Method and Apparatus for Maximizing Cooling for Wafer Processing

Methods for processing wafers, wafer processing apparatus, micro-fluid ejection head substrates, and etching process are provided. One such method includes applying a clamping voltage to an electrostatic chuck sufficient to hold a wafer in a substantially planerized orientation adjacent to the elect...

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Hauptverfasser: WARNER RICHARD LEE, MCNEES ANDREW LEE, DRYER PAUL WILLIAM, KRAWCZYK JOHN WILLIAM, PATIL GIRISH SHIVAJI, BERNARD DAVID LAURIER
Format: Patent
Sprache:eng
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Zusammenfassung:Methods for processing wafers, wafer processing apparatus, micro-fluid ejection head substrates, and etching process are provided. One such method includes applying a clamping voltage to an electrostatic chuck sufficient to hold a wafer in a substantially planerized orientation adjacent to the electrostatic chuck. A heat transfer fluid flows through a three dimensional space between the wafer and the electrostatic chuck to cool the wafer by convective heat transfer during wafer processing.