Ferroelectric probe storage apparatus

US7447140B2 · kind B2 · utility

Assignee

• Seagate Technology LLC · US

Inventors

• Mark Ian Lutwyche · Reisterstown, US
• Earl Chrzaszcz Johns · Dorpsstraat, US
• Martin Gerard Forrester · Pittsburgh, US
• Mark David Bedillion · Washington, US
• Andreas Roelofs · Eden Prairie, US
• Joachim Walter Ahner · Livermore, US
• Robert Earl Rottmayer · Wexford, US
• Andre Liem · Wexford, US
• Edward Stephen Skalko · Washington, US
• Xueshi Yang · Sunnyvale, US

Key dates

• Filing date: Jul 30, 2004
• Grant date: Nov 4, 2008
• Expiry date: Sep 14, 2026

Classification

• Technology area (CPC G): Physics
• CPC primary: G11B9/02
• WIPO field: Audio-visual technology
• WIPO sector: Electrical engineering

Abstract

An apparatus comprises a ferroelectric storage medium, and a transducer for reading data from the ferroelectric storage medium and for writing data to the ferroelectric storage medium, wherein the transducer includes a substrate and a probe coupled to the substrate, wherein the probe includes a conductive element and a bilayer structure causing the probe to bend toward the ferroelectric storage medium.