Semiconductor and Electronics Plating Solutions
Engineered precious metal plating for high-reliability electronic components, semiconductor devices, and advanced interconnect systems
What Is the Semiconductor and Electronics Industry and Why Plating Matters?
The semiconductor and electronics industry enables everything from consumer devices to advanced computing, aerospace systems, and industrial automation. Semiconductor electronics plating plays a critical role in these systems by enabling conductivity, corrosion resistance, solderability, and wear protection without increasing component size or complexity.
Metal plating plays a critical role in these systems by enabling conductivity, corrosion resistance, solderability, and wear protection without increasing component size or complexity.
Key Functions:
- Electrical conductivity and signal integrity
- Corrosion and oxidation resistance
- Solderability and bondability
- Wear resistance for contact surfaces
- Thin, uniform coatings for miniaturized components
Precious Metal Plating for Electronics Applications
ProPlate provides a range of precious and specialty metal finishes designed to meet the performance demands of semiconductor and electronic components.
Gold (Au)
- High conductivity
- Corrosion resistance
- Wire bonding compatibility
Palladium-Nickel (PdNi)
- Cost-effective gold alternative
- Wear resistance for contacts
Silver (Ag)
- Conductivity
- RF and high-frequency applications
Nickel (Ni)
- Barrier layer
- Wear resistance
Copper (Cu)
- Base layer / conductivity enhancement
Rhodium (Rh)
- Hard, wear-resistant
- High durability contact surfaces
Have questions about plating for your semiconductor or electronics application? Our experts can help.
Semiconductor and Electronics Components We Support
Slip Rings • Plungers • Antennas • Radar • Domes • Satellites • Rings • Guidance Systems • Communication Systems • Fiber Optics • Deep Drawn Parts • Stamped Parts • Precision Machined Parts • Opto-Electronics • Test Probes • Tubular Connections • Clips • Electrodes • Interconnects • Power Modules • Contact Strips • Ferrules • Sensors • Circuit Boards • Probes • Wires • Sleeves • Servo-Motor Components • Microwave Components • Test Equipment • Microelectronics • Vacuum Electron Devices • Screws • Fasteners • Contacts • Plugs • Tabs • Cups • Springs • Rivets • Reflectors • Tubes • Disks • Radar Arrays • Cans • Sockets • Chassis • Strips • Leads • Satellite Housings • Avionics • Connectors • Coils • Terminals • Missile Components • Aircraft Engine Parts • Detonators • Brackets • Housings • Lugs • Plates • Inserts • Washers • Engine Bearing Cages • Heat Transfer Systems • Rotary Housings • Pins • Heat Sinks • Bushings • Covers • Optical Devices • Electrical Hardware • Nuts • Shields
ProPlate’s Plating onto Plastics capabilities are also available for semiconductor and electronics applications, including spring probes, pogo pins, compression test sockets, LGA sockets, board-to-board connectors, and EMI/RFI shielding on molded or machined housings.
Engineering Challenges in Semiconductor and Electronics Plating
Semiconductor and electronics components operate under demanding electrical, thermal, and mechanical conditions. The following are the most common engineering challenges ProPlate addresses for this industry.
| Key Challenges | ProPlate Solution |
|---|---|
| Interconnect reliability and corrosion of contacts, bonding pads, and lead frames | Selective plating with gold, palladium, or nickel to protect sensitive surfaces from oxidation and maintain long-term electrical stability |
| Signal integrity in high-frequency and RF applications | Selective plating with highly conductive silver or gold on bonding pads, contact points, and micro-interconnects to reduce signal loss |
| Thermal management in high-performance processors and power electronics | Silver plating on critical surfaces to improve heat dissipation and protect components from thermal damage |
| Wear and durability of connector contact surfaces under repeated mating cycles | Gold or palladium-nickel plating on connector pins and contact surfaces to increase hardness and reduce wear |
| EMI and RFI shielding in high-density electronic assemblies | Nickel, copper, or silver plating on molded or machined housings to shield critical components from electromagnetic interference |
| Solderability of PCB components and semiconductor assemblies | Gold, silver, or tin-lead plating to improve wettability and solder joint reliability during assembly |
| Hermetic sealing requirements for feedthrough connectors | Selective plating with gold, rhodium, platinum, or palladium-nickel applied precisely to lead pins before or after the sealing process |
| Electromigration in advanced-node metal interconnects | Copper plating to create stronger, more robust interconnects that resist migration under high current densities |
| MEMS and mechanical component durability under wear, vibration, and repeated mechanical stress | Nickel or gold plating to improve hardness, reduce friction, and ensure components withstand physical stresses in automotive, aerospace, and wearable electronics |
For components requiring hermetic seal integrity, ProPlate’s selective plating processes comply with MIL-STD-883 hermetic seal testing requirements. For EMI and RFI shielding applications, learn more about IEEE electromagnetic compatibility standards.
