2019-11-15
→PCBA finished plate preservation cycle
PCBA is a printed circuit board with various components welded on the surface. More people pay attention to the reliability of its long time and high frequency operation and need to know its storage l
2019-11-15
→PCBA board surface tin bead size acceptable standard
Acceptable standard for tin beads: 1. The diameter of tin beads shall not exceed 0.13mm 2. The number of tin beads with a diameter of 0.05mm to 0.13mm within the range of 600mm2 shall not exceed 5 (s
2019-11-15
→Tianjin Zhengyi technology co., LTD
Tianjin Zhengyi technology co., LTD is located in the port city of tianjin, we are committed to manufacturing and electronic products matching parts, including PCB design, PCB, components act as purch
2019-11-15
→Tianjin Zhengyi technology co., LTD
Tianjin Zhengyi technology co., LTD is located in the port city of tianjin, we are committed to manufacturing and electronic products matching parts, including PCB design, PCB, components act as purch