A lithographic system including a chucking system

A chucking system to hold a substrate, said chucking system comprising: a chuck body (42) having first and second opposed sides (46, 48) with an edge surface (50) extending therebetween, said first side (46) including first and second spaced-apart recesses (52, 54) defining first and second spaced-a...

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Bibliographische Detailangaben
Hauptverfasser: WATTS, MICHAEL, P.C, SREENIVASAN, SIDLGATA, V, CHOI, BYUNG, JIN, BABBS, DANIEL, A, VOISIN, RONALD, D, SCHUMAKER, NORMAN, E, MEISSL, MARIO J, BAILEY, HILLMAN, L
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:A chucking system to hold a substrate, said chucking system comprising: a chuck body (42) having first and second opposed sides (46, 48) with an edge surface (50) extending therebetween, said first side (46) including first and second spaced-apart recesses (52, 54) defining first and second spaced-apart support regions (58, 60), with said first support region (58) cincturing said second support region (60) and said first and second recesses (52, 54), and said second support region (60) cincturing said second recess (54), with a portion (62) of said chuck body (42) in superimposition with said second recess (54) being transparent to actinic radiation having a predetermined wavelength, said portion extending from said second side (48) and terminating proximate to said second recess (54), said second side and said edge surface defining exterior surfaces, with said chuck body (42) including a throughway (64, 66) extending through said chuck body placing one of said first and second recesses (52, 54) in fluid communication with one of said exterior surfaces.