Electronic part containing a metal component sourced from a conflict-free mine site and a method of forming thereof
A method of forming an electronic part comprising a metal component is provided. The method includes obtaining an unverified mineral sample from a mine site, analyzing the unverified mineral sample via quantitative mineralogical analysis and comparing data collected during the quantitative mineralogical analysis for the sample to data in a database that corresponds to quantitative mineralogical analysis collected for verified mineral samples sourced from one or more mine sites from the conflict-free geographic region to determine if the unverified mineral sample is sourced from one or more mine sites from the conflict-free geographic region. If it is determined that the unverified mineral sample is sourced from one or more mine sites from the conflict-free geographic region, the method then involves converting the unverified sample into the metal component. The electronic part can be a capacitor, medical device, filter, inductor, active electrode, antenna, sensor, or battery.
1. A method of forming an electronic part comprising a metal component, the method comprising:
obtaining an unverified mineral sample from a mine site;
analyzing the unverified mineral sample via quantitative mineralogical analysis and comparing data collected during the quantitative mineralogical analysis for the unverified mineral sample to data in a database that corresponds to quantitative mineralogical analysis collected for verified mineral samples sourced from one or more mine sites from a conflict-free geographic region to determine if the unverified mineral sample is sourced from the one or more mine sites from the conflict-free geographic region, wherein analyzing the unverified mineral sample via quantitative mineralogical analysis comprises performing automated mineralogy testing on the unverified mineral sample and identifying grains for additional testing based on data obtained during automated mineralogy testing, wherein from about 25 grains to about 125 grains are identified for additional testing; and
if it is determined that the unverified mineral sample is sourced from the one or more mine sites from the conflict-free geographic region, converting the unverified mineral sample into the metal component.
2. The method of claim 1 , further comprising rejecting the unverified mineral sample if it cannot be determined that the mineral sample is sourced from the one or more mine sites from the conflict-free geographic region.
3. The method of claim 1 , wherein the conflict-free geographic region excludes the Democratic Republic of Congo, Angola, Burundi, Central African Republic, Congo Republic, Rwanda, Sudan, Tanzania, Uganda, and Zambia.
4. The method of claim 1 , wherein analyzing the unverified mineral sample via quantitative mineralogical analysis comprises polishing the unverified mineral sample to expose grain interiors present in the unverified mineral sample.
5. The method of claim 1 , further comprising performing electron micro probe analysis (EMPA) on the identified grains.
6. The method of claim 5 , further comprising performing laser ablation inductively coupled plasma spectrometry (LA-ICP-MS) on the identified grains.
7. The method of claim 6 , wherein it is determined that the unverified mineral sample is sourced from the one or more mine sites from the conflict-free geographic region if data collected during the automated mineralogy testing, EMPA, and LA-ICP-MS for the unverified mineral sample substantially matches data collected during the automated mineralogy testing, EMPA, and LA-ICP-MS for one of the verified mineral samples sourced from the one or more mine sites from the conflict-free geographic region.
8. The method of claim 1 , wherein the electronic part is a capacitor.
9. The method of claim 8 , wherein the capacitor is a ceramic capacitor, a solid electrolytic capacitor, or a wet electrolytic capacitor.