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I hosted a webinar on September 13, 2024 on " How to prepare specifications when ordering piezo ceramic elements " You can watch the recording on my YouTube Channel here: https://youtu.be/dW6ahW3mH0g Here is a link to the pdf of the presentation notes: webinar_28_kp.pdf KP DISK PIEZO MATERIAL PROPERTY CALCULATOR - to determine material properties from impedance measurements made on a PZT disk Summary I explain how to use impedance measurements from piezoelectric disks to calculate material properties, covering resonance modes, experimental setups, and analysis techniques. Highlights 📊 Impedance measurements reveal material properties. 🛠️ Care in sample holder design is crucial for accuracy. 📏 Distinguishing between planar and thickness resonance is essential. 🔍 Experimental methods for impedance analysis are discussed. 🌐 Pi Ceramic is highlighted as a reputable supplier. 📈 Effective coupling factors can help analyze material properties. ⚙️ Finite element analysis (FEA) aids in property verification. Key Insights 📌 Impedance Analysis : Impedance measurements are key to determining material properties, but require careful setup and analysis to ensure accuracy. Understanding the nuances of the impedance response is critical for valid results. 📌 Resonance Modes : Differentiating between planar and thickness resonance modes is vital, as they influence the analysis of piezoelectric properties differently. Each mode has unique characteristics that affect how data is interpreted. 📌 Sample Holder Importance : The design of the sample holder significantly impacts measurement repeatability and accuracy, emphasizing the need for precision engineering in experimental setups. 📌 Material vs. Disk Properties : It’s essential to distinguish between properties of the piezoelectric disk and the underlying material properties, as they can lead to different conclusions if conflated. 📌 Finite Element Analysis (FEA) : Utilizing FEA can provide more accurate simulations and help verify experimental results, particularly when dealing with complex geometries or small samples. 📌 Supplier Quality : Choosing high-quality suppliers like Pi Ceramic ensures reliable materials that can withstand rigorous testing, contributing to overall system performance. 📌 Capacitance Measurement : Capacitance comparisons can be utilized across different geometries, providing a versatile method for evaluating piezoelectric materials regardless of shape or size. Sponsor information This webinar was sponsored by PI Ceramic Technology. Learn more about their piezo ceramic products at this link: https://www.piceramic.com/?utm_medium=web&utm_source=UltrasonicAdvisors&utm_campaign=ONLB_700x200_UltrasonicAdvisors_2024-0101-D181_PIC-HP *** Announcement *** My next webinar will be on Friday, October 18, 2024 at 11AM EST. I will cover Ultrasonic Advisors' Transducer Simulation Software Here is the link to sign up for the upcoming webinar: https://www.ultrasonicadvisors.com/monthly-ultrasonic-webinar
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I hosted a webinar on September 13, 2024 on " How to prepare specifications when ordering piezo ceramic elements " You can watch the recording on my YouTube Channel here: https://youtu.be/dW6ahW3mH0g Here is a link to the pdf of the presentation notes: webinar_28_kp.pdf KP DISK PIEZO MATERIAL PROPERTY CALCULATOR - to determine material properties from impedance measurements made on a PZT disk Summary I explain how to use impedance measurements from piezoelectric disks to calculate material properties, covering resonance modes, experimental setups, and analysis techniques. Highlights 📊 Impedance measurements reveal material properties. 🛠️ Care in sample holder design is crucial for accuracy. 📏 Distinguishing between planar and thickness resonance is essential. 🔍 Experimental methods for impedance analysis are discussed. 🌐 Pi Ceramic is highlighted as a reputable supplier. 📈 Effective coupling factors can help analyze material properties. ⚙️ Finite element analysis (FEA) aids in property verification. Key Insights 📌 Impedance Analysis : Impedance measurements are key to determining material properties, but require careful setup and analysis to ensure accuracy. Understanding the nuances of the impedance response is critical for valid results. 📌 Resonance Modes : Differentiating between planar and thickness resonance modes is vital, as they influence the analysis of piezoelectric properties differently. Each mode has unique characteristics that affect how data is interpreted. 📌 Sample Holder Importance : The design of the sample holder significantly impacts measurement repeatability and accuracy, emphasizing the need for precision engineering in experimental setups. 