- 专利标题: 3D printed and in-situ poled flexible piezoelectric pressure sensor
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申请号: US16851400申请日: 2020-04-17
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公开(公告)号: US11849642B2公开(公告)日: 2023-12-19
- 发明人: Xudong Wang , Jun Li
- 申请人: Wisconsin Alumni Research Foundation
- 申请人地址: US WI Madison
- 专利权人: Wisconsin Alumni Research Foundation
- 当前专利权人: Wisconsin Alumni Research Foundation
- 当前专利权人地址: US WI Madison
- 代理机构: Boyle Fredrickson S.C.
- 主分类号: G01L9/08
- IPC分类号: G01L9/08 ; B33Y80/00 ; H10N30/084 ; H10N30/057 ; H10N30/092
摘要:
A piezoelectric artificial artery can be 3D printed to provide the real-time precise sensing of blood pressure and vessel motion patterns enabling early detection of partial occlusions. An electric-field assisted 3D printing method allows for rapid printing and simultaneously poled complex ferroelectric structures with high fidelity and good piezoelectric performance. The print material consists of ferroelectric potassium sodium niobate (KNN) particles embedded within a ferroelectric polyvinylidene fluoride (PVDF) polymer matrix.
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