A material (1) comprising a plurality of closed cells (5) is provided, the space within each cell being substantially evacuated. This may be achieved by sealing a dimpled film (2) to a sealing film (4) in a vacuum so that each dimple (3) is closed while under vacuum to form an evacuated closed cell.
申请公布号
WO2006129130(A3)
申请公布日期
2007.02.15
申请号
WO2006GB50139
申请日期
2006.06.02
申请人
GENERAL APPLICATIONS FOR SPECIAL MATERIALS LTD;TEW, STEPHEN;HESS-PETERSEN, HENRIK
