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:
Oct. 26, 2004
Filed:
Mar. 30, 2001
Applicant:
Inventors:
John Gary Sousa, Hollis, NH (US);
Steven Stoltz, Nashua, NH (US);
Assignee:
Presstek, Inc., Hudson, NH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01S 5/00 ;
U.S. Cl.
CPC ...
H01S 5/00 ;
Abstract
A laser-diode structure whose output is largely single-mode utilizes a ridged top layer that defines an amplification region within an underlying emission layer, and which is provided with grooves that suppress the higher modes.