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Interdigital Electrodes (IDEs) are one of the most popular transducers, widely employed in various technological and analytical applications, especially in the field of biological and chemical sensors due to their low cost, ease of fabrication process and excellent sensitivity. Interdigital electrodes are among the most commonly used periodic electrode structures. Recent advances in such fields as nondestructive testing (NDT), microelectromechanical systems (MEMS), telecommunications, chemical sensing, piezoacoustics, and biotechnology involve interdigital electrodes in very different ways.Currently, Interdigital Electrodes (IDEs) are implemented in various sensing devices including surface acoustic wave (SAW) sensors, chemical sensors as well as current MEMS biosensors.

Interdigital Electrodes (IDEs) for capacitance derived from multiple electrode pairs has been connected in parallel with wide proof mass, folded spring beam attached as anchor in the sensor construction. The total capacitance was a sum of capacitance contributed by neighbouring electrodes. Hence the opposite walls of comb electrodes in the overlapping region form a parallel plate capacitor and contribute a capacitance easily analyzed with fringe capacitance can be estimated to analytically difficult one.

Interdigital Electrodes (IDEs) and transducers (IDC-T) When a voltage is applied to an Interdigital Electrodes, it forms a capacitance with a fringing electric field across the metallic structures. The impedance of this Interdigital Electrodes circuit can be measured, thus providing a sensor device capable of gauging changes in the dielectric properties of materials penetrated by the electric field lines.

This type of dielectrometrical sensors is used to monitor the curing process of polymer-based resins or in nondestructive material testing. In general, the Interdigital Electrodes sensors are suitable for all applications in which changes in the material under test (MUT) can be measured as changes in the dielectric properties of said material.

Our company can fulfill almost any Interdigital Electrodes (IDEs) ( capacitive or resistive) pattern design. Where there are very specific requirements, our highly experienced and skilled development and engineering teams collaborate closely with customers to develop and deliver innovative solutions. Whether it is non-destructive testing,moisture and gas sensing, process control or any other application, Panda PCB has the technology and the processes in place to manufacture precisely to customer specifications.
Material Substrate Can be : Aluminium Oxide, Aluminium Nitride, glass, silicon wafers, piezoelectric ceramics, microwave dielectric ceramics, plastic films.

Material Substrate Can be : Aluminium Oxide, Aluminium Nitride, glass, silicon wafers, piezoelectric ceramics, PI , FR4, PET, microwave dielectric ceramics, plastic films.

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Interdigital Electrodes (IDEs)

What is Interdigital Electrodes (IDEs) ?