FLUID HANDLING STRUCTURE, LITHOGRAPHIC APPARATUS, AND DEVICE MANUFACTURING METHOD
PROBLEM TO BE SOLVED: To disclose a fluid handling structure configured to supply and confine an immersion liquid in a space demarcated between a projection system and a counter surface countered to the system itself. SOLUTION: In a first portion of a lower surface of the fluid handling structure, a...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | PROBLEM TO BE SOLVED: To disclose a fluid handling structure configured to supply and confine an immersion liquid in a space demarcated between a projection system and a counter surface countered to the system itself. SOLUTION: In a first portion of a lower surface of the fluid handling structure, a distance from the counter surface when using the first portion is different from that of a second portion of the lower surface. The first portion is demarcated in the structure itself and has a supply opening configured to supply liquid to the counter surface and an extraction opening configured to remove fluid from the space between the fluid handling structure and the counter surface. COPYRIGHT: (C)2011,JPO&INPIT |
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