Patent · US Expired

Laser scribing method

US4970368A · kind A · utility

32Cited by
8References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 6, 1989
Grant dateNov 13, 1990
Priority date
Expiry dateApr 6, 2009

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S438/94
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

In a method of making an electronic device having at least a transparent conductive layer, which includes at least a step of forming a transparent conductive layer member and a step of forming a transparent conductive layer by patterning the transparent conductive layer member using a spot-shaped or linear laser beam or beams, each of which has a short wavelength of 400 nm or less and optical energy greater than the optical energy band gap of the transparent conductive layer.

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