An ultrasonic cutter comprises a piezoelectric element having a driving portion and a cutting portion integral with the driving portion. The cutter may comprise a single piece PZT ceramic, and have a resonant frequency over 100 kHz, or over 250 kHz, or over 500 kHz.
申请公布号
WO03103504(A2)
申请公布日期
2003.12.18
申请号
WO2003GB02436
申请日期
2003.06.05
申请人
FFR INTELP LIMITED;RAWSON, FRANCIS, FREDERICK, HAMILTON
