Active solid-state devices (e.g. – transistors – solid-state diode – Housing or package – With contact or lead
Patent
1995-03-24
1998-02-10
Saadat, Mahshid D.
Active solid-state devices (e.g., transistors, solid-state diode
Housing or package
With contact or lead
257780, 257664, 257698, H01L 2352
Patent
active
057172455
ABSTRACT:
A ball grid array arrangement comprises a dielectric multilayer substrate, in a lower metallization layer of which is disposed an array of solder balls. A passive circuit element is integrated into at least one of the metallization layers. The arrangement may be either a discrete component consisting of a triplate transmission-line resonator or interdigitated filter integrated into an inner metallization layer and defined by that layer in conjunction with adjacent layers, or it may take the form of an IC carrier or multichip-module carrier having such transmission structures situated within a central die-attach area of the substrate and having also a peripheral area containing bonding structures for the mounting of at least one chip or chip module. There will normally be at least two groups of such bonding structures, and a passive circuit element in the form of an inductor may be formed in the upper metallization layer between adjacent groups of bonding structures.
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Clark S. V.
Plessey Semiconductors Limited
Saadat Mahshid D.
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