Cleaning lead-frames to improve wirebonding process

A method of processing a semiconductor substrate to remove undesired material therefrom or to prepare a surface of the semiconductor substrate for subsequent bonding wherein the substrate comprises a leadframe comprising dies, bond pads, contacts, and wires, the method comprises the step of contacti...

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Bibliographische Detailangaben
Hauptverfasser: PARRIS GENE EVERAD, COLLIER TERENCE QUINTIN, RENNIE DAVID BARRY, RAMAMURTHI RAJKUMAR
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:A method of processing a semiconductor substrate to remove undesired material therefrom or to prepare a surface of the semiconductor substrate for subsequent bonding wherein the substrate comprises a leadframe comprising dies, bond pads, contacts, and wires, the method comprises the step of contacting the substrate with a liquid cleaning composition and compositions useful in the method.