Semiconductors Startups

DJ MicroLaminates develops thin and thick dry film photoresist materials that let semiconductor and electronics device manufacturers build smaller electronic devices, including applications in MEMS, wafer level packaging, and high aspect ratio structures. It serves universities, research centers, consumer and medical device makers, and chipmakers as a supplier of advanced photosensitive materials.

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Femtometrix develops optical metrology systems using patented Harmonic series technology to detect non-visual surface, buried, and structural defects. The company serves semiconductor manufacturers and equipment users globally with defect inspection tools.

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FormFactor manufactures semiconductor test and measurement equipment, including probe systems, probes, probe cards, and quantum cryogenic and thermal management tools used to validate integrated circuits from lab to volume production. It serves industries such as computing, communications, automotive, energy, and aerospace and defense across applications like logic, memory, 5G, advanced packaging, silicon photonics, and quantum.

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Green Source Holdings is an Austin-based holding company that identifies, builds, and scales technology companies focused on resource efficiency and disruptive innovation. Its portfolio targets edge AI, robotics, defense, and energy markets, with companies such as Octavo Systems building System-in-Package computing modules.

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HexaTech develops and commercializes aluminum nitride (AlN) semiconductor material, using a proprietary crystal growth process to produce single-crystalline AlN boules and substrates with far fewer defects than competing technologies. Its substrates support the fabrication of high-Al-content AlGaN and other III-nitride semiconductor devices.

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Ideal Power develops B-TRAN, a patented bidirectional high-voltage power semiconductor switch offering low conduction losses and native bidirectional operation. Its technology is used in solid-state circuit breakers, static transfer switches, and battery disconnect units for data centers, energy storage systems, the energy grid, and EV charging infrastructure.

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Indiana Integrated Circuits (IIC) develops and licenses Quilt Packaging, a patented chip-interconnect technology that connects separate dies along their edges to build system-in-package assemblies for RF, microwave, digital, power, biomedical, and optical electronics. It also offers custom micro- and nano-fabrication, prototyping, and testing services to electronics researchers and manufacturers.

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Injectsense develops implant-based digital health systems that use semiconductor technology to provide medical staff with continuous long-term monitoring data for therapy management, with an ophthalmology focus including eye-pressure markers. The company combines ultra-low power IC design, telemetry, and miniaturization with medical device and software expertise.

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InspireSemi designs high-performance, energy-efficient accelerated computing chips for AI, HPC, and graph analytics workloads across industries including defense, financial services, and drug discovery. The company is based in Austin, Texas and uses a fabless model with outsourced manufacturing partners.

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Inspirit IoT develops Xcelo, a chip-agnostic, general-purpose high-level synthesis (HLS) tool for designing FPGA hardware, including machine-learning IPs and IP integration. The tool targets hardware designers, offering higher design productivity than traditional RTL workflows through LLVM IR and polyhedral model-based optimizations.

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Interlink develops sensing technologies based on its patented Force Sensing Resistor technology, spanning position sensing, rugged pointing controls, gas sensing, printed electronics, smart textiles, membrane keypads, and graphic overlays. It supports custom human-machine interface device programs across the sensing stack, electronics, mechanical packaging, firmware, software, and manufacturing readiness.

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Intrinsiq Materials develops and sells specialized metal-based inks and pastes designed for photonic, laser, and thermal sintering processes, serving applications in electronics manufacturing, solar cells, and semiconductor production. The company offers copper inkjet inks and screen pastes compatible with standard printing equipment, along with developmental nickel silicide and silicon inks for advanced applications.

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IXRF Systems manufactures silicon drift detectors and related analytical instruments for scanning electron microscopes, enabling elemental analysis and X-ray fluorescence mapping across research, manufacturing, and quality assurance applications.

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KemLab manufactures photoresist materials for electronics and semiconductor manufacturing, serving both North American and international markets. The company specializes in imaging materials for applications including integrated circuits, MEMS, microfluidics, advanced packaging, and sensors.

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Klar Scientific builds compact spectroscopic mapping microscopes that perform photoluminescence and Raman measurements from the deep UV to near IR, with a universal optical design and user-replaceable wavelength kits for research and wafer-level materials and device analysis. The company also offers PL/Raman measurement services and spectral data-analysis software for scientific labs.

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Laser Photonics provides wafer marking and serialization solutions for semiconductor manufacturing using fiber, CO2, and frequency-tripled laser systems. Their offerings range from handheld Class IV models to automated enclosed Class I systems designed for processing silicon, sapphire, crystal, and other materials.

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Lightning Silicon Technology designs and produces OLED microdisplays, silicon backplane wafers, and all-plastic Pancake optics for AR/VR/MR headsets and display modules. The company, a spin-out of Kopin Corporation, supplies these components to OLED foundries and headset manufacturers.

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Lightwave Logic develops proprietary electro-optic polymers and modulator materials designed to increase data transmission speeds and reduce power consumption in AI and data center infrastructure. The company targets next-generation internet infrastructure serving data center operators deploying generative AI applications.

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Atomera develops Mears Silicon Technology (MST), a patented quantum-engineered material that enhances transistors by adding partial monolayers of oxygen to silicon for faster, more controlled electron movement and better dopant diffusion control. The company licenses this technology and provides integration engineering support to semiconductor manufacturers for applications including mobile phones, 5G, IoT devices, DRAM, and image sensors.

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Mixed-Signal Devices builds an all-digital, CMOS-based precision timing platform, including oscillators and clock-generation technology, that replaces legacy analog clock chains with multi-gigahertz timing and sub-20 femtosecond jitter. Its clocks target AI infrastructure and GPU fabrics, 5G base stations, and automotive systems such as radar and ADAS.

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Mobix Labs designs 5G wireless and advanced communication technologies, including switches, beamformers, frequency converters, RF components, and electromagnetic interference shielding and filtering for critical systems in demanding environments. It operates through several product groups (including EMI Solutions and Rage Systems) serving defense and industrial customers worldwide.

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Molecular Vista builds nano-IR microscopes (the Vista series/VistaScope) using photo-induced force microscopy (PiFM) and photo-induced force IR spectroscopy (PiF-IR) for nanoscale chemical analysis. It sells these instruments and offers contract analysis services to researchers working in materials science, chemistry, physics, and semiconductor analysis.

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Onto Innovation provides process control solutions for the semiconductor industry, including inspection, metrology, lithography, and software. It serves semiconductor manufacturers across the value chain, including in advanced packaging.

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NantOptiFab produces thin film lithium niobate (TFLN) and silicon wafers in-house and fabricates photonic chips and devices for telecom, AI interconnects, defense, and quantum applications. The company operates its own electro-optics fabrication facilities in California with a fully US-based supply chain.

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