Semiconductors Startups

Silicon Line designs and manufactures semiconductor ICs and optical sub-assemblies for high-speed data transmission in cables and display systems. The company serves device makers and manufacturers across consumer electronics, professional imaging, and automotive applications.

2 investors

Silicon Mobility designs semiconductor solutions and software algorithms for electric and hybrid vehicle powertrains, optimizing energy efficiency and extending driving range. The company serves automotive original equipment manufacturers and tier-1 suppliers transitioning to electrification.

2 investors

Waymo develops the Waymo Driver, an autonomous vehicle system that provides ride-hailing services across multiple metropolitan areas. The company operates commercial autonomous mobility services for consumers in major U.S. cities and expanding internationally.

2 investors

Simantic develops hardware simulation software that enables engineers and AI systems to test and debug embedded firmware without physical hardware constraints.

2 investors

SisuSemi provides an atomic-level purification process (ALP) that cleans and orders semiconductor wafer surfaces to remove atomic-scale contaminants and defects, targeting advanced nodes at 3 nm and below. The technology, aimed at semiconductor manufacturers, reduces defect density and leakage current to improve chip performance and manufacturing yield, and integrates into existing production lines.

2 investors

Skorpios Technologies manufactures photonic integrated circuits and provides foundry services for silicon photonics. The company serves telecommunications, data center, and high-speed optical communication markets.

2 investors

SMTC Corporation is a mid-size provider of end-to-end electronics manufacturing services (EMS), including PCBA production, systems integration, testing, enclosure fabrication, product design, sustaining engineering, and supply chain management. It serves global OEMs and emerging technology companies across market segments such as medical, semiconductor, retail and payment systems, test and measurement, industrial and clean tech, telecom, and defense and aerospace.

2 investors

Soctera develops nitride semiconductor power amplifiers that use a thinner semiconductor stack to deliver higher power density and lower operating temperatures for 5G telecom, SATCOM, and radar systems. Spun out of Cornell University's School of Electrical and Computer Engineering, the company targets telecommunications, radar, electronic warfare, and satellite communication networks.

2 investors

SPARK Microsystems develops ultra-wideband (UWB) wireless connectivity technology for applications including Physical AI, XR, audio, gaming, human interface, and IoT devices.

2 investors

Spectre Intelligence is building an AI-driven quantitative trading firm structured as a multi-strategy ("pod shop") hedge fund, where AI agents run and evolve trading strategies while the company deploys its own capital and learns from each trade. It currently operates pods focused on semiconductors and biotech.

2 investors

Symbolic Mind develops a CPU-efficient AI platform designed for corporate infrastructure that reduces computational requirements by over 100x compared to traditional AI models. The platform serves chipmakers, server manufacturers, and data centers seeking to deploy AI without excessive power, cooling, or infrastructure overhaul.

2 investors

Synaptics develops AI and sensing hardware platforms for edge computing applications, including smart cameras and interface technologies. The company serves OEMs, system integrators, and embedded developers building intelligent IoT and industrial devices.

2 investors

SynSense develops brain-inspired (neuromorphic) computing chips and sensing technology for artificial intelligence applications. The company works in the AI semiconductor and deep tech space.

2 investors

Tempress develops and produces diffusion and deposition furnace systems and related processes used to manufacture advanced materials and devices for the semiconductor, power, MEMS, photonics, solar, life sciences, and coating markets. The company also supplies diffusion furnace systems for solar cell mass production and serves customers worldwide.

2 investors

The page describes a board member's background in the semiconductor industry but does not clearly state what Tenxer Labs itself builds or offers.

2 investors

Terecircuits develops materials, polymers, and lithography-based processes for micron-scale assembly and packaging in advanced manufacturing, enabling components smaller than a grain of pollen to be assembled at scale. Its technology targets makers of IoT devices, wearables, augmented/virtual reality, autonomous vehicles, and medical devices.

2 investors

ThirdAI Automation offers a Causal Intelligence Platform for semiconductor manufacturing, using AI agents and a knowledge graph to perform root cause analysis across sensors, imagery, logs, and documentation for fab engineers. The platform connects diagnostics, process intelligence, defect feedback, and resolution workflows, with VPC and on-prem/air-gapped deployment options.

2 investors

TouchNetix develops capacitive touch and force sensing integrated circuits for industrial and automotive applications, addressing use cases where conventional touchscreen technology is insufficient.

2 investors

TransPak provides crating, packaging, and logistics services for high-tech industries, including semiconductor and data center customers, with manufacturing divisions across more than 12 countries. It offers global packaging, custom crating, transportation, warehousing, and freight services.

2 investors

Lumentum designs and manufactures optical and photonic technologies for AI, data centers, telecommunications, industrial manufacturing, and sensing applications. The company produces optical communications components, lasers, and 3D sensing products that enable high-speed data movement and connectivity across cloud infrastructure and networks.

2 investors

Vertical Semiconductor develops vertical gallium nitride (GaN) power semiconductors for next-generation power electronics applications. The company manufactures scalable vertical GaN technologies for data centers and power systems ranging from 40V to over 2.3kV, targeting 50% smaller footprints and 30% higher efficiency compared to conventional solutions.

2 investors

Vexlum is a spin-off from Tampere University of Technology's Optoelectronics Research Centre that develops VECSEL (vertical-external-cavity surface-emitting laser) technology, including optoelectronic materials, scalable manufacturing processes, and application-specific laser systems. Its work covers new laser wavelengths and quantum technology applications.

2 investors

Visibl Semiconductors handles end-to-end custom chip design, verification, and manufacturing for hardware companies in robotics, drones, industrial, and IoT sectors that cannot afford traditional semiconductor development costs.

2 investors

Vocsens develops a gas sensor product called Envicam-30 that uses semiconductor technology with ultra-low power consumption and a matrix of 16 sensing material spots, addressing the cost and maintenance challenges of traditional gas sensing systems.

2 investors