Mike,

I would like to add a third type of lead free alloy, namely allegedly
patented. There are a lot of patent applications out there that will
never make it to being granted patents and a number of patents granted
but invalid! No names, no pack drill.

Roger

In article <002b01c1a586$8bbcc710$f502a8c0@ukomfenner>, Mike Fenner
<[log in to unmask]> writes
>    Lead free alloys come in 2 types: generic and
>    proprietary/patented.  The more alloying additions the more likely
>    the alloy is to fall into the second category.
>    Generic alloys are available from just about any recognised solder
>    manufacturer, proprietary alloys are available from the patent
>    holder and any licensees.
>    If the alloy has actual or perceived merit for general
>    industry use then it is likely you will find that other
>    manufacturers have licensed it and you can again obtain it from
>    just about any recognised manufacturer
>
>
>    Kind Regards
>
>    Mike Fenner
>
>    Applications Engineer, European Operations
>    Indium Corporation
>     T: + 44 1908 580 400
>    M: + 44 7810 526 317
>     F: + 44 1908 580 411
>     E: [log in to unmask]
>    W: www.indium.com
>    Leadfree: www.Pb-Free.com
>
>>       -----Original Message-----
>>       From: TechNet [mailto:[log in to unmask]]On Behalf Of
>>       [log in to unmask]
>>       Sent: Thursday, January 24, 2002 9:00 PM
>>       To: [log in to unmask]
>>       Subject: [TN] Lead replacement solder alloys
>
>>       Who is the procurement source for a couple of the newer Sn 63
>>       like solders that have somewhat better properties than Sn63.
>>        Specifically they are the SnAgCuSb and SnAgCuZn alloys.
>
>>       Thanks
>>       Phil Hinton

--
Roger Bilham
Roger Bilham Consultancy
Tel: +44 (0)20 8467 8819
Fax: +44 (0)8700 548 613
Mobile +44 (0)7 941 122 446

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