What does COS stand for?

Chip on Submount

This definition appears very rarely and is found in the following Acronym Finder categories:

Science, medicine, engineering, etc.

Other Resources:

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Chemical Operation Specialist Chicks on Speed (band) Chief of General Staff (Israel) Chief of Safety Chief of Staff Chief of Station (CIA) Chief of Supply Chiefs of Service (hospitals) Chimie Organique de Synthèse (French: Synthetic Organic Chemistry) China Oilfield Services Ltd		Chip Operating System Church Of Satan Church of Scientology Church of Scotland Church Of the Savior Citizens for Open Space (various locations) City of Sails (Barbershop Chorus, Auckland, New Zealand) City of Saskatoon (Canada) Civilian Occupational Specialty Class Of Service

Samples in periodicals archive:

Its lineup is composed of a bare chip, an arrayed chip, a Chip On Submount (COS) and a Transmitter Optical Sub Assembly (TOSA) and would satisfy a variety of customers' demands.

Furukawa Electric Debuts Semiconductor Lasers for Information and ...

The Genoa G231 Linear Optical Amplifier is available immediately to original equipment manufacturers in a chip on submount configuration.

NEC Incorporates Genoa's New, Second-Generation Linear Optical ...