Fraunhofer Institute for Photonic Microsystems
Fraunhofer Institute for Photonic Microsystems

Capacitive micromachined ultrasonic transducers (CMUT) Evaluation Kit

Evaluation Kit for CMUT

Customer Evaluation Kit for CMUT
© Fraunhofer IPMS
Customer Evaluation Kit for CMUT

The evaluation kit "CEK CMUT" offers interested developers of ultrasonic sensors and users the possibility to build up a fully functional test setup for the evaluation of miniaturized capacitive micromechanical ultrasonic transducers (CMUT). It consists of either one or two CMUT sensor modules, customized control electronics, and software as a web application that controls the CMUT via plug-and-play.

In the specific working range, the system is able to send or receive ultrasonic signals with high sensitivity and resolution. The system transmits the data to the web application via Ethernet or Wifi and visualizes it simultaneously.

Users can thus convince themselves of the technical advantages of CMUT technology with little effort or evaluate the sensor technology for various application scenarios - such as close-range monitoring, acoustic spectroscopy, flow measurement - in which there is a need for miniaturization with increased sensitivity at the same time.

How does our CMUT evaluation kit work?

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CMUT evaluation kit for waterborne applications

Questions and answers about our CMUTs

What are the parameters of the transmitters?

  1. We offer our single-channel standard CMUTs for air or water. Each transmitter comes with its own data sheet.
  2. The resonance frequency is approximately 2 MHz in air and 4 MHz in water. For further details, see the information sheet for the evaluation kit.
  3. Additional designs (1D, 2D, annular array) can be integrated via a development project.

Can more CMUTs be connected or provided instead of one or four CMUT units?

Depending on the available transmitters, several CMUT units can also be provided in a development project.

Are eval kits in stock? How long is the delivery time?

No, eval kits are not usually in stock. As a research institute, we build all orders for each customer from scratch. The delivery time depends on the requirements. In the standard configuration (2 channels), it is up to 8 weeks.

How much does the eval kit cost?

    1. Two basic configurations are offered, for liquids and air applications, starting in the mid-four-digit range up to the low five-digit range. The pulse generation package can also be integrated. 
    2. The maximum configuration with more than 8 channels (including external multiplexer) is in the low 6-digit range.
    3. Special customer requests can only be offered through a development project.

Are there other items that can be purchased optionally, but which I may not be aware of?

No, the evaluation kit contains everything needed for initial testing. Specific integrations and the development of new transmitters are always part of development projects.

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