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Ultra-thin Rohacell for smartphone speakers

Rohacell rigid foam has been adopted as a core material for the ultra-thin composite diaphragms in smartphone receiver speakers.

3rd December 2018

Innovation in Textiles
 |  Osaka


A smartphone is equipped with two types of micro-speakers, the companies explain – a loud-speaker and a receive speaker, which deliver sound directly to the ear. Today’s state-of-the-art smartphones deliver high output which can generate increased internal temperatures, so micro speaker diaphragms are now required to have high heat resistance. Miniaturisation of the receiver is also essential.

Read the full article on our Inside Composites website

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