IMPROVED RAILS FOR SEMICONDUCTOR WAFER CARRIERS

IMPROVED RAILS FOR SEMICONDUCTOR WAFER CARRIERS

A rail is provided for use as a support in an apparatus for holding a plurality of semiconductor wafers. The rail has a plurality of teeth arranged in a vertical column, such that the space between a top surface of one tooth and a bottom surface of the next higher adjacent tooth forms a slot for rec...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: WERNINGHAUS, THOMAS, BROWN, STEVEN, A, GONZALES, MANUEL, KOPEL, CLAUDIA
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
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Beschreibung
Zusammenfassung:A rail is provided for use as a support in an apparatus for holding a plurality of semiconductor wafers. The rail has a plurality of teeth arranged in a vertical column, such that the space between a top surface of one tooth and a bottom surface of the next higher adjacent tooth forms a slot for receiving a portion of a semiconductor wafer. A support structure for supporting the wafer is located on the top surface of substantially all teeth that form the bottom of a slot, the support structure having sidewalls and an upper surface spaced from the top surface. On each support structure, a radius is formed at each intersection of the sidewalls and the upper surface. The support structure extends for at least approximately 50% of the length of each tooth.