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:
Oct. 26, 1999

Filed:

Feb. 27, 1998
Applicant:
Inventors:

Masaru Uryu, Chiba, JP;

Kunihiko Tokura, Saitama, JP;

Jun Kishigami, Saitama, JP;

Assignee:

Sony Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
156344 ; 156584 ; 29239 ; 294265 ;
Abstract

The present invention provides an optical disc recycling method for recycling optical disc including at least a light transmitting substrate and at least one metal layer containing a metal such as aluminium and gold provided on one side of the substrate. An adhesive member is adhered to the substrate side having the metal containing layer and the adhesive member adhered to the metal containing layer on the substrate is peeled off so as to separate the metal containing layer from the substrate.


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