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March 28, 2006 - Privately held Canadian interconnect developer Microbonds Inc. has licensed its "X-Wire" gold wire bonding technology for use in Tanaka Denshi Kogyo's line of gold bonding wire products, with an integrated product
(November 16, 2006) FORT WASHINGTON, PA In a corporate review to close fiscal 2006, Kulicke & Soffa outlined developments in gold bumping for stacked packages and upward trends for gold wire .
bumping for flip chip attach, three of which are challenging and expensive: Stud bumps formed by ball bonding using gold wire ; plated gold bumps using electrolytic or electroless gold; and plating solder bumping by electrolytic or electroless
placed gas jets that create an inert atmosphere. They take regular cross sections of bonds, which was not necessary with gold wire . Chylak also pointed out that packaging houses should ramp up copper wire bonding with a “middle step” between tool
improved to 3µm, and ASM's GoCU technology enables it to operate faster with lower-cost copper wire rather than with gold wire , maintaining accuracy. The Auto Wire Rethread System of the ASM iHawk Xpress ensures that the bonding wire is clamped
increased copper wirebonding, along with traditional gold wire bond. Several packaging houses are moving to copper wire ..... and low- k /extra low- k (ELK). Opponents consider gold wire to perform better than Cu wire, citing in-service product
packaging, thanks to a unique structural design. It also offers high electrical conductivity, more than 20% higher than gold wire . EX1 went into mass production in 2009 and claims more than 80% of the copper bonding wire market share. It has been
socket insertion and shipping. PGM uses higher density substrates and smaller diameter wire than corner gate molding. Gold wire diameter can be reduced by over 50% to 0.5mm. Copper wire diameters can also be reduced significantly. With PGM
pads caused by higher mechanical stresses. Copper wire bonding will save materials costs and increase conductivity over gold wire bonding. MagnaChip Semiconductor is a Korea-based designer and manufacturer of analog and mixed-signal semiconductor
Copper also exhibits high mechanical strength. Intermetallic growth in copper bonds is significantly slower than in gold wire bonds, creating lower electrical resistance, lower heat generation, and increased long-term bond reliability. Once