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PCB Via Design Specification

2021-01-13

Via is one of the vital components of multilayer PCB, and the cost of drilling usually accounts for 30% to 40% of whole PCB manufacturing cost. From the perspective of PCB design, a via is mainly composed of two parts, one is the drill hole in the middle,

The Purpose Of AOI Equipment In SMT Assembly

2021-01-13

Automated Optical Inspection( AOI ) is a method that uses optics to capture PCB images to see whether components are missing and in the correct position or not to identify defects and ensure the quality of the board manufacturing process. That’s to say, A

Which PCB Reverse Company Is Better In Shenzhen?

2021-01-08

Grande is a professional circuit board copying company with a PCB Reverse team with more than 10 years of practical experience in circuit board copying. It can provide circuit board conversion, Schematic reverse, IC model identification, IC decryption, an

What Knowledge Should A Good PCB Design Engineer Master?

2021-01-08

As we all know, a good PCB design engineer should master a wide range of knowledge systems, including electrical theory, component performance, digital and analog circuits, PCBA processing technology and DFM manufacturability theory, welding practice oper

The Influence of Software Automation On PCBA Manufacturing

2021-01-06

With hundreds of industrial IoT devices collecting and sharing data together, factories have become more complex. Combined with software automation, PCBA manufacturers are also using IoT-based networks to optimize their operations, find new efficiencies a

How To Make A Good Heat Dissipation Design In PCB Design?

2021-01-05

As we all know, MID and VR devices are one of electronic devices. Except for useful work, most of the electrical energy consumed during work is converted into heat and emitted. The heat generated by the electronic equipment causes the internal temperature

12 Points Need To Know About PCB Design

2020-12-31

The spacing between SMD components is an issue that engineers must pay attention to when designing PCB. Because if the pitch is too small, then it will be quite difficult to print solder paste and avoid solder joints. The recommended distance is a

How To Design A Good Shielding Cover For PCB Board?

2020-12-30

The shielding cover actually is an alloy metal cover, which is a vital component to reduce display radiation. It can effectively reduce the mutual interference between modules when used in MID or VR products. As shown in Figure 1, it is common in the main

PCB Design Requirements for SMT Assembly

2020-12-29

Different processes, such as reflow soldering and wave soldering, have different component layouts. When double-sided reflow soldering, there are different requirements for the layout of the A side and the B side; Selective wave soldering and traditional

How To Choose Coating Materials For PCBA Boards?

2020-12-28

Regarding the similarities and differences of the coating materials for land, sea and air equipment, plenty of literature can be searched online. In short, I believe that moisture resistance is the most basic performance requirement of various three-proof

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