Electric heating – Metal heating – By arc
Patent
1993-08-24
1996-09-03
Paschall, Mark H.
Electric heating
Metal heating
By arc
21912185, 21912161, 21912174, B23K 2600, B23K 2618
Patent
active
055525741
ABSTRACT:
Disclosed is a method for the marking of particulars on a connector of a card called an electronic chip card, said connector having metal contacts with a given thickness. Said method comprises a step consisting of the etching, with a laser beam, of said particulars in the thickness of the metal contacts of the connector. Application to the marking of chip cards, bank cards, telephone cards etc.
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"Beschriften mit Laserstrahlen", Feinwerktechnik & Messtechnik, F. Tuma, Jul. 1988, vol. 96, No. 7-8, pp. 308-310.
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Coiton Gerard
Merlin Pierre
Gemplus Card International
Paschall Mark H.
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