a Business Brand by
the advanced finishing partner EPTANOVA leads an extended know-how in EPTATECH can support Clients in evaluation tests and feasibility studies.
providing complete advanced coating solutions to a variety of industries, with companies all around the world.
Samples, also based on Client’s circuit design, can be realized at Eptatech’s premises where screen-building and printing capabilities are available.
Our Business Brands – EPTAINKS, EPTACOAT, EPTATECH and EPTAINKS Digital – develop and manufacture products and applications in the domain of industrial printing inks (screen printing,
Customisation of conductive and protective inks based
pad printing and digital printing), innovative
on specific application requirements is possible.
functional coating and advanced materials technology. We provide our customers with a complete range of innovative products and quality services, designed to
EPTATECH S.r.l. Via Alcide De Gasperi n. 3 22070 Luisago (CO), Italy Phone. +39 031 9090111 Fax: +39 031 920505 info@eptatech.com
offer a tailor-made solution to every demand.
EPTANOVA S.r.L. Via Alcide De Gasperi n. 3 22070 Luisago (CO), Italy Phone. +39 031 9090111 Fax +39 031 920505 info@eptanova.com
Electrical performances: Silver Ink
Sheet resistivity (mOhm/sq/mil)
0-100% stretch 2250 2000 1750 1500 1250 1000 750 500 250 0 0
10
20
30
40
50
60
70
80
90
100
% strain
Stretchable Electronics Functional Inks
0-100% stretch
500
Sheet resistivity (Ohm/sq/mil)
• better printing reliability • full printing production process. No membrane cutting needed
600 Sheet resistivity (mOhm/sq/mil)
• Silver or Carbon Conductive Inks • Dedicated Encapsulant Inks acting as elastic “substrate” printed in combination with conductive inks • Water based, screen-printable inks • No elastic membranes are used. Ink layers are screen printed on a sacrificial polyester support for:
Electrical performances: Carbon Ink
1000 continuous cycles 0-20% elongations
400 300 200 100 0 0:00:00
1:04:48
2:09:36
3:14:24
1800 1600 1400 1200 1000 800 600 400 200 0
4:19:12
0
10
20
30
time (h:min:sec)
Application final application of circuits: • on textile by the “transfer printing” technique, commonly used in Textile Industry • as a stretchable “decal” on non-textile surfaces • Self-standing printed circuits can also be peeled-off from the sacrificial support for subsequent handling and assembly. “Structural” Encapsulants standing severe industry environmental tests are available
50
60
70
80
90
100
1000 continuous cycles 0-20% elongations Sheet resistivity (Ohm/sq/mil)
• An additional layer of adhesive can be printed for the
40
% strain
120 100 80 60 40 20 0 0:00:00
1:04:48
2:09:36
time (h:min:sec)
3:14:24
4:19:12