📌 Material vs. Disk Properties : It’s essential to distinguish between properties of the piezoelectric disk and the underlying material properties, as they can lead to different conclusions if conflated. 📌 Finite Element Analysis (FEA) : Utilizing FEA can provide more accurate simulations and help verify experimental results, particularly when dealing with complex geometries or small samples. 📌 Supplier Quality : Choosing high-quality suppliers like Pi Ceramic ensures reliable materials that can withstand rigorous testing, contributing to overall system performance. 📌 Capacitance Measurement : Capacitance comparisons can be utilized across different geometries, providing a versatile method for evaluating piezoelectric materials regardless of shape or size. Sponsor information This webinar was sponsored by PI Ceramic Technology. Learn more about their piezo ceramic products at this link: https://www.piceramic.com/?utm_medium=web&utm_source=UltrasonicAdvisors&utm_campaign=ONLB_700x200_UltrasonicAdvisors_2024-0101-D181_PIC-HP *** Announcement *** My next webinar will be on Friday, October 18, 2024 at 11AM EST. I will cover Ultrasonic Advisors' Transducer Simulation Software Here is the link to sign up for the upcoming webinar: https://www.ultrasonicadvisors.com/monthly-ultrasonic-webinar
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I hosted a webinar on June 21, 2024 on " How to prepare specifications when ordering piezo ceramic elements " You can watch the recording on my YouTube Channel here: https://youtu.be/DURMwF6_mQI Here is a link to the pdf of the presentation notes: Webinar 27 - Piezo specs prep.pdf Summary In this webinar, I speak on the following topics: (1) General view of tolerances/specifications for piezo/PZT ceramic elements (2) What can we specify? (electrical and mechanical parameters) (3) Methodology for determining specifications (4) True ceramic vendor stories Sponsor information This webinar was sponsored by PI Ceramic Technology. Learn more about their piezo ceramic products at this link: https://www.piceramic.com/?utm_medium=web&utm_source=UltrasonicAdvisors&utm_campaign=ONLB_700x200_UltrasonicAdvisors_2024-0101-D181_PIC-HP *** Announcement *** My next webinar will be on Friday, July 26, 2023 at 11AM EST. I will cover Using a microphone for ultrasonic transducer analysis Here is the link to sign up for the upcoming webinar: https://www.ultrasonicadvisors.com/monthly-ultrasonic-webinar
I hosted a webinar on May 17, 2024 on " How to analyze electrical impedance properties of piezoelectric sensors " You can watch the recording on my YouTube Channel here: https://youtu.be/3ycLAfSXyEE Here is a link to the pdf of the presentation notes: Webinar 26 - sensor Piezo.pdf Summary In this webinar, I (1) review piezo sensor equations (2) describe how to analyze piezo voltage when external circuits are applied and (3) describe voltage and charge amplifier circuits used to stabilize and amplify the sensor output. Sponsor information This webinar was sponsored by PI Ceramic Technology. Learn more about their piezo ceramic products at this link: https://www.piceramic.com/?utm_medium=web&utm_source=UltrasonicAdvisors&utm_campaign=ONLB_700x200_UltrasonicAdvisors_2024-0101-D181_PIC-HP *** Announcement *** My next webinar will be on Friday, June 21, 2023 at 11AM EST. I will cover Piezo sensor analysis on a simulated and prototype circuit Here is the link to sign up for the upcoming webinar: https://www.ultrasonicadvisors.com/monthly-ultrasonic-webinar
I hosted a webinar on February 26, 2024 on " Introduction to Ultrasonic Assisted Atomizers/Nebulizers/Spray Technology " You can watch the recording on my YouTube Channel here: https://youtu.be/rjuZKR5p-EY Here is a link to the pdf of the presentation notes: Webinar 25 ultrasonic atomizer spray.pdf Summary In this webinar, I described the three different method of ultrasonic atomization/droplet creation. They are: submerged, mesh, and power transducer/nozzle. Sponsor information This webinar was sponsored by PI Ceramic Technology. Learn more about their piezo ceramic products at this link: https://www.piceramic.com/?utm_medium=web&utm_source=UltrasonicAdvisors&utm_campaign=ONLB_700x200_UltrasonicAdvisors_2024-0101-D181_PIC-HP *** Announcement *** My next webinar will be on Friday, May 17, 2023 at 11AM EST. I will cover (Topic will change based on LinkedIn poll to come) Here is the link to sign up for the upcoming webinar: https://www.ultrasonicadvisors.com/monthly-ultrasonic-webinar
