http://rdf.ncbi.nlm.nih.gov/pubchem/patent/TW-434652-B
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_4efee27937b4a512f45809fed5293747 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01L21-3225 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01L21-324 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H01L21-26 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H01L21-322 |
| filingDate | 1999-10-20-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2001-05-16-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_ba437c0732e326b04d3e7766ee2c9fef |
| publicationDate | 2001-05-16-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | TW-434652-B |
| titleOfInvention | Thermal anneal of ideal precipitating wafer to eliminate agglomerated vacancy defects |
| abstract | A process for heat-treating a single crystal silicon wafer to dissolve agglomerated vacancy defects and to influence the precipitation behavior of oxygen in the wafer in a subsequent thermal processing step is disclosed. The wafer has a front surface, a back surface, and a central plane between the front and back surfaces. In the process, the wafer is subjected to a thermal anneal to dissolve agglomerated vacancy defects present in a stratum extending from the front surface toward the center of the wafer. The annealed wafer is then heat-treated to form crystal lattice vacancies, the vacancies being formed in the bulk of the silicon. The heat-treated wafer is cooled from the temperature of said heat treatment at a rate which allows some, but not all, of the crystal lattice vacancies to diffuse to the front surface to produce a wafer having a vacancy concentration profile in which the peak density is at or near the central plane with the concentration generally decreasing in the direction of the front surface of the wafer. |
| priorityDate | 1998-09-02-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 31.