Patent · US Expired

Developing method and developing apparatus

US6241403A · kind A · utility

23Cited by
5References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 14, 1999
Grant dateJun 5, 2001
Priority date
Expiry dateMay 14, 2019

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03F7/3021
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A developing method comprising, a step of holding a substrate in substantially a horizontal position, the substrate coated with a photoresist film which has a pattern-exposed region where a predetermined circuit pattern is formed by light exposure, and a step of developing the photoresist film by starting to apply, at a time, a developing solution to the entire pattern-exposed region of the photoresist film.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.