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PCB Finishes – Lead-Free HASL

PCB Finishes – Lead-Free HASL

LF Hot Air Solder Leveling or LF-HASL is identical to the standard HASL process. However, it does have an obvious difference, i.e., it does no use Tin and Lead Solder. Instead, you will use a Tin and Copper, Tin and Nickel, or Tin, Copper, and Nickel germanium. ...
PCB Finishes- Immersion Tin

PCB Finishes- Immersion Tin

PCB surface finishes is a dynamic, demanding, and ever-evolving domain. With all the immersion-based coatings available in the market, printed circuit board manufacturers have produced consistent quality circuit boards.  Immersion coated PCB surface finish uses a...
QFN Basics

QFN Basics

QFN is an acronym for the Quad Flat No-Lead package and is one of the most popular semiconductors used worldwide. There are four main reasons why.  Low costSmall form factorGood thermal performanceImpeccable electrical performance Like other semiconductor...
PCB Finishes: Immersion Silver

PCB Finishes: Immersion Silver

It is a well-known fact that printed circuit boards (PCBs) use copper surface finishes as a common practice. If left unattended and unprotected, copper will deteriorate and oxidize, leaving your circuit board unusable.  A surface finish plays a vital role in...