| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_1a34d7d2e0d09a58cb7bf4a04c81162e |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10S438-942 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01L21-76808 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H01L21-768 |
| filingDate |
2000-04-11^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
2004-11-02^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_8dd7d01c2b5feee92b9ced26bf093e4c
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_fe55735c125bd2248ad56e76b7034629
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_eafebd43bc8f3a64a97598ee8d6a63f3 |
| publicationDate |
2004-11-02^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-6812131-B1 |
| titleOfInvention |
Use of sacrificial inorganic dielectrics for dual damascene processes utilizing organic intermetal dielectrics |
| abstract |
Dual damascene methods of fabricating conducting lines and vias in organic intermetal dielectric layers utilize sacrificial inorganic dielectrics. In one embodiment, a via opening formed in organic intermetal dielectric layers is filled with sacrificial inorganic dielectric. A line opening is formed aligned with the via opening. The sacrificial inorganic dielectric is selectively removed. The via and line openings are filled with conducting material. In a second embodiment, a line opening formed in organic intermetal dielectric layers is filled with sacrificial inorganic dielectric. A via opening is formed aligned with the line opening. The sacrificial inorganic dielectric is selectively removed. The via and line openings are filled with conducting material. The sacrificial inorganic dielectrics protect the organic intermetal dielectric layers, preserving critical dimensions and facilitating photoresist rework. The sacrificial inorganic dielectrics are removed without damaging the organic intermetal dielectric layers. |
| isCitedBy |
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http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-7022600-B2 |
| priorityDate |
2000-04-11^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |