| 摘要 |
The invention relates to a substrate (30) coated on one face (31) with a thin-film multilayer (34, 35, 36) containing at least one metal functional film (140, 180, 220) based on silver or made of silver having a thickness e comprised between 7 nm and 20 nm inclusive of these values, and two antireflection coatings (120, 160, 200, 240), said antireflection coatings each comprising at least one antireflection film (124, 164, 204, 244), said functional film (140) being placed between the two antireflection coatings (120, 160), characterised in that said multilayer comprises an upper discontinuous metal film (167) having a thickness e' comprised between 0.5 nm and 5 nm inclusive of these values, said upper discontinuous metal film (167) being located above the only or the last metal functional film (140, 180, 220) as counted starting from said face (31). |
