Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
SEMICONDUCTOR CIRCUIT SUBSTRATE AND OPTICAL TRANSCEIVER MODULE
Document Type and Number:
Japanese Patent JP2006245241
Kind Code:
A
Abstract:

To provide a semiconductor circuit substrate wherein the radiation of an electromagnetic wave noise is reduced.

This semiconductor circuit substrate 1 comprises a silicon substrate 2, and a stub 4 is provided on a conductor pattern 3 formed on the silicon substrate 2. One end of the stub 4 is connected to the conductor pattern 3 constituting a power supply or a grounding line, the other end thereof is opened, and the length L of the stub 4 is equal to 1/4 or not more than 1/4 of the wavelength at the frequency of the electromagnetic noise produced by a semiconductor device 5 etc.


Inventors:
YAMADA KAZUYOSHI
ARAKIDA TAKAHIRO
NAKADA HIDEHIKO
NARUSE AKIKAZU
OKUBO YOSHIKAZU
EGUCHI MOMOKO
Application Number:
JP2005058020A
Publication Date:
September 14, 2006
Filing Date:
March 02, 2005
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
SONY CORP
International Classes:
H01L23/12; H01L31/02; H01S5/022; H01S5/042
Attorney, Agent or Firm:
Kunio Yamaguchi