System and method for processing sheet glass

Details System and method for processing sheet glass System and method for processing sheet glass

1997-01-17

1998-06-30

Silverman, Stanley S.

Glass manufacturing

Processes

Operating under inert or reducing conditions

65 90, 65157, 6537415, C03B 1816

Patent

active

057727155

ABSTRACT:
A processing system (20,20') for processing sheet glass G includes a housing (22) and at least one slit seal (38i,38i',38e,38e') constructed to permit continuous passage of sheet glass in an efficient manner without fluttering. The slit seal functions as both an ingress slit seal (38i,38i') and as an egress slit seal (38e,38e'). Each slit seal has side seals (100, 102, 112, 114) and preferably has three stages of vacuum drawn by an associated first, second and third vacuum pumps (80,82,84). The sealing method for use in processing sheet glass has particular utility in connection with depositing semiconductor materials for photovoltaics and can be performed on either discrete glass sheets (28) or a continuous glass ribbon (30).

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