http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-104844250-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C04B35-584 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C04B35-622 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C04B38-00 |
| filingDate | 2015-04-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2017-07-14-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2017-07-14-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-104844250-B |
| titleOfInvention | A kind of high temperature resistant porous interlayer electromagnetic wave transparent material and preparation method thereof |
| abstract | The present invention relates to a kind of high temperature resistant porous interlayer electromagnetic wave transparent material and preparation method thereof, the electromagnetic wave transparent material includes sandwich layer and the covering that sandwich layer is clipped in the middle, wherein, preparing the raw material of sandwich layer and covering includes silicon, silicon nitride, or, the mixed powder of silicon and silicon nitride, the covering and the material of sandwich layer finally prepared is silicon nitride, the porosity of sandwich layer is 70 92%, and the porosity of covering is 20 56%. |
| priorityDate | 2015-04-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 37.