Lithographic apparatus, device manufacturing method and...

Photocopying – Projection printing and copying cameras – With temperature or foreign particle control

Reexamination Certificate

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C355S053000, C355S072000

Reexamination Certificate

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06937316

ABSTRACT:
A bellows used to connect two sealed compartments of the lithographic apparatus or a compartment and a pump, comprises a first section having smooth helical corrugations and a second section that can accommodate the longitudinal movement caused by relative rotation of the ends of the first section. The second section may be a mirror image of the first section or one or more sub-sections of circumferential corrugations.

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patent: 04157399 (1992-05-01), None

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