EP 2220522 A1 20100825 - OPTICAL ADHESIVE TAPE FOR LIGHT MANAGEMENT OF KEYBOARDS
Title (en)
OPTICAL ADHESIVE TAPE FOR LIGHT MANAGEMENT OF KEYBOARDS
Title (de)
OPTISCHE HAFTKLEBEBÄNDER ZUM LICHTMANAGEMENT VON TASTATUREN
Title (fr)
BANDES OPTIQUES AUTO-ADHÉSIVES POUR LA GESTION DE LA LUMIÈRE POUR DES CLAVIERS
Publication
Application
Priority
- EP 2008066681 W 20081203
- DE 102007058461 A 20071204
Abstract (en)
[origin: WO2009071569A1] The invention relates to an at least one-sided adhesive tape comprising at least one multi-layer substrate material and at least one layer of an adhesive, characterized by a light transmission of not more than 0.1% and a total light reflection of at least 80% and a diffuse light portion of 30 - 80%, and the use of such adhesive tapes for taping in the production of keyboards.
IPC 8 full level
G02B 6/00 (2006.01); B32B 27/08 (2006.01); C09J 7/29 (2018.01); G02B 5/02 (2006.01); G02F 1/13357 (2006.01)
CPC (source: EP KR US)
C09J 7/22 (2017.12 - KR); C09J 7/29 (2017.12 - EP KR US); C09J 7/38 (2017.12 - KR); C09J 9/00 (2013.01 - EP US); G02B 5/02 (2013.01 - KR); G02B 5/0205 (2013.01 - KR); G02B 5/0808 (2013.01 - KR); G02B 5/02 (2013.01 - EP US); G02B 5/0808 (2013.01 - EP US); Y10T 156/10 (2015.01 - EP US); Y10T 428/2848 (2015.01 - EP US)
Citation (search report)
See references of WO 2009071569A1
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
Designated extension state (EPC)
AL BA MK RS
DOCDB simple family (publication)
WO 2009071569 A1 20090611; CN 101889223 A 20101117; CN 101889223 B 20120509; DE 112008003068 A5 20101014; EP 2220522 A1 20100825; JP 2011505483 A 20110224; KR 20100099259 A 20100910; TW 200934849 A 20090816; US 2010263782 A1 20101021
DOCDB simple family (application)
EP 2008066681 W 20081203; CN 200880119333 A 20081203; DE 112008003068 T 20081203; EP 08857020 A 20081203; JP 2010536435 A 20081203; KR 20107014893 A 20081203; TW 97146863 A 20081203; US 74358608 A 20081203