![]() 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. | East Tender Optoelectronics East Tender Optoelectronics (EOC, 東典光電科技股份有限公司) is a company specializing in optical filters and components for optics, photonics, and optical communication. | ![]() 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 2000 | Founding Date 1985 |
Type | Type Private | Type Private | Type Public | Type Private |
Tags | ||||
Locations | Locations Westford, US HQ | Locations Costa Mesa, US HQ | Locations Yilan, TW HQ | Locations Annapolis, US HQ |
Employees | Employees 4 | Employees 4 | Employees 127 | Employees 9 |

Coursen Coating Labs is a manufacturer of vacuum-deposited and sputtered coatings for UV, visible, and IR applications.
View companyEast Tender Optoelectronics (EOC, 東典光電科技股份有限公司) is a company specializing in optical filters and components for optics, photonics, and optical communication.
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Philtec is a company engaged in the design and manufacture of reflective type fiber optic sensor systems for measuring linear distance, displacement, and vibration.
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