Electricity: electrical systems and devices – Housing or mounting assemblies with diverse electrical... – For electronic systems and devices
Reexamination Certificate
2008-07-08
2008-07-08
Gutierrez, Diego (Department: 2841)
Electricity: electrical systems and devices
Housing or mounting assemblies with diverse electrical...
For electronic systems and devices
C361S737000, C361S748000, C361S760000, C361S751000, C361S736000, C174S259000, C174S260000, C174S261000, C235S488000, C257S679000
Reexamination Certificate
active
07397672
ABSTRACT:
The present invention provides a flip chip mounting substrate which comprises an electronic circuit composed of a circuit line and plural mounting pads connected to both ends of the circuit line formed on one surface of a base sheet, wherein the plural mounting pads are faced each other and spaced a pad clearance gap apart, and one or more semiconductor mounting paste guide paths are formed in the mounting pads. The flip chip mounting substrate can reduce voids that might be produced in the semiconductor mounting paste, when flip-chip-mounting an IC chip on a flip chip mounting substrate.
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Matsushita Taiga
Matsuura Katsuyoshi
Nakata Yasukazu
Gutierrez Diego
Levi Dameon E
Lintec Corporation
Sughrue & Mion, PLLC
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