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2021-10-12

PCB Production of HDI Blind Hole Board

With the development of electronic products to high density and high precision, the same requirements are put forward for circuit boards, which makes circuit boards gradually […]

2021-09-18

In-Depth Analysis of the Soldering Quality of QFN Packages (Part 1)

QFN (Quad Flat Noleads, Quad Flat Noleads) seems to have a more and more common trend in IC packaging in the electronic industry today. The advantage […]

2021-09-18

In-Depth Analysis of the Soldering Quality of QFN Packages (Part 2)

2. QFN solderability inspection and testing Just like the BGA solder inspection standards, the current solder inspection of QFN packages not only […]

2021-09-18

The Main Faults and the Parameters of the Chip Capacitors

1. The main manifestations of chip capacitor failure In the actual maintenance of SMD capacitors, the main failures of capacitors are as follows: Open circuit failure […]