http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-208975012-U
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_dc925fec09d5c644bd065bace21739fd |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/A61N5-10 |
| filingDate | 2018-07-04-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2019-06-14-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_1973870ea7cba4773c45ed184dd70b83 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_98eb0e5177fe23e297f1c762ed89de20 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_b0090ae33780ffaa982f1fddb4461373 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_4c401d6512dba82847c98fa1504bb0ea |
| publicationDate | 2019-06-14-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-208975012-U |
| titleOfInvention | A kind of high-precision energy slit for Proton therapy system |
| abstract | The utility model relates to proton beam treatment technology, specially a kind of high-precision energy slit for Proton therapy system, high-precision energy slit for Proton therapy system, controllable beam cross section size, guarantee that the proton beam of target energy passes through, reduce proton beam loss, improve efficiency of transmission, including slit ontology (1), the shape of the slit ontology (1) is cuboid, the length L of the slit ontology (1) is 20-24cm, and the slit ontology (1) is 2g/cm by density 3 To 3g/cm 3 Graphite material be made, it is several that the slit ontology (1) is equipped with cylindrical slot (2), the center line of the cylindrical slot (2) is in the same plane, the spacing of adjacent column shape slit (2) is in 0.5cm to 1cm, the pore diameter range of the cylindrical slot (2) is 2mm to 10mm, it is coated with beryllium alumin(i)um alloy coating (3) in each cylindrical slot (2), the thickness of the beryllium alumin(i)um alloy coating (3) is no more than 0.1mm. |
| priorityDate | 2018-07-04-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 38.