Through silicon via dies and packages

A method for preparing a die for packaging is disclosed. A die having first and second major surfaces is provided. Vias and a mask layer are formed on the first major surface of the die. The mask includes mask openings that expose the vias. The mask openings are filled with a conductive material. Th...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: TOH CHIN HOCK, SUN YI SHENG ANTHONY, KOLAN RAVI KANTH, LIU HAO
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:A method for preparing a die for packaging is disclosed. A die having first and second major surfaces is provided. Vias and a mask layer are formed on the first major surface of the die. The mask includes mask openings that expose the vias. The mask openings are filled with a conductive material. The method includes reflowing to at least partially fill the vias and contact openings to form via contacts in the vias and surface contacts in the mask openings.