4. Specialized metallurgical processes, compositions for use therei
  5. Processes
  6. Producing solid particulate free metal directly from liquid...

Chang-Rok Oh

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Apparatus for manufacturing solder balls

Metallurgical apparatus – Means for melting or vaporizing metal or treating liquefied... – Spray refining means
Reexamination Certificate

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Method of manufacturing solder balls

Specialized metallurgical processes – compositions for use therei – Processes – Producing solid particulate free metal directly from liquid...
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2151898

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