"Powered by science, focused on customers."

Uyemura provides exceptional, problem-solving finishing technology solutions, including the
broadest range of PCB finishes, ENIG, ENEPIG, ENAG, and much more.



EPIG nickel-free PCB finish

EPIG nickel-free PCB finish is gold wire bondable, solderable, ideal for HF use

EPIG (Electroless Palladium, Immersion Gold) from Uyemura has opened up a wide, new design avenue for high frequency applications and designs with reduced spacing. The EPIG process deposits palladium directly onto copper. More

EVF-N DC Via Fill
Thru-Cup EVF-N plates copper in through-holes and blind vias, cutting process time 50%. It delivers exceptional performance for blind via diameters smaller than 150 micrometers.

TAM-55 advanced immersion gold bath

TAM-55 advanced immersion gold bath minimizes nickel corrosion, optimizes gold distribution; the ultimate gold for ENIG and ENEPIG. More


UIC Strengthens Western Field Team With Veteran PCB Experts

Uyemura USA has intensified its service capacity in the west and
southwest with the additions of DX Tech Solutions and S1 Technology
to its field service team. more



UYEMURA Corporate Headquarters:

3990 Concours, #425 • Ontario, CA 91764 • ph: (909) 466-5635


Semiconductor Finishes:  
General Metal Finishes:  


Uyemura congratulates Alex Stepinski, the first recipient of
I-Connect007’s Good for the Industry Award. more