您说得更准确。

 

Regards,

Cliffz

 

From: johnson zhao [mailto:[log in to unmask]]
Sent: Wednesday, June 13, 2007 10:23 AM
To: Asia Committe Task Group Forum; ZhengYan
Subject: Re: [TGA]
双层皮带拉的间距问题

 

  支持您的说法。

  ESD的标准中有记录,我认为:如果在环境湿度和设备的接地良好并得到控制的情况下,是可以的。当然,上下传送带的高度差的多少?主要考虑是否能满足生产的需要而已。传动带在工作中必然会产生静电,那么,可采用静电刷并接地来减少传动带上的静电,从而达到减少静电的损伤。至于12英寸的距离是希望静电源和静电敏感组件(或元件)所保持的距离。如果满足不了则需要增加必要的设备或工具。

Best Regarts!

赵松涛

深圳市易思维科技有限公司
Shenzhen Easyway Science & Technology Co.,Ltd.
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----- Original Message -----

From: [log in to unmask]">ZhengYan

To: [log in to unmask]">[log in to unmask]

Sent: Wednesday, June 13, 2007 9:09 AM

Subject: Re: [TGA] 双层皮带拉的间距问题

 

个人认为,这种传送带可以作为自动化的取放器来看待,那么在ESD S20.20表中,对于它的要求是ESD DSP 10.1。第一,设备一定要接地。第二,用场电压表测量传送带的表面,如果表面静电电压小于2000V,那么就没什么距离问题,如果大于2000V,应该保持12英寸的距离。不知道这样理解是否正确。

 

From: TGAsia [mailto:[log in to unmask]] On Behalf Of Wentao Hu
Sent: Friday, June 08, 2007 2:06 PM
To: [log in to unmask]
Subject: [TGA]
双层皮带拉的间距问题

 

各位同仁,

 

请问有谁可以帮忙解答一个问题:

有没有相关行业标准规定,在设置双层皮带拉时,两层皮带面的高度差要求最少是多少?(主要是考虑ESD问题)

附图如下:

 

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