Apparatuses and methods for applying an indelible and...

Details Apparatuses and methods for applying an indelible and... Apparatuses and methods for applying an indelible and...

B - Operations, Transporting

23

K

B23K 26/02 (2006.01) B41M 5/24 (2006.01) C23C 14/04 (2006.01)

Patent

CA 2379397

Methods and apparatus are provided to apply permanent identification markings onto transparent carriers using laser induced vapor deposition technology. This is accomplished by vaporizing material from a marking media carried by a substrate using the heat generated from a laser and transferring the marking material onto a transparent carrier, the markings are dectectable using an optical reader or sensing device like x-ray, thermal imaging, ultrasound, magneto-optic, micro-power impulse radar, capacitance, or other similar sensing means.

L'invention porte sur des procédés et appareils permettant d'appliquer des marquages d'identification permanents sur des supports transparents à l'aide d'une technique de métallisation sous vide induite par laser. A cet effet on vaporise un matériau de marquage porté par un substrat avec la chaleur produite par un laser, puis on transfert le matériau de marquage sur le support transparent. Les marquages peuvent être détectés à l'aide d'un lecteur optique ou de dispositifs de détection tels que: à rayons X, à imagerie thermique, à ultrasons, magnéto-optiques, à radar à impulsion de micropuissance, à capacité, ou analogues.

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