Patshegen IP LLC
Sound-absorbing material, sound-absorbing particle and speaker module manufacturing process, particle and module
The present invention relates to the technical field of electroacoustic products, and discloses sound-absorbing material, sound-absorbing particle, speaker module manufacturing processes, a particle and a module. The process comprises the following steps: placing a raw powder of a porous sound-absorbing material into a heating furnace to perform calcination, and introducing a processing gas during the calcination, wherein the calcination temperature is 120° C. to 800° C., and the calcination time is 6 h to 72 h.
GOERTEK INC.
G C H H C C
G10K C01B H04R H04R C01B C01B
inventional inventional inventional additional inventional inventional
Jinli Xiaodong
Liu Cao