PELLICLE MEMBRANE
The invention relates to a pellicle assembly comprising a pellicle membrane supported by a frame, wherein the pellicle membrane does not extend fully to an outer edge of the frame. A border stack comprising a plurality of layers may be provided between the frame and the pellicle membrane, and 5 wher...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | The invention relates to a pellicle assembly comprising a pellicle membrane supported by a frame, wherein the pellicle membrane does not extend fully to an outer edge of the frame. A border stack comprising a plurality of layers may be provided between the frame and the pellicle membrane, and 5 wherein at least part of the border stack does not extend fully to an outer edge of the frame. An outer edge of the pellicle membrane, and optionally at least part of the border stack, may be provided with a shape for use as an alignment mark. |
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