Peter,
Can you tell me how do you test them ? Are they continuously protective in
a production environment ?
As I read info from Ken ( See below) it says it is effective to keep
human body under 150V. However many publications states that some devices
can be damaged even with ESD lower then 50V....
http://www.bho.com.tw/p2.htm
Extract from website:
Foundation in physics:
Use ''Ion Neutralization"," Skin Effect", " Point Discharge" and "Corona
Discharge Effcet" in physics. Also use the characteristics of differential
electric potential to gather and eliminate static electricity.
Effectiveness of static neutralization:
This device neutralizes over 80% of the static ions electric on a human
body.It maintains the static elec-tric potentional of a human body under the
low 150v and hence protect the electronic components.
Important note
Before touching and sensitive electronic components by bare hands,allow
15sec(after putting it on) for the wrist strap to neutralize the static
electricity already existing on the body
Regards
Vit Sklenar MGE4VS
T: (61 3)9541 7734 F: (61 3) 9541 3909
e-mail work: [log in to unmask]
e-mail home: [log in to unmask]
> Robert Bosch (Aust) ,
1555 cnr.Centre and McNaugton Road,
> Clayton , VIC 3169, Australia
>
>
> -----Original Message-----
> From: [log in to unmask] [SMTP:[log in to unmask]]
> Sent: Tuesday, March 05, 2002 11:13 AM
> To: [log in to unmask]
> Subject: Re: [TN] Is this for real?
>
> HI, Bill,
>
> Our CM here in Singapore uses cordless ESD wrist straps, and they do quite
> a bit of fibre optics work as well as our avionics boards. The straps come
> with a cord as well, in case you're of a nervous disposition and need to
> be
> tied to something, but otherwise actually work remarkably well though is
> seems like some form of witchcraft to me, too, as I haven't got my tiny
> brain round the principle of them yet.
>
> Peter
>
>
>
>
> "Kasprzak,
> Bill (sys) To: [log in to unmask]
> USX" cc: (bcc: DUNCAN Peter/Asst
> Prin Engr/ST
> <bkasprzak@MO Aero/ST Group)
> OG.COM> Subject: [TN] Is this for
> real?
> Sent by:
> TechNet
> <[log in to unmask]
> ORG>
>
>
> 03/05/02
> 12:12 AM
> Please
> respond to
> "TechNet
> E-Mail
> Forum.";
> Please
> respond to
> "Kasprzak,
> Bill (sys)
> USX"
>
>
>
>
>
>
> Hello folks,
>
> I was thumbing through my latest copy of a catalog from Cyberguys over the
> week end and made, at least what I think, a startling find. They have a
> Cordless ESD wrist strap, catalog number 116-0125. Apparently, according
> to
> the catalog, it works on the corona principle and you have to wear it for
> 15
> minutes prior to being able to safely work on electronic hardware. Yes, no
> more tethering! I am really skeptical but open to anyone who has tried
> this.
> Cyberguys is a very credible company. (www.cyberguys.com)
>
> I really make a conscious effort not to reveal company names on this net
> but
> this seems just too good to be true. If it is, say good bye to the entire
> static flooring, ionizer, and related ESD items market. I'm not in sales
> so
> I have nothing to gain.
>
> Anybody out there have any comments on this? Anybody ever tried this?
>
> Bill Kasprzak
> Moog Inc. Manufacturing Engineering, Electronics
>
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