| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_aaadcd534c1edeab62f85ec7991cb759 |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C04B2235-602
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C04B2235-6567
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C04B2235-77
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C04B2235-3201
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C04B2235-96 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C04B35-495
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C04B35-624
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C04B35-62605
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H10N30-097 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H01L41-43
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C04B35-495
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C04B35-626
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C04B35-624 |
| filingDate |
2017-06-09-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_df3d6a3f72d28477ea265def9bbbcae9
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_4d2195b58214eee72fbd770016345633
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_86bb746f4bb526a75f8766eadf7ba965
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_b1ced78ee5227dd8b4899e85e148554b |
| publicationDate |
2017-09-15-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
CN-107162593-A |
| titleOfInvention |
A kind of preparation method of sodium potassium niobate lead-free piezoelectric ceramics |
| abstract |
The invention discloses a preparation method of potassium sodium niobate lead-free piezoelectric ceramics. Firstly, potassium sodium niobate nanopowder is prepared, and then a certain proportion of grinding solution is added to the potassium sodium niobate nanopowder. And molding under pressure, you can get a green ceramic sheet with a molding density of more than 70%, and then sinter at 1050-1150°C to make potassium sodium niobate lead-free piezoelectric ceramics. The invention has simple process steps, is easy to operate, and can increase the density of the green body by up to 100%. The increase in the density of the green body widens the sintering temperature range of KNN ceramics and improves the flexibility of the production process. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-107857590-B
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-108892506-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-107857590-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-108585847-A |
| priorityDate |
2017-06-09-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |