PCB design and manufacturing guide
Surface mount technology is very convenient in the manufacture of many PCBS. Reliable and fast professional tools handle installation to ensure that there is no room for human error while speeding up the process.
Professional PCB manufacturing and assembly
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How does PCB design handle signals across dividers?
Common treatment methods are added sewing capacitor and bridge :1, sewing capacitor, 2, bridge, 3, multi-layer wiring, 4, lead bending less, the better, 5, the shorter the better, 6, lead layer alternating less, the better, 7, pay attention to parallel cr
From the welding point of view, what problems should be paid attention to in PCB design?
There are the following factors affecting PCB welding quality: PCB diagram, circuit board quality, device quality, device pin oxidation degree, solder paste quality, solder paste printing quality, placement machine programming accuracy, placement machine
Should PCB design remove dead copper?
PCB design service process: 1. The customer provides schematic diagram to consult PCB design; 2. 2. Evaluate quotation according to schematic diagram and customer design requirements;3. The customer confirms the quotation, signs the contract and pays the
In PCBA processing, which situations need to use post-welding processing?
The reasons for the need for post-welding processing are as follows: 1, the components are not resistant to high temperature, 2, the components are too high, 3, there are a small number of plug-ins in the side of the wave crest, 4, the components plug-in
How does smt plant control PCBA quality?
Aluminum substrate and glass fiber plate difference and applicationFirst, glass fiber board (FR4, single-sided, double-sided, multi-layer PCB circuit board, impedance board, blind buried hole board), suitable for computer, mobile phone and other electroni
Defects in wave soldering of PCB pad
Common PCB welding pad over wave soldering defects have the following points: (1) board surface dirty. (2) PCB deformation. (3) drop (drop) the piece. (4) Other recessive defects.
Automatic pcba welding process
In the dispensing process, the technical parameters of the patch glue and the dispensing machine can be changed as follows: (1) the rheology of the patch glue. (2) The initial adhesive strength of the patch adhesive. (3) glue point contour. (4) glue point
Wiring technology for PCB High speed signal circuit design specification Skill Sharing
A perfect PCB board not only needs to do the component selection and setting is reasonable, but also needs to have good signal conduction performance.
The 10 advantages of soft PCB are revealed
10 advantages of soft PCB: flexibility, reduce volume, reduce weight, consistency of assembly, increased reliability, electrical parameter design controllability, the end can be the whole solder, material use option, low cost, continuity of processing.
Multilayer soft PCB classification knowledge detailed
The simplest multilayer soft PCB is a three-layer soft PCB formed by two layers of copper shielding on both sides of a single-sided PCB. The most commonly used multilayer soft PCB structure is the four-layer structure.
What items should PCBA examine? And what are the inspection criteria?
Some measures can be taken to clean the tail of PCBA production and processing to improve work efficiency: 1. About 40pcs of PCB board shall be checked and signed by the quality engineer before the product comes off the line. 2. The operator or inform the
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