pcb Wiring Principles Share tips for PCB power wiring
It can be said that pcb routing is the most important and time-consuming process in the entire PCB design. Here we share some pcb routing principles.
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New PCB Designer's Guide
Isolation - Ensure that each circuit of power is kept power and control separate. If you must connect them together in the PCB, make sure it is as close to the end of the power path as possible.
Notice of layout in PCB design
It is essential to use high dielectric strength materials that can resist higher voltages before breakdown.
Precision control skills and methods of PCB board milling
The milling technology of NC circuit board milling machine includes the selection of cutting direction, compensation method, positioning method, frame structure, the next cutter point, which is an important aspect to ensure the milling precision.
Water based cleaning process
The traditional way to clean printed circuit boards is to use organic solvents, but CFC-113 has been banned because of its damage to the atmospheric ozone layer.
Selective welding of printed circuit board
In PCB proofing, temperature sensitive elements can limit the application of reflow soldering, whether in cartridge or SMD. Therefore, selective welding can be used after reflow welding in most applications.
What are the PCB routing rules and techniques?
In PCB design, wiring is an important step to complete the product design, it can be said that the previous preparation work is done for it. PCB routing includes single - sided routing, double - sided routing and multi - layer routing.
The importance of the first part detection in PCBA processing
The purpose of thawing back temperature: can make the flux and tin powder evenly distributed, so as to give full play to the various characteristics of tin paste; The viscosity and activity of the solder paste after refrigeration are different from that o
SMT patch processing includes equipment and manufacturing processes
SMT SMT processing includes the following equipment: 1, board machine: 2, solder paste printing machine, 3, SPI(3D solder paste detector) : 4, SMT machine, 5, the first piece of detector: 6, reflow welding, 7, plate machine: 8, AOI detection, 9, X-Ray
PCB board welding requirements in PCBA processing
PCBA processing and welding process requirements for PCB board: 1. Heat resistance, 2. PCB shape, 3. PCB size, 5. PCB process edge, 6. PCB reference identification point, 7. Plate design, 8, can withstand solvent washing
How to deal with SMT patch bulk material?
The advantages of PCBA processing clean free technology: 1, a large amount of saving cleaning labor, equipment, site, material (water, solvent) and energy consumption; 2. Save working hours and improve production efficiency; 3, advanced production technol
Specification for PCB storage and inspection in SMT factory
PCB inspection contents: ① appearance inspection: ② size measurement: ③ furnace temperature test: ④ pad welding force test: ⑤ Check the PCB board factory report
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