Tag Archives: 4MCPCB experts

4MCPCB experts introducing Blutter Coat of basic copper

Why we discuss Blutter Coat of basic copper This is very little basic copper definition. That’s the reason why most new PCB designers don’t know Blutter Coat. Frankly, Emma also don’t this professional PCB glossary. The definition of Blutter Coat of basic copper An external layer of resin over the reinforcing structure of base material. […]

4MCPCB experts recommend base solderabiltiy introduction

The reason why discuss base solderability This paper Emma wants to discuss base solderability. This is a very simple PCB glossary, but also have some PCB guys don’t know. In fact, this is the ignore point during flexible PCB board purchase process. So 4MCPCB want to learn more PCB purchasers know and clear base solderability. […]

Do you know Bed-of-Nail?

4MCPCB experts introduce Bed-of-Nails The simple says Bed-of-Nails is a method of PCB testing. Different with probe testing method, this method tool involving a fixture containing a field of spring-loaded pins. Bed-of-Nails have a unique feature below. And the spring-loaded pins are co-ordinated with strategic points or nodes on the board. The strategic points or […]