Hi TechNetters:

Firstly, I sincerely apologize for the tone of my earlier 
announcement. I had no intention of "throwing stones" at
the standard and, more particularly, not at the contributors
responsible for the documents. I concur that it is impossible
to author a sweeping standard that satisfies every sector of 
the electronics industry and I respect the work of all the people
involved.

It is our goal at Rensselaer to augment the standard with 
information that could prove useful to companies.
The research task will focus on gathering data for some of
the criteria set forth in the standard. Reliability and
performance related inspection criteria could possibly evolve
from such data and we are looking forward to working together
with fellow IPC members on this topic. Please note however that
this is not the only topic of research for the proposed phase of
our Electronics Manufacturing Program. 

Again, I apologize for any remarks that unintentionally
offended those who were involved in the Joint National 
Standard for Soldering Task Group and thank you for 
otherwise following this discussion.

Vijay Sankaran
Research Associate
CIEEM, Rensselaer

ddhillma wrote:
> 
>      Hi TechNet!
> 
>      I have had the "opportunity" to be part of the committee working on
>      the JSTD 001 document and the comment that "....Most of the
> requirements mentioned in the J-STD-001 are either cosmetic or not measurable by
>  well-established inspection techniques" I take violent exception too! Yes, not
> all of the requirements in JSTD 001 have hard and fast data behind but just as
> many of the requirements do have data which the task group reviewed, argued
> over, and even retested. The JSTD 001 specification is being used by many
> companies to produce acceptable electronics hardware. No specification can
> prescribe requirements that fit every application for all electronics for all
> use environments. The JSTD 001 comes the closer to the goal of a "everyone can
> use" specification than any other document to date. Will it satisfy everyone's
> needs? No. All potential users should use the specification as  it would apply
> to their product and use environments. As for Rensselear conducting data that
> could be used to improve JSTD 001 that would be wonderful - being part of the
> process instead of throwing stones at the specification is a positive,
> constructive activity. I suggest you talk to the task group chairman, Jerry
> Rosser, to get a better insight of the specification and how the testing you are
> planning could improve the specification.
> 
> (Wow, sorry to get on my soapbox TechNet but that hit a nerve!)
> 
> Dave Hillman
> Rockwell Collins
> [log in to unmask]
>

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