<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p>This paper presents an investigation on using sol-gel thin film as a material for sensors application in LTCC (Low Temperature Co-fired Ceramics) technology. This material gives the opportunity to make new, low-cost highly integrated optoelectronic devices. Sensors with optical detection are a significant part of these applications. They can be used for quick and safe diagnostics of some parameters. Authors present a pH detector with the optical detection system made of the LTCC material. The main part of the device is a flow channel with the chamber and sol-gel active material. The silica sol-gel with bromocresol green indicator was used. As the absorbance of sol-gel layer changes with the pH value of a measured medium, the transmitted light power was measured. The pH detector was integrated with the electronic components on the LTCC substrate.</p></abstract>

This paper presents an investigation on using sol-gel thin film as a material for sensors application in LTCC (Low Temperature Co-fired Ceramics) technology. This material gives the opportunity to make new, low-cost highly integrated optoelectronic devices. Sensors with optical detection are a significant part of these applications. They can be used for quick and safe diagnostics of some parameters. Authors present a pH detector with the optical detection system made of the LTCC material. The main part of the device is a flow channel with the chamber and sol-gel active material. The silica sol-gel with bromocresol green indicator was used. As the absorbance of sol-gel layer changes with the pH value of a measured medium, the transmitted light power was measured. The pH detector was integrated with the electronic components on the LTCC substrate.

Optical pH detector based on LTCC and sol-gel technologies

Faculty of Microsystem Electronics and Photonics, Wrocław University of Technology, Janiszewskiego 11/17, 50-372, Wrocław, Poland

Institute of Low Temperature and Structure Research, Polish Academy of Sciences, Okolna 2, 50-422, Wrocław, Poland

Materials Science-Poland

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

{"article-title":"Optical pH detector based on LTCC and sol-gel technologies"}

This paper presents an investigation on using sol-gel thin film as a material for sensors application in LTCC (Low Temperature Co-fired Ceramics) technology....

Optical pH detector based on LTCC and sol-gel technologies

Published Online: Feb 09, 2013

Page range: 115 - 121

DOI: https://doi.org/10.2478/s13536-012-0075-3

Keywords
Low Temperature Cofired Ceramics LTCC, sol-gel, pH sensor, optical amonia detection

© 2013 Wroclaw University of Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Optical pH detector based on LTCC and sol-gel technologies

Published Online: Feb 09, 2013

Page range: 115 - 121

DOI: https://doi.org/10.2478/s13536-012-0075-3

KeywordsLow Temperature Cofired Ceramics LTCC, sol-gel, pH sensor, optical amonia detection

© 2013 Wroclaw University of Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
Low Temperature Cofired Ceramics LTCC, sol-gel, pH sensor, optical amonia detection