Patent · US Expired

Imageable material with radiation absorbing microstructured layers overcoated with photoresist layer

US4426437A · kind A · utility

18Cited by
13References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 29, 1981
Grant dateJan 17, 1984
Priority date
Expiry dateJun 29, 2001

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02E10/40
  • WIPO fieldThermal processes and apparatus
  • WIPO sectorMechanical engineering

Abstract

An imageable article comprising a photoresist layer on a substantially radiation absorbing layer of metal having a microstructured surface characterized by a plurality of randomly positioned discrete protuberances of varying heights and shapes, which protuberances have a height of not less than 20 nanometers nor more than 1500 nanometers, and the bases of which contact the bases of substantially all adjacent protuberances is disclosed. The imageable article is particularly useful in the field of graphic arts.

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