dezwitinc said:
If they are being that precise about contamination, better get engineering advice.
Any contamination that may get in the room could result in big $$$ problems if product is damaged by contamination.
Agreed... you don't want to wing it here.
Never dealt with
electrical in cleanrooms, but worked in cleanrooms for a number of years. Cleanrooms have classifications based on a number of particles per cubic foot, which are designated in orders of magnitude: 100K, 10K, 1000, and so on. A Class 10,000 has not more than 10,000 particles per cubic foot.
A Class 10,000 cleanroom is what you would find for a typical manufacturer of disposable medical devices (i.e. not implantables), whereas Intel's microprocesser cleanrooms are Class 1. There is a world of difference between these two environments. From another post, it appears you are dealing with Class 10,000 -- which are fairly common.
There is at least
one patent out there for a device box designed specifically for cleanrooms, but no idea if the device was ever manufactured. The original patentholder has since been purchased by
Werner Electric in WI. Might be worth giving them a call.
If you do a Google search on "IEEE P1429" you will find info on the IEEE working group for "Recommended Practice for Electrical Systems in Cleanrooms"... It's dormant now, but perhaps poking around and contacting some of the people who worked on that group might lead you in the right direction.
