Manufacture of coated spheres

Details Manufacture of coated spheres Manufacture of coated spheres

1995-06-30

1998-04-07

Theisen, Mary Lynn

Plastic and nonmetallic article shaping or treating: processes

Formation of solid particulate material directly from molten...

With subsequent uniting of the particles

264 7, 75332, B29B 910

Patent

active

057360740

ABSTRACT:
Solid spheres of substantially uniform size and shape and coated with a lower temperature melting material are formed for use in interconnect arrays, solder pastes, Z-axis conduction adhesives, etc. Drops of two materials are merged in flight forming a coating of the lower melting temperature material on the drop of higher melting temperature material.

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patent: 4426337 (1984-01-01), Suzuki et al.
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patent: 5053100 (1991-10-01), Hayes et al.
patent: 5063011 (1991-11-01), Rutz et al.
patent: 5153092 (1992-10-01), Kao et al.
patent: 5193738 (1993-03-01), Hayes
patent: 5229016 (1993-07-01), Hayes et al.
patent: 5377902 (1995-01-01), Hayes
patent: 5411602 (1995-05-01), Hayes

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