VARIABLE STIFFNESS MODULES

WIPO Patent Application WO/2021/037808

A3

A variable-stiffness module comprises a rigid structure (10) having a first stiffness, an intermediate substrate (20) having a second stiffness less than the first stiffness, and a flexible substrate (30) having a third stiffness less than the second stiffness. The rigid structure (10) is disposed on the intermediate substrate (20) and the intermediate substrate (20) is disposed on the flexible substrate (30). A conductor (40) is disposed partially on the intermediate substrate (21) and partially on the flexible substrate (30) and connected to the rigid structure (10). The conductor (40) extends from the rigid structure (10) to the intermediate substrate (21) to the flexible substrate (30). In some embodiments, a variable-stiffness module comprises any combination of multiple rigid structures, multiple intermediate substrates, and multiple conductors. The conductor (40) can be an optical conductor or an electrical conductor and can be disposed over the rigid structure (10) or between the rigid structure (10) and the intermediate substrate (21).

COK RONALD (US)
ROITHMEIER GABRIELE (DE)
SCHULZ CHRISTIAN (DE)
SCHARFENBERG MICHAEL (DE)

PCT/EP2020/073651

May 20, 2021

August 24, 2020

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X CELEPRINT LTD (IE)
LEONHARD KURZ STIFTUNG & CO KG (DE)

H01L23/48; G02B6/10; G02B6/42; H01L21/60; H01L21/683; H01L23/13; H01L23/498; H01L23/538; H01L25/065; H01L25/16

WO2013118217A1	2013-08-15
WO2001030123A1	2001-04-26

EP1635387A1	2006-03-15
CN101604643A	2009-12-16
JP2001188146A	2001-07-10
US20120313241A1	2012-12-13
US20180107244A1	2018-04-19
US4977441A	1990-12-11
US20070183184A1	2007-08-09
EP1028463A1	2000-08-16
US5811317A	1998-09-22

NORBERT ZINSINGER ET AL., PATENTANWÄLTE LOUIS-PÖHLAU-LOHRENTZ (DE)

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