IC chip package with directly connected leads

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 6249041
SERIAL NO

09089310

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An improved semiconductor device is disclosed. In one embodiment, the semiconductor device includes a semiconductor chip with contact areas on the top or bottom surface. A first lead assembly, formed from a semi-rigid sheet of conductive material, has a lead assembly contact attached to one of the contact areas of the semiconductor chip. The first lead assembly also has at least one lead connected to and extending from the lead assembly contact. A second lead assembly, also formed from a semi-rigid sheet of conductive material, has a lead assembly contact attached to another one of the contact areas of the semiconductor chip. The second lead assembly also has at least one lead connected to and extending from the lead assembly contact. An encapsulant encloses the semiconductor chip, the lead assembly contact of the first lead assembly and the lead assembly contact of the second lead assembly. The semiconductor device has low electrical and thermal resistance contributions from the package due to the direct connection of the lead assemblies to the chip. The semiconductor device may be formed as either a leaded package or a leadless chip carrier package.

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Patent Owner(s)

Patent OwnerAddress
SILICONIX INCORPORATED2585 JUNCTION AVENUE SAN JOSE CA 95134-1923

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ho, Yueh-Se Sunnyvale, CA 113 2197
Kasem, Y Mohammed Santa Clara, CA 23 601
Luo, Lixiong San Jose, CA 5 141
Tsui, Anthony C Saratoga, CA 17 298

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