Forming an electrical contact on an electronic component

A method of constructing an electrical contact on an electronic component comprises first forming a protruding electrically conducting stud at a contact location by wire bonding a metal wire to a contact pad of the component. The stud is then contacted with solder, without using a mask, so that a so...

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Bibliographische Detailangaben
Hauptverfasser:	LEE RINUS TEK PO, LAHIRI SYAMAL KUMAR, ABU SAMAH ZURUZI BIN
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS PRINTED CIRCUITS SEMICONDUCTOR DEVICES
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Beschreibung
Zusammenfassung:	A method of constructing an electrical contact on an electronic component comprises first forming a protruding electrically conducting stud at a contact location by wire bonding a metal wire to a contact pad of the component. The stud is then contacted with solder, without using a mask, so that a solder bump is deposited on and adheres to the metal stud to form a composite solder contact which is able to form with a contact of another component a solder joint which has good electrical and mechanical properties and which may be reliable fabricated at high density by a low cost method. An electronic component provided with such solder contacts and an electronics component package including such a component are also disclosed.