| 摘要 |
PURPOSE:To obtain an excellent reflection preventive film concurrently provided with an antistatic function by coating and fixing a mixture of specific SiO2 microparticles and an additive consisting of at least one kind of metal salt particles having a hygroscopic property and conductive metal oxide particles, by means of an SiO2 thin film for forming an outdoor light reflection preventive film. CONSTITUTION:An outdoor light reflection preventive film 6, wherein a mixture of SiO2 microparticles 6a having a particle diameter 100-10000Angstrom and an additive consisting of at least one kind of metal salt particles having a hygroscopic property and conductive metal oxide particles are coated and fixed by means of an SiO2 thin film 6b, is formed on a transparent substrate. A particle diameter of SiO2 microparticles is restricted in view of resolution of a picture image and an outdoor light reflection preventive effect, and the lower limit value is decided by the reflection preventive effect and the purposed reflection preventive effect is hard to be obtained under 100Angstrom , on the other hand the upper limit value is decided from the point of resolution so that resolution remarkably drops above 10000Angstrom . Thereby, the reflection preventive effect and also having mechanically strong antistatic property can be obtained. |
