NDLI: Accelerated-stress reliability evaluation for an encapsulated wireless cortical stimulator

Content Provider	IEEE Xplore Digital Library
Author	Sungjae Suh Troyk, P.R. Zhe Hu
Copyright Year	2014
Description	Author affiliation: Illinois Inst. of Technol., Chicago, IL, USA (Sungjae Suh; Troyk, P.R.) \|\| Sigenics, Chicago, IL, USA (Zhe Hu)
Abstract	In preparing a wireless cortical stimulator for use in the Intracortical Visual Prosthesis (ICVP) project at the Illinois Institute of Technology (IIT), an accelerated environmental stress test is being performed on prototype stimulator modules. Stimulator devices, containing a custom application specific integrated circuit (ASIC), and encapsulated with PDMS, were soaked in an autoclave chamber at 121°C and 100% relative humidity for more than 2200 hours with and without power supplied to the ASIC. Experimental results showed no physical degradation of the stimulator devices after soaking. Reverse telemetry that measures the stimulator internal power supply, recorded periodically over the entire test time, verified that the devices were electrically functioning, as designed, without deterioration. Taking into consideration other standard reliability test environments, the accelerated moisture resistance-biased autoclave testing duration of 2200 hours, as conducted in this study, overwhelms other less-severe test conditions and demonstrates long term stability of the proposed vision prosthesis device with proven thermo-mechanical and electrical robustness.
Sponsorship	IEEE Eng. Med. Biol. Soc.
Starting Page	442
Ending Page	445
File Size	738945
Page Count	4
File Format	PDF
ISBN	9781424479290
ISSN	1557170X
DOI	10.1109/EMBC.2014.6943623
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-08-26
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Coils Telemetry Application specific integrated circuits Reliability Life estimation Power supplies Moisture
Content Type	Text
Resource Type	Article
Subject	Signal Processing Biomedical Engineering Health Informatics Computer Vision and Pattern Recognition

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
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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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