2020-05-29 1643
According to the materials used, printed circuit boards can be divided into rigid printed boards and flexible printed boards.Rigid circuit boards include phenolic paper laminates, epoxy paper laminate
2020-05-16 1856
1、 Open the PCB design diagram on the computer, light up the short circuited network, and see where it is close and connected together. Pay special attention to short circuits inside the IC.2、 If it i
2020-04-24 1378
1. The effect of decreasing temperature on the stress of the boardTemperature is already the primary source of stress on the board. Simply lowering the temperature of the reflow oven or slowing down t
2020-04-09 1845
There are mainly single-layer and double-layer circuit boards, as well as multi-layer circuit boards. The most commonly used are single-layer and double-layer circuit boards, while those with more tha
2020-03-25 1281
Question 1: What is PCB component packaging and what are the differences between it and the components?Answer: (1) Component packaging refers to the appearance and solder joint position indicated when
2020-03-20 1431
With the rapid development of the mobile phone, electronics, and communication industries, PCB circuit boards have also promoted the continuous increase and rapid development of the PCB circuit board
2020-03-02 1696
1. The effect of temperature drop on PCB board stressTemperature is already the primary source of stress on the board, so as long as the temperature of the reflow oven is lowered or the rate of heatin
2020-02-24 1333
The copper foil substrate is first cut into sizes suitable for processing and production. Before laminating the substrate, it is usually necessary to roughen the copper foil on the surface of the boar
2020-02-21 1359
Ground wire planningUnreasonable grounding planning can cause interference to printed circuit boards, fail to meet planning targets, and even render them inoperable. The ground wire is the reference p
2020-02-17 1405
Key points of soldering operation for electronic circuit boards1) Manual welding① Before welding, the insulation material should be checked in advance, and there should be no signs of scalding, burnin