01-08 | Industry
PCBA is the abbreviation of Printed Circuit Board + Assembly in English. Through the entire production process of PCB circuit board processing, SMT chip processing, DIP plug-in processing, assembly, testing, packaging, etc., that is to say,
01-08 | Industry
DIP post welding workshop PCBA board inspection project standard; 01, DIP part welding spot welding; 02, Cold welding of DIP parts: Use a toothpick to lightly touch the pin of the part, if it can be moved, it is cold welding
01-08 | Industry
SMT patch workshop PCBA board inspection project standards: 01, SMT parts welding spot welding; 02, Cold welding of the solder joints of SMT parts: Use a toothpick to lightly touch the pin of the part, if it can be moved, it is cold
01-08 | Industry
High density includes high-density layout and high-density component installation. The component mounting density on the printed circuit board is higher than 50/cm2, and the solder joint density is higher than 100/cm2.
01-08 | Industry
1. PCB size: The size of the PCB is limited by the capabilities of the electronic processing production line equipment. Therefore, the appropriate PCB size should be considered when designing the product system scheme.
01-05 | Industry
1. Warehouse management personnel should wear anti-static gloves during the process of distributing materials and IQC testing, the meter should be grounded, and the work surface should be covered with anti-static rubber pads.
01-05 | Industry
Mainly observe some conditions that cannot be clearly distinguished visually, such as the contamination of the PCB surface, the appearance of the solder joints, the damage and contamination of the surface of the parts,
01-05 | Industry
PCBA Prototype is an important part that must be verified before PCBA mass production. The purpose of prototype is to verify whether the product design is reasonable, to detect problems at the minimum cost, and to save costs for subsequent mass
01-05 | Industry
There are many PCB assembly factories on the market. You can find thousands of messages about them on Google, but how to choose a reliable PCB assembly factory is not easy.
01-05 | Industry
The misalignment of a component with its target is called "component shift". It occurs during the reflow phase, where components may float on the molten solder, causing realignment.
01-05 | Industry
(1) Good stability and reliability of solder paste. The content of harmful impurities is strictly controlled for the solder; low residue and non-corrosive for the solder paste and flux; the bonding strength is not high or low for the bonding agent,
01-05 | Industry
How to quickly confirm the quality of the PCB board; When we get a PCB board and there are no other test tools on hand, how to quickly confirm the quality of a PCB board? We can refer to the following 6 points:
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