Invention Grant
- Patent Title: Printed hygroscopic electrodes for low-cost capacitive relative humidity sensors
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Application No.: US16176067Application Date: 2018-10-31
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Publication No.: US11143615B2Publication Date: 2021-10-12
- Inventor: Adrien Pierre , Sean Emerson Doris , David Eric Schwartz
- Applicant: Palo Alto Research Center Incorporated
- Applicant Address: US CA Palo Alto
- Assignee: Palo Alto Research Center Incorporated
- Current Assignee: Palo Alto Research Center Incorporated
- Current Assignee Address: US CA Palo Alto
- Agency: Fay Sharpe LLP
- Main IPC: G01N27/22
- IPC: G01N27/22 ; G01N27/60
Abstract:
A capacitive relative humidity sensor includes a first electrode and a second electrode, where at least the one of the electrodes is a water-permeable electrode. The electrodes act in conjunction with a water-sensitive hygroscopic dielectric material. The design enables low-cost and simple fabrication of fast-responding and stable relative humidity sensors using digital fabrication techniques.
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