Laminating film including a chip
The present invention relates to a laminating film comprising: a flexible film that is transparent at least in part; a flexible chip fastened to a face of the film; and a thickness-compensating layer, covering the film at least in part around the chip.
1 . A laminating film comprising:
a flexible film that is transparent at least in part;
a flexible chip fastened to a face of the film; and
a thickness-compensating layer, covering the film at least in part around the chip.
2 . A laminating film according to claim 1 , in which the chip is a polymer chip.
3 . A laminating film according to claim 2 , the chip comprising a semiconductor and/or organic polymer.
4 . A laminating film according to claim 1 , in which the chip is inorganic.
5 . A laminating film according to claim 4 , the chip being based on silicon.
6 . A laminating film according to claim 1 , in which the chip is a thin chip.
7 . A laminating film according to claim 6 , in which the thickness of the chip is less than or equal to 20 μm.
8 . A laminating film according to claim 7 , the thickness of the chip being less than or equal to 15 μm.
9 . A laminating film according to claim 1 , in which the chip comprises a circuit supported on a polymer film.
10 . A laminating film according to claim 9 , the polymer film comprising polyimide.
11 . A laminating film according to claim 1 , in which the thickness-compensating layer covers the flexible film all around the chip.
12 . A laminating film according to claim 1 , the thickness of the compensating layer being at least substantially equal to the thickness of the chip.
13 . A laminating film according to claim 1 , the thickness-compensating layer being adhesive when cold.
14 . A laminating film according to claim 1 , the thickness-compensating film being adhesive when hot.
15 . A laminating film according to claim 1 , the thickness-compensating layer being non-adhesive and being covered by a cold or hot adhesive layer.
16 . A laminating film according to claim 1 , the flexible film being made of a stretchable plastics material.
17 . A laminating film according to claim 1 , the flexible film being visually transparent, at least in part.
18 . A laminating film according to claim 1 , in which the thickness of the flexible film is less than or equal to 100 μm.
19 . A laminating film according to claim 18 , the thickness of the flexible film being greater than or equal to 50 μm.
20 . A laminating film according to claim 1 , including at least one auxiliary electronic device.
21 . A laminating film according to claim 20 , including a display device and/or a sensor and/or an electricity source.
22 . A laminating film according to claim 1 , the chip being configured to withstand bending with a radius of curvature of 3 mm without suffering damage preventing it from operating.
23 . A laminating film according to claim 1 , the chip being configured to withstand bending with a radius of curvature of 2 mm without suffering damage preventing it from operating.
24 . A laminating film according to claim 1 , the chip being configured to withstand bending with a radius of curvature of 1 mm without suffering damage preventing it from operating.
25 . A laminating film according to claim 1 , the chip being configured to withstand bending with a radius of curvature of 0.75 mm without suffering damage preventing it from operating.
26 . An article including a laminating film as defined in claim 1 .
27 . An article according to claim 26 , the laminating film being bonded to a face presenting printing.
28 . An article according to claim 27 , the printing including printing of variable mentions.
29 . An article according to claim 26 , the article and the laminating film not having any recess for receiving the chip at least in part.
30 . An article according to of claim 26 , in which the laminating film defines at least one outside face of the article in full.
31 . An article according to claim 26 , in which the laminating film defines the entire outside surface of the article.
32 . An article according to claim 26 , comprising sheet material having the laminating film fastened thereon.
33 . An article according to claim 32 , the sheet material being a document such as a booklet or an identity document or a security document, a package, or a book.
34 . A method of making secure and/or tracking an article, the method comprising:
adding a laminating film as defined in claim 1 to the article.
35 . A method according to claim 34 , the article being a document, a book, or a package.
36 . A method of making secure and/or tracking an article, the method comprising:
fastening a laminating film as defined in claim 1 on the article by adhesive.
37 . A method according to claim 36 , the article being a document, a book, or a package.
38 . A method of making secure and/or tracking an article, the method comprising:
fastening a laminating film as defined claim 1 on the article by heat-sealing at the periphery of said film.
39 . A method according to claim 38 , the article being a document, a book, or a package.