Computer graphics processing and selective visual display system – Display peripheral interface input device – Touch panel
Reexamination Certificate
2011-08-16
2011-08-16
Wang, Quan-Zhen (Department: 2629)
Computer graphics processing and selective visual display system
Display peripheral interface input device
Touch panel
C345S174000, C345S175000, C345S178000, C178S018010, C178S018060
Reexamination Certificate
active
07999795
ABSTRACT:
A multi-touch sensor panel can be created using a substrate with column and row traces formed on either side. Metal traces running along the border of the substrate can be used to bring the row traces to the same edge as the column traces. A single flex circuit can be fabricated to connect to the rows and columns on directly opposing sides. Flex printed circuits can be bonded to directly opposing attachment areas of a substrate by cooling one side of the substrate while bonding the other. In addition, “coverlay” material extending over right-angled traces on the flex circuit ensure that those traces do not get shorted should conductive bonding material get squeezed out during bonding. Furthermore, a spacer is placed at the distal end of the flex circuit to apply even bonding pressure over the entire flex circuit attachment area during bonding.
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Hamblin Mark Arthur
Hotelling Steve Porter
Apple Inc.
Morrison & Foerster / LLP
Nguyen Jennifer
Wang Quan-Zhen
LandOfFree
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