Continuous oven for soldering electronic components

Details Continuous oven for soldering electronic components Continuous oven for soldering electronic components

1988-10-26

1990-04-10

Yuen, Henry C.

Heating

Advancing structure flexing, looping or coiling sheet, web...

432128, 432 78, F27B 928

Patent

active

049156241

ABSTRACT:
Continuous ovens are known for soldering electronic components on circuit boards, with a conveyor belt having supports for the circuit boards, and having infrared radiators disposed in a spaced-apart relationship along the conveyor belt above and/or below the plane of belt movement, which are associated with at least one preheating zone and, following this zone in the direction of movement of the belt, with a soldering zone. To develop a continuous oven such that the temperatures between large and small components to be soldered on circuit board will be nearer one another in the soldering zone than in conventional ovens, a cooling zone is disposed between the preheating zone and the soldering zone, in which a forced cooling is performed with a gaseous coolant which is driven by a blower through nozzles disposed in the cooling zone substantially perpendicularly to the plane of the conveyor belt.

REFERENCES:
patent: 3982887 (1976-09-01), Kendziora et al.
patent: 4249895 (1981-02-01), Mantegani
patent: 4627814 (1986-12-01), Hattori et al.
patent: 4790749 (1988-12-01), Mauro

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