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.

Date of Patent:
Nov. 18, 1997

Filed:

Aug. 06, 1996
Applicant:
Inventors:

John C Brazas, Hilton, NY (US);

David A Roberts, Rochester, NY (US);

Robert J Schomske, Rochester, NY (US);

Assignee:

Eastman Kodak Company, Rochester, NY (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
369112 ; 369 4412 ; 369 4423 ; 369122 ;
Abstract

An optical system including an LDGU having a multi-element grating beam splitter and an optical source with an effective aperture for generating a radiation beam to be applied to a data track of an optical storage medium, an improved LDGU is described. The LDGU includes a baseplate having a plurality of registration pins and defining a plurality of clearance holes; a body having a ring portion which defines a central opening and having a plurality of registration openings; a ceramic header defining alignment openings and having a plurality of contact pins which are aligned to the clearance holes of the baseplate; at least two of the registration pins of the baseplate being aligned in the registration openings in the body and at least two of the registration pins being aligned in the alignment openings in the ceramic header; and a structure for mounting the grating beam splitter and the optical source on the ceramic header.


Find Patent Forward Citations

Brazas, John. (1997). Assembly used for precisely positioning the component parts of a laser (U.S. Patent No. 5689492). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5689492

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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