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SAE Magnetics (H.K.) Ltd is the largest independent manufacturer of magnetic recording heads for hard disk drives being used in computers and increasingly, in consumer electronics such as digital video recorders, MP3 players, or even mobile phones. Headquartered in Hong Kong, SAE was founded in 1980, and it became a wholly-owned subsidiary of TDK Corporation in 1986.

With its global technology teams in areas covering every aspects of magnetic recording heads including magnetic materials, magnetic multi-layer and head structures, wafer fabrication and ultra-precision manufacturing technologies, SAE is committed to deliver state-of-the-art magnetic recording technologies to the disk drives industries.



The manufacturing of SAE begins from wafer fabrication that fabricates magnetic recording heads with magnetic multi-layer structures in nanometer regime. While the wafer fabrication of SAE takes place mainly in Japan and the United States, the bulk of it’s manufacturing in which wafers of magnetic recording heads are assembled into head sub-assemblies, namely Head Gimbal Assembly (HGA) and Head Stack Assembly (HSA), are based in two modern facilities located in Dongguan, PRC.

Founding on the core competence established in the business of magnetic recording heads, SAE has made successful business diversification to contract manufacturing of optical communication components (OCC) beginning from 2000. With the acquisition of a spin-off company in the development of photonic packaging technologies from the Applied Science & Technology Research Institute of the HKSAR in 2004, SAE is now full-fledged from development to manufacture in its business of optical components.
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