Mottay et al., 2008 - Google Patents
Industrial ultrafast internal engraving laser system for anti-counterfeiting applicationsMottay et al., 2008
View PDF- Document ID
- 11833138848759433305
- Author
- Mottay E
- Kupisiewicz A
- Detroux G
- Costet X
- Simmons A
- Vivarelli U
- Lemaire P
- Lopez J
- Publication year
- Publication venue
- Commercial and Biomedical Applications of Ultrafast Lasers VIII
External Links
Snippet
We report on an industrial ultrafast laser system for internal marking and engraving of transparent materials. Current engraving techniques, using nanosecond infrared or UV laser, are either limited to surface marking, or create thermal stress which can lead to …
- 239000000463 material 0 abstract description 24
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
- G09F3/02—Forms or constructions
- G09F3/0291—Labels or tickets undergoing a change under particular conditions, e.g. heat, radiation, passage of time
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