Yenziwe ngokongeza umaleko wefoyile yesinyithi kwisiseko sefilimu ngokugquma kunye ne-vacuum evaporation. Ubukhulu bealuminiyam anodized ngokubanzi (12, 16, 18, 20) μ m. I-500 ~ 1500mm ububanzi.I-foil yesitampu eshushu yenziwa ngokukhupha umaleko, umaleko wombala, i-aluminiyam yokucoca kwaye emva koko igqume ifilimu kwifilimu, kwaye ekugqibeleni ibuyisela umva imveliso egqityiweyo.