Baking oven for printed circuit substrates

Details Baking oven for printed circuit substrates Baking oven for printed circuit substrates

1987-08-31

1989-05-16

Yuen, Henry C.

Heating

Processes of heating or heater operation

Treating an article, container, batch or body as a unit

432133, 432152, 432128, F27B 928

Patent

active

048306088

ABSTRACT:
An oven is provided for baking a substrate having a printed circuit obtained by depositing on an insulating substrate, by silk screen printing, an insulating or resistive ink comprising an organic material which forms a temporary binder of this ink, which oven is provided with gas injection means for baking in the desired atmosphere, means for extracting the reducing gases and/or baking residues obtained by transformation of the organic materials under the effect of the temperature, and means for sweeping these reducing gases in the direction of the extraction means so as to accelerate removal thereof without creating any zone of stagnation or turbulent flow.

REFERENCES:
patent: 3086764 (1963-04-01), Beck
patent: 3100106 (1963-08-01), Bielenberg et al.
patent: 3351687 (1967-11-01), Thome et al.
patent: 3415503 (1968-12-01), Beck
patent: 3601375 (1971-08-01), Bowman
patent: 3869249 (1975-03-01), Frische
patent: 4149453 (1979-04-01), Reed
patent: 4235591 (1980-11-01), Aebli

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