Patent · US Expired

Holography apparatus, method and product

US6549309B1 · kind B1 · utility

8Cited by
22References
50Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 10, 1998
Grant dateApr 15, 2003
Priority date
Expiry dateFeb 10, 2018

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03H2260/62
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

Holographic patterns are produced by utilizing a laser to illuminate a workpiece with an interference pattern, with sufficient laser power to ablate the workpiece where it is illuminated by the laser, and moving the workpiece and the interference pattern relative to each other.

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