Electricity: electrical systems and devices – Housing or mounting assemblies with diverse electrical... – For electronic systems and devices
Reexamination Certificate
2011-01-25
2011-01-25
Levi, Dameon E (Department: 2835)
Electricity: electrical systems and devices
Housing or mounting assemblies with diverse electrical...
For electronic systems and devices
C361S761000, C361S767000, C174S520000, C174S521000
Reexamination Certificate
active
07876570
ABSTRACT:
In a module with embedded electronic components, connection electrodes are formed on the component mounting surface of a substrate. The electrode portions of each of the electronic components are placed on the individual connection electrodes and connected in fixed relation thereto by using a solder. The electronic components are encapsulated in an encapsulating resin. When the distance between the lower surface of the main body portion of each of the electronic components and the component mounting surface is assumed to be a and the thickness of the portion of the encapsulating resin which is located above the main body portion of the electronic component is assumed to be b, if b/a is set to a value of not more than 6, it becomes possible to prevent, when the module with embedded electronic components is reflow-mounted on a printed wiring substrate or the like, the occurrence of a short circuit failure resulting from the melting and flowing of the solder which causes a short circuit between the two electrode portions.
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Arai Yoshiyuki
Fukuda Toshiyuki
Minamio Masanori
Takehara Hideki
Levi Dameon E
McDermott Will & Emery LLP
Nguyen Hoa C
Panasonic Corporation
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