About ESI

ESI has been in business since 1986 with a focus on serving the semiconductor industry and Gasonic Asher Equipment . From consulting fabs in Europe on device yield improvement to refurbishing AMAT and LAM tools for customers. ESI has broad experience with Plasma Asher, Plasma Resist Strip, and Etch tools. Offering services and technical support in Semiconductor, MEMS, Biomedical, Nanotechnology & LED industries.  We have become the industry leader in remanufactured Gasonics L3510 Asher equipment.

To achieve this, we have been providing unique innovative upgrades and cost-effective technical solutions, high quality equipment and on time spare parts delivery worldwide.  We have maintained a global presence that has grown and expanded into the major high-tech manufacturing areas of the world. 

We understand that a timely responsive support and outstanding service are critical elements in the semiconductor industry. ESI’s experienced engineer team is the best guarantee for high quality service and support.  We provide on-site installation, training, maintenance, system optimization, retrofits, and customized upgrades.

We manufacture and test all our products in our Class 100 certified cleanroom.

All of our equipment goes through a series of rigorous full process tests which are documented, standardized, and certified by performance and reliability standards to ensure the highest quality. All our systems and sub systems are manufactured in the USA using all new parts. Our existing customers always come back to us because of the high quality and outstanding customer service we provide.

Wafer, Asher, Gasonics, Semiconductor

Mission Statement


Our goal is to provide unique Innovation for Optimized Equipment Performance.  We’re dedicated to finding solutions that increase yield, improve uptime, reduce maintenance costs, lower overall cost of ownership and extend the life cycle of your equipment.