GaN Foundry Services
Wolfspeed’s Foundry Services turn your designs into a faster, more reliable reality. As leaders in GaN-on-SiC MMIC technology, we have the design assistance, testing and support to realize your specifications from initial development to recurring production. Plus, we can do it with faster cycle times, higher first-pass design success and greater reliability than any competitor.†
† Based on publicly available competitor data and customer feedback.
We fabricate everything but experience.
- World’s largest dedicated, commercial, WBG-production-device facility
- 100-mm production line
- 100-mm production line
- RF MMIC on-wafer probe / dice
- Microwave reliability labs
- RF applications support
Foundry Engagement Options
Wolfspeed offers two Foundry service options for GaN die design:
- Customer creates design and layout. Completed artwork is submitted to Wolfspeed for fabrication.
- Customer engages Wolfspeed design services to create custom die design & layout per customer specifications.
GaN HEMT MMIC Processes
G28V5 | G28V4 | G40V4 | G28V3 | G50V3 | G50V4 | |
Gate length | 0.15µm | 0.25µm | 0.25µm | 0.4µm | 0.4µm | 0.25µm |
Bias Voltage | 28V | 28V | 40V | 28V | 50V | 50V |
Breakdown Voltage | >84V | >84V | >120V | >84V | >150V | >150V |
RF Power Density | 3.75W/mm | 4.5W/mm | 6W/mm | 4.5W/mm | 8W/mm | 8.5W/mm |
Frequency Band | DC - 40GHz | DC - 18GHz | DC - 18GHz | DC - 8GHz | DC - 6GHz | DC - 18GHz |
SiC Substrate thickness | 75µm | 100µm | 100µm | 100µm | 100µm | · |
Dual 3µm-thick interconnects | · | · | · | · | · | · |
Think film & bulk resistors | · | · | · | · | · | · |
MIM Capacitors >100V | · | · | · | · | · | · |
Slot Vias | · | · | · | · | · | · |
RF Power FETs & RF Switch FETs | · | · | · | · | · | · |
EE + Scratch Coat Option | · | · | · | · | · | · |
Fact Sheet |
Product Design Kits (PDKS) and Models
Wolfspeed has the tools to test your designs and accelerate production.
- Wolfspeed’s scalable non-linear model
- All passives created with Wolfspeed design rules
- Full schematic-driven layout
- Real time design rule-checking
Product Design Kits (PDKS) & Models Partners
Wolfspeed offers non-linear, scalable GaN HEMT models for MMICs, as well as full PDKs for Keysight Technologies’ Advanced Design System (ADS) and AWR Microwave Office (MWO).
GaN Foundry Dedicated Wafers
Wolfspeed fabricates a fully custom wafer run containing the customer’s exclusive die designs. The entire reticle is available for the customer MMIC or discrete device content. Diced, PCM-good wafers are delivered.
- Custom designs
- DRC, layout, and model support
- DC/RF on-wafer testing optional
- Production mask and wafer quantities available
Shared GaN Foundry Wafers
- 5G infrastructure
- Satellite communications
- Ultra-wide band EW
- Two-way private radio
- Test instrumentation
- Broadband amplifiers
- EW jammers
- Class A, AB, linear amplifiers suitable with OFDM, QPSK, QAM, FM waveforms
- Radar
- Military communications
- AWR Design Environment (Microwave Office) and Keysight Technologies’ ADS process design kits
- Layout support and DRC
- Development lots in dedicated and shared mask options
- Electrical test services available
- Visual screening
- High-power FET amplifiers
- Broadband amplifiers
- High-efficiency amplifiers
- High IP3 amplifiers
- Multi-function integrated MMICs
- FET limiters
- High-power FET switches
- High-IP3 FET mixers
- Attenuators
- Phase shifters
- Low-noise amplifiers
Design Partners
Online Foundry Training Course
The Wolfspeed Foundry offers a free, in-depth online training for RF Microwave engineers who want to learn how to design in the Wolfspeed FAB. Basic knowledge of MMIC design and experience using Microwave Office (MWO) or Advanced Design System (ADS) is required.
This training will offer RF Microwave engineers the opportunity to:
- Learn how to best utilize the PDK
- Explore HEMT and passive device models
- Understand the proper steps in designing a MMIC or HEMT
- Follow proper procedures for submitting a design into the FAB
Trusted Foundry
Wolfspeed is a trusted foundry with MRL8 certification.
Wolfspeed has achieved Category 1A trusted-foundry status through certification from the Defense MicroElectronics Activity (DMEA).
Additionally, Wolfspeed has been assessed by the Department of Defense (DoD) to Manufacturing Readiness Level 8 and higher. We have the proven manufacturing and statistical process control in place to enable quick and reliable turnaround times.
RF Foundry Resources
- RF Foundry Services Brochures
- RF Foundry Training Syllabus
- G28V5 Process Fact Sheet
- G28V4 Process Fact Sheet
- G40V4 Process Fact Sheet
- G28V3 Process Fact Sheet
- G50V3 Process Fact Sheet
- A High Efficiency - Ka-Band - GaN-on-SiC MMIC with Low Compression
- Reliability of 150 nm, 28 V GaN HEMT Process up to Ka-band
- Wolfspeed DC and RF Reliability Assessment of 5G MMW Capable GaN HEMT Process