Sealing label
AssigneeUpm Raflatac Oy
InventorsJari HERRANEN, Pasi LEHTONEN, Markku PIETARINEN
Life of this patent
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Abstract
A method, comprising: providing a combination of a package and a label attached to the package, wherein the label comprises a fluorescent substance, illuminating the label with excitation light so as to cause the label to emit fluorescence light, capturing an image of the label by using an imaging unit, and detecting the position of the label by analyzing the captured image and/or detecting a degree of adhesion of the label by analyzing the captured image.
Claims20
A label comprising:
- a carrier layer and
- an adhesive layer,
- wherein the label comprises a wavelength conversion layer, which comprises a fluorescent substance.
A sealed package, which comprises a package and a label attached to the package, wherein the label comprises a carrier layer and an adhesive layer, wherein the label comprises a wavelength conversion layer, which comprises a fluorescent substance.
A method, comprising providing a combination of a package and a label attached to the package, wherein the label comprises a carrier layer and an adhesive layer, wherein the label comprises a wavelength conversion layer, which comprises a fluorescent substance,
- the method further comprising:
- illuminating the label with excitation light so as to cause the label to emit fluorescence light,
- capturing an image of the label by using an imaging unit, and
- analyzing the captured image.
Dependencies are inferred from the claim text.