18th International Microsystems, Packaging, Assembly and Circuits Technology Conference

IMPACT2023
Event recap

IMPACT 2023 — International Microsystems, Packaging, Assembly & Circuits Technology Conference

We joined Taiwan’s leading PCB & packaging week with a talk on copper-foil characterization for 5G applications.

Dates
25–27 October 2023
Venue
Taipei Nangang Exhibition Center — Hall 1
Co-located
TPCA Show 2023

Organised by IEEE-EPS Taipei, iMAPS Taiwan, ITRI and TPCA. Theme: “IMPACT on the future of HPC, AI, and Metaverse”.

Our presentation

Industrial Session — “iNEMI”R504a

Reliability & Loss Properties of Copper Foils for 5G Applications — Electrical Characterization with mmWave Resonators

Speaker: Dr. Małgorzata Celuch (QWED)
Date & time: Wed, 25 Oct 2023 · 13:30–15:30
Session chairs: Masahiro Tsuriya (iNEMI) • Jeffrey Lee (IST)

The talk reported iNEMI study results and QWED’s mmWave resonator methods for evaluating copper-foil conductivity without fabricating test circuits — isolating copper loss from substrate effects.

What we presented

Methods & instruments

Easy-to-use resonator heads quantified effective conductivity and loss over 13–40 GHz, with extensions underway toward higher frequencies.

Why it matters

The workflows support copper-foil manufacturers in improving quality and accelerating new product development for mmWave-ready PCBs.

Key takeaways

No-test-circuit approach
Direct copper loss, independent of dielectric substrates.
Conflicting requirements
Balancing RF performance and PCB durability at mm-waves.
Consortium perspective
Independent evaluation across multiple copper-foil vendors.

Let’s keep in touch

Interested in mmWave resonator testing or correlating foil properties with PCB performance? We’re happy to share datasets and demo measurements.

IMPACT 2023