Welcome Wisdom to our forum!
But what you required is not a free down standard, so it's a pity
that you need to buy it. As you're the new comer, and before we have
someone spread the standard out and IPC freeze the privilege of
attachment in this forum. Actually, IPC has the copyright of these
standard, but at the back of standard, they have spend such lot of
resource to support the development of standard. Moreover, some
copyrights are also not belonged to IPC, for example, very famous
standard IPC-A-610. If you can go through the standard, you can see
some figures inside are still belonged to other company. So the problem
is if we spread the standard out, IPC also have the risk of challenge by
other company. So please respect the copyright of IPC so that we can
make best use of the standard. Do you agree what I said? Just image,
if you labor were obliged by some else and you got nothing, what do you
think about this case? Hope to make the sense...
Best regards,
Andy Duan (Shi Hao)
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-----Original Message-----
From: TGAsia [mailto:[log in to unmask]] On Behalf Of Wisdom Lu
Sent: Friday, November 16, 2007 12:58 PM
To: [log in to unmask]
Subject: [TGA] a new member self-introduction
Hi All
This is greeting from Wisdom Lu, a new member joined in this platform
for electronic industry.
I am working in Benchmark technology (Suzhou) company and work at EMS
industry about five years, I'm very appreciate you can share your
valuable ideas or suggestive opinion with me, thanks firstly,
Now I have a question need your help.
1. Who has IPC-4552 and IPC-4553 criteria? Would you please send me the
softcopy?
2. Did you know the advantage and inferior between Ni/Au and immersion
silver
for PCB surface treatment at PCBA assembly?
Expect your reply,
Thanks!
Wisdom
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