I hosted a webinar on January 26, 2024 on " Everything you need to know about designing and assembling power ultrasonic transducers " You can watch the recording on my YouTube Channel here: https://youtu.be/oAMjCGBXYms Here is a link to the pdf of the presentation notes: Webinar 24 - everything power transducers.pdf Summary In this webinar I gave a "catch-all" presentation on bolt-clamped ultrasonic power transducer. Specifically, I discussed: -How to design a power ultrasonic transducer (bolt-clamped) -How to assembly the transducer - How to test the transducer *** Announcement *** My next webinar will be on Friday, February 23, 2023 at 11AM EST. I will cover "How to determine to determine the requirements of your transducer application using an R&D electrical driver” (Topic will change based on LinkedIn poll to come) Here is the link to sign up for the upcoming webinar: https://www.ultrasonicadvisors.com/monthly-ultrasonic-webinar
I hosted a webinar on December 29, 2023 on " What happens to displacement at the antiresonance frequency of an ultrasonic transducer " You can watch the recording on my YouTube Channel here: https://youtu.be/Zj9fXkaEADw Here is a link to the pdf of the whiteboard notes: Webinar 23 antiresonance displacement.pdf Here is a link to the Waveforms workspace file: webinar23_wvforms_displacement.dwf3work Summary Using a laser doppler vibrometer, I demonstrate that the mechanical displacement is not affected by the antiresonance phenomenon of ultrasonic transducers. In this webinar, I show experiments and talk about theory. I also talk about mechanical antiresonance. *** Announcement *** My next webinar will be on Friday, January 5, 2023 at 11AM EST. I will cover "How to measure the accuracy and linearity of an laser doppler vibrometer for ultrasonic transducers” Here is the link to sign up for the upcoming webinar: https://www.ultrasonicadvisors.com/monthly-ultrasonic-webinar
How to use multiple transformers to increase voltage and power delivered to an ultrasonic transducer
I hosted a webinar on December 15, 2023 on " How to use multiple transformers to increase voltage and power delivered to an ultrasonic transducer " You can watch the recording on my YouTube Channel here: https://youtu.be/Xb8JaKivXzw Here is a link to the pdf of the whiteboard notes: Webinar22_double_transformers pdf Summary In this webinar, I (1) Describe the use cases of using 2 or more transformers (2) Demonstrate voltage doubling using two off the shelf transformers *** Announcement *** My next webinar will be on Friday, December 29, 2023 at 11AM EST. I will cover "What is the difference in vibrometer measurements of an ultrasonic transducer at anti-resonance and at resonance” Here is the link to sign up for the upcoming webinar: https://www.ultrasonicadvisors.com/monthly-ultrasonic-webinar
I hosted a webinar on December 8, 2023 on " How to make Impedance Measurements of Ultrasonic Transducers with the Digilent Analog Discovery " You can watch the recording on my YouTube Channel here: https://youtu.be/B8llEdp1X2o Here is a link to the pdf of the whiteboard notes: webinar21_digilent_impedance.pdf Here is a link to the calculation script: analog_discovery_impedance_script.txt Summary In this webinar, I show how to make impedance measurements of ultrasonic transducer with the Digilent Analog Discovery. I go over the following topics: (1) Overview of hardware (2) Settings overview and measuring the accuracy of the measurements (3) Measure impedance response of ultrasonic transducer – like an expert! *** Announcement *** My next webinar will be on Friday, December 15, 2023 at 11AM EST. I will cover "How to use two transformers to double voltage gain in an ultrasonic transducer drive circuit” Here is the link to sign up for the upcoming webinar: https://www.ultrasonicadvisors.com/monthly-ultrasonic-webinar
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I hosted a webinar on September 13, 2024 on " How to prepare specifications when ordering piezo ceramic elements " You can watch the recording on my YouTube Channel here: https://youtu.be/dW6ahW3mH0g Here is a link to the pdf of the presentation notes: webinar_28_kp.pdf KP DISK PIEZO MATERIAL PROPERTY CALCULATOR - to determine material properties from impedance measurements made on a PZT disk Summary I explain how to use impedance measurements from piezoelectric disks to calculate material properties, covering resonance modes, experimental setups, and analysis techniques. Highlights 📊 Impedance measurements reveal material properties. 🛠️ Care in sample holder design is crucial for accuracy. 📏 Distinguishing between planar and thickness resonance is essential. 🔍 Experimental methods for impedance analysis are discussed. 🌐 Pi Ceramic is highlighted as a reputable supplier. 📈 Effective coupling factors can help analyze material properties. ⚙️ Finite element analysis (FEA) aids in property verification. Key Insights 📌 Impedance Analysis : Impedance measurements are key to determining material properties, but require careful setup and analysis to ensure accuracy. Understanding the nuances of the impedance response is critical for valid results. 