Patent ID: 6191385
Filing Date: 2001-02-20
Classification: B23K,C21D

Abstract:
An apparatus for laser shock processing in which a pulse of coherent energy is directed to a workpiece to create a shockwave therein, the pulse of coherent energy having physical characteristics including an energy, a temporal profile, and a spatial profile, the apparatus comprising:a transparent overlay material, said transparent overlay material applied to the workpiece;at least one processing value;a laser operatively associated with said energy transparent overlay material, said laser operable to direct the beam of coherent energy;at least one monitor operatively associated with each said at least one processing value, each said at least one monitor generating a respective monitor signal;a respective preset value corresponding to each said monitor signal; anda monitor controller operatively associated with at least one monitor signal and said laser, said monitor controller comparing said monitor signal to a respective preset value, said monitor controller generating a control signal if said monitor signal is not within a predetermined range of said respective preset value.