The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 09, 2000
Filed:
Aug. 11, 1997
Applicant:
Inventor:
Kristian Hohla, Vaterstetten, DE;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
A61N / ;
U.S. Cl.
CPC ...
606-5 ; 606-3 ; 606 10 ;
Abstract
The apparatus and the method of ablating matter from a substrate using a laser, an optical system, and a screen arranged within the beam path of the laser. A laser spot is formed which exhibits light and dark sections. By adjusting the screen before each laser pulse, the entire surface area of the laser spot is subjected to the same number of laser pulses.