2021-09-27
PCB circuit board CTI value, grade, model and test comparison
The tracking resistance of PCB copper clad laminates is usually expressed by the Comparative Tracking Index (CTI). Among the many properties of copper clad laminates (copper clad laminates for short), tracking resistance, as an important safety and reliability index, has been increasingly valued by ...
2021-09-27
The shelf life and storage environment of the circuit board
Taking into account the differences in circuit board product technology and storage conditions, the printed circuit board should be used in time (recommended within 24 hours) after unpacking, and it is recommended to pre-dry before use, especially the PI substrate in the flexible circuit board If th...
2021-09-27
The meaning of impedance to PCB circuit board
In addition, from the perspective of the electronics industry as a whole, PCB circuit board factories are the most prone to problems in the tin plating process, which is the key link that affects the impedance.
2021-09-27
Teflon circuit board application field
Teflon circuit board, also known as "high frequency circuit board", refers to high-frequency devices produced on a specific high-frequency substrate copper clad laminate with reference to the common FR4 rigid printed board manufacturing process.
2021-09-27
TV circuit board proofing
Definition of TV set: TV set refers to a device that uses electronic technology to transmit active image pictures and audio signals based on the persistence of human eyes and visual psychology. It is called "TV receiver" and is also an important broadcast and video communication tool.
