Ultrasonic welding of copper foil

Details Ultrasonic welding of copper foil Ultrasonic welding of copper foil

1997-04-17

1999-08-24

Jones, Deborah

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

428636, 228 11, 228 21, 228 23, 2281101, 228120, B32B 2714, B23K 106

Patent

active

059423145

ABSTRACT:
A method and apparatus is disclosed for ultrasonically welding at their edges a strip of their copper foil to a second strip of supporting metal, preferably aluminum or stainless steel having a thickness greater than the copper foil. The welded strips are subsequently sheared into panels for use in making printed circuit boards.

REFERENCES:
patent: 3831262 (1974-08-01), Luc
patent: 4925507 (1990-05-01), Yamaguchi
patent: 4975133 (1990-12-01), Gochermann
patent: 5082160 (1992-01-01), Leigh
patent: 5120590 (1992-06-01), Savage et al.
patent: 5153050 (1992-10-01), Johnston

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