研究目的
To solve the problem of permanent damage to micro-bolometer sensors caused by joule heating during readout by proposing a self-protection scheme.
研究成果
The proposed self-protection scheme effectively prevents permanent damage to micro-bolometer sensors from excessive joule heating, with a measured protection threshold of around 360μs and power consumption below 50μW.
研究不足
The study does not address the potential impact of the protection scheme on the detector's sensitivity or response time under normal operating conditions.
1：Experimental Design and Method Selection:
The study proposes a self-protection scheme based on an analog row select length of time detection circuitry to prevent excessive heating.
2：Sample Selection and Data Sources:
A 640×512 array format uncooled infrared detector with 17μm pixel pitch is used.
3：List of Experimental Equipment and Materials:
The detector is fabricated in
4：18μm CMOS process. Experimental Procedures and Operational Workflow:
The protection circuit's effectiveness is tested by simulating and measuring its response to excessive heating scenarios.
5：Data Analysis Methods:
The performance is evaluated based on power consumption and protection threshold measurements.
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