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:
Jan. 10, 1989
Filed:
Jun. 09, 1987
Applicant:
Inventors:
George P Watson, Plainfield, NJ (US);
Kathleen Meehan, Somerville, NJ (US);
Assignee:
Lytel Corporation, Somerville, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ; B44C / ;
U.S. Cl.
CPC ...
156647 ; 156649 ; 156651 ; 1566611 ; 156662 ; 252 794 ;
Abstract
Integrated lenses are fabricated on LED devices by chemical etching mesas through mask openings which are non-circular. The mask is removed and the mesas are then etched to form spherical lenses.