Technology & Innovation
GE Aerospace Launches Advanced Silicon Carbide Power Devices for AI and EV
GE Aerospace introduces Gen-4 Silicon Carbide MOSFETs boosting energy efficiency in AI data centers, renewable energy, and electric vehicles.
The Quiet Revolution: How Silicon Carbide is Powering the Next Wave of Technology
In the relentless pursuit of technological advancement, the unsung hero is often not the glamorous application itself, but the foundational components that make it possible. We are in an era defined by data, and the explosion of Artificial Intelligence is placing an unprecedented strain on our energy infrastructure. Data centers, the sprawling nerve centers of the digital world, are consuming electricity at a staggering rate, creating a critical need for greater efficiency. This is where a compound called Silicon Carbide (SiC) steps out of the laboratory and into the spotlight. It represents a fundamental shift in power electronics, promising to handle more power, generate less heat, and operate in conditions that would incapacitate traditional silicon-based components.
GE Aerospace, a name synonymous with the extreme demands of aviation, has now turned its considerable expertise in high-performance materials toward this terrestrial challenge. The company recently announced the successful demonstration of its fourth-generation (Gen-4) SiC MOSFETs (metal-oxide-semiconductor-field-effect transistors). This isn’t just an incremental improvement; it’s a strategic pivot, leveraging decades of research in aerospace-grade electronics to tackle the burgeoning energy needs of AI data centers, renewable energy systems, and the automotive industry. The move signals a broader trend where technologies forged in the crucible of extreme environments are being adapted to solve some of our most pressing commercial and industrial problems.
The significance of this development lies in the unique properties of Silicon Carbide. Compared to the silicon that has powered the electronics industry for over half a century, SiC is a wide-bandgap semiconductor. This allows it to operate at higher voltages, frequencies, and temperatures, which translates directly into smaller, lighter, and vastly more efficient power systems. As AI models become more complex and data centers grow in scale, the efficiency of every single component, from the server power supply to the cooling systems, becomes paramount. GE’s entry into this market underscores a critical turning point: the quest for computational power is now inextricably linked to the quest for energy efficiency.
Forged in Extremes: GE’s Technological Edge
GE’s journey with Silicon Carbide wasn’t born out of the needs of a data center, but from the unforgiving conditions of aerospace and military applications. For nearly two decades, the company has been honing its SiC technology, from chip design to full system implementation, to meet the highest standards of reliability and performance. This long-term investment has culminated in their Gen-4 SiC MOSFETs, which boast specifications that push the boundaries of current industry standards. The chips are rated for 1200V and feature an industry-leading maximum operating temperature of 200°C. This high-temperature tolerance is a key differentiator in a market where most competitors’ products top out between 150°C and 175°C.
What does this higher temperature rating mean in practical terms? For a high-density environment like an AI data center, it means enhanced reliability and potentially reduced cooling requirements. Less energy spent on cooling means more energy available for computation, directly impacting the operational cost and environmental footprint of the facility. The Gen-4 chips also promise a higher current rating per chip area and faster switching speeds. Faster switching is crucial as it minimizes the amount of energy lost as heat during the power conversion process, further boosting overall system efficiency. This level of performance is a direct result of GE’s deep research and development, which has even demonstrated SiC MOSFETs capable of operating at temperatures exceeding 800°C in laboratory settings, hinting at future applications in hypersonic vehicles and space exploration.
The innovation isn’t just in the material science but also in the design. Analysis of GE’s previous generation modules revealed a unique gate design structure and the use of advanced packaging techniques like their Power Overlay (POL) technology. These design choices are critical for maximizing the performance of the SiC chips and ensuring their durability over long-term use. By bringing this aerospace-grade engineering to the commercial market, GE is not just offering a component; it’s offering a solution built on a foundation of extreme-environment reliability. This heritage provides a compelling argument for its adoption in mission-critical applications where failure is not an option, from industrial power grids to the servers running complex AI algorithms.
“Our newest Gen-4 SiC MOSFETs deliver a step change in performance that makes them very attractive across a wide range of industries, including automotive, renewables, AI data centers, and industrial electrical power,” said Kris Shepherd, president & GM, Electrical Power Systems for GE Aerospace.
Beyond the Data Center: A New Industrial Revolution
While the energy appetite of AI is a primary catalyst, the applications for GE’s advanced SiC technology extend far beyond data centers. The same properties that make these MOSFETs ideal for server power supplies also make them transformative for the renewable energy sector. In solar inverters, for example, higher efficiency means more of the DC power generated by solar panels is successfully converted to AC power for the grid, maximizing the output of clean energy installations. Similarly, in energy storage systems, SiC components reduce power loss during charging and discharging cycles, making the entire system more effective.
