A piezo ceramic transducer emits a short ultrasonic pulse which is reflected by an obstacle before being received again by the same piezo transducer.
Ceramic transducer design.
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The position of ctdco is make the component only.
In water however an additional resonance mode occurs.
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The transducer was able to satisfy all of the beyond the state of the art specifications and its weight and price were approximately one half that of the non conforming previous designs.
The distance between the transmitter and the obstacle can be calculated from the beam transit time.
There are 17 oem 16 odm 4 self patent.
A composite transducer consisting of several small piezo ceramic rings oscillates in resonance at frequencies between 20 khz and 80 khz.
It is an encapsulated piezoelectric ceramic tube.
Ctdco formerly ceramic transducer design co ltd is a leading manufacturer and supplier of piezoelectric transducer and ultrasonic sensor to domestic and international companies.
Once polarized the material exhibits piezoelectric properties allowing it to be used as a piezoelectric ceramic transducer.
This causes a small scalpel blade in a medical tool to vibrate allowing the surgeon to perform minutely small very precise cuts using substantially less cutting force and without damaging surrounding tissue.
Top countries regions supplied by ceramic transducer design co ltd.
So in air the transducer displays the same resonance modes as the unencapsulated ceramic tube.
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We don t offer the finished product with the pcb in the market.
Ceramic transducer design co ltd ctdco is a professional manufacturer of ultrasonic sensor and piezoelectric transducer in taiwan for over 25 years.
Almost all piezo ceramic transducers are supplied with an integral quarter wave matching layer to effectively couple the high characteristic acoustic impedance of piezo ceramics typically in excess of 30 mrayls into the 1 5 mrayls load that is presented by water.
Then electrodes are mounted and a dc field applied in order to polarize the ceramic material.
The free flooded ring is a simple design.
Most precision acoustics.
Download the datasheet pdf.
Such sensors are used in equipment and mechanical engineering and plant construction.
Since its establishment in 1990 it have pursued research and development the elements only in taiwan.
To create piezoelectric ceramics polycrystalline ceramics are fired and baked at a high temperature.