http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-6928294-B1
Outgoing Links
| Predicate | Object |
|---|---|
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B23K35-262 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B23K35-025 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C22C13-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B23K35-362 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B23K35-3613 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B23K35-26 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B23K35-363 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C22C13-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C22C13-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B23K35-22 |
| filingDate | 2020-10-02-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2021-09-01-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2021-09-01-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | JP-6928294-B1 |
| titleOfInvention | Solder paste |
| abstract | PROBLEM TO BE SOLVED: To provide a solder paste capable of suppressing an increase in viscosity of a solder paste over time, realizing soldering with less generation of voids, and suppressing the occurrence of soft errors. According to the present invention, U: less than 5 mass ppb, Th: less than 5 mass ppb, Pb: less than 5 mass ppm, As: less than 5 mass ppm, Ni: 0 mass ppm or more and 600 mass ppm or less, and Fe: A solder powder made of a solder alloy having an alloy composition of 0 mass ppm or more and 100 mass ppm or less and the balance of Sn, satisfying the formula (1), and having an α dose of 0.02 cph / cm 2 or less. A solder paste consisting of a flux containing hydrogenated methyl rosinate, N, N, N', N'-tetrakis (2-hydroxypropyl) ethylenediamine and a solvent is adopted. 20 ≦ Ni + Fe ≦ 700 (1) In the formula (1), Ni and Fe represent the contents (mass ppm) in the alloy composition. [Selection diagram] None |
| priorityDate | 2020-10-02-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 312.