The automotive industry is another major beneficiary. As the world transitions to electric vehicles (EVs), the efficiency of the powertrain is a critical factor in determining a vehicle’s range and performance. SiC is already being used in EV inverters, on-board chargers, and fast-charging infrastructure to reduce power loss, which can extend driving range and significantly shorten charging times. The high-temperature tolerance of GE’s chips could be particularly advantageous in the compact and thermally challenging environment of an automotive powertrain. The technology’s reach even extends to high-performance applications like Formula 1 racing, where SiC inverters are part of kinetic energy recovery systems.
GE is entering a competitive but rapidly growing market. The global silicon carbide MOSFET market is projected to see substantial growth, driven by these diverse applications. Established players like Wolfspeed, STMicroelectronics, and Infineon are already major suppliers to the industrial and automotive sectors. However, GE’s strategic advantage lies in its vertically integrated expertise, spanning from fundamental material science to complex system-level applications. By leveraging its legacy in aerospace, the company is positioned not just as a component supplier, but as a partner capable of developing highly reliable, high-performance power electronic solutions for a new generation of industrial technology.
Conclusion: The Power of Efficiency
The introduction of GE Aerospace’s Gen-4 Silicon Carbide MOSFETs is more than a product launch; it’s a clear indicator of a strategy convergence. Technologies developed for the most demanding applications on, and off, the planet are now being deployed to solve fundamental challenges in commercial industries. The insatiable demand for data and the global push for electrification have created a critical inflection point where energy efficiency is no longer a secondary consideration but a primary driver of innovation. SiC technology stands at the heart of this shift, offering a pathway to more powerful, compact, and reliable power electronics.
As GE navigates this competitive landscape, its success will depend on its ability to scale production and forge strong partnerships within these new markets. The company’s deep technical expertise and its reputation for reliability provide a formidable foundation. The future of not just AI, but also renewable energy, electric transportation, and advanced industrial systems, will be shaped by the quiet revolution happening within the tiny electronic components that power them. The move from silicon to silicon carbide is a critical step in building a more efficient and sustainable technological future.
FAQ
Question: What is Silicon Carbide (SiC) and why is it better than traditional silicon?
Answer: Silicon Carbide is a wide-bandgap semiconductor material. Its properties allow electronic devices made from it to operate at much higher voltages, frequencies, and temperatures than conventional silicon. This results in power systems that are significantly more energy-efficient, smaller, and lighter.
Question: What are the main applications for GE’s new Gen-4 SiC MOSFETs?
Answer: The primary target applications include AI data centers (specifically their power supplies), renewable energy systems like solar inverters, and the automotive sector for electric vehicles (powertrains, chargers). They are also suited for a wide range of other high-power industrial and military applications.
Question: What makes GE’s SiC technology stand out from competitors?
Answer: A key differentiator is the industry-leading maximum operating temperature of 200°C, which is higher than most commercially available alternatives. This, combined with GE’s two decades of experience developing highly reliable SiC technology for the demanding aerospace sector, gives their products an edge in durability and performance in extreme conditions.
Sources
Photo Credit: GE Aerospace
Technology & Innovation
Wisk Aero Flies Second Gen 6 Autonomous eVTOL in California
Wisk Aero completes first flight of second Gen 6 autonomous eVTOL, expanding test program at Hollister facility to support air mobility integration.
Wisk Aero has successfully completed the first flight of its second Generation 6 autonomous aircraft. The flight took place at the company’s dedicated test facility in Hollister, California, marking a significant expansion of its ongoing testing capabilities.
According to the official press release, this milestone follows the initiation of the first Gen 6 aircraft’s flight test campaign, which began in mid-December. The addition of a second active test vehicle is expected to significantly enhance the company’s data collection, validate critical systems, and accelerate the overall timeline of the Test-Flights program.
We note that this development represents a critical step in Wisk’s broader strategy to commercialize autonomous air taxi services. By scaling its test fleet, the company aims to align its technological progress with recent federal and state-level airspace integration programs.
Expanding the Flight Test Campaign
The inaugural flight of the second Gen 6 vehicle included vertical takeoff, hovering, and chirp maneuvers. The company stated that these initial actions are vital first steps for characterizing the baseline performance of the new aircraft.
With two aircraft now active in the testing phase, Wisk plans to broaden its flight envelope. The dual-aircraft approach will allow engineering teams to focus on complex transitions from hover to wing-borne flight, while simultaneously refining control laws and overall system performance to meet commercial aviation safety standards.
