Language
Get quotes quickly.
sales@ipcb.com
2023-02-14
Like the color view in the fr4 pcb industry, everyone agrees that the black fr4 pcb must be a high-end, high-performance, high-quality printed circuit board.
2023-02-13
The design of test points and test holes (electrical connection holes for the electrical performance test of fr4 pcb and fr4 pcb components) should be considered in the design of fr4 pcb.
2023-02-10
The so-called lead-free soldering iron welding means that the solder used for welding fr4 pcb is not allowed to contain Pb, while the content of Pb in the current commonly used solder is up to 40%.
2023-02-08
The size of a single fr4 pcb should be determined according to the overall structure of the whole machine.
2023-02-07
The opening of fr4 pcb BGA welding can be caused by several factors, including insufficient solder paste, poor solderability, poor coplanarity, mounting misalignment.
2023-02-06
What is cold welding?It refers to solder joints with incomplete reflow after SMT processing and welding, such as granular cold joint solder and irregular shaped solder joints, or incomplete fusion of solder powder
2023-02-03
DIP (Double In-line Package) is a kind of circuit assembly technology that places the front of through-hole components on the front of the FR-4 PCB.
2023-02-02
low preheating temperature, low tin pot temperature, high solder copper content, flux failure or density imbalance, improper PCB layout and PCB deformation.
2023-01-31
In the case of small welding spot, the three-step method can also be used to complete the PCBA welding, and step bc and step de in the five-step method can be combined into one.
2023-01-20
When selecting high frequency materials and high speed materials for PCB used in high frequency circuits, special consideration should be given to the DK value of PCB materials and their variation characteristics at different frequencies.
2023-01-14
Vibration test is an important part of PCBA test to assess the ability of products to withstand vibration environment (with different vibration levels).
2023-01-13
At present, wave soldering is usually composed of PCB board mounting system, flux coating system, preheating system, welding system, electrical and mechanical structure system.
2023-01-03
The wiring of PCB board is very precise, and many PCB manufacturers use dry film process to transfer circuit graphics.
2022-12-23
PCB board is an important basic assembly component of electronic equipment.
2022-12-19
Pre coat a layer of lead tin anti-corrosive layer on the copper foil to be retained on the PCB board, and then chemically etch the rest of the copper foil, which is called etching.
2022-12-16
In electronic equipment, printed circuit board is a key part. It carries other electronic parts and connects circuits to provide a stable working environment for circuits.
2022-12-13
The resin plug hole of PCB board is a widely used and favored process in recent years, especially for high-precision multilayer boards and products with large thickness.
2022-12-12
The main reason for the reserved process edge in PCB board production is that the SMT mounter track is used to clamp the circuit board and flow through the mounter.
This is an era of rapid change. In addition to creativity and design ability, today's PCB design also face many limitations.
2022-12-09
Pcb multilayer board is a special kind of printed circuit board, and its place of existence is generally special
