Preparation of sheet-like polyethylene terephthalate materials h

Details Preparation of sheet-like polyethylene terephthalate materials h Preparation of sheet-like polyethylene terephthalate materials h

1993-07-29

1995-05-23

Vargot, Mathieu D.

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

Agglomeration or accretion

216 65, B29C 5916, C08J 328

Patent

active

054178967

ABSTRACT:
Sheet-like PET materials having slight surface roughness consisting of fine dot patterns in the submicron range are produced by double successive exposure of the surfaces to polarized UV light produced by a pulsed excimer laser and having planes of polarization arranged at an angle of from 20.degree. to 90.degree. relative to one another, and the PET films treated in this manner are used as a substrate for thin ferromagnetic metal layers.

REFERENCES:
patent: 4417948 (1983-11-01), Mayne-Banton et al.
patent: 4868006 (1989-09-01), Yorkgitis et al.
patent: 5175043 (1992-12-01), Yabe et al.
Applied Physics Letters 57(8) Aug. 20, 1990, pp. 765-767.
Applied Physics Letters 55(5) Jul. 31, 1989, pp. 510-512.
App. Phys. Letters, vol. 60, No. 6, Feb. 10, 1992, pp. 674-676.
J. of App. Phys., vol. 73, No. 7, Apr. 1, 1993, pp. 3516-3524.

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