Patent · US Expired

Dry resist

US5648159A · kind A · utility

40Cited by
18References
13Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 12, 1995
Grant dateJul 15, 1997
Priority date
Expiry dateJun 12, 2015

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31786
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

The disclosure describes a dry resist comprising: a biaxially oriented laminated polyester film whose surface layer on at least one side contains particles having an average particle diameter of 0.01 to 3.0 .mu.m, and has a center line average roughness of not less than 0.005 .mu.m and a maximum height of less than 1.5 .mu.m, and which has a haze of not more than 1.5%; a photoresist layer formed on said biaxially oriented laminated polyester film; and a protective film formed on said photoresist layer.

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