Patent ID: 8017306

Claim:
A method for producing a conductive film, comprising a metallic silver forming step of exposing and developing a photosensitive material comprising a long support and thereon an emulsion layer containing a silver salt, thereby forming a metallic silver portion to prepare a conductive film precursor, and a smoothing treatment step of subjecting the conductive film precursor to a smoothing treatment to produce a conductive film, wherein the support has a thickness of 95 μm or more, the conductive film precursor is pressed by a first calender roll and a second calender roll facing each other in the smoothing treatment, the first calender roll is a resin roll and is brought into contact with the support, and the method satisfies the condition of 1/2 ≦P 1 /P 2≦1 wherein P 1 represents a conveying force applied when the conductive film precursor is introduced to an area where the smoothing treatment step is conducted, and P 2 represents a conveying force applied when the smoothing-treated conductive film is discharged from the area where the smoothing treatment step is conducted.