Not exact matches
The devices, made from
transparent and
flexible carbon nanotube
films, don't require any of the bulky magnets and sound cones of conventional speakers.
It looks like a small piece of
transparent film with tiny engravings on it, and is
flexible enough to be bent into a tube.
Barrier
film - a
flexible transparent film to cover materials involved in organic electronics, protecting them from exposure to oxygen and water vapour, allowing them to remain non-rigid and extending their life span considerably.