Semiconductor device and circuit board

Semiconductor device and circuit board

A semiconductor device for mounting on a wiring board includes: a container for containing a semiconductor chip; and a plurality of leads, each of the plurality of leads includes a mount connection portion at one end for the semiconductor device to be connected to the wiring board, wherein the plura...

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1. Verfasser: IKEMOTO YOSHIHIKO
Format: Patent
Sprache:eng
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CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
PRINTED CIRCUITS
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creator IKEMOTO YOSHIHIKO
description A semiconductor device for mounting on a wiring board includes: a container for containing a semiconductor chip; and a plurality of leads, each of the plurality of leads includes a mount connection portion at one end for the semiconductor device to be connected to the wiring board, wherein the plurality of leads includes first leads and second leads, a signal transmission rate of the first leads is higher than that of the second leads, and the mount connection portion of each of the first leads is smaller than that of each of the second leads.
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subjects CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
PRINTED CIRCUITS
title Semiconductor device and circuit board
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