Method and apparatus for acoustic breakthrough detection

Details Method and apparatus for acoustic breakthrough detection Method and apparatus for acoustic breakthrough detection

1989-08-11

1990-10-02

Albritton, C. L.

Electric heating

Metal heating

By arc

21912168, 2191217, 21912183, B23K 2600

Patent

active

049609700

ABSTRACT:
Apparatus for laser processing, such as drilling of a workpiece, optionally has an optical fiber and output coupler for applying laser light to machine a workpiece and cause it to vibrate. An acoustic sensor is mounted on the workpiece, and a determining means, such as a computer, determines when the vibrations change, such as when they cease. The information can be used to change the laser pulse power and duration and the relative distance of the laser focal plane on the workpiece. A method of laser processing a workpiece causes vibrations in the workpiece by applying laser light to it, monitors the vibrations, and determines when they change.

REFERENCES:
patent: 3700850 (1972-10-01), Lumley et al.
patent: 3986391 (1976-10-01), Vahaviolos
patent: 4316467 (1982-02-01), Muckerheide
patent: 4419562 (1983-12-01), Jon et al.
patent: 4504727 (1985-03-01), Melcher et al.

Affiliated with

Also associated with

Rating

Method and apparatus for acoustic breakthrough detection does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method and apparatus for acoustic breakthrough detection, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and apparatus for acoustic breakthrough detection will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-293985