Can you solder without flux?

Related questions

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4. What is a mechanical layer?
5. What is via filling?
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7. What is the purpose of solder paste?
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Tags

1. #solder
2. #electrical
3. #oxide
4. #connection
5. #aluminum
6. #without
7. #layers
8. #allow
9. #surfaces
10. #parts
11. #metal
12. #allows
13. #soldering
14. #breaks
15. #copper
16. #difficult
17. #sorts