Ontos Equipment Systems INC
ONTOS manufactures atmospheric plasma systems for surface preparation, using patented equipment that enables oxidizing or reducing chemistry without modification. The company's ONTOS system is a semiautomated device featuring interchangeable plasma heads in widths of 25mm, 40mm, or 100mm, with programmable control and a vacuum chuck that accommodates chips up to 8-inch wafers. The equipment serves applications including chip-to-chip interconnect bonding, surface activation for direct bonding and adhesive bonding, and contamination removal, and is CE certified.
Their plant
| Facility | City | State | Employees | Status |
|---|---|---|---|---|
| Ontos Equipment Systems INC | Chester | NH | — | ACTIVE |
Compiled from federal records — EPA, OSHA, SAM.gov and the U.S. Census — and from the company’s own website. Federal source data is public domain. Each plant’s page names the source of every field.


