Sound absorption method and apparatus

Details Sound absorption method and apparatus Sound absorption method and apparatus

G - Physics

10

K

181/14

G10K 11/04 (2006.01) G10K 11/16 (2006.01)

Patent

CA 1212904

ABSTRACT OF THE INVENTION SOUND ABSORPTION METHOD AND APPARATUS A method of absorbing sound generated within a clean-room environment and the sound-absorbing panel for carrying out that method, wherein said sound absorbing panel comprises a fibrous core material enclosed in a non-porous membrane, said membrane being attached to at least one of the extensive surfaces of said fiberglass core in a series of closed geometric figures. The membrane occupying the central portion of each of said geometric figures defines a diaphragm, the dimensions of the diaphragm being configured such that the lower order natural frequencies of vibration of each of the independent diaphgrams correspond substantially to the frequency range of sound to be absorbed.

454058

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