Diaphragm for miniature sound generating device and miniature sound generating device

摘要

The present invention discloses a diaphragm for a miniature sound generating device and a miniature sound generating device. The diaphragm for the miniature sound generating device is made of a polyacrylate copolymer, a reinforcing agent is mixed in the polyacrylate copolymer, the mass fraction of the polyacrylate copolymer itself is 100 parts, and the reinforcing agent is carbon black, and at least one of silicon dioxide, calcium carbonate and barium sulfate, and the mass fraction of the reinforcing agent itself is 1-90 parts. The diaphragm provided by the present invention has better acoustic performance.