Method for soldering an electrical product

Details Method for soldering an electrical product Method for soldering an electrical product

1985-02-21

1986-10-07

Godici, Nicholas P.

Metal fusion bonding

Process

Plural joints

228214, B23K 3102

Patent

active

046154795

ABSTRACT:
A method for soldering an electrical product with a soldering flux, wherein an aqueous dispersion or an organic solvent solution of a compound containing a polyfluoroalkyl or polyfluoroether group having from 4 to 21 carbon atoms is applied to a peripheral portion around the soldering portion and dried to form a coating of said compound so as to prevent the soldering flux from penetrating to or depositing on said peripheral portion.

REFERENCES:
patent: 4120843 (1978-10-01), Ameen
patent: 4127692 (1978-11-01), Boynton
patent: 4238528 (1980-12-01), Angelo
patent: 4283480 (1981-08-01), Davies
patent: 4373655 (1983-02-01), McKenzie
patent: 4506443 (1985-03-01), Itoh

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