![]() Thin-Films Research Thin-Films Research is a company that manufactures optical filters and thin-film sensor products. | ![]() Coursen Coating Labs Coursen Coating Labs is a manufacturer of vacuum-deposited and sputtered coatings for UV, visible, and IR applications. | ![]() Philtec Philtec is a company engaged in the design and manufacture of reflective type fiber optic sensor systems for measuring linear distance, displacement, and vibration. | |
Founding Date | Founding Date 1988 | Founding Date 1967 | Founding Date 1985 |
Type | Type Private | Type Private | Type Private |
Tags | |||
Locations | Locations Westford, US HQ | Locations Costa Mesa, US HQ | Locations Annapolis, US HQ |
Employees | Employees 4 | Employees 4 | Employees 9 |

Coursen Coating Labs is a manufacturer of vacuum-deposited and sputtered coatings for UV, visible, and IR applications.
View company
Philtec is a company engaged in the design and manufacture of reflective type fiber optic sensor systems for measuring linear distance, displacement, and vibration.
View company