I can't answer all of your question but I do have info
on machine costs, and stripper costs.  Alot of this is dependent
on the resist you are attempting to strip and the thickness,
also is it inner or outers (Outerlayer films are much more difficult
to strip and also more expensive.)

Machine around $250K-300K footprint 3.5'x15'
Stripper cost (depending on volume) expect to
pay anywhere from $8/gallon to $15/gallon as I
said before this is dependent on the film you
are looking at.

Waste treatment costs will depend on your requirements.
It could be expensive if you have a low COD limit.  Make
sure your equipment has a good filtration system and you
should be able to remove a large percentage of the skins
from solution.







At 01:18 PM 5/8/98 -0400, you wrote:
>
>Message-headers:
>Date: Fri, 8 May 1998 13:14:00 EDT
>From: "G. SIDNEY COX"@mr-gw1.email.dupont.com
>Posting-date: Fri, 8 May 1998 00:00:00 EDT
>A1-type: DOCUMENT
>I am trying to gather data on the cost of the stripping
>operation for primary imaging photoresists?  I would like to get $/board
square
>foot for:
>
>A. Cost of operator(s) including benefits
>B. Cost of equipment and depreciation amounts
>C. Cost of power and cost of equipment footprint (space taken up by
equipment)
>D. Cost of actual stripper chemistry, either caustic or proprietary
>E. Cost of rinse water
>F. Cost to waste treat both spent stripper (including skins waste) and rinse
>water.
>
>I would appreciate any information you are willing to share.  Thanks for your
>help.
>
>Regards,
>
>David R. McGregor
>DuPont Electronics
>
Josh Moody
Materials Quality Engineer
Hewlett-Packard - Richardson (HPSD)
ph# (972) 497-4617
[log in to unmask]

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