Patent ID: 7604904

Claim:
A pellicle for lithography comprising a pellicle film, a pellicle frame to which the pellicle film is adhered, and a sticking layer placed on another end face of the pellicle frame, wherein the pellicle film consists of multi-layer structure of fluorine-doped silica and fluorocarbon resin thereby supplementing the strength of the pellicle film; wherein an absorption coefficient of an ultraviolet ray at a wavelength of 157 nm of a layer of the fluorocarbon resin of the pellicle film is 0.06/μm or less; and wherein a thickness of a layer of the fluorine-doped silica is 20 μm or less, and a thickness of the layer of the fluorocarbon resin is 0.8 μm or more and 1 μm or less.