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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. ...
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...
Fab and Assembly Drawing Standards

Fab and Assembly Drawing Standards

Both Fab and assembly drawings are useful to communicate various information to your vendors. The fabrication drawing contains information on how to build the printed circuit board (PCB). While your assembly drawing depicts details on how several components are going...
BGAs – What Are They?

BGAs – What Are They?

What is a Ball Grid Array? You may have heard the term BGA. Not sure what it means? We have you covered. BGA, short for ball grid array, is a specific type of surface mount technology (SMT). In most cases, BGA packages are used by professionals to mount different...

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Nova is a full-service printed circuit board assembler located in Denver, Colorado.