Patent · US Expired

Inductive depth sensing and controlling method and system for laser drilling

US5059761A · kind A · utility

12Cited by
9References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 21, 1990
Grant dateOct 22, 1991
Priority date
Expiry dateDec 21, 2010

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB23K26/389
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

Laser drilling and real-time sensing and control of hole depth by the provision of magnetic field jack-up coils located around or to the side of a laser beam, in a stream of ionized plasma, and the coils are connected to a depth detector and comparator to halt laser drilling at a desired depth.

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