thin film
a layer of material ranging from fractions of a nanometer to several micrometers in thickness
Pellicle mirror
thin plastic membrane which may be used as a beam splitter or protective cover in optical systems
Rollin film
30 nm-thick liquid film of superfluid helium
superfluid film
thin layer of liquid in a superfluid state
tear film
film of tears on the eyeball
transparent conducting film
Optically transparent and electrically conductive material
film base
Layer in photographic film