Beam or wave front
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 26, 2005
Grant Date -
Sep 25, 2003
app pub date -
Mar 11, 2003
filing date -
Mar 18, 2002
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An improved beam for use in ablating a surface to be processed. The improved beam front has a profile with a plurality of undulation and the plurality of undulations define a plurality of annular peaks and annular valleys. An intensity of each annular peak is about 10 percent greater than an intensity of each annular valley whereby the undulation of the improved beam facilitates formation of a substantially uniform feature in the surface to be processed. A method of utilizing an improved beam to form the desired feature in a surface to be processed is also disclosed. To reduce energy losses, a fourier transform is performed on the supplied laser beam. Before striking the surface, this beam passes through a focusing lens which performs a reverse fourier transform and retransforms the wave front substantially back to its originally wave form and intensity.
First Claim
Other Claims data not available
Family
International Classification(s)
- 2003 Application Filing Year
- B23K Class
- 1190 Applications Filed
- 515 Patents Issued To-Date
- 43.28 % Issued To-Date
