WIRE-BONDING METHOD

PURPOSE:To reduce troubles in a bonding packaging process and to realize a low cost manufacturing process by a method wherein a combination is used of a bonding wire material and a substrate material with a specific relation between them. CONSTITUTION:For the construction and packaging of a semicond...

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Bibliographische Detailangaben
Hauptverfasser: KANEHIRO KAZUO, IGARASHI TADASHI
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:PURPOSE:To reduce troubles in a bonding packaging process and to realize a low cost manufacturing process by a method wherein a combination is used of a bonding wire material and a substrate material with a specific relation between them. CONSTITUTION:For the construction and packaging of a semiconductor element, wire bonding is accomplished by using ultrasonic waves. In this process a combination is used of a bonding wire material and a substrate material satisfying a specific relation (formula) between them. A substrate here means a semiconductor element electrode pad and a conductive layer on a lead frame. This method reduces troubles that may be encountered in a bonding packaging process and reduces the cost of the manufacturing process.