U-CDK_CHARLES\\Charles
August 4th 04, 02:51 PM
On 3 Aug 2004 21:08:18 -0400, Mike Rivers > wrote:
>
> In article <JjTPc.3248$g8.3238@trndny05> writes:
>
>> For electronics, I'm using near-eutectic Sn/Pb 63/37. I don't recall
>> the exact number for eutectic Sn/Pb alloy
>
> That's it, in round numbers. "Near eutectic" is the more common 60/40.
>
Yes, but once you've used Sn 63 . .
'Course my experience stops with the earliest surface mount devices. My
understanding is that things have moved to high temp alloys with SM and
BGA technologies.
>
> In article <JjTPc.3248$g8.3238@trndny05> writes:
>
>> For electronics, I'm using near-eutectic Sn/Pb 63/37. I don't recall
>> the exact number for eutectic Sn/Pb alloy
>
> That's it, in round numbers. "Near eutectic" is the more common 60/40.
>
Yes, but once you've used Sn 63 . .
'Course my experience stops with the earliest surface mount devices. My
understanding is that things have moved to high temp alloys with SM and
BGA technologies.