A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
TRANSPARENT SOUND ABSORBING PANELS
A sound absorbing panel and method therefor comprising providing a first sheet of photosensitive material, applying a first mask having a first plurality of features to the first sheet of photosensitive material, exposing the masked material to ultraviolet light, heating the first sheet of photosensitive material to form crystals in exposed portions of the first sheet, and etching the crystals to form a second plurality of features in the first sheet of photosensitive material.
TRANSPARENT SOUND ABSORBING PANELS
A sound absorbing panel and method therefor comprising providing a first sheet of photosensitive material, applying a first mask having a first plurality of features to the first sheet of photosensitive material, exposing the masked material to ultraviolet light, heating the first sheet of photosensitive material to form crystals in exposed portions of the first sheet, and etching the crystals to form a second plurality of features in the first sheet of photosensitive material.
TRANSPARENT SOUND ABSORBING PANELS
BORRELLI NICHOLAS FRANCIS (author) / SHI ZHIQIANG (author)
2015-09-24
Patent
Electronic Resource
English
IPC:
E04B
Allgemeine Baukonstruktionen
,
GENERAL BUILDING CONSTRUCTIONS