SENSOR, OBJECT POSITIONING SYSTEM, LITHOGRAPHIC APPARATUS AND DEVICE MANUFACTURING METHOD
A sensor includes two shear-mode piezoelectric transducers, wherein each piezoelectric transducer has a bottom surface and a top surface, wherein the top surfaces of the piezoelectric transducers are rigidly connected to each other, and wherein the bottom surfaces of the piezoelectric transducers ar...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | A sensor includes two shear-mode piezoelectric transducers, wherein each piezoelectric transducer has a bottom surface and a top surface, wherein the top surfaces of the piezoelectric transducers are rigidly connected to each other, and wherein the bottom surfaces of the piezoelectric transducers are configured to be attached to an object to be measured. |
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