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1. EP2371533 - TRANSPARENT LAMINATED FILM AND METHOD FOR PRODUCING THE SAME

Office European Patent Office
Application Number 09834851
Application Date 22.12.2009
Publication Number 2371533
Publication Date 05.10.2011
Publication Kind B1
IPC
B PERFORMING OPERATIONS; TRANSPORTING
32
LAYERED PRODUCTS
B
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
9
Layered products essentially comprising a particular substance not covered by groups B32B11/-B32B29/137
B PERFORMING OPERATIONS; TRANSPORTING
32
LAYERED PRODUCTS
B
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
7
Layered products characterised by the relation between layers, i.e. products essentially comprising layers having different physical properties or products characterised by the interconnection of layers
02
in respect of physical properties, e.g. hardness
B PERFORMING OPERATIONS; TRANSPORTING
32
LAYERED PRODUCTS
B
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
9
Layered products essentially comprising a particular substance not covered by groups B32B11/-B32B29/137
04
comprising such substance as the main or only constituent of a layer, next to another layer of a specific substance
B PERFORMING OPERATIONS; TRANSPORTING
32
LAYERED PRODUCTS
B
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
15
Layered products essentially comprising metal
04
comprising metal as the main or only constituent of a layer, next to another layer of a specific substance
08
of synthetic resin
G PHYSICS
02
OPTICS
B
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
1
Optical elements characterised by the material of which they are made; Optical coatings for optical elements
10
Optical coatings produced by application to, or surface treatment of, optical elements
G PHYSICS
02
OPTICS
B
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
5
Optical elements other than lenses
20
Filters
26
Reflecting filters
G PHYSICS
02
OPTICS
B
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
5
Optical elements other than lenses
20
Filters
28
Interference filters
G PHYSICS
09
EDUCATING; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
F
DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
9
Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
H ELECTRICITY
05
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
K
PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
9
Screening of apparatus or components against electric or magnetic fields
B32B 9/00
B32B 7/02
B32B 9/04
B32B 15/08
G02B 1/10
G02B 5/26
CPC
H05K 9/0096
Y10T 428/269
C23C 28/04
C23C 28/321
C23C 28/322
Applicants SUMITOMO RIKO CO LTD
Inventors TAKEUCHI TETSUYA
TOKUNAGA YOSHIHIRO
NARASAKI TETSUJI
INAGAKI HIROKI
INUZUKA MASATAKA
Designated States
Priority Data 2008328883 25.12.2008 JP
2009071273 22.12.2009 JP
Title
(DE) TRANSPARENTER LAMINIERTER FILM UND HERSTELLUNGSVERFAHREN DAFÜR
(EN) TRANSPARENT LAMINATED FILM AND METHOD FOR PRODUCING THE SAME
(FR) FILM STRATIFIÉ TRANSPARENT ET PROCÉDÉ DE PRODUCTION ASSOCIÉ
Abstract
(EN)
A transparent laminated film is provided with which it is possible to inhibit peeling of thin film layers, even with long-term exposure to sunlight during use and exposure to UV rays during quality evaluation. The film has a thin film layer obtained by lamination of multiple thin films on at least one side of a transparent polymer film. This thin film layer has metal oxide thin films formed by a sol-gel process using light energy during sol-gel hardening and post-oxidation thin films formed by post-oxidation of at least one thin film selected from metal thin film, alloy thin film, and partially oxidized metal oxide thin film.

(FR)
L'invention concerne un film stratifié transparent permettant de supprimer le décollement de couches minces, même dans le cas d'une exposition à long terme à la lumière du soleil pendant l'utilisation et d'une exposition aux rayons UV pendant l'évaluation de la qualité. Le film selon l'invention comprend une couche de couches minces obtenue par stratification de couches minces multiples sur au moins un côté d'un film polymère transparent. Ladite couche comprend des couches minces d'oxyde métallique formées par un processus sol-gel mettant en oeuvre l'énergie lumineuse pendant un traitement sol-gel, et des couches minces de post-oxydation formées par post-oxydation d'une, deux ou de multiples couches minces sélectionnées parmi des couches minces métalliques, des couches minces d'alliage et des couches minces d'oxyde métallique partiellement oxydées. 

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