Method and apparatus for screen printing
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United States of America Patent
Stats
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Jun 5, 2012
Grant Date -
Jun 23, 2011
app pub date -
Jun 21, 2010
filing date -
Mar 15, 2006
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
When a printed circuit board is inspected and determined to have an insufficient amount of printing of a print pattern, the printed board is returned to a screen-printing apparatus so that a new print pattern is formed so as to overlap a previous print pattern. In the re-printing, a raising speed of the printed board at a final stage of the board raising operation is rendered lower than in the previous screen printing so that the printed board is brought into contact with the underside of the screen mask more slowly.
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