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. 06, 1998
Filed:
Dec. 24, 1996
Applicant:
Inventors:
Alain Bodere, Bruyeres le Chatel, FR;
Daniele Carpentier, Evry, FR;
Assignee:
Alcatel Optronics, Paris, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04S / ;
U.S. Cl.
CPC ...
438 32 ; 438 31 ; 438 29 ; 430321 ; 385 10 ; 372 96 ;
Abstract
A Bragg grating is produced in a semiconductor component by wet etching through a resin mask developed after holographic exposure. This causes the regions of the grating at the boundary of other parts of the component to be etched more deeply. To compensate this, the method includes further irradiation through a second mask disposed at a distance from the part of the resin mask that defines the location of the grating. Applications include opto-electronic components.