Patent ID: 11923218
Assignee: TOKYO ELECTRON LIMITED
Field: Semiconductors (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A development processing apparatus comprising:
a substrate holder configured to hold a substrate horizontally, the substrate including a resist film formed thereon;
a rotator configured to rotate the substrate holder around a vertical axis;
first and second developer supplies each configured to supply a developer to the substrate held by the substrate holder; and
a liquid receiver configured to receive the developer from the substrate held by the substrate holder,
wherein the first developer supply has a length smaller than a diameter of the substrate in a plan view,
the second developer supply has a length equal to or larger than the diameter of the substrate in a plan view,
the liquid receiver includes first and second annular walls each formed in an annular shape having a circular opening having a diameter larger than the diameter of the substrate in a plan view,
the second annular wall is provided above the first annular wall,
each of the first and second annular walls is configured to be movable up and down independently of each other, and
a vertical distance between the first annular wall and the second annular wall is variable.