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Image Sensor for Detection of Gases: Development of a MOS device as a chemical image sensor for the detection and classification of gases through the Scanning Light Pulse Technique - Couverture souple

Braga, Mauro Sergio; J. Salcedo, W.; J. Ramirez-Fernandez, F.

 
9783639256482: Image Sensor for Detection of Gases: Development of a MOS device as a chemical image sensor for the detection and classification of gases through the Scanning Light Pulse Technique
Couverture souple
ISBN 10 : 3639256484 ISBN 13 : 9783639256482
Editeur : VDM Verlag Dr. Müller, 2010

Synopsis

This work shows the results of silicon MOS device as a sensor of chemical image, for the detection and classification of hydrogen and ammonia gases, through the Scanning Light Pulse Technique (SLPT). The gate of the device was built from an Au-Pd bimetallic electrode, with nanometric thickness. It was proposed an X Y automatic position system for scanning the light pulsed beam, based on the PID control and on the Labview® software. The data acquisition process was also automated via virtual instrumentation defined by the Labview® software. The MOS device showed maximum sensitivity for hydrogen and ammonia gases when the width of the depletion layer has maximum value. The chemical images obtained from the MOS sensor response, in SLPT operation mode for hydrogen and ammonia environments, respectively, showed characteristic patterns to each kind of gas, independent of the concentration used, allowing the complete classification of these gases. The results obtained in the present work suggest the possibility of implementing an electronic nose system, using only one sensor.

Les informations fournies dans la section « Synopsis » peuvent faire référence à une autre édition de ce titre.

Présentation de l'éditeur

This work shows the results of silicon MOS device as a sensor of chemical image, for the detection and classification of hydrogen and ammonia gases, through the Scanning Light Pulse Technique (SLPT). The gate of the device was built from an Au-Pd bimetallic electrode, with nanometric thickness. It was proposed an X Y automatic position system for scanning the light pulsed beam, based on the PID control and on the Labview® software. The data acquisition process was also automated via virtual instrumentation defined by the Labview® software. The MOS device showed maximum sensitivity for hydrogen and ammonia gases when the width of the depletion layer has maximum value. The chemical images obtained from the MOS sensor response, in SLPT operation mode for hydrogen and ammonia environments, respectively, showed characteristic patterns to each kind of gas, independent of the concentration used, allowing the complete classification of these gases. The results obtained in the present work suggest the possibility of implementing an electronic nose system, using only one sensor.

Biographie de l'auteur

Mauro Sergio Braga is Master Science in Electric Engineering at Polytechnic School of São Paulo University (EPUSP). Professor at São Paulo Federal Institute of Education, Science and Technology (IFSP). Walter Jaimes Salcedo is Associated Professor at EPUSP. Francisco Javier Ramirez-Fernandez is Titular Professor at EPUSP.

Mauro Sergio Braga is Master Science in Electric Engineering at Polytechnic School of São Paulo University (EPUSP). Professor at São Paulo Federal Institute of Education, Science and Technology (IFSP). Walter Jaimes Salcedo is Associated Professor at EPUSP. Francisco Javier Ramirez-Fernandez is Titular Professor at EPUSP.

Mauro Sergio Braga is Master Science in Electric Engineering at Polytechnic School of São Paulo University (EPUSP). Professor at São Paulo Federal Institute of Education, Science and Technology (IFSP). Walter Jaimes Salcedo is Associated Professor at EPUSP. Francisco Javier Ramirez-Fernandez is Titular Professor at EPUSP.

Les informations fournies dans la section « A propos du livre » peuvent faire référence à une autre édition de ce titre.

Éditeur
VDM Verlag Dr. Müller
Date d'édition
2010
Langue
anglais
ISBN 10 
3639256484
ISBN 13 
9783639256482
Reliure
Broché
Nombre de pages
108
Coordonnées du fabricant
non disponible
Personne responsable
non disponible