Hi Yusuf,

The specification, for one of the big OEMs that I'm dealing with, has the
thickness for LPI solder mask as 0.0004" minimum (at the crest of the
conductor) and 0.002" maximum (over bare laminate).

Sherif Refaat,

----- Original Message -----
From: "Baski Devre" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Monday, June 06, 2005 3:04 AM
Subject: [TN] Solder Resist Thickness


> Hello All
> What should the solder resist thickness be? I have examined all IPC-SM
> 840C
> standards but can not encounter any thickness value. Is there something
> that
> I might have not seen ?. I am waiting for your kind assistance
> Have nice and plenty earnings
>
> Yusuf GOMEC
> Product Quality Engineer
>
>
> BASKI DEVRE SAN. ve TIC. LTD. STI.
> Ceyhan Sk. No:10 81490 Pendik-Istanbul-Turkey
> Tel:0090 216 3901036(4 Line)/4836560(4 Line)
> Fax:0090 216 3544941/4913269
> Gsm:0090 533 6579897/7480014
> Internet: www.baskidevre.com.tr
>
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