Patent · US Expired

Multi-layer laser transfer film for the permanent labeling of components

US7311954B2 · kind B2 · utility

13Cited by

9References

16Claims

0Family size

Assignee

tesa AG · DE

Inventors

Arne Koops · Mölln, DE
Sven Reiter · Hamburg, DE

Key dates

Filing date	Feb 25, 2003
Grant date	Dec 25, 2007
Priority date	—
Expiry date	May 10, 2024

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/24942
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

The invention relates to a multi-layer laser transfer film for the permanent labeling of components, comprising at least one support layer, whereby a first adhesive layer is at least partly provided on the underside of the support layer, characterised in that on the side of the support layer for the laser transfer film on which the first adhesive layer is provided, at least two pigment layers containing a laser-sensitive pigment are at least partly provided, whereby the concentration of the laser-sensitive pigment in the pigment layers varies.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.