Patent ID: 7119026

Claim:
A pattern formation substrate on which a predetermined pattern is formed by discharging droplets onto a target surface thereof, the pattern formation substrate comprising: a first surface containing the target surface comprising a first area and a second area forming a pattern comprising a line of width L, the first area being formed such that a droplet thereon exhibits a first contact angle between the droplet and the first area, the second area being formed such that a droplet thereon exhibits a second contact angle between the droplet and the second area, wherein; when the droplet is landed onto the target surface such that part of the droplet is in the first area, and part of the droplet is in the second area, which is adjacent to the first area, the second contact angle is smaller than the first contact angle, and equation (1) is satisfied, D≦L×{ 1+2(cos θ 2 −cos θ 1 )} (1) where D is a droplet diameter, θ 1 is a first contact angle, and θ 2 is a second contact angle.