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Class Information
Number: 250/338.2
Name: Radiant energy > Invisible radiant energy responsive electric signalling > Infrared responsive > Ferroelectric, ferromagnetic, photomagnetic types
Description: Subject matter including a material in which (a) the direction of polarization can be reversed by an electric or magnetic field or (b) in which the magnetic permeability can be changed by infrared radiation.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7408158 |
Gas sensor apparatus |
Aug. 5, 2008 |
| 7326936 |
Photodetector and photodetecting device |
Feb. 5, 2008 |
| 7303997 |
Regionally thinned microstructures for microbolometers |
Dec. 4, 2007 |
| 7220968 |
Radiation detector having all-metal circuitry operation of which is based on electron spin |
May. 22, 2007 |
| 7112793 |
One-chip compass implemented using magnetoresistive (MR) sensor temperature compensation and magnetic cross-term reduction techniques |
Sep. 26, 2006 |
| 7057173 |
Magnetoresistive (MR) sensor temperature compensation and magnetic cross-term reduction techniques utilizing selective set and reset gain measurements |
Jun. 6, 2006 |
| 7038206 |
Infrared sensor and imager with differential ferroelectric cells |
May. 2, 2006 |
| 7026618 |
Highly-sensitive, pyroelectric infrared sensing method and apparatus |
Apr. 11, 2006 |
| 7022991 |
Active regulator for maximizing pyroelectric sensitivity |
Apr. 4, 2006 |
| 6958478 |
Microbolometer detector with high fill factor and transducers having enhanced thermal isolation |
Oct. 25, 2005 |
| 6884690 |
Thin-film resistor with high temperature coefficient for use as passive semiconductor component for integrated circuits, and method for producing the same |
Apr. 26, 2005 |
| 6797957 |
Infrared detection element and infrared detector |
Sep. 28, 2004 |
| 6720559 |
Infrared sensor |
Apr. 13, 2004 |
| 6716642 |
Individually addressable micro-electromagnetic unit array chips in horizontal configurations |
Apr. 6, 2004 |
| 6674081 |
Infrared detecting element, infrared two-dimensional image sensor, and method of manufacturing the same |
Jan. 6, 2004 |
| 6635495 |
Infrared detecting element, infrared two-dimensional image sensor, and method of manufacturing the same |
Oct. 21, 2003 |
| 6576904 |
Transition edge detector technology for high performance IR focal plane arrays |
Jun. 10, 2003 |
| 6534767 |
Temperature sensor and sensing apparatus |
Mar. 18, 2003 |
| 6495828 |
Ferroelectric/pyroelectric infrared detector with a colossal magneto-resistive electrode material and rock salt structure as a removable substrate |
Dec. 17, 2002 |
| 6441374 |
Thermal type infrared ray detector with thermal separation structure for high sensitivity |
Aug. 27, 2002 |
| 6429428 |
Radiation detectors |
Aug. 6, 2002 |
| 6399946 |
Pyroelectric film sensors |
Jun. 4, 2002 |
| 6388256 |
Thermal detector array |
May. 14, 2002 |
| 6388255 |
Temperature sensor and sensing apparatus |
May. 14, 2002 |
| 6355939 |
Multi-band infrared photodetector |
Mar. 12, 2002 |
| 6339221 |
Ferroelectric thermometry and pyrometry by active operation |
Jan. 15, 2002 |
| 6329656 |
Ferroelectric ceramics |
Dec. 11, 2001 |
| 6326621 |
Infrared radiation detector and method of manufacturing the same |
Dec. 4, 2001 |
| 6294784 |
Pyroelectric sensor sensitivity enhanced by active hysteresis excitation |
Sep. 25, 2001 |
| 6137107 |
Thermal detector with inter-digitated thin film electrodes and method |
Oct. 24, 2000 |
| 6124103 |
Arrangement and method of examining hydrophilic macromolecules in an aqueous solution |
Sep. 26, 2000 |
| 6121614 |
Pyroelectric-type IR receiving element and IR sensor using the same |
Sep. 19, 2000 |
| 6023062 |
Method and device for converting infra-red radiation into electric signals with high amplification |
Feb. 8, 2000 |
| 5923029 |
Narrow band optical radiation sensor using pyroelectric material |
Jul. 13, 1999 |
| 5917187 |
Pyroelectric infrared ray sensor |
Jun. 29, 1999 |
| 5818043 |
Bolometric thermal detector |
Oct. 6, 1998 |
| 5804823 |
Bismuth layered structure pyroelectric detectors |
Sep. 8, 1998 |
| 5743006 |
Method for fabricating a focal plane array for thermal imaging system |
Apr. 28, 1998 |
| 5739532 |
Pyroelectric IR sensor |
Apr. 14, 1998 |
| 5708269 |
Thermal detector and method |
Jan. 13, 1998 |
| 5663556 |
Optoelectronic ferroelectric sensor and signal generating device |
Sep. 2, 1997 |
| 5602392 |
Thermal crosstalk reduction for infrared detectors with common electrodes |
Feb. 11, 1997 |
| 5572059 |
Thermal isolation of hybrid thermal detectors through an anisotropic etch |
Nov. 5, 1996 |
| 5567940 |
Infrared ray sensor and its producing method |
Oct. 22, 1996 |
| 5559332 |
Thermal detector and method |
Sep. 24, 1996 |
| 5485010 |
Thermal isolation structure for hybrid thermal imaging system |
Jan. 16, 1996 |
| 5485011 |
Two-sided integrated-circuit PIR sensor package |
Jan. 16, 1996 |
| 5448067 |
Transpacitor |
Sep. 5, 1995 |
| 5446285 |
Human body sensing device and method for fabricating the same |
Aug. 29, 1995 |
| 5436450 |
Infrared detector local biasing structure and method |
Jul. 25, 1995 |
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