ES2115266T3 - Procedimientos y dispositivos de identificacion de caracteres inscritos sobre substratos. - Google Patents

Procedimientos y dispositivos de identificacion de caracteres inscritos sobre substratos.

Info

Publication number
ES2115266T3
ES2115266T3 ES94931618T ES94931618T ES2115266T3 ES 2115266 T3 ES2115266 T3 ES 2115266T3 ES 94931618 T ES94931618 T ES 94931618T ES 94931618 T ES94931618 T ES 94931618T ES 2115266 T3 ES2115266 T3 ES 2115266T3
Authority
ES
Spain
Prior art keywords
identification
characters
substrates
fact
procedures
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 - Lifetime
Application number
ES94931618T
Other languages
English (en)
Inventor
Roy Degroot
Mark Leonov
Marcel Aulagnon
Bernard Poli
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.)
Recif SA
Original Assignee
Recif 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 Recif SA filed Critical Recif SA
Application granted granted Critical
Publication of ES2115266T3 publication Critical patent/ES2115266T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/10—Image acquisition
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
    • H10P72/00—Handling or holding of wafers, substrates or devices during manufacture or treatment thereof
    • H10P72/06—Apparatus for monitoring, sorting, marking, testing or measuring
    • H10P72/0618—Apparatus for monitoring, sorting, marking, testing or measuring using identification means, e.g. labels on substrates or labels on containers
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10544—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum
    • G06K7/10821—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices
    • G06K7/10861—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices sensing of data fields affixed to objects or articles, e.g. coded labels
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V10/00—Arrangements for image or video recognition or understanding
    • G06V10/10—Image acquisition
    • G06V10/12—Details of acquisition arrangements; Constructional details thereof
    • G06V10/14—Optical characteristics of the device performing the acquisition or on the illumination arrangements
    • G06V10/145—Illumination specially adapted for pattern recognition, e.g. using gratings

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Artificial Intelligence (AREA)
  • Electromagnetism (AREA)
  • Toxicology (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Character Input (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Image Analysis (AREA)
  • Image Processing (AREA)
  • Image Input (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

LA INVENCION SE REFIERE A UN PROCEDIMIENTO DE IDENTIFICACION DE CARACTERES (1) ESCRITOS SOBRE SUSTRATOS (2) QUE COMPRENDEN AL MENOS ETAPAS DE ILUMINACION, DE OBSERVACION Y DE IDENTIFICACION DE LOS CARACTERES, QUE SE CARACTERIZA PARTICULARMENTE POR EL HECHO DE QUE LA ILUMINACION , ASEGURADA POR AL MENOS UNA FUENTE DE LUZ (S1), SE REALIZA SESGADO RESPECTO DE UNA SUPERFICIE (3) PLANA MINIMA QUE INSCRIBE LA TOTALIDAD DE LOS CARACTERES, Y PARTICULARMENTE POR EL HECHO DE QUE LA OBSERVACION, ASEGURADA VENTAJOSAMENTE POR UNA CAMARA (8) ELECTRONICA SE REALIZA TAMBIEN SESGADO RESPECTO DE LA SUPERIFICIE (3), Y PARTICULARMENTE POR EL HECHO DE QUE LA IDENTIFICACION ESTA ASEGURADA MEDIANTE UNA UNIDAD CENTRAL QUE COMPRENDE UN PROGRAMA INFORMATICO DE RECONOCIMIENTO DE RED DE NEURONAS: LA INVENCION SE REFIERE TAMBIEN A UN DISPOSITIVO DE IDENTIFICACION DE CARACTERES (1) ESCRITOS SOBRE SUSTRATOS (2) QUE PERMITE APLICAR UN PROCESO DE IDENTIFICACION SEGUN LA INVENCION. APLICACION PARTICULARMENTE EN LA FABRICACION DE LOS CIRCUITOS INTEGRADOS.
ES94931618T 1993-10-21 1994-10-21 Procedimientos y dispositivos de identificacion de caracteres inscritos sobre substratos. Expired - Lifetime ES2115266T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9312770A FR2711824B1 (fr) 1993-10-21 1993-10-21 Procédés et dispositifs d'identification de caractères inscrits sur des substrats.

Publications (1)

Publication Number Publication Date
ES2115266T3 true ES2115266T3 (es) 1998-06-16

Family

ID=9452230

Family Applications (1)

Application Number Title Priority Date Filing Date
ES94931618T Expired - Lifetime ES2115266T3 (es) 1993-10-21 1994-10-21 Procedimientos y dispositivos de identificacion de caracteres inscritos sobre substratos.

Country Status (8)

Country Link
EP (1) EP0724753B1 (es)
JP (1) JP3252327B2 (es)
KR (1) KR100346828B1 (es)
AT (1) ATE164697T1 (es)
DE (1) DE69409395T2 (es)
ES (1) ES2115266T3 (es)
FR (1) FR2711824B1 (es)
WO (1) WO1995011491A1 (es)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2751769B1 (fr) * 1996-07-29 1998-10-09 Recif Sa Procede et appareil d'identification de caracteres formes sur une pluralite de plaquettes de silicium
US7016539B1 (en) 1998-07-13 2006-03-21 Cognex Corporation Method for fast, robust, multi-dimensional pattern recognition
FR2835337B1 (fr) 2002-01-29 2004-08-20 Recif Sa Procede et dispositif d'identification de caracteres inscrits sur une plaque de semi-conducteur comportant au moins une marque d'orientation
US8081820B2 (en) 2003-07-22 2011-12-20 Cognex Technology And Investment Corporation Method for partitioning a pattern into optimized sub-patterns
US7639861B2 (en) 2005-09-14 2009-12-29 Cognex Technology And Investment Corporation Method and apparatus for backlighting a wafer during alignment
US9734419B1 (en) 2008-12-30 2017-08-15 Cognex Corporation System and method for validating camera calibration in a vision system
US9533418B2 (en) 2009-05-29 2017-01-03 Cognex Corporation Methods and apparatus for practical 3D vision system
US9393694B2 (en) 2010-05-14 2016-07-19 Cognex Corporation System and method for robust calibration between a machine vision system and a robot
US9124873B2 (en) 2010-12-08 2015-09-01 Cognex Corporation System and method for finding correspondence between cameras in a three-dimensional vision system
DE202012003661U1 (de) * 2012-04-12 2013-07-15 Mühlbauer Ag Vorrichtung zum Erkennen von Codes
US9679224B2 (en) 2013-06-28 2017-06-13 Cognex Corporation Semi-supervised method for training multiple pattern recognition and registration tool models

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3899687A (en) * 1972-07-10 1975-08-12 Identicon Corp Optical label scanning
FR2594982A1 (fr) * 1986-02-21 1987-08-28 Eram Sarl Manuf Fse Chaussures Mode de realisation de codes a lecture optique, procede de lecture desdits codes et installation pour la mise en oeuvre du procede
DE3742485A1 (de) * 1987-12-15 1989-06-29 Sick Optik Elektronik Erwin Optische abtastvorrichtung

Also Published As

Publication number Publication date
JP3252327B2 (ja) 2002-02-04
WO1995011491A1 (fr) 1995-04-27
FR2711824B1 (fr) 1996-01-05
KR100346828B1 (ko) 2002-11-13
JPH09504892A (ja) 1997-05-13
FR2711824A1 (fr) 1995-05-05
ATE164697T1 (de) 1998-04-15
KR960705282A (ko) 1996-10-09
DE69409395T2 (de) 1998-10-15
EP0724753A1 (fr) 1996-08-07
DE69409395D1 (de) 1998-05-07
EP0724753B1 (fr) 1998-04-01

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