| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_f238e7fd72ba8a5336cca207abd7fe70 |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01S5-1237 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01S5-12
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01S5-22 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H01L21-205
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G02B6-12
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H01S5-12
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H01S5-22
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H01L21-306
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H01S3-06
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G02B6-122
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H01S5-00 |
| filingDate |
1985-03-07-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
1995-05-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_c3362faa5426e3c0565b600a00f58b12
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_9c4a135fed8890d931199c6d2075fa89
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_20cc201ad715d0fe5076cf2eb62a48ae |
| publicationDate |
1995-05-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
EP-0156566-B2 |
| titleOfInvention |
Semiconductor devices |
| abstract |
A semiconductor device comprises a base semiconductor portion and, thereon, first and second elevated semiconductor portions separated by a channel. The uppermost surface of the first elevated semiconductor portion carries a metal electrical contact layer and the uppermost of the second a dielectric layer. The surfaces defining the channel are substantially free of metal and dielectric.The structure can be used in a ridge waveguide laser, the first elevated semiconductor portion constituting the ridge (7", 8").Distributed feedback corrugations may be incorporated in such devices (6), or in other ridge waveguide structures. |
| priorityDate |
1984-03-12-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |