Invention Grant
- Patent Title: Implementing transient electronic circuits for security applications
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Application No.: US15975955Application Date: 2018-05-10
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Publication No.: US10535617B2Publication Date: 2020-01-14
- Inventor: Eric J. Campbell , Sarah Czaplewski-Campbell , Timothy Tofil , Joseph Kuczynski
- Applicant: International Business Machines Corporation
- Applicant Address: US NY Armonk
- Assignee: International Business Machines Corporation
- Current Assignee: International Business Machines Corporation
- Current Assignee Address: US NY Armonk
- Agent Joan Pennington
- Main IPC: H01L23/02
- IPC: H01L23/02 ; H01L23/00 ; H05K1/02 ; B82Y30/00

Abstract:
A method and circuit for implementing transient electronic circuits for security applications, and a design structure on which the subject circuit resides are provided. Silver nanowire traces are fabricated forming a protection circuit in a soluble material. A frangible material is provided separating the soluble material from a solvent layer proximately located. During a tampering event the frangible material is ruptured releasing the solvent which contacts and dissolves the soluble material and disperses the silver nanowire traces creating an electrical open in the protection circuit. The electrical open enables enhanced tampering detection.
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