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Happy’s Tech Talk #26: Balancing the Density Equation

03/14/2024 | Happy Holden -- Column: Happy’s Tech Talk
Printed circuit design and layout is a creative process that has profound implications for electronic products. With the need for more parts on an assembly, or the trend to make things smaller to be portable or for faster speeds, the design process is a challenging one. The process is one of “balancing the density equation” (Figure 1) with considerations for certain boundary conditions like electrical and thermal performance. Unfortunately, many designers do not realize that there is a mathematical process to the layout of a printed circuit

A Brief History of IPC APEX EXPO

03/13/2024 | Alicia Balonek, IPC
In 1998, the Surface Mount Equipment Manufacturers Association (SMEMA) approached IPC for help. Because of IPC’s success with the Printed Circuits Expo and recognizing the need to establish control of its own event, the discussions between SMEMA and IPC ensued. This led to a merger between the two organizations and provided SMEMA with IPC member benefits.

FTG Circuits Earns IPC-1791 Trusted Electronic Designer, Fabricator and Assembler QML Requalification

03/11/2024 | IPC
IPC’s Validation Services program has awarded an IPC-1791, Trusted Electronics Fabricator Qualified Manufacturer Listing (QML) requalification to FTG Circuits’ Haverhill, Mass. location.

Testing Todd: Why 4-wire Kelvin?

03/08/2024 | Todd Kolmodin -- Column: Testing Todd
As William Thomson (Lord Kelvin) once said, “If you cannot measure it, you cannot improve it.” This is truer today than ever before. With the advances in microelectronics and nanoelectronics, HDI, and buried active/passive components, the signature of the printed circuit is critical. High-speed substrates rely on signal transmission to be as pristine as possible. Minor changes can cause impedance changes in standing wave ratio (SWR) elevation, which leads to degraded performance.

Electronics Circuit World Convention: A Brief History

03/07/2024 | David Bergman, IPC
In 1978, a new event called the Printed Circuit World Convention (PCWC) was born. It brought together printed wiring board (PWB) associations from around the world to focus on advancing technology, growing the market, and providing insight into the management of the manufacture of printed boards.
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