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Printing circuit, printing circuit board and on-line real-time earthing monitor

A printed circuit board, printed circuit technology, applied in printed circuits, instruments, measuring electricity and other directions, can solve the problems of safety hazards of microelectronic products, and achieve the effect of preventing electrostatic discharge damage and reducing allergies.

Inactive Publication Date: 2008-02-13
深圳市麦斯通科技有限公司
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  • Abstract
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  • Claims
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Problems solved by technology

This leads to the question of whether the use of "online real-time grounding monitors" poses a hazard to the safety of microelectronics products

Method used

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  • Printing circuit, printing circuit board and on-line real-time earthing monitor

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Embodiment Construction

[0019] The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be assumed that the specific implementation of the present invention is limited to these descriptions. For those of ordinary skill in the technical field of the present invention, without departing from the concept of the present invention, some simple deduction or replacement can be made, which should be regarded as belonging to the protection scope of the present invention.

[0020] The present invention will be further described below in conjunction with accompanying drawing and example.

[0021] Please refer to Figure 1 and Figure 2 together. In order to monitor the grounding status of personnel, fixtures and production products in the anti-static work area, a product called "Online Real-time Grounding Monitor" came into being. Its basic working principle is shown in Figure 2 (take monitoring the anti-static workbench as an e...

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Abstract

The invention relates to a printed circuit for online real-time grounding monitor, including a voltage-dividing resistor and a voltage-dividing circuit of DC voltage. The DC voltage is converted into the ultra-low DC voltage after the treatment of the voltage-diving circuit. The the printed circuit and the ultra-low output DC voltage of the online real-time grounding monitor of the invention can reduce the allergy of human skin caused by a wristband monitoring voltage and decrease the damage probability of microelectronic components of the monitoring voltage as a result of the accidental grounding failure in anti-static operational workstation; and these microelectronic components are just to prevent electrostatic discharge damages.

Description

technical field [0001] The invention relates to a printed circuit and an online real-time grounding monitor using the printed circuit, in particular to a printed circuit using a DC voltage divider circuit. Background technique [0002] With the continuous improvement of miniaturization and integration of microelectronic components, the ability of these microelectronic components to resist electrostatic discharge damage is getting weaker and weaker. For example, under the action of electrostatic discharge (charged component model), the threshold value of the magnetic resistance magnetic head used for hard disk to be damaged has dropped from 100 volts ten years ago to about 1 volt now. This requires that the production line that produces and assembles these microelectronic components must greatly improve the electrostatic protection capability. [0003] In the electrostatic protection control system, reliable grounding technology is the most economical and effective means. G...

Claims

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Application Information

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IPC IPC(8): G01R31/02H05K1/00
Inventor 王丽敏李文星
Owner 深圳市麦斯通科技有限公司
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