Perfluorinated propyl derivative compounds for vapor bath solder

Metal fusion bonding – Process – Preplacing solid filler

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B23K 3536, B23K 3538

Patent

active

049019104

ABSTRACT:
A method of vapor bath soldering wherein vapor bath compositions include compounds of the formula: ##STR1## wherein the carbon rings are fully fluorinated and R is selected from the group consisting of fluorine, --CF.sub.3 or --CF(CF.sub.3).sub.2.

REFERENCES:
Fluorinert Electronic Liquids, Product Information, Commercial Chemicals Division/3M, St. Paul, MN, 2-1984.
Polycyclic Fluoroaromatic Compounds, Harrison et al., Pergamon Press Ltd., Ireland, Tetrahedron, vol. 19, pp. 1893, 1899.

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