Metal treatment – Compositions – Fluxing
Patent
1996-04-30
1999-08-03
Ryan, Patrick
Metal treatment
Compositions
Fluxing
148 22, 148 24, 148 25, 228207, 228223, B23K 3536
Patent
active
059320303
ABSTRACT:
A flux composition for use together with solder preforms, which comprises rosin, N-unsubstituted or N-substituted 2-pyrrolidone, and optionally a high boiling point ester solvent with a content of N-unsubstituted or N-substituted 2-pyrrolidone being 3-50% by weight and a content of the ester solvent being not greater than 30% by weight.
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Manko, H.H., "Solders and Soldering: Materials, Design, Production, and Analysis for Reliable Bonding", Ch. 10, "Paste and Preforms", McGraw-Hill, Inc. pp. 408-439. (no month given), 1992.
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Patent Abstracts of Japan, vol. 16, No. 273, Jun. 18, 1992, of JP 04 068095 dated Mar. 3, 1992.
Fukasawa Hiroyuki
Kawamata Yuji
Elve M. Alexandra
Ryan Patrick
Senju Metal Industry Co. Ltd.
Sony Corporation
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