Optical recording disc recycling method

Details Optical recording disc recycling method Optical recording disc recycling method

1998-02-27

1999-10-26

Osele, Mark A.

Adhesive bonding and miscellaneous chemical manufacture

Differential fluid etching apparatus

With microwave gas energizing means

156584, 29239, 294265, B32B 3500

Patent

active

059721596

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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patent: 5785795 (1998-07-01), Ryan et al.
patent: 5830306 (1998-11-01), Hinson, II

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