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Piezoelectric disk resonators are designed to transduce specific contour mode bulk acoustic wave (BAW) resonant shapes. Utilizing a unique property of lead magnesium niobite-lead titanate (PMN-PT) thin films, microfabricated disk resonators are characterized using laser Doppler vibrometry. PMN-PT is a ferroelectric material that is known for its piezoelectric and electrostrictive properties.<\/p>","imageObject":{"variants":[{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/0\/9\/csm_piezo-materials-and-wine-glasses_fe95840a9f.jpg.webp","type":"image\/webp","name":"default","width":"570","breakpoint":"1200"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/0\/9\/csm_piezo-materials-and-wine-glasses_fe95840a9f.jpg","name":"default","width":"570","breakpoint":"1200"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/0\/9\/csm_piezo-materials-and-wine-glasses_28f7b9110b.jpg.webp","type":"image\/webp","name":"large","width":"900","breakpoint":"992"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/0\/9\/csm_piezo-materials-and-wine-glasses_28f7b9110b.jpg","name":"large","width":"900","breakpoint":"992"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/0\/9\/csm_piezo-materials-and-wine-glasses_5123b60cb4.jpg.webp","type":"image\/webp","name":"medium","width":"1380","breakpoint":"768"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/0\/9\/csm_piezo-materials-and-wine-glasses_5123b60cb4.jpg","name":"medium","width":"1380","breakpoint":"768"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/0\/9\/csm_piezo-materials-and-wine-glasses_ede57fffc6.jpg.webp","type":"image\/webp","name":"extrasmall","width":"640","breakpoint":"320"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/0\/9\/csm_piezo-materials-and-wine-glasses_ede57fffc6.jpg","name":"extrasmall","width":"640","breakpoint":"320"}],"default":{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/0\/9\/csm_piezo-materials-and-wine-glasses_fe95840a9f.jpg","alt":"","title":""}},"link":"https:\/\/magazine.polytec.com\/cn\/what-you-always-wanted-to-know-about-piezo-materials-and-wine-glasses","origUid":7474,"readingTime":"4 min","subline":"What you always wanted to know about piezo materials and wine glasses","tags":[{"title":"Electronics, semicon, solar","uid":5},{"title":"General R&D","uid":6},{"title":"Materials research & NDT","uid":9},{"title":"Micro & nanotechnology","uid":10}],"technologies":[{"title":"Vibrometry","uid":214}],"title":"Single electrode transduction of contour modes in piezoelectric disk resonators","uid":7477,"visits":7},{"authors":[],"datetime":null,"description":"

The smartphone has shown that buttons can be replaced without sacrificing comfort. The freely configurable display with gesture control has made it even easier to switch between applications. Hap2U drives this revolution in human machine interfacing forward. Its novel technology adds high fidelity haptic feedback...<\/p>","imageObject":{"variants":[{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/6\/b\/csm_haptic-displays_bae910fdc1.jpg.webp","type":"image\/webp","name":"default","width":"570","breakpoint":"1200"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/6\/b\/csm_haptic-displays_bae910fdc1.jpg","name":"default","width":"570","breakpoint":"1200"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/6\/b\/csm_haptic-displays_8613255841.jpg.webp","type":"image\/webp","name":"large","width":"900","breakpoint":"992"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/6\/b\/csm_haptic-displays_8613255841.jpg","name":"large","width":"900","breakpoint":"992"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/magazine\/vibrometry\/image\/haptic-displays.jpg.webp","type":"image\/webp","name":"medium","width":"1380","breakpoint":"768"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/magazine\/vibrometry\/image\/haptic-displays.jpg","name":"medium","width":"1380","breakpoint":"768"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/6\/b\/csm_haptic-displays_1013b97d09.jpg.webp","type":"image\/webp","name":"extrasmall","width":"640","breakpoint":"320"},{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/6\/b\/csm_haptic-displays_1013b97d09.jpg","name":"extrasmall","width":"640","breakpoint":"320"}],"default":{"src":"https:\/\/magazine.polytec.com\/fileadmin\/_processed_\/6\/b\/csm_haptic-displays_bae910fdc1.jpg","alt":"haptische Displays","title":""}},"link":"https:\/\/magazine.polytec.com\/cn\/feeling-the-invisible","origUid":6708,"readingTime":"7 min","subline":"Feeling the invisible","tags":[{"title":"Acoustics & ultrasonics","uid":2},{"title":"Automotive & aerospace","uid":3},{"title":"Electronics, semicon, solar","uid":5}],"technologies":[{"title":"Technology Areas Magazine EU","uid":215},{"title":"Vibrometry","uid":214}],"title":"Laser vibrometry visualizing haptic feedback","uid":6711,"visits":378},{"authors":[],"datetime":null,"description":"

For applications where tactile surface measurement techniques have shortcomings, non-contact optical instruments have been developed to overcome these shortcomings. 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