Changing quartzware

Nabeel Robert Ibrahim ibrahim at Stanford.EDU
Mon Jan 22 19:31:17 PST 2001

>On a related note, there may be a change in policy regarding separate
>diffusion and silicide trays.   If you have any comments please contact 
>Jim McVittie or Krishna Saraswat so they have your input.  I believe
>they're trying to simplify the quartzware procedures while maintaining
>diffusion-clean standards.  They may be considering a change in allowed
>materials as well.

That is true.  Pinkesh and I did some work a couple of years ago which
showed no cross-contamination between silicided and oxidized wafers.  

I would like to have a user's group meeting to discuss this issue, hopefully
later this week or early next week.  Once I schedule the room, I'll let
everyone know.


>On Mon, 22 Jan 2001, Brian Joseph Greene wrote:
>> Users,
>>   I am planning to ask Len to change the AG4108 quartzware to the wbdiff
>> clean quartzware THIS WEDNESDAY.  I sent out an email a couple of weeks
>> ago warning users of this request.  The clean quartzware will remain
>> installed for approximately one week.  Please let me know this causes any
>> problems for any of you.
>> Thank you,
>> Brian
>> _____________________________________________________________
>>   Brian J. Greene                 Office: CIS-X 128X         
>>   Applied Physics Dept, MC 4090   Phone: (650) 723-4194 ext 5 
>>   Stanford University             Pager: (650) 354-9687       
>>   Stanford, CA  94305-4090        Fax: (650) 723-4659 

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