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December 17, 2024 - San Mateo, California - San Francisco Circuits, a premier
provider of leading edge technology printed circuit boards, has published a new
article on the
Immersion Silver Surface Finish process, also known as immersion Ag. It is an
RoHS compliant (lead-free) PCB surface finish offering exceptional flatness and
cost efficiency. This surface finish is particularly well-suited for fine-pitch
components and can replace
Immersion Gold over
Electroless Nickel (ENIG) in many applications.
Unlike ENIG, Immersion Silver applies directly to copper without requiring a
diffusion barrier. It's an excellent choice for applications that must avoid magnetic
materials in the PCB.
Key Benefits of Immersion Silver
- Planar and Reworkable: Ideal for fine-pitch designs and surface-mount technology
(SMT).
- Cost-Effective and Stable: Combines affordability with high stability.
- RoHS Compliant: Meets environmental and regulatory standards.
- Great Solderability: Ensures reliable connections and easy processing.
Applications of Immersion Silver
This surface finish is widely used in:
- EMI Shielding
- Aluminum Wire Bonding
- Membrane Switches
- Very Fine Traces
While Immersion Silver offers several advantages, its sensitivity to contaminants
and susceptibility to tarnishing make proper handling and storage critical. Choosing
a qualified board house is essential to maintain quality and performance.
To explore more about Immersion Silver and other
PCB surface finishes, visit the full article on the San Francisco Circuits website.
About San Francisco Circuits
San Francisco Circuits is a provider of PCB fabrication and assembly, has a dedicated
team specializing in simple and complex PCB fabrication and assembly technologies.
They can produce elaborate and high-quality PCBs in a number of custom and common
layouts. From basic to intricate PCBs–their engineers will meet your PCB fabrication &
assembly needs. The company provides a rare balance between technical expertise
and competitive pricing. And they not only provide high-quality products but also
high-quality customer service at the same time. San Francisco Circuits has been
voted by National Television as the "world's greatest in PCBs" and has demonstrated
experience as a power player in PCB fabrication and assembly.
If you are looking to discuss PCB projects of any size or scope, feel free to
reach out to them via our website (see below).
Contact
Alex Danovich
San Francisco Circuits, Inc.
Phone: 1-800-732-5143
Web: www.sfcircuits.com
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