Particulate matter detection device
US8820139B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Aug 24, 2011 |
| Grant date | Sep 2, 2014 |
| Priority date | — |
| Expiry date | Jul 19, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N15/0656
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A particulate matter detection device of the present invention includes a plate-like element base material, and a pair of measurement electrodes arranged in the element base material, each of the measurement electrodes is a combteeth-like electrode including a plurality of planarly arranged combteeth portions, and a comb spine portion which connects the plurality of combteeth portions of each of the measurement electrodes to one another at one end of each of the plurality of combteeth portions, the combteeth portions of the measurement electrodes are arranged to engage with each other with a space being left therebetween, and the comb spine portion of at least one of the measurement electrodes is covered with a comb spine covering portion made of a dielectric material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.