In a message dated 09/25/2000 7:48:53 AM Central Daylight Time,
[log in to unmask] writes:

> Good Morning TechNet:
>
>  First, thanks for the input on the conductive adhesive.  I will check out
>  the references you all provided.
>
>  I have a question about product class type . . . for instance . . . class
>  one, class two, class three.  I don't remember where I seen this.  I am
>  thinking in the IPC standards, but not sure.  Can I get some quick help on
>  this one.
>
>  Thanks
>  Ron Hollandsworth

Mornin' Ron!

IPC-A-610 defines product classifications on page 1-2. They are as follows:

Class-1 General Electronic Products
Includes consumer products, some computer and computer peripherals suitable
for applications where cosmetic imperfections are not important and the major
requirement is function of the completed electronic assembly.

Class 2 Dedicated Service Electronic Products
Includes communications equipment, sophisticated business machines, and
instruments where high performance and extended life is required and for
which uninterrupted service is desired but not critical. Certain cosmetic
imperfections are allowed.

Class 3 High Performance Electronic Products
Includes the equipment and products where continued performance or
performance- on-demand is critical. Equipment downtime cannot be tolerated
and must function when required, such as in life support items or flight
control systems. Assemblies in this class are suitable for applications where
high levels of assurance are required, service is essential, or the end-use
environment may be uncommonly harsh.

-Steve Gregory-

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