http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-114107990-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_e3228182351b7b0b1d875db3a54d5e1b |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C23F1-18 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/H05K3-067 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C23F1-02 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/H05K3-06 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C23F1-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C23F1-18 |
| filingDate | 2021-11-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_4a537b89568ff7846a2171537d2b8e3a http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_89ece1f35ca7433128a71a0c0df06635 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_8b86b1dec476fb6f8e855b54839d194d |
| publicationDate | 2022-03-01-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-114107990-A |
| titleOfInvention | High-precision circuit board acid etching solution |
| abstract | The invention provides a high-precision circuit board acid etching solution, which comprises the following components: the copper chloride content is expressed as copper ions (including Cu) 1+ And Cu 2+ ) The calculated concentration is 160g/L of 100-one-material, 0.7-1mol/L of hydrochloric acid, 0.7-1mol/L of nitric acid, 160g/L of ammonium chloride 100-one-material, 0.2-1.5g/L of complexing agent, 0.4-2.0g/L of accelerant, 0.006-0.08g/L of surfactant, 0.004-0.06g/L of bank protection agent and the balance of water; wherein the concentration of the hydrochloric acid is 36-38%. The invention has the beneficial effects that: under the low-acid environment, the acid etching solution still has high etching rate, high copper dissolution amount and high etching factor, and can completely meet the production requirement of a high-precision circuit board. |
| priorityDate | 2021-11-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
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