📌 Resonance Modes : Differentiating between planar and thickness resonance modes is vital, as they influence the analysis of piezoelectric properties differently. Each mode has unique characteristics that affect how data is interpreted. 📌 Sample Holder Importance : The design of the sample holder significantly impacts measurement repeatability and accuracy, emphasizing the need for precision engineering in experimental setups. 📌 Material vs. Disk Properties : It’s essential to distinguish between properties of the piezoelectric disk and the underlying material properties, as they can lead to different conclusions if conflated. 📌 Finite Element Analysis (FEA) : Utilizing FEA can provide more accurate simulations and help verify experimental results, particularly when dealing with complex geometries or small samples. 📌 Supplier Quality : Choosing high-quality suppliers like Pi Ceramic ensures reliable materials that can withstand rigorous testing, contributing to overall system performance. 📌 Capacitance Measurement : Capacitance comparisons can be utilized across different geometries, providing a versatile method for evaluating piezoelectric materials regardless of shape or size. Sponsor information This webinar was sponsored by PI Ceramic Technology. Learn more about their piezo ceramic products at this link: https://www.piceramic.com/?utm_medium=web&utm_source=UltrasonicAdvisors&utm_campaign=ONLB_700x200_UltrasonicAdvisors_2024-0101-D181_PIC-HP *** Announcement *** My next webinar will be on Friday, October 18, 2024 at 11AM EST. I will cover Ultrasonic Advisors' Transducer Simulation Software Here is the link to sign up for the upcoming webinar: https://www.ultrasonicadvisors.com/monthly-ultrasonic-webinar
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I hosted a webinar on June 21, 2024 on " How to prepare specifications when ordering piezo ceramic elements " You can watch the recording on my YouTube Channel here: https://youtu.be/DURMwF6_mQI Here is a link to the pdf of the presentation notes: Webinar 27 - Piezo specs prep.pdf Summary In this webinar, I speak on the following topics: (1) General view of tolerances/specifications for piezo/PZT ceramic elements (2) What can we specify? (electrical and mechanical parameters) (3) Methodology for determining specifications (4) True ceramic vendor stories Sponsor information This webinar was sponsored by PI Ceramic Technology. Learn more about their piezo ceramic products at this link: https://www.piceramic.com/?utm_medium=web&utm_source=UltrasonicAdvisors&utm_campaign=ONLB_700x200_UltrasonicAdvisors_2024-0101-D181_PIC-HP *** Announcement *** My next webinar will be on Friday, July 26, 2023 at 11AM EST. I will cover Using a microphone for ultrasonic transducer analysis Here is the link to sign up for the upcoming webinar: https://www.ultrasonicadvisors.com/monthly-ultrasonic-webinar
I hosted a webinar on May 17, 2024 on " How to analyze electrical impedance properties of piezoelectric sensors " You can watch the recording on my YouTube Channel here: https://youtu.be/3ycLAfSXyEE Here is a link to the pdf of the presentation notes: Webinar 26 - sensor Piezo.pdf Summary In this webinar, I (1) review piezo sensor equations (2) describe how to analyze piezo voltage when external circuits are applied and (3) describe voltage and charge amplifier circuits used to stabilize and amplify the sensor output. Sponsor information This webinar was sponsored by PI Ceramic Technology. Learn more about their piezo ceramic products at this link: https://www.piceramic.com/?utm_medium=web&utm_source=UltrasonicAdvisors&utm_campaign=ONLB_700x200_UltrasonicAdvisors_2024-0101-D181_PIC-HP *** Announcement *** My next webinar will be on Friday, June 21, 2023 at 11AM EST. I will cover Piezo sensor analysis on a simulated and prototype circuit Here is the link to sign up for the upcoming webinar: https://www.ultrasonicadvisors.com/monthly-ultrasonic-webinar
I hosted a webinar on February 26, 2024 on " Introduction to Ultrasonic Assisted Atomizers/Nebulizers/Spray Technology " You can watch the recording on my YouTube Channel here: https://youtu.be/rjuZKR5p-EY Here is a link to the pdf of the presentation notes: Webinar 25 ultrasonic atomizer spray.pdf Summary In this webinar, I described the three different method of ultrasonic atomization/droplet creation. They are: submerged, mesh, and power transducer/nozzle. Sponsor information This webinar was sponsored by PI Ceramic Technology. Learn more about their piezo ceramic products at this link: https://www.piceramic.com/?utm_medium=web&utm_source=UltrasonicAdvisors&utm_campaign=ONLB_700x200_UltrasonicAdvisors_2024-0101-D181_PIC-HP *** Announcement *** My next webinar will be on Friday, May 17, 2023 at 11AM EST. I will cover (Topic will change based on LinkedIn poll to come) Here is the link to sign up for the upcoming webinar: https://www.ultrasonicadvisors.com/monthly-ultrasonic-webinar