Differential pressure wave soldering system

Details Differential pressure wave soldering system Differential pressure wave soldering system

1975-09-02

1976-11-23

Smith, Al Lawrence

Metal fusion bonding

Including means to apply flux or filler to work or applicator

By partial or total immersion of work or applicator into liquid

228180R, 228257, 228260, 118410, B23K 306

Patent

active

039932354

ABSTRACT:
A mass soldering system is described in which a standing wave of molten solder is formed. The solder wave is characterized by having a substantially horizontal crest, and the wave has varying pressures along its flow path. In a preferred embodiment of the invention the wave pressures are varied to produce a wave having increasing pressure along its flow path whereby a substantially uni-directional wave may be formed which is highest adjacent its rear.

REFERENCES:
patent: 3004505 (1961-10-01), Dvorak
patent: 3207128 (1965-09-01), Leavitt et al.
patent: 3217959 (1965-11-01), Renzo
patent: 3398873 (1968-08-01), Wegener et al.
patent: 3713876 (1973-01-01), Lavric

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