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Host

A host and chassis technology, which is applied in the field of preventing electrostatic discharge from interfering with network interfaces, and can solve the problems of radiation and electrostatic discharge of the host, and no EMI shrapnel designed.

Inactive Publication Date: 2010-12-22
HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, based on cost considerations, most of the network interfaces are not designed with EMI shrapnel at present. For the network interface without EMI shrapnel, it will cause the host to have radiation and electrostatic discharge problems.

Method used

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Embodiment Construction

[0015] The present invention will be described in further detail below in conjunction with the drawings and preferred embodiments:

[0016] Please refer to Figure 1-4 The preferred embodiment of the host 100 of the present invention includes a printed circuit board 10 and a casing 20. The printed circuit board 10 is provided with a network interface 11 and a gap 12. Wherein, the notch 12 is arranged on the edge of the printed circuit board 10 and its area is smaller than the area of ​​the metal surface at the bottom of the network interface 11. The network interface 11 is installed at the gap 12 of the printed circuit board 10, and the length of the metal surface of the bottom of the network interface 11 that exposes the edge portion of the printed circuit board 10 is at least 3 mm, so that the network Not all the metal surfaces at the bottom of the interface 11 are in contact with the printed circuit board 10. In this preferred embodiment, the width of the notch 12 is 5 mm a...

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PUM

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Abstract

The invention discloses a host. The host comprises a printed circuit board and a shell, wherein the printed circuit board is provided with a network interface; a metal surface at the bottom of the network interface is partially exposed out of the edge of the printed circuit board; the shell is provided with an opening; one side of the opening is provided with a conducting strip; and the network interface is connected with the conducting strip. Electrostatic current on the network interface of the host of the invention can be transferred to the shell for grounding through the conducting strip,so that the interference of electrostatic discharge on the network interface is eliminated.

Description

Technical field [0001] The invention relates to a host, in particular to a host that can prevent electrostatic discharge from causing interference to a network interface. Background technique [0002] Electrostatic Discharge (ESD) can cause serious damage to semiconductor components in integrated circuits, making them unable to work. This is because ESD will generate a large amount of current in a very short period of time, which usually exceeds the load range of the semiconductor components, and damages the entire system. [0003] In order to prevent ESD from causing interference to the network circuit, generally speaking, EMI (Flectro Magnetic Interference) shrapnel is set on the network interface of the host, and then the EMI shrapnel of the network interface is connected to the metal surface of the chassis. When the network interface is interfered by ESD, the ESD current will be conducted to the chassis through the EMI shrapnel of the network interface, and the ESD current wil...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F1/16G06F1/18H05F3/02H05K9/00
Inventor 简宏益
Owner HONG FU JIN PRECISION IND (SHENZHEN) CO LTD
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