NDLI: Study of the Electrical Contact in a Fully Inkjet Printed Membrane Switch

Content Provider	IEEE Xplore Digital Library
Author	Sette, D. Poulain, C. Yakoub, A. Saadaoui, M. Dubois, B. Blayo, A.
Copyright Year	2013
Description	Author affiliation: Dept. of Innovation & Manuf. Technol., Gemalto, Gemenos, France (Dubois, B.) \|\| LETI, CEA, Grenoble, France (Sette, D.; Poulain, C.) \|\| Grenoble INP - Pagora, Grenoble, France (Blayo, A.) \|\| Centre Microelectron. de Provence, Ecole Nat. Super. des Mines de St.-Etienne, Gardanne, France (Yakoub, A.; Saadaoui, M.)
Abstract	Inkjet printing technology is a direct writing fabrication process which demonstrated its ability to pattern a large variety of materials (metals, dielectrics and ceramics) on different substrates. This paper introduces a membrane switch fully fabricated by inkjet printing of silver nanoparticles on polyimide and polyethylene terephthalate substrates. It focuses on electrical measurements of the contact resistance between two inkjet printed silver layers. Low temperature annealing is necessary to prevent substrate damaging and to enable nanoparticles coalescence resulting in a high conductive layer. Best achieved resistivity of the printed silver layer for 150°C annealing temperature is 6 μΩ.cm, disregarding the granular microstructure and an average thickness of 570 nm. Contact resistance is probed with a four point measurement and has a value lower than 1 Ω for an actuation force of 5N. A geometrical model has been developed for a better understanding of the electrical contact in the membrane switch. The device has been tested under cold and hot switching at 5V and 10 mA. For low power applications, the membrane switch proves to be reliable for 105 mechanical actuation cycles. This work validates inkjet technology potential for electrical contact applications.
Starting Page	1
Ending Page	6
File Size	2503474
Page Count	6
File Format	PDF
ISBN	9781479915569
ISSN	10626808
e-ISBN	9781467352819
DOI	10.1109/HOLM.2013.6651427
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-09-22
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Contacts Switches Annealing Silver Substrates Printing Force
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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