COHR vs TER Comparison

Coherent Corp is a vertically integrated manufacturing company that develops, manufactures, and markets lasers, transceivers, and other optical and optoelectronic devices, modules, and systems, as well as engineered materials, for use in the communications, industrial, instrumentation, and electronics markets. Its reporting segments are Datacenter Communications and Industrial. Its geographic areas are North America, Europe, China, Japan, and the rest of the world.

Teradyne provides testing equipment, including automated test equipment for semiconductors, system testing for hard disk drives, circuit boards, and electronics systems, and wireless testing for devices. The firm entered the industrial automation market in 2015 and sells collaborative and autonomous robots for factory applications. Teradyne serves numerous end markets and geographies, directly and indirectly, through its products, but its most significant exposure is to semiconductor testing. Teradyne serves vertically integrated, fabless, and foundry chipmakers with its equipment.