All,

 Indeed a 'MIL' is 1/1000 inch, 1um is a micrometer or 1 'MICRON',
 and 1000 angstroms is 1 millimeter.

                                             Regards,

                                               Jim




>> Not neccessarily off-topic.  Researching PCB houses like Advanced
>> Circuits, I'm trying to get an exact value for the MIL measurement.
>> I've found multiple conflicting sources, some saying 1mil = .001" and
>> others saying 1mil = 1um.
>
> For PC boards I've only ever heard of a "mil" being 1/1000 inch.
>
>
> ********************************************************************
> Olin Lathrop, embedded systems consultant in Littleton Massachusetts
> (978) 742-9014, olin@embedinc.com, http://www.embedinc.com
>
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