Preventing breakage of long metal signal conductors on...

Details Preventing breakage of long metal signal conductors on... Preventing breakage of long metal signal conductors on...

2011-08-16

2011-08-16

Louie, Wai-Sing (Department: 2814)

Active solid-state devices (e.g., transistors, solid-state diode

Combined with electrical contact or lead

Of specified configuration

C257S773000, C257SE21575, C257SE21627, C257SE21641

Reexamination Certificate

active

07999388

ABSTRACT:
An apparatus includes a volume of insulator disposed over a top surface of a semiconductor substrate, a tube of soft dielectric, and a metal conductor. The insulator has a hardness of more than approximately three gigapascals (gPa) and the soft dielectric has a hardness of less than three gPa. The tube of soft dielectric and the metal conductor are both embedded within the volume of insulator. The tube defines a central volume and the metal conductor extends in a direction through the central volume for a distance of at least one inch. The metal conductor is encircled by the soft dielectric when the apparatus is viewed in a cross-sectional plane perpendicular to the direction. The metal conductor may include a plurality of bend portions. The metal conductor does not break when the apparatus is temperature cycled over a range from zero to eighty five degrees Celsius.

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