Predicate |
Object |
assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_bce787970b69aeb08d159e7c101c9ed7 |
classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01J2237-3341 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01L21-02126 |
classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01L21-67207 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01L21-67069 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01J37-32587 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01J37-32357 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01L21-31105 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01J37-32091 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01J37-32532 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01L21-6831 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01J37-32477 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01L21-3065 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01J37-32715 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01L21-3105 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01L21-31116 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C23C16-0245 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01L21-31144 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01L21-67167 |
classificationIPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H01L21-02 |
classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H01L21-67 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C23C14-24 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H01L21-3065 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H01J37-32 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H01L21-3105 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H01L21-311 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H01L21-683 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C23C16-02 |
filingDate |
2018-08-21-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
grantDate |
2021-02-16-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_7cb5bf81e331188c23d218b365857d18 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_3d234124be7e513dda348c4f8808368e http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_fd17809b57459b01873da3a1c9cc660a http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_c7bc801fd112f0b7d900e1741e803319 |
publicationDate |
2021-02-16-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
publicationNumber |
US-10923367-B2 |
titleOfInvention |
Process chamber for etching low K and other dielectric films |
abstract |
Methods and process chambers for etching of low-k and other dielectric films are described. For example, a method includes modifying portions of the low-k dielectric layer with a plasma process. The modified portions of the low-k dielectric layer are etched selectively over a mask layer and unmodified portions of the low-k dielectric layer. Etch chambers having multiple chamber regions for alternately generating distinct plasmas are described. In embodiments, a first charge coupled plasma source is provided to generate an ion flux to a workpiece in one operational mode, while a secondary plasma source is provided to provide reactive species flux without significant ion flux to the workpiece in another operational mode. A controller operates to cycle the operational modes repeatedly over time to remove a desired cumulative amount of the dielectric material. |
isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-11495470-B1 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-11476145-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-11569066-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-11699572-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-11462388-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-11462389-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-11410860-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-11694876-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-11776788-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-11776789-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-11791138-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-11508554-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-11284500-B2 http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-11476090-B1 |
priorityDate |
2011-10-27-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
type |
http://data.epo.org/linked-data/def/patent/Publication |