Leadership Perspectives
Company leadership emphasized the importance of scaling the test program to meet the rigorous demands of commercial aviation regulators.
“Having multiple aircraft in flight testing allows us to move faster, learn quicker, and stay on the leading edge of autonomous aviation,” stated Sebastien Vigneron, CEO of Wisk, in the company’s release.
Path to Commercialization and Partnerships
Wisk’s Gen 6 aircraft is designed as an all-electric, fully autonomous vehicle that operates with human oversight from a ground-based operator. The company maintains that this specific operational model is essential for ensuring safety, scalability, and affordability in the advanced air mobility (AAM) sector.
The expanded flight test capacity directly supports Wisk’s commercialization timeline and its involvement in national integration initiatives. Recently, the U.S. Department of Transportation selected the Texas Department of Transportation (TxDOT), a Wisk partner, for the Electric Vertical Takeoff and Landing (eVTOL) and Advanced Air Mobility (AAM) Integration Pilot Program (eIPP).
Real-World Operations
Through the eIPP, Wisk intends to utilize its autonomous systems to conduct real-world flight operations within the U.S. National Airspace. Furthermore, the press release notes that Wisk is continuing its close collaboration with the Federal Aviation Administration (FAA) and NASA to solidify United States leadership in the AAM industry.
AirPro News analysis
At AirPro News, we observe that deploying a second test article is a standard but crucial milestone in aerospace development programs. It provides necessary hardware redundancy and accelerates the accumulation of flight hours, which are strictly required by the FAA for type Certification.
Wisk’s emphasis on a ground-supervised autonomous model distinguishes it from many competitors who are initially pursuing piloted eVTOL designs. The success of this dual-aircraft testing phase will be a key indicator of whether the autonomous-first approach can efficiently meet the rigorous safety thresholds demanded by regulators for passenger-carrying commercial service.
Frequently Asked Questions
What is the Wisk Gen 6 aircraft?
It is an all-electric, autonomous vertical takeoff and landing (eVTOL) aircraft designed for air taxi services. It operates autonomously with oversight from a ground-based human operator.
Where is Wisk conducting its flight tests?
The flight tests are being conducted at Wisk’s flight test facility located in Hollister, California.
How does the second aircraft help the program?
According to the company, a second active test vehicle expands capacity for data collection, system validation, and accelerates the overall flight test campaign by allowing simultaneous testing of different flight envelopes.
Sources: Wisk Aero Press Release
Photo Credit: Wisk Aero
Technology & Innovation
Joby Aviation Advances eVTOL Integration at Commercial Airports
Joby Aviation progresses eVTOL integration at airports with FAA support, focusing on safety and non-disruption of airline traffic.
This article is based on an official company publication from Joby Aviation, supplemented by federal program data.
The integration of electric vertical takeoff and landing (eVTOL) aircraft into commercial airspace is officially transitioning from theoretical simulation to real-world execution. As the advanced air mobility (AAM) sector matures, manufacturers are actively working to ensure their aircraft can operate safely at major airports without disrupting traditional jet traffic.
According to an April 29, 2026, publication by Joby Aviation airspace engineer Eric Mueller, the company is laying the groundwork for seamless airport transfers. Mueller, whose background includes nearly two decades at NASA and leadership roles at Uber Elevate, outlined the foundational principles required to mix 200 mph electric air taxis with massive commercial airliners.
This operational shift is heavily supported by the Federal Aviation Administration (FAA), which recently launched the eVTOL Integration Pilot Program (eIPP) to accelerate safe AAM integration across the United States and gather real-world operational data.
The Core Principles of Airspace Integration
Maintaining Radar Separation and Non-Disruption
A primary concern for aviation authorities and legacy carriers is the potential for AAM operations to interfere with existing flight schedules. According to Joby Aviation’s publication, a core tenet of their integration strategy is the strict non-disruption of conventional airline traffic.
Mueller notes that eVTOL operations must not trigger collision avoidance systems on commercial jets. To achieve this, Joby has designed its airspace integration procedures to ensure that standard radar separation requirements are strictly maintained between airline traffic and powered-lift aircraft.
Situational Awareness and Use Cases
To maintain compatibility with the existing Air Traffic Control (ATC) environment, Joby aircraft are equipped with ADS-B In and Out technology. This ensures high situational awareness for both the eVTOL pilots and air traffic controllers, allowing the aircraft to broadcast their precise location while receiving data on surrounding traffic.
