Joseph (Joe) Fjelstad Print E-mail

Inducted May 2013

Joseph (Joe) Fjelstad is one of the most prolific inventors the printed circuit industry has ever seen. At the time of his induction, Fjelstad had been credited with 170 patents, ranging from solderless flex circuit assembly to LED package assembly to "direct connect" signaling between the PCB and the component package. His inventions ranged from arrays to semiconductor packaging to flexible connectors. One patent describes a method for making a multilayer circuit. And describes method for deburring metal-clad laminate. A chemist by training who seamlessly migrated from printed circuit board fabrication to semiconductor packaging (with a short stint in the technical department of the IPC, an industry trade association), Fjelstad could probably be inducted into any of a variety of Halls of Fame.





Eastern-US: China’s New Competitor?

Parity emerges among EMS Factories from Asia, Mexico and the US.

For the first time in years we see parity in the Eastern US among EMS factories from Asia, Mexico and the US. This EMS market condition will permit American OEMs (the EMS industry refers to OEMs as customers) to have more EMS pathways to choose from. Now more than ever, such EMS assignments will require deeper investigation relating to the OEMs’ evaluation of manufacturing strategies.

The Human Touch

For those who count on the electronics industry for big feats, it’s been a remarkable couple of years.



Advances in Concentration Monitoring and Closed-Loop Control

Contaminated bath water skews refractive index results. New technology can accurately measure aqueous cleaning agent concentration.

Circuits Disassembly: Materials Characterization and Failure Analysis

A systematic approach to nonconventional methods of encapsulant removal.





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