3m Innovative Properties Company

Thomas Herdtie

Thomas P Hanschen

Ronald W Gerdes

Jonathan H Alexander

Georg Eichhorn

Taewook Yoo

A multilayer damping material for damping a vibrating surface comprising: at least one constraining layer; at least one dissipating layer; and at least one kinetic spacer layer comprising multiple spacer elements. The kinetic spacer layer is arranged between the constraining layer and the vibrating surface, when used for damping the vibrating surface. Each spacer element has opposite ends. At least one end of each of the multiple spacer elements is embedded in, bonded to, in contact with, or in close proximity to the dissipating layer, such that energy is dissipated within the multilayer damping material, through movement of the at least one end of each of the multiple spacer elements.

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Inver Grove Heights, MN, United States of America

Thomas Herdtie