The company has identified airport transfers as one of the clearest near-term applications for eVTOLs. According to Joby, this use case is driven by bidirectional passenger demand, significant time savings, and a natural alignment with existing ground transportation models.
From Simulation to Real-World Execution
The FAA eVTOL Integration Pilot Program (eIPP)
The transition from concept to execution is being facilitated by the federal government’s latest initiative. On March 9, 2026, U.S. Transportation Secretary Sean P. Duffy and the FAA announced the launch of the eIPP to accelerate the safe integration of next-generation aircraft.
According to the Department of Transportation, the FAA selected eight multi-state projects spanning 26 states to test various operational concepts, including urban air taxi services, regional transport, cargo logistics, and emergency medical response. Joby Aviation is participating in five of these state projects, including operations in Florida.
According to Mueller’s update, operations under the eIPP have already commenced in New York and are expected to begin in other participating states by the summer of 2026.
“The infrastructure exists, procedures have been tested, and aircraft are in the final stages of certification. The current phase is purely about execution.”
, Eric Mueller, Airspace Engineer at Joby Aviation, summarizing the industry’s current readiness.
Building on Years of Testing
The current operational phase is built upon years of rigorous testing. In September 2021, Joby became the first eVTOL company to fly in NASA’s AAM National Campaign, which included extensive acoustic and operational testing to measure the aircraft’s noise footprint and safety profile.
Local infrastructure planning has also played a crucial role. In November 2024, the Greater Orlando Aviation Authority (GOAA) initiated an examination of eVTOL operations at Orlando International Airport (MCO) via a tabletop exercise. The routes and procedures evaluated in Orlando subsequently led to human-in-the-loop simulations at the FAA’s William J. Hughes Technical Center. These simulations involved ATC controllers and National Air Traffic Controllers Association (NATCA) representatives to ensure practical viability.
AirPro News analysis
We observe that the AAM industry has reached a critical inflection point. For years, the conversation surrounding eVTOLs has been dominated by battery density, vehicle certification, and theoretical airspace models. Mueller’s recent publication signals that the infrastructure and procedures are now ready for live execution.
The launch of the eIPP under Secretary Duffy represents a vital shift toward data-driven regulation. By deploying aircraft in live environments like New York and Florida, the FAA is gathering the empirical data necessary to develop permanent certification pathways. Initial operations will be modest in scale to build confidence incrementally and identify real-world considerations that simulations cannot capture. The successful integration of these aircraft, without causing delays or safety hazards for legacy carriers, will be the ultimate test of the AAM sector’s viability.
Frequently Asked Questions (FAQ)
What is the eVTOL Integration Pilot Program (eIPP)?
Launched by the FAA and the U.S. Department of Transportation on March 9, 2026, the eIPP is a federal initiative designed to accelerate the safe integration of Advanced Air Mobility (AAM) aircraft into the national airspace. It currently includes eight multi-state projects across 26 states.
How will eVTOLs avoid interfering with commercial jets?
According to Joby Aviation, eVTOL integration relies on strict adherence to standard radar separation requirements and the use of ADS-B In and Out technology. The goal is to operate without triggering collision avoidance systems on legacy commercial aircraft.
When will these air taxi flights begin?
Initial operations under the eIPP have already commenced in New York as of spring 2026, with expansion to other participating states expected by the summer of 2026. These early flights are modest in scale to build regulatory and public confidence.
Sources: Joby Aviation
Photo Credit: Joby Aviation
Technology & Innovation
SoftBank and TOPPAN Develop Lightweight Wing Skin for Stratospheric HAPS
SoftBank and TOPPAN created an ultra-lightweight, durable wing skin for solar-powered HAPS aircraft to withstand extreme stratospheric conditions.
This article is based on an official press release from TOPPAN Holdings and SoftBank Corp.
SoftBank and TOPPAN Unveil Ultra-Lightweight Wing Skin for Stratospheric HAPS Aircraft
In a significant step toward the realization of 6G “flying base stations,” SoftBank Corp. and TOPPAN Holdings Inc. have announced the joint development of an ultra-lightweight, highly durable wing skin. According to a joint press release issued on April 27, 2026, this new material is specifically engineered for solar-powered High-Altitude Platform Station (HAPS) aircraft.
HAPS vehicles are uncrewed aircraft designed to operate in the stratosphere at an altitude of approximately 20 kilometers. By functioning as airborne telecommunications towers, they offer broader geographic coverage than traditional ground-based cell sites and deliver higher-volume, lower-latency connectivity than satellite networks. We anticipate these platforms will become crucial for disaster recovery and bridging the digital divide in remote regions.
