the flux, remove the oxide film on the surface to be soldered, liquefy the solder and complete the wetting and diffusion process to form solder joints. Specifically, the formation of solder joints involves two processes:
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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 placement machine speed2019/10/19/ 00:19
- The placement speed determines the production capacity of the placement machine and the pcb manufacturer production line, which is an important limiting factor for the production capacity of the entire line. The placement speed is generally described by the following parameters.
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- [Company News]Pcb supplier component picking error reason and solution2019/10/18/ 21:11
- Therefore, the pcb supplier should correctly input the "component start position, pitch, component number" of "component data".
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- [Company News]How does pcb board manufacturer protect against static electricity?2019/10/18/ 16:40
- PCB board manufacturer regularly check tools with anti-static requirements to keep them in a qualified state; test environmental parameters such as humidity, temperature, concentration, static point position, etc.; test the electrostatic sensitivity of the product and establish a quality analysis and feedback system.
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- [Company News]Prototype pcb manufacturing defect analysis and solutions2019/10/17/ 21:29
- Prototype pcb manufacturing defect analysis and solutions 1. PCB deformation is greatly, bending Causes analysis of defects A. High preheating temperature B. Long time pass tin C. The temperature of the tin pot is high D. The cooling rate ...
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- [Company News]Cheap pcb manufacturing wave soldering analysis2019/10/17/ 15:36
- The performances of the solder joint qualification criteria ares as follow
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- [Company News]SMT manufacturing 10 self-test steps for ESD protection2019/10/16/ 02:47
- Check your own station to ensure that there are no static objects (such as plastic bags) or static electricity generating tools on the SMT manufacturing workbench......
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