Claims
- 1. In a method for cutting metals using a laser, the improvement comprising generating a pulsed beam of laser radiation having a wavelength of 1.06 microns, a pulse width of from about 0.2 milliseconds to about 4 milliseconds, a pulse repetition rate of from about 10 pulses per second to about 400 pulses per second, an energy per pulse of from about 2 joules to about 70 joules such that the product of pulse repetition rate and energy per pulse is from about 50 watts to about 800 watts.
- 2. The method of claim 1 wherein the metal to be cut is copper and has a thickness at the point to be cut of about 0.5 inches.
- 3. The method of claim 1 wherein the metal to be cut is titanium having a thickness of about 2 millimeters where cutting is to occur and the cut is made without discoloration of the metal at the edges adjacent the cut.
Parent Case Info
This is a division of application Ser. No. 367,286, filed on June 15, 1989.
US Referenced Citations (1)
Number |
Name |
Date |
Kind |
4356376 |
Komanduri et al. |
Oct 1982 |
|
Divisions (1)
|
Number |
Date |
Country |
Parent |
367286 |
Jun 1989 |
|