Redistribution Layer for
Wafer Level Packaging

Our RDL solutions deliver high-purity deposits, conformal seed filling and adjustable surface roughness for advanced semiconductors.

Enhance Package Connectivity with Our High-Purity RDL Solutions

Unlock superior package connectivity with our Redistribution Layer (RDL) solutions. Our high-purity gold deposits with superior step coverage and adjustable surface roughness enhance solderability and conductivity, optimizing 2.5D and 3D wafer level packaging designs.

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Explore Products for Redistribution Layer for WLP

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Backside Metallization

Optimize via step coverage, yield, and reliability for power/RF with our solutions that integrate seamlessly with die attach material.

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Display Driver Interface (DDI)

Achieve superior bondability, reliability and thermal stability of display driver applications with our high-hardness gold solutions.

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FOWLP Solder Surfaces

Design next-generation Fan-Out Wafer Level Packaging (FOWLP) with our advanced gold and palladium solutions for thin metal films.

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Gold Etch Materials

Ensure precise, uniform gold seed removal on TiW barriers with advanced, cost-effective gold etchants for semiconductor fabrication.

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Micro-Electromechanical Systems (MEMS)

Enable high plating rates and superior step coverage with our advanced, cost-effective solutions for MEMS fabrication.

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Why MacDermid Alpha?

Integrated Solutions
Our complete range of pre-plate, strike, and plating solutions ensures superior results for compound semiconductor applications.

Sustainability
Non-cyanide gold plating solutions support the achievement of Environment Health & Safety (EH&S) goals and maintain performance in compound semiconductor applications.

Reliability
Unmatched corrosion resistance, high thermal stability, and improved adhesion are delivered through our portfolio of compound semiconductor solutions.

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Frequently Asked Questions

What is a Redistribution Layer (RDL) in semiconductor packaging?

A Redistribution Layer (RDL) is used to reroute I/O connections in semiconductor packaging. It involves adding dielectric and metal layers to a wafer to re-route the I/O pitch, enabling communication between chips in advanced packaging designs like 2.5D, 3D, and wafer level packaging.

How do your gold solutions improve redistribution layer performance?

Our gold solutions enable high-purity gold deposits, superior step coverage, and uniform via filling with a conformal seed, enhancing the overall performance of the redistribution layer (RDL) for reliable electrical connections and better signal integrity.

How do your gold solutions enhance via fill in RDL applications?

Our gold solutions provide superior via fill with a conformal seed, ensuring excellent step coverage and reliable electrical paths in RDL applications. This leads to improved performance, higher yield, and more efficient manufacturing of advanced semiconductor packages.

How do your gold solutions improve step coverage in RDL layers?

Our gold solutions ensure superior step coverage in RDL layers, providing uniform deposition even in challenging geometries. This results in better electrical performance, increased reliability, and enhanced manufacturing yields for high-density semiconductor packaging.

What role does surface roughness play in your gold RDL solutions?

Our gold RDL solutions feature adjustable surface roughness, which ensures optimal solderability and enhanced bonding between layers. This helps in achieving a uniform surface for solder bumps, improving overall package reliability and performance.

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