| 摘要 |
A multilayer ultrasonic transducer includes a multilayer piezoelectric substrate assembly ( 100 ) laminated with a first and a second piezoelectric substrate on top of each other, and having a first electrode node ( 42 ) and a second electrode ( 44 ) node polarized with a primary electrode and a secondary electrode, respectively, a flexible printed circuit board coupled to the first electrode node, a backing block with a predetermined thickness surrounded by the flexible printed circuit board, a ground flexible printed circuit board coupled to the second electrode node, and an acoustic matching layer deposited on the multilayer piezoelectric substrate assembly.
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