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May 2004

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Subject:
From:
Gabriela Bogdan <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Sun, 30 May 2004 07:33:07 +0200
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text/plain (119 lines)
Reuven,
It is 90Pb/10Sn.
I also did not find any article about the future leafree composition for
high temperature solder balls.
Gaby
----- Original Message -----
From: "Reuven ROKAH" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Monday, May 31, 2004 7:08 AM
Subject: Re: [TN] Lead Free BGA's...


> Hi temp. BGAs balls alloy is mostly Tin (90-10) as far as I know.
>
> The suggested alloy for BGAs balls is SAC (Tin-Silver-Copper).
>
> Reuven
>
>
>
>
>                       Lum Wee Mei
>                       <[log in to unmask]         To:      [log in to unmask]
>                       .SG>                     cc:
>                       Sent by: TechNet         Subject: Re: [TN] Lead Free
BGA's...
>                       <[log in to unmask]
>                       >
>
>
>                       31/05/2004 04:28
>                       Please respond
>                       to "TechNet
>                       E-Mail Forum.";
>                       Please respond
>                       to Lum Wee Mei
>
>
>
>
>
> Steve,
>
> What a valid and good question to ask! It really never strike me or
> anyone in the industries to ask this. I am dying to know the answers
> offer my our BGA manufacturers.
>
> Regards,
> Wee Mei
>
> Steve Gregory wrote:
>
> >Hi ya'll!!!
> >I know most everyone is out for the Memorial day holiday, so this will be
> >something that
> >everyone can look at on Tuesday...
> >My question is; what are the spheres going to be made of for "Lead-Free"
> >BGA's? What about the BGA's (ceramic ones usually) that have "High-temp"
> balls?
> >The high-temp balls are mostly lead, right?
> >-Steve Gregory-
> >
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