The newly developed wing skin solves a major physical bottleneck in sustained stratospheric flight, combining extreme weather resistance with the strict weight requirements necessary for solar-powered aviation.
Engineering for the Edge of Space
The Stratospheric Challenge
Operating at 20 kilometers above sea level exposes aircraft to environmental extremes that rapidly degrade conventional aerospace materials. According to the project’s technical data, temperatures in the stratosphere can plummet to between -50°C and -95°C, while surfaces exposed to direct sunlight can heat up to 100°C.
Furthermore, the stratosphere features intense shortwave deep ultraviolet (UV-C) radiation and high-concentration ozone levels ranging from 10 to 20 parts per million. The press release notes that these harsh conditions typically destroy the structural integrity of standard all-purpose films, making long-endurance flights nearly impossible without specialized shielding.
Adapting Packaging Technology for Aerospace
To overcome these environmental hurdles, TOPPAN utilized its proprietary “converting technology”, a sophisticated process originally developed for consumer packaging films that involves precise printing and lamination.
“By layering proprietary materials over an impact-resistant base resin designed for extreme cold, they created a skin that resists tearing and degradation,” the project documentation states.
Crucially, the joint announcement confirms that despite the added durability and multi-layered protection, the new skin weighs the same as or less than conventional aircraft skins. This weight efficiency is a mandatory requirement for HAPS aircraft, which rely entirely on solar power and must remain as light as possible to maintain sustained flight.
A New Standard in Material Testing
The partnership between the telecom giant and the materials manufacturers also yielded a breakthrough in aerospace testing methodologies. Historically, testing materials for stratospheric conditions on the ground has been difficult due to the complex interplay of extreme cold, radiation, and atmospheric gases.
According to the release, TOPPAN engineered a novel testing infrastructure capable of simulating the stratosphere’s unique environment. This new facility simultaneously exposes materials to cryogenic temperatures, shortwave UV rays, and high ozone concentrations. This allows engineers to accurately observe and measure stratospheric degradation mechanisms without needing to launch test flights.
SoftBank played a critical role in this phase by providing real-world stratospheric data gathered from its previous HAPS flight operations. SoftBank supplied exact temperature profiles and UV-C exposure metrics, while also defining the strict weight and aerodynamic performance requirements for the final material.
Commercialization Timeline and Strategic Goals
The companies have outlined a clear roadmap for bringing this technology to market. Throughout fiscal 2027 (ending March 2028), SoftBank and TOPPAN will continue their research to make the current skin material even lighter and stronger. By fiscal 2028, the partners target the establishment of mass-production technology to ensure reliable quality and sufficient supply.
Official commercial services utilizing this new wing skin on SoftBank’s heavier-than-air (HTA) HAPS aircraft are slated to launch in 2029. Additionally, both companies stated they are exploring broader applications for this highly durable material in other industries that require extreme weather resistance.
AirPro News analysis
We view this partnership as a critical indicator of two major industry trends. First, it highlights SoftBank’s comprehensive, dual-track approach to stratospheric infrastructure. While the telecom company invested $15 million in U.S.-based aerospace firm Sceye in June 2025 to deploy lighter-than-air (LTA) airships for pre-commercial services in Japan starting in 2026, this TOPPAN collaboration secures the supply chain for its heavier-than-air (HTA) fixed-wing aircraft targeted for 2029. SoftBank is effectively hedging its bets across different aerodynamic platforms to ensure dominance in the emerging 6G landscape.
Second, this development underscores TOPPAN’s strategic corporate pivot. Historically recognized as a traditional printing and packaging giant, TOPPAN is successfully leveraging its legacy converting and lamination technologies to penetrate high-value, advanced sectors like aerospace materials and digital solutions. By solving a complex aerospace engineering problem with adapted consumer packaging technology, TOPPAN is positioning itself as a vital player in next-generation telecommunications infrastructure.
Frequently Asked Questions (FAQ)
What is a HAPS aircraft?
High-Altitude Platform Stations (HAPS) are uncrewed, often solar-powered aircraft that fly in the stratosphere (around 20 kilometers above Earth). They act as “base stations in the sky,” providing wide-area cellular and internet coverage to the ground below, making them ideal for disaster recovery and connecting remote areas.
Why is the stratosphere so difficult for aircraft materials?
The stratosphere presents a combination of extreme environmental hazards. Materials must survive temperature swings from nearly -100°C to 100°C, intense UV-C radiation that breaks down chemical bonds, and highly concentrated ozone (10-20 ppm) that accelerates material degradation.
Sources
Photo Credit: TOPPAN
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