Provided is a sound wave detection element having: a porous resin body made from a resin free from dipoles which occur due to molecular and crystalline structures; and a pressure-resistant housing.
申请公布号
WO2015167014(A1)
申请公布日期
2015.11.05
申请号
WO2015JP63094
申请日期
2015.05.01
申请人
NIPPON VALQUA INDUSTRIES, LTD.;A SCHOOL CORPORATION KANSAI UNIVERSITY