How to avoid pcb design errors
When designing PCB, how to avoid errors: first, data input stage, second, post-layout inspection stage, third, post-wiring inspection stage
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SMT factory component assembly and welding
SMT process flow chart: 1. Material preparation and inspection, 2. Template preparation, 3. Solder paste printing, 4. SMC placement, 5. Reflow welding, 6. Cleaning and inspection
smt plant now has what kind of type?
smt plant basically has the following types at present: one, technology, two, processing, three, service, four, trade content
Why does PCBA circuit board need to spray three anti - paint?
Three anti-paint, also known as PCBA electronic circuit board protective oil, the use of three anti-paint PCBA circuit board with waterproof, moisture, dust "three", cold and heat shock resistance, aging resistance, radiation resistance, salt sp...
PCB board single panel, double panel, multi - layer board meaning
In the use of solder paste is to pay attention to the following requirements: 1. After the solder paste is purchased, write the number for each can of solder paste. 2, in the form of sealed storage in the constant temperature and humidity of the refrigera
SMT patch processing process to ensure the quality of the equipment
The installation and welding of surface assembly parts are mainly divided into two basic technology methods, which are solder paste - reflow welding process - patch glue - wave soldering process
What should we pay attention to in SMT patch processing to ensure quality
SMT patch processing solder paste need to pay attention to: 1, constant temperature: 2, delivery: 3, freezing :4, situation: 5, applied old solder paste :6, on the steel net paste amount:
PCB circuit board surface treatment process simply said
Several parts of the circuit board are mainly: 1. Bare copper plate: 2. Gold plate: 3. Spray tin circuit board: 4. OSP process board is also called organic welding film in SMT factory.
PCBA foundry _ circuit board components
Circuit board composition: 1, welding plate: 2, layer number: 3, hole: 4, components: 5, wiring: 6, silk screen: 7, welding resistance layer: 8, positioning hole: 9, filling: 10, electrical boundary:
PCBA circuit board three anti paint use precautions
Precautions for applying three anti - paint:1, can not let the PCB circuit board surface dripping, fluid paint, semi-humid phenomenon, 2, should ensure that the three anti paint uniform, bright, smooth, 3, can not let the surface of the paint layer of pin
SMT patch processing PCBA overhaul includes what aspects
SMT patch processing PCBA overhaul includes what aspects: ① Check the electronic devices, each spot welding electronic devices are not wrong version, leakage, reverse problem exists, ② spot welding welding is not smooth, there is no abnormality, ③ query d
SMT patch processing and welding skills are what
necessary to set up professional testing equipment in each process and strictly control the quality of the process
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