Printed Circuit Board Surface Finishes

5 Types of PCB Surface Finishes: Is One of Them Right for Your Project? · Finish Type #1 – Hot Air Solder Leveling (HASL) · Finish Type #2 – Lead-Free HASL.

PCB Surface Finishes · PCB Surface Finish Types · Immersion Gold (ENIG) · Immersion Silver · Immersion Tin · HASL · Pb-Free HASL · OSP · Hard Gold.

PCB surface finish depends on the end application, the assembly process & the design of the PCB board itself. Learn about PCB surface finish types.

The surface finish forms a critical interface between the component and the PCB. The finish has two essential functions, to protect the exposed copper circuitry ...

PCB surface finish is a coating between a component and a bare board PCB. It is applied for two basic reasons: to ensure solderability, and to protect exposed ...

A PCB surface finish protects the circuit from any damage due to harsh operating and storage environments. Selecting the right coating plays an important ...

2021年3月3日 — A PCB surface finish is an intermetallic joint between the bare copper of the solderable area of the printed circuit board and the components.

2013年4月30日 — 所以，電路板表面處理（PCB Surface Finish）的主要目的在保護電路板表面的銅箔層不至於與空其直接接觸而氧化，並與焊錫直接或間接形成有效的焊接 ...