About: http://webisa.webdatacommons.org/120583130

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	In this embodiment, however, the grooves 61 a and 61 b extending into the piezoelectric sheet 42 are formed by the portions other than the vicinity of the acute portion of the main electrode portion 35 a of each individual electrode 35.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com