Predicate |
Object |
assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_cfdaef42ddfb6401fbbccc9e910ea84b |
classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01L2224-11 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09K13-08 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01L24-11 |
classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01L21-32134 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C23F1-44 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C23F1-18 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C23F1-16 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09K13-10 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09K13-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09K13-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09K13-08 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09K13-06 |
classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09K13-10 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09K13-08 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09K13-06 |
filingDate |
2021-09-28-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_7b4ef7ada9ff0a08a70ffc4af166346b http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_9646bfc440ac5ceff56d1a02f488179d |
publicationDate |
2022-03-31-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
publicationNumber |
US-2022098487-A1 |
titleOfInvention |
Etching composition and application thereof |
abstract |
The present disclosure discloses an etching composition. The etching composition includes: a component A: oxidizing agent 1-30 wt %; a component B: inorganic acid 0.5-20 wt %; a component C: organic acid 0-15 wt %; a component D: chelating agent 0.01-15 wt %; a component E: ionic compound and/or other inorganic acids except the inorganic acid in the component B 0-0.1 wt %; and deionized water. |
priorityDate |
2020-09-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
type |
http://data.epo.org/linked-data/def/patent/Publication |