Fluorescent solder paste mixture

Details Fluorescent solder paste mixture Fluorescent solder paste mixture

1985-12-09

1987-06-02

Smith, John D.

Coating processes

Electrical product produced

Integrated circuit, printed circuit, or circuit board

427310, 148 23, 148 24, 29840, 25230116, B05D 512

Patent

active

046702989

ABSTRACT:
A fluorescent solder paste mixture comprising a fluorescent pigment dispersed in a solder paste is disclosed. The solder paste comprises solder fragments dispersed in a solder flux. A method for making the solder paste mixture and a method for using the solder paste mixture to make a fluorescent solder joint between an electrical component and a circuit board are also disclosed. Use of the fluorescent solder paste mixture facilitates automatic and manual inspection of circuit boards during and after assembly.

REFERENCES:
patent: 3139360 (1964-06-01), Voida
patent: 3406285 (1968-10-01), Scorgie et al.
patent: 3962116 (1976-06-01), Bloching
patent: 4269870 (1981-05-01), Boynton
patent: 4298407 (1981-11-01), Taylor
patent: 4404237 (1983-09-01), Eichelberger
patent: 4457861 (1984-07-01), DesMarais
patent: 4557767 (1985-12-01), Hwang

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