Printed-wiring-board holding apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 2, 2003
Grant Date -
Feb 7, 2002
app pub date -
Jun 28, 2001
filing date -
Aug 4, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An apparatus for holding a printed wiring board, including a holding table having a plurality of negative-pressure-supply holes in the upper surface, a holding member attachable to the upper surface of the holding table with a lower end surface, in contact with the holding table, surrounding the opening of one negative-pressure-supply hole. The holding member having a negative-pressure passage therethrough. The holding member supports, at an upper end surface, the printed wiring board, by applying a negative pressure via the negative-pressure-supply hole and the negative-pressure passage, to hold the board. An opening and closing valve associated with each negative-pressure-supply holes, to close the negative-pressure-supply hole where a holding member is not attached to the table and to open the corresponding hole, where a holding member is attached to the table to communicate with the negative-pressure passage.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully