| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_7354ea558cc2cce4e772d87dde8c6c12
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_cca245a4d65de278bfdfe8ad0ce3a65b
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_bf2163b311133502e744e6fa337bd18f
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_cefd78ad25568b6e3a1bddf7cde43719
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_0474773d83c106abaa80a59579a74b99
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_6eb8564d7b545aa5fa4d241707770a3c |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C04B2235-3227
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http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C04B2235-3224
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C04B2235-3222
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http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01P2002-76
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http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01P2002-72
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C04B2235-449
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http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C04B2235-6562
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01P2006-12
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01P2004-50
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C04B2235-6027
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http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C04B2235-72 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C04B35-44
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B82Y30-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C01F17-34
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| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C01G23-047
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C04B35-44
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09K11-80
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C01F17-00 |
| filingDate |
2008-04-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_2a0a7287ee87b5e29a9d4904e78b909e
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_6daef6c8ceb962dcd41c7e483136c156
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_e4ea743f84cd4a6092cb4ab164714d85
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_e2453e37e694dcb2143cd215d9697521
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_a151ec0a0ee6abfa3e37169e06b6b94c |
| publicationDate |
2008-11-06-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
WO-2008134418-A1 |
| titleOfInvention |
Sintered polycrystalline yttrium aluminum garnet and use thereof in optical devices |
| abstract |
A transparent yttrium aluminum garnet precursor composition is provided that includes a plurality of calcined particles of yttrium aluminum oxide having a mean particle domain size of between 10 and 200 nanometers and a predominant hexagonal crystal structure. High levels of YAG transparency are obtained for large YAG articles through control of the aluminum:yttrium atomic ratio to 1:06 ± 0.001 and limiting impurity loadings to less than 100 ppm. The composition is calcined at a temperature between 700° Celsius and 900° Celsius to remove organic additives to yield a predominant metastable hexagonal phase yttrium aluminum oxide nanoparticulate having an atomic ratio of aluminum: yttrium of 1:0.6 ± 0.001. With dispersion in an organic binder and a translucent YAG article is formed having a transmittance at a wavelength of 1064 nanometers of greater than 75%. The translucent YAG article is characterized by an average domain size of less than 1 micron and having a density of at least 99% and inclusions present at less than 2 surface area percent. The ability of a batch of yttrium aluminum oxide nanoparticles to serve as a transparent YAG precursor includes collecting an X-ray fluorescence spectrum from a plurality of aluminum oxide nanoparticles having a predominant crystal structure other than garnet to yield an A1:Y raw integrated peak intensity ratio. The nanoparticles are sintered to yield a predominant garnet phase and a secondary phase and optionally isostatic pressing during sintering. By using only precursor nanoparticles with a standard deviation of ±0.003 in the peak ratio exceptionally high transparency YAG is reproducibly produced. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-10494307-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-113683407-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-113683407-B
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-102272358-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2011259261-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-3342764-A4
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/IT-RM20120612-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-101659551-B
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-11053166-B2 |
| priorityDate |
2007-04-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |