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Title: Method for laser welding ultra-thin metal foils

A method for simultaneously cutting and welding ultra-thin foils having a thickness of less than 0.002 inches wherein two ultra-thin films are stacked and clamped together. A pulsed laser such as of the Neodymium: YAG type is provided and the beam of the laser is directed onto the stacked films to cut a channel through the films. The laser is moved relative to the stacked foils to cut the stacked foils at successive locations and to form a plurality of connected weld beads to form a continuous weld. 5 figs.
Inventors:
; ;
Issue Date:
OSTI Identifier:
212604
Assignee:
Midwest Research Inst., Kansas City, MO (United States) PTO; SCA: 360101; PA: EDB-96:065514; SN: 96001565475
Patent Number(s):
US 5,502,292/A/
Application Number:
PAN: 8-285,819
Contract Number:
AC36-83CH10093
Resource Relation:
Other Information: PBD: 26 Mar 1996
Research Org:
Midwest Research Institute
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; FOILS; CUTTING; LASER WELDING; METALS; LASER BEAM MACHINING; NEODYMIUM LASERS

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