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Simultaneous laser cutting and welding of metal foil to edge of a plate

  • US 5,500,503 A
  • Filed: 08/04/1994
  • Issued: 03/19/1996
  • Est. Priority Date: 08/04/1994
  • Status: Expired due to Fees
First Claim
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1. A method of welding an ultra-thin metal foil to the edge of a metal plate to form a vacuum tight weld comprisinga) providing an ultra-thin foil having a thickness of less than 0.002 inches,b) providing at least one metal plate having a thickness greater than that of the ultra-thin foil, wherein the plate has a top surface, a bottom surface and an edge between the top and bottom surface defining the thickness of the plate,c) placing the ultra-thin foil against the edge of the plate,d) clamping the ultra-thin foil against the edge of the plate,e) providing a laser having a focused beam,f) directing the beam of the laser onto the ultra-thin foil to weld the ultra-thin foil to the edge of the plate at a weld line while simultaneously cutting the edge of the foil along one of the surfaces of the plate.

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