WO/2004/055803 is referenced by 774 patents.

For irradiating a layer (3) a radiation beam (7) is directed and focused to a spot (11) on the layer (3), relative movement of the layer (3) relative to the optical element (59) is caused so that, successively, different portions of the layer (3) are irradiated and an interspace (53) between a surface of the optical element (59) nearest to the layer (3) is maintained. Furthermore, at least a portion of the interspace (53) through which the radiation irradiates the spot (11) on the layer (3) is maintained filled with a liquid (91). By directing a gas flow (71-73) to a surface zone (74) of the layer (3), liquid (91) is reliably prevented from passing that surface zone (74), without causing damage to the layer (3). The liquid (91) is drawn away from the layer (3) in the vicinity of the surface zone (74).

Title
Liquid removal in a method and device for irradiating spots on a layer
Application Number
PCT/IB2003/005200
Publication Number
2004/055803
Application Date
November 14, 2003
Publication Date
July 1, 2004
Inventor
Santen Helmar
Van
Agent
DEGUELLE Wilhelmus H G
Assignee
Santen Helmar
Van
Koninklijke Philips Electronics
IPC
G11B 07/135
G11B 07/12
G11B 07/26
G03F 07/20
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