DE69608521T2 - Monolitischer Fingerabdrucksensor - Google Patents

Monolitischer Fingerabdrucksensor

Info

Publication number
DE69608521T2
DE69608521T2 DE69608521T DE69608521T DE69608521T2 DE 69608521 T2 DE69608521 T2 DE 69608521T2 DE 69608521 T DE69608521 T DE 69608521T DE 69608521 T DE69608521 T DE 69608521T DE 69608521 T2 DE69608521 T2 DE 69608521T2
Authority
DE
Germany
Prior art keywords
layer
sensor
pressure
cavity
depositing
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.)
Expired - Fee Related
Application number
DE69608521T
Other languages
German (de)
English (en)
Other versions
DE69608521D1 (de
Inventor
Salman Abou Hassan
Marie-Josephe Revillet
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.)
POSTE
Orange SA
Original Assignee
POSTE
France Telecom SA
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 POSTE, France Telecom SA filed Critical POSTE
Application granted granted Critical
Publication of DE69608521D1 publication Critical patent/DE69608521D1/de
Publication of DE69608521T2 publication Critical patent/DE69608521T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00—Measuring force or stress, in general
    • G01L1/20—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress
    • G01L1/205—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using distributed sensing elements
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
    • G01L9/0041—Transmitting or indicating the displacement of flexible diaphragms
    • G01L9/0042—Constructional details associated with semiconductive diaphragm sensors, e.g. etching, or constructional details of non-semiconductive diaphragms
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Multimedia (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Human Computer Interaction (AREA)
  • Animal Behavior & Ethology (AREA)
  • Theoretical Computer Science (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Image Input (AREA)
  • Pressure Sensors (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Measuring Fluid Pressure (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)
  • Semiconductor Integrated Circuits (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
DE69608521T 1995-10-17 1996-10-15 Monolitischer Fingerabdrucksensor Expired - Fee Related DE69608521T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9512168A FR2739977B1 (fr) 1995-10-17 1995-10-17 Capteur monolithique d'empreintes digitales

Publications (2)

Publication Number Publication Date
DE69608521D1 DE69608521D1 (de) 2000-06-29
DE69608521T2 true DE69608521T2 (de) 2000-09-14

Family

ID=9483604

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69608521T Expired - Fee Related DE69608521T2 (de) 1995-10-17 1996-10-15 Monolitischer Fingerabdrucksensor

Country Status (5)

Country Link
US (1) US5844287A (enExample)
EP (1) EP0769754B1 (enExample)
JP (1) JPH09126918A (enExample)
DE (1) DE69608521T2 (enExample)
FR (1) FR2739977B1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012021413A1 (de) * 2012-10-30 2014-04-30 Infineon Technologies Ag Sensor mit Maskierung

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US7613659B1 (en) 1994-11-28 2009-11-03 Yt Acquisition Corporation System and method for processing tokenless biometric electronic transmissions using an electronic rule module clearinghouse
US7248719B2 (en) 1994-11-28 2007-07-24 Indivos Corporation Tokenless electronic transaction system
US7631193B1 (en) 1994-11-28 2009-12-08 Yt Acquisition Corporation Tokenless identification system for authorization of electronic transactions and electronic transmissions
US20040128249A1 (en) 1994-11-28 2004-07-01 Indivos Corporation, A Delaware Corporation System and method for tokenless biometric electronic scrip
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US6240199B1 (en) * 1997-07-24 2001-05-29 Agere Systems Guardian Corp. Electronic apparatus having improved scratch and mechanical resistance
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JP3102395B2 (ja) * 1997-11-27 2000-10-23 日本電気株式会社 指紋検出装置
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DE69933339T8 (de) 1998-07-02 2007-09-13 Nippon Telegraph And Telephone Corp. Nachweisvorrichtung für kleine Kapazitätsänderungen
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DE10245627B3 (de) * 2002-09-30 2004-05-06 Infineon Technologies Ag Fingerabdrucksensor
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012021413A1 (de) * 2012-10-30 2014-04-30 Infineon Technologies Ag Sensor mit Maskierung
DE102012021413B4 (de) * 2012-10-30 2016-06-02 Infineon Technologies Ag Sensor mit Maskierung

Also Published As

Publication number Publication date
JPH09126918A (ja) 1997-05-16
FR2739977B1 (fr) 1998-01-23
FR2739977A1 (fr) 1997-04-18
US5844287A (en) 1998-12-01
EP0769754B1 (fr) 2000-05-24
DE69608521D1 (de) 2000-06-29
EP0769754A1 (fr) 1997-04-23

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