FR3044409B1 - Capteur de motif thermique comportant une portion pyroelectrique superieure a forte conductivite thermique - Google Patents

Capteur de motif thermique comportant une portion pyroelectrique superieure a forte conductivite thermique Download PDF

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Publication number
FR3044409B1
FR3044409B1 FR1561581A FR1561581A FR3044409B1 FR 3044409 B1 FR3044409 B1 FR 3044409B1 FR 1561581 A FR1561581 A FR 1561581A FR 1561581 A FR1561581 A FR 1561581A FR 3044409 B1 FR3044409 B1 FR 3044409B1
Authority
FR
France
Prior art keywords
thermal
pattern sensor
thermal conductivity
pyroelectric portion
thermal pattern
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
FR1561581A
Other languages
English (en)
Other versions
FR3044409A1 (fr
Inventor
Abdelkader Aliane
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Safran SA
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
Original Assignee
Commissariat a lEnergie Atomique CEA
Safran SA
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Commissariat a lEnergie Atomique CEA, Safran SA, Commissariat a lEnergie Atomique et aux Energies Alternatives CEA filed Critical Commissariat a lEnergie Atomique CEA
Priority to FR1561581A priority Critical patent/FR3044409B1/fr
Priority to PCT/EP2016/079137 priority patent/WO2017093252A1/fr
Publication of FR3044409A1 publication Critical patent/FR3044409A1/fr
Application granted granted Critical
Publication of FR3044409B1 publication Critical patent/FR3044409B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/10—Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors
    • G01J5/34—Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors using capacitors, e.g. pyroelectric capacitors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/02—Constructional details
    • G01J5/0225—Shape of the cavity itself or of elements contained in or suspended over the cavity
    • G01J5/024—Special manufacturing steps or sacrificial layers or layer structures
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/02—Constructional details
    • G01J5/04—Casings
    • G01J5/046—Materials; Selection of thermal materials
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
    • G06V40/12—Fingerprints or palmprints
    • G06V40/13—Sensors therefor
    • G06V40/1306—Sensors therefor non-optical, e.g. ultrasonic or capacitive sensing
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/117—Identification of persons
    • A61B5/1171—Identification of persons based on the shapes or appearances of their bodies or parts thereof
    • A61B5/1172—Identification of persons based on the shapes or appearances of their bodies or parts thereof using fingerprinting
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J2005/0077—Imaging
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/10—Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors
    • G01J5/34—Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors using capacitors, e.g. pyroelectric capacitors
    • G01J2005/345—Arrays

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Manufacturing & Machinery (AREA)
  • Power Engineering (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
FR1561581A 2015-11-30 2015-11-30 Capteur de motif thermique comportant une portion pyroelectrique superieure a forte conductivite thermique Active FR3044409B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR1561581A FR3044409B1 (fr) 2015-11-30 2015-11-30 Capteur de motif thermique comportant une portion pyroelectrique superieure a forte conductivite thermique
PCT/EP2016/079137 WO2017093252A1 (fr) 2015-11-30 2016-11-29 Capteur de motif thermique comportant une portion pyroelectrique superieure a forte conductivite thermique

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1561581A FR3044409B1 (fr) 2015-11-30 2015-11-30 Capteur de motif thermique comportant une portion pyroelectrique superieure a forte conductivite thermique
FR1561581 2015-11-30

Publications (2)

Publication Number Publication Date
FR3044409A1 FR3044409A1 (fr) 2017-06-02
FR3044409B1 true FR3044409B1 (fr) 2018-01-26

Family

ID=55759700

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1561581A Active FR3044409B1 (fr) 2015-11-30 2015-11-30 Capteur de motif thermique comportant une portion pyroelectrique superieure a forte conductivite thermique

Country Status (2)

Country Link
FR (1) FR3044409B1 (fr)
WO (1) WO2017093252A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3069354B1 (fr) * 2017-07-24 2019-08-30 Commissariat A L'energie Atomique Et Aux Energies Alternatives Capteur thermique avec deux portions pyroelectriques superposees, pour la mesure d'un differentiel de charges
FR3074575B1 (fr) 2017-12-04 2020-10-16 Commissariat Energie Atomique Capteur de motif thermique a capacite pyroelectrique
FR3074574B1 (fr) * 2017-12-04 2020-01-03 Commissariat A L'energie Atomique Et Aux Energies Alternatives Capteur de motif thermique a capacite pyroelectrique
FR3074576B1 (fr) * 2017-12-04 2020-01-03 Commissariat A L'energie Atomique Et Aux Energies Alternatives Capteur de motif thermique a capacite pyroelectrique comprenant une matrice sol-gel et des particules d'oxyde metallique
FR3075953B1 (fr) * 2017-12-22 2021-09-17 Commissariat Energie Atomique Capteur pyroelectrique avec blindage electro-magnetique ameliore.
FR3098906B1 (fr) * 2019-07-18 2021-06-18 Idemia Identity & Security France Matrice de pixels d'un capteur de motif thermique, capteur associé avec lignes de chauffe en serpentin
FR3103319B1 (fr) * 2019-11-19 2022-04-01 Commissariat Energie Atomique Capteur de motif thermique comportant deux couches de materiaux pyroelectriques

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2755526B1 (fr) * 1996-11-05 1999-01-22 Thomson Csf Systeme de lecture d'empreintes digitales avec resistances de chauffage integrees
FR2959657B1 (fr) * 2010-05-06 2012-06-22 Commissariat Energie Atomique Transducteur de variation temporelle de température, puce électronique incorporant ce transducteur et procédé de fabrication de cette puce
FR3013510B1 (fr) * 2013-11-15 2017-05-05 Commissariat Energie Atomique Procede de fabrication d'un dispositif pyroelectrique et/ou piezoelectrique

Also Published As

Publication number Publication date
WO2017093252A1 (fr) 2017-06-08
FR3044409A1 (fr) 2017-06-02

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