73807195
Jun 16, 1989
Oct 23, 1990
PRECISION BONDING AND WELDING EQUIPMENT, NAMELY, [ WELD TRANSFORMERS, WELD HEADS, REFLOW SOLDERING HEADS, ELECTRODES, FOOT SWITCHES AND ] OPTICAL ILLUMINATOR SYSTEMS COMPRISING A HOUSING, LIGHT SOURCE WITHIN THE HOUSING, FIBER OPTICS, AND MAGNIFYING OPTICS; [ WELDING AND SOLDERING POWER SUPPLY UNITS, POWER SUPPLY UNITS FOR PARALLEL GAP BONDING AND REFLOW SOLDERING MATERIAL STRENGTH TESTERS; MICRO-ELECTRONIC WIRE BOND PULL TESTERS; ] ALL FOR USE IN BONDING AND WELDING OF SMALL ELECTRONIC COMPONENTS AND SEMICONDUCTORS
Electrical and Scientific Apparatus