Detailed the copper sinking process of PCB board production and processing
The post-process can only be screened probabilistic through destructive experiments, and it is impossible to effectively analyze and monitor a single PCB board.
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What is the pcb circuit board process? Ask the technical engineer what to say
This battery, this battery, that battery, unfortunately, has not yet been mass-produced on the road, and there are several experimental bus routes in use.
Circuit board factory teach you how to distinguish PCB circuit board is good or bad?
many times if the site sorting, rectification and other work to do, then some of the existing quality problems will improve a lot.
Five methods of PCB board removal integrated circuit
In the process of PCB board copying, since the circuit board needs to be split, the integrated circuit and other components are removed to make BOM list, and the bare PCB board is scanned and copied.
Production experience of halogen-free PCB printed circuit boards
Halogen-free PCB printed circuit boards have low water absorption and meet the requirements of environmental protection, in other performance can also meet the quality requirements of PCB board.
pcb circuit board copper plating surface foaming what causes
Based on many years of actual production experience and service experience, the author now makes a brief analysis of the causes of bubbling on the copper plating surface of the circuit board.
The presence of interference in PCB board
In the actual study, it is found that PCB design mainly has four aspects of interference: power supply noise, transmission line interference, coupling and electromagnetic interference (EMI).
Brief description of the key process of manufacture of double sided printed board
Double-sided PCB is a printed board with conductive graphics on both sides. It is usually made of epoxy glass cloth covered with copper foil board. It is mainly used in equipment with high performance requirements.
Cause analysis of solder paste viscosity reduction on circuit board
The so-called solder paste low viscosity phenomenon refers to the phenomenon that the parts have no way to be glued to the solder paste during or after the punching.
The knack of making circuit boards quickly
Want to really fast production of high precision, good performance, and can save the cost of PCB circuit board, this is undoubtedly the biggest challenge for circuit design engineers.
Detail electronic processing plant is how to make a circuit board?
At present, the PCBA processing and assembly of circuit boards are basically welded on the printed circuit board by soldering the electronic parts. This welding process can be achieved by SMT or wave soldering.
How to prevent board copying through PCB design?
Common ways to prevent PCB copying board: 1, grinding, 2, sealing glue, 3, use special encryption chip, 4, the use of uncracking chip, 5, use MASK IC, 6, the use of nude, 7, in the current of the signal line series more than 60 ohms of resistance, 8, use
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