Proven Results in Semiconductor and Electronics Applications
Gold Plating for Hearing Aid Battery Contacts
Gold and nickel plating were applied to beryllium copper battery contacts used in hearing aids, where small, delicate geometries made traditional plating methods unsuitable. ProPlate developed a custom racking system and process to prevent part damage while achieving tight thickness tolerances at high volumes. The result was a significant increase in productivity, reduced handling, and consistent plating performance across all components.
Selective Gold Plating for Electrical Test Probes
Gold plating was required inside the tube of electrical test probes to ensure reliable conductivity, while avoiding unnecessary plating on external surfaces. ProPlate developed a high-throw gold plating process to achieve uniform internal coverage without over-plating. The result was consistent electrical performance, reduced material costs, and elimination of waste from nonconforming parts.
Rhodium Plating for Electrical Contacts, PCBs & Semiconductor Components
Rhodium plating was applied to electrical contacts, semiconductor components, and PCB applications requiring extreme durability, conductivity, and corrosion resistance. ProPlate developed tightly controlled plating processes and in-house chemistry management to ensure uniform deposition on complex and high-value components. The result was consistent, high-performance coatings with exceptional wear resistance, electrical reliability, and long-term stability in demanding environments.
Selective Plating for Hermetically Sealed Feedthrough Connectors
Selective plating was required for hermetically sealed feedthrough connectors to maintain seal integrity while enabling electrical conductivity and corrosion resistance. ProPlate developed specialized masking, fixturing, and plating processes to precisely apply coatings only where needed, either before or after the sealing process. The result was reliable hermetic performance, consistent electrical functionality, and repeatable plating outcomes across complex connector assemblies.
Frequently Asked Questions About Semiconductor and Electronics Plating
What metal finishes does ProPlate offer for semiconductor and electronics applications?
ProPlate provides gold, palladium-nickel, silver, nickel, copper, rhodium, platinum, palladium, and tin-lead plating for semiconductor and electronics applications. The appropriate finish depends on the component’s conductivity, wear resistance, solderability, and corrosion resistance requirements. ProPlate also offers plating onto plastics for polymer-based semiconductor and electronics components including spring probes, pogo pins, and EMI shielding housings.
What semiconductor and electronics components does ProPlate plate?
ProPlate plates a wide range of semiconductor and electronics components including electrical contacts, connector pins, test probes, PCBs, semiconductor wafers, hermetically sealed feedthrough connectors, slip rings, antennas, RF components, lead frames, springs, terminals, and EMI shielding housings. A comprehensive list of supported components is available on the Semiconductors and Electronics page.
Can ProPlate plate inside tubes and deep cavities for electronics applications?
Yes. ProPlate has developed high-throw plating processes specifically for achieving uniform metal coverage inside tubes and deep cavities where conventional plating cannot reach consistently. The gold plated electrical test probe case study is a documented example where ProPlate developed a custom high-throw gold chemistry to plate uniformly inside tubes while controlling external over-plating and material costs.
What is selective plating and why is it important for semiconductor components?
Selective plating deposits metal only on specific surfaces of a component, leaving other surfaces unplated. This is critical for semiconductor components where plating in the wrong location can cause electrical shorts, seal failures, or assembly problems. ProPlate uses custom masking, fixturing, and racking to achieve precise selective coverage on complex semiconductor and electronics geometries.
Can ProPlate handle rhodium plating for semiconductor and PCB applications?
Yes. ProPlate has extensive experience in rhodium plating for electrical contacts, semiconductor wafers, and PCB components. Rhodium plating for semiconductor applications is particularly demanding due to tight plating tolerances, high process control requirements, and rhodium’s inertness once deposited. ProPlate operates an in-house chemistry department to monitor and maintain plating baths proactively, which is critical for consistent rhodium outcomes on high-value components.
Does ProPlate support plating onto plastics for electronics components?
Yes. ProPlate’s Plating onto Plastics capabilities include spring probes, pogo pins, compression test sockets, LGA sockets, board-to-board connectors, and EMI and RFI shielding on molded or machined housings. Plating onto plastics allows polymer components to carry current, resist wear, and provide shielding at a fraction of the weight and cost of solid metal alternatives.