Invention Grant
- Patent Title: Implementing tamper evident and resistant detection through modulation of capacitance
- Patent Title (中): 通过电容调制实现防篡改和抗电磁干扰检测
-
Application No.: US12359484Application Date: 2009-01-26
-
Publication No.: US07989918B2Publication Date: 2011-08-02
- Inventor: Gerald Keith Bartley , Todd Alan Christensen , Paul Eric Dahlen , John Edward Sheets, II
- Applicant: Gerald Keith Bartley , Todd Alan Christensen , Paul Eric Dahlen , John Edward Sheets, II
- 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: H01L29/00
- IPC: H01L29/00
Abstract:
A method and tamper detection circuit for implementing tamper and anti-reverse engineering evident detection in a semiconductor chip, and a design structure on which the subject circuit resides are provided. A capacitor is formed with the semiconductor chip including the circuitry to be protected. A change in the capacitor value results responsive to the semiconductor chip being thinned, which is detected and a tamper-detected signal is generated.
Public/Granted literature
- US20100187525A1 IMPLEMENTING TAMPER EVIDENT AND RESISTANT DETECTION THROUGH MODULATION OF CAPACITANCE Public/Granted day:2010-07-29
Information query
IPC分类:
