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3. High power lasers for cutting and welding;Ferranti;Optics & Laser Technology,1972
4. Price, T., Laser welding of interconnexions in semiconductor integrated circuits, Industrial Electronics, 1964, 2(7), pp. 478-479.
5. Jackson, J., Packaging with laser welding, SCP and Solid State Technology, 1966, May, p. 21.