Title:
BOLOMETER TYPE INFRARED DETECTOR HAVING HYSTERESIS AND DRIVE METHOD OF THE INFRARED DETECTOR
Document Type and Number:
Japanese Patent JP3874077
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a bolometer infrared detector having hysteresis for giving the degree of freedom in drive conditions without giving an upper limit to a bias voltage for increasing responsibility, and to provide a method for driving the infrared detector.
SOLUTION: In the bolometer type infrared detector having hysteresis, the temperature in the diaphragm in the detector is set to a low-temperature side region without any hysteresis by a temperature controller, and the temperature in the diaphragm is shifted to a temperature range having a large resistance temperature coefficient and hysteresis due to temperature increase due to Joule heat when reading signal by applying a pulse bias, thus providing a method for driving the bolometer infrared sensor with high sensitivity.
Inventors:
Naoki Oda
Application Number:
JP2001233257A
Publication Date:
January 31, 2007
Filing Date:
August 01, 2001
Export Citation:
Assignee:
NEC
International Classes:
G01J1/02; G01J5/02; G01J5/20; H01L27/14; (IPC1-7): G01J1/02; G01J5/02; H01L27/14
Domestic Patent References:
| JP2000055737A | ||||
| JP2001146423A | ||||
| JP2002243551A |
Foreign References:
| US5900799 |
Attorney, Agent or Firm:
Keiji Miyamoto
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