http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-2791665-A1
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_28a89f8dab024e02ae765d1273e716f1 http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_06012eb4e52426b0f3871e7f88197f95 |
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G01N2291-0426 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G01N29-022 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G01N29-036 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G01N29-326 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G01N29-2437 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G01N29-036 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G01N29-32 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G01N29-24 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G01N29-02 |
| filingDate | 2012-12-14-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_c99366677f30d85b53b8d653b7ec3942 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_73f9592f645380049d35047c5aec8ba1 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_376526c8258671729de07462c0069d12 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_38e3f5f9241234212dd9d479360cd5ae http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_46eeb5d881b2e1201c1b43d75fb897f5 |
| publicationDate | 2014-10-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | EP-2791665-A1 |
| titleOfInvention | Identification of environmental sensor changes and temperature sensor changes with a two layer bulk acoustic wave resonator |
| abstract | Provided is a method for measurement of a change in environment at a sensor. The sensor has: a first layer formed of a piezoelectric material; a second layer formed adjacent the first layer and acoustically coupled with the first layer; and electrodes disposed to apply a driving signal to the first layer to generate bulk acoustic waves. The temperature coefficient of frequency of the first layer is different to that of the second layer. In the method, a first layer resonant frequency associated with the first layer and a combination resonant frequency associated with a combination of the first and second layers are detected. A shift in one or both of the first layer resonant frequency and the combination resonant frequency is detected. A portion of the shift caused by a temperature change at the sensor is identified. Another portion of the shift caused by an environmental change at the sensor other than the temperature change is identified. Also provided is a corresponding sensor and sensor system operable to carry out the method. |
| priorityDate | 2011-12-15-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 27.