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Wire bonding is a method of making interconnections between an integrated circuit (IC) or other semiconductor device and its packaging during semiconductor device fabrication. Wire bonding can also be used to connect an IC to other electronics or to connect from one printed circuit board (PCB) to another, although these are less common. Wire ...
A high-voltage electric charge is applied to the wire. This melts the wire at the tip of the capillary. The tip of the wire forms into a ball because of the surface tension of the molten metal. Ball bonding processes including (1) ball formation and (2) ball bond formation Ball bonding processes including (3) loop formation and (4) tail bond ...
Wedge bonding is a kind of wire bonding which relies on the application of ultrasonic power and force to form bonds. It is a popular method and is commonly used in the semiconductor industry . Wedge bonding is directional, so the bonding head rotates to accommodate the different angles for bonding.
Equipotential bonding involves electrically connecting metalwork so that it is at the same voltage everywhere. Exact rules for electrical installations vary by country, locality, or supplying power company. [2] Equipotential bonding is done from where the distribution wiring enters the building to incoming water and gas services.
The bonding settings for the most established metals are following (for 200 mm wafers): [1] Aluminium (Al) bonding temperature can be from 400 to 450 °C with an applied force above 70 kN for 20 to 45 min Gold (Au) bonding temperature is between 260 and 450 °C with an applied force above 40 kN for 20 to 45 min Copper (Cu)
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A guy-wire, guy-line, guy-rope, down guy, or stay, also called simply a guy, is a tensioned cable designed to add stability to a freestanding structure. They are used commonly for ship masts , radio masts , wind turbines , utility poles , and tents .
Guy-wire, a tensioned cable providing structural support, sometimes incorrectly called "guide wire" Topics referred to by the same term This disambiguation page lists articles associated with the title Guide wire .