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Self Healing Circuits for Automatic Repair of Open Faults: Increasing Reliability of Electronic Devices for Space and Defence Applications

Primary Information

Domain

Advanced Materials

Project No.

7969

Sanction and Project Initiation

Sanction No: 7969

Sanction Date: 01/02/2018

Project Initiation date: 01/02/2019

Project Duration: 24

Partner Ministry/Agency/Industry

ISRO

Role of partner:1) 50% of the budget 2) Work towards demonstrating the feasibility of the technology for space applications (via ERP student) 3.) Work towards developing the technology for space application (via ERP student)

Support from partner:1) Partner has provided 50% of the budget 2) Joint ERP student - Work towards demonstrating the feasibility of the technology for space applications 3.) Joint ERP student - Work towards developing the technology for space application

Principal Investigator

PI Image

Sanjiv SambandanPrimary
Indian Institute of Science

Host Institute

Scope and Objectives

Self healing circuits. In many systems the interconnects of circuits experiences stress due to mechanical forces, thermal expansion, ESD events, electromigration, environmental degradation etc. In such cases the interconnect may experience open circuit faults. The project aims to develop an idea where the open faults are immediately detected and healed.

Deliverables

1.) Self healing interconnects 2.) to achieve heals with low resistance 3.) stretchable heals

Project image

Scientific Output

1.) Geometric influence of cylindrical surface curvature on the electrostatics of thin film transistors P Bhattacharya, A Nair, S Sambandan Flexible and Printed Electronics 2018 2.) Self Healing Interconnects with a Near Plastically Stretchable Heal A Kumar, V Parab, A Handu, L Ding, S Sambandan arXiv preprint arXiv:1808.04270 2018 (accepted, Physical Review Applied) 3.) Self-Healing Interconnects for Reliable Flexible Electronics V Parab, L Ding, A Kumar, V Yaswant, S Sambandan ECS Transactions 85 (13), 825-831 1 2018 Self Healing Interconnects for Reliable Flexible Electronics (Invited) 4.) Self healing Electronics, Invited Talk, IEEE-ICEE 2018 5.) Self healing circuits for large area electronics, INNOLAE conference, University of Cambridge, 2019 (acccepted)

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Results and outcome till date

Details found in the manuscript (freely dowloadable pdf): Self Healing Interconnects with a Near Plastically Stretchable Heal A Kumar, V Parab, A Handu, L Ding, S Sambandan arXiv preprint arXiv:1808.04270 2018 (accepted, Physical Review Applied)

Societal benefit and impact anticipated

Reliable electronics for space, consumer applications. Systems like cell phone displays can be self healed. This implies less consumer wastes (environmental benefit long term). Technologies such as wearable and flexible electronics become more reliable.

Next steps

Solving the problem of packaging to translate this mechanism to a (i) printed circuit board (ii) flexible electronic system.

Publications and reports

1.) Geometric influence of cylindrical surface curvature on the electrostatics of thin film transistors P Bhattacharya, A Nair, S Sambandan Flexible and Printed Electronics 2018 2.) Self Healing Interconnects with a Near Plastically Stretchable Heal A Kumar, V Parab, A Handu, L Ding, S Sambandan arXiv preprint arXiv:1808.04270 2018 (accepted, Physical Review Applied) 3.) Self-Healing Interconnects for Reliable Flexible Electronics V Parab, L Ding, A Kumar, V Yaswant, S Sambandan ECS Transactions 85 (13), 825-831 1 2018 Self Healing Interconnects for Reliable Flexible Electronics (Invited)

Patents

NA (We will apply at the end of the project)

Scholars and Project Staff

NA

Challenges faced

NA

Other information

NA

Financial Information

  • Total sanction: Rs. 3638400

  • Amount received: Rs. 3026000

  • Amount utilised for Equipment: Rs. 900000

  • Amount utilised for Manpower: Rs. 500000

  • Amount utilised for Consumables: Rs. 623250

  • Amount utilised for Contingency: Rs. 200000

  • Amount utilised for Travel: Rs. 0

  • Amount utilised for Other Expenses: 0

  • Amount utilised for Overheads: Rs. 450000

Equipment and facilities

Metallurgical Microscope

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