Gold Wire and Ribbon

Gold Bond Wire

Gold Wire
Coining's gold wire standards are unsurpassed in the industry. We manufacture gold wire in diameters as small as 0.0005 inch (12.5 microns), with highly uniform elongation, tensile strength and dimensional properties. All of our high purity wire products are produced from highly refined, vacuum-processed metals.

Wire for automatic bonders is a Coining specialty.

Pure gold wire doped with controlled amounts of beryllium and other elements is normally used for ball bonding. This process brings together the two materials that are to be bonded using heat, pressure and ultrasonic energy. The most common approach in thermosonic bonding is to ball-bond to the chip, then stitch-bond to the substrate. Very tight controls during our processing enhance looping characteristics and eliminate sagging.

Gold Ribbon
Gold ribbon for microwave and other applications is also available from Coining.  We offer full range of ribbon dimensions suiting the needs for strength and hardness/elongation in your application.

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