公开(公告)号：US11714100B2

公开(公告)日：2023-08-01

申请号：US17058119

申请日：2019-05-21

申请人： COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES

发明人： Frédéric Navacchia ,  Laurent Brissonneau ,  Christian Lhuillier

IPC分类号： H10N30/01 ,  H10N30/02 ,  H10N30/08 ,  H10N30/30 ,  H10N30/88 ,  G01P15/09 ,  G01P1/02

CPC分类号： G01P15/09 ,  G01P1/023 ,  H10N30/01 ,  H10N30/02 ,  H10N30/08 ,  H10N30/302 ,  H10N30/883

摘要： A process for producing a piezoelectric sensor includes the following steps: a step of providing a housing made of stainless steel; a step of producing a solution of a compound comprising a metal or metalloid element; a step of depositing a layer of the solution over at least one inner surface of the housing; a step of oxidizing the deposited layer of solution; a step of placing a piezoelectric element inside the housing; a step of closing the housing. A piezoelectric sensor obtained by such a process and comprising a closed steel housing, a piezoelectric element arranged inside the housing and a layer of a solution of a compound comprising a metal or metalloid element that is arranged over at least one inner surface of the housing.