公开(公告)号：EP3038763A1

公开(公告)日：2016-07-06

申请号：EP14752331.0

申请日：2014-08-18

申请人： Koninklijke Philips N.V.

发明人： BROCK-FISHER, George Anthony ,  DAVIDSEN, Richard Edward ,  HERICKHOFF, Carl Dean ,  MARCELIS, Bout ,  SUDOL, Wojtek ,  SONG, Junho

IPC分类号： B06B1/02 ,  G10K11/00

CPC分类号： B06B1/0292 ,  A61B8/4494 ,  G10K11/002

摘要： The invention relates to a capacitive micro-machined ultrasound transducer (CMUT) cell (6) comprising a cell floor (31) having a first electrode (7); a cell membrane (5) having a second electrode (7') which opposes the first electrode and vibrates during transmission or reception of acoustic energy; a transmitter/receiver coupled to the first and second electrodes which causes the cell membrane to vibrate at an acoustic frequency and/or receives signals at an acoustic frequency; and an acoustic lens (13), overlaying the cell membrane, and having an inner surface opposing the cell membrane and an outer, patient-facing surface. According to the present invention the acoustic lens comprises at least one layer of a material selected from the group of: polybudatiene, polyether block amide (PEBAX), polydimethylsiloxane (PDMS) and buthylrubber.