Ball Grid Arrays — What are They

Most IC packages have soldering pins along one, two, or all four of their edges. While some have them positioned away from the body, for some the manufacturers bend the pins back under the [...]

IC Packages — Why the Variety?

Rush PCB, our customers and most others are accustomed to seeing and handling Integrated Circuits or ICs. However, what everyone sees and handles is really the external packaging, as the die or [...]

Component Selection for PCBs – Common Mistakes

A designer uses electronic components for building up the circuit so that it functions properly. Rush PCB recommends dividing the entire exercise into three distinct activities: Component [...]

How are SMCs Assembled?

At Rush PCB, most of the printed circuit boards (PCBs) we assemble have surface mount components (SMCs) on them. Our customers want their boards assembled with SMCs primarily because SMCs offer [...]

PCB Assembly Inspection and Testing Procedures Overview

Printed circuit boards (PCBs) getting increasingly more complex, and this is evident from the mixed-performance that OEMs demand from them. These requirements lead to a diverse set of highly [...]

Design for Assembly Overview for PCBs

Definition and Scope of DFA As design decisions can have a significant effect on the cost and efficiency of PCBs during the assembly process, they can also affect the overall reliability and [...]

Qualifying a BOM

Although the electronic industry uses a Bill of Materials (BOM) to indicate a list of ingredients a product uses, the concept of a comprehensive BOM is still elusive to most people. To create a [...]

Detection & Prevention of Solder Joint Failure

Electronic systems use solder joints in multiple locations including connectors, components, and mechanical support points interconnecting printed circuit boards (PCBs). Rush PCB identifies [...]

Best Practices for Solder Resist on PCBs

Rush PCB recommends using solder resist (the green coating) on the printed circuit boards (PCBs) as a primary protection against oxidation and corrosion. The presence of the solder resist [...]

How to Cut PCB Assembly Costs?

At Rush PCB, we face this question from almost all our customers. They want to know how they can reduce their expenses when assembling their printed circuit boards (PCBs). Those assembling a [...]