| Predicate |
Object |
| classificationCPCAdditional |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01L21-76811 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G03F7-0757
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G03F7-16
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G03F7-094
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01L21-02123
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09K13-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01L21-0337
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G03F7-42
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G03F7-425
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G03F7-32
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G03F7-2002
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01L21-31133
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01L21-31111
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01L21-76816
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G03F7-0035
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01L21-0273
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G03F1-80
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01L21-0274
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01L21-0332
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G03F7-0002
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H01L21-768 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H01L21-027
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09K13-00 |
| filingDate |
2017-12-15-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
2021-03-23-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate |
2021-03-23-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
CN-109427554-B |
| titleOfInvention |
Chemical solution and method for forming semiconductor device |
| abstract |
One method includes forming three layers. The three layers include a bottom layer; an intermediate layer located over the bottom layer; and a top layer located over the middle layer. The top layer includes photoresist. The method further includes removing the top layer; and removing the intermediate layer using a chemical solution. The chemical solution is free of potassium hydroxide (KOH) and includes at least one of a quaternary ammonium base and a fluorinated quaternary ammonium salt. Embodiments relate to a chemical solution and a method of forming a semiconductor device. |
| priorityDate |
2017-08-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |