wafer processing

AdTech Photonics designs, engineers, and manufactures mid-infrared semiconductor lasers based on Quantum Cascade technology at its City of Industry, California facility. The company focuses exclusively on mid-infrared lasers and system integration for defense, environmental, and medical applications, and holds ISO 9001:2008 certification achieved in 2015.

chip packagingclean room fabricationfacet coatinglaser reliability testinglaser testingmask design using AutoCADMOCVD semiconductor fabricationSPC methodologywafer characterizationwafer growth

Advanced International Technology LLC specializes in back-end wafer processing, dicing, micro-assembly, and fabrication services, with a focus on prototyping and small to medium builds. The company performs dicing for substrate materials and offers wire bonding approaches including wedge bonding, ball bonding, and die bonding for customized assembly of microelectronics. Its solutions serve applications in data storage, biotechnology, MEMS, and nanotechnology.

ball bondingdicingdie bondingengineeringfabricationmicro-assemblyprecision machiningwedge bonding

AXT, Inc. (NASDAQ: AXTI) is a material science company that develops and manufactures high-performance compound and single element semiconductor wafer substrates comprising indium phosphide (InP), gallium arsenide (GaAs), and germanium (Ge). Founded in 1986 and publicly listed since 1998, AXT pioneered the Vertical Gradient Freeze (VGF) crystal growth technique. It is headquartered in Fremont, California, with manufacturing through its wholly-owned subsidiary Tongmei in China.

crystal growthISO 9001 and IATF 16949 certified processesVertical Gradient Freeze (VGF) crystal growth

Carbon Technology, Inc. is developing next generation semiconductor solutions based on carbon nanotubes, aiming to improve the trade-off between speed and power while delivering robustness. Founded in 2014 by a team that previously developed carbon nanotube FETs operating at 10 GHz and above, the company does wafer processing for customers with and without nanotubes for research, rapid prototyping and production.

chemical vapor depositionelectrical/RF testinglithography down to 30 nmmask/device designmetal and dielectric deposition (CVD, LPCVD, PECVD, ALD, sputter, e-beam evaporation)microscopy (SEM, Raman, AFM, TEM)selective synthesis of carbon nanotubeswet and dry etch

Cost Effective Equipment designs and manufactures precision spin coating and wafer processing equipment for semiconductor fabrication and advanced materials development. Established in 1987 as a division of Brewer Science, Cee emerged as an early leader in spin coating systems and has operated independently since 2017. All Cee equipment is engineered, assembled, and supported in the United States, with global distributors and technical support for research and production environments.

bakingbonding and debondingdevelopingequipment design and manufacturingspin coating

Entegris is a global leader in advanced materials science, providing science-based solutions for contamination control, fluid management, specialty materials, and substrate handling to help customers solve advanced manufacturing and technology challenges, particularly in semiconductor and microelectronics industries.

advanced materials scienceanalytical serviceschemical deliverycoating technologiesgas filtrationliquid filtrationPECVD coatingsrefurbishment servicesregeneration services