Title:
SCREEN PRINTING WITH IMPROVED INK STOP
Document Type and Number:
WIPO Patent Application WO2005011979
Kind Code:
A3
Abstract:
Screen printing to an edge of an object without the flow of print ink over the edge and to a supporting platen is realized by applying a flow of gas from the platen over the edge of the object and opposing the flow of print ink. The platen can have a support surface including a groove or a plurality of holes arranged to match the edge of the wafer. The wafer can include a semiconductor wafer such as a photovoltaic cell, and the gas can include air, nitrogen, or an inert gas.
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Inventors:
KAMINAR NEIL (US)
Application Number:
PCT/US2004/021493
Publication Date:
May 11, 2006
Filing Date:
July 02, 2004
Export Citation:
Assignee:
SUNPOWER CORP (US)
KAMINAR NEIL (US)
KAMINAR NEIL (US)
International Classes:
B05C17/04; B05C17/06; B41C1/14; B41L27/26; B41M1/12
Foreign References:
| US3221648A | 1965-12-07 | |||
| US4590854A | 1986-05-27 | |||
| US5050498A | 1991-09-24 |
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