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Phone: (609) 258-4626
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Fax: (609) 258-3585
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Pager: (888) 200-3481
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E-mail: gleskova at princeton.edu
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From mark.crain at louisville.edu Tue Feb 20 13:39:53 2007
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From: mark.crain at louisville.edu (Mark M Crain)
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Date: Tue, 20 Feb 2007 13:39:53 -0500
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Subject: [labnetwork] Cleanroom Buddy protocol
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Message-ID: <45DAFA2A.716B.0008.0@gwise.louisville.edu>
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Hi Everyone
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I am interested in an informal survey of facilities implementing a
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*buddy system* in their multi user labs. Our microfabrication
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cleanroom user base is around 50 research students and staff. The user
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size of this facility puts us in a situation where there may not always
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2 or more people in the cleanroom at all times; this has precipitated a
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number of requests from students and faculty about conditions in which
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they can enter the cleanroom as a *solitary user*.
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Here are some of the conditions in which people want to be able to work
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in the facility alone.
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1) staff cleaning the floors, stock wafers, organize in dry bays
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alone
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2) using tools like profilometers, ellipsometers, or wire bonder
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alone
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3) sputtering and evaporation systems
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4) Can staff walk through chemical storage areas alone?
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5) What is your schools *buddy system* policy for individual
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researchers labs?
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6) Do cameras and a TGM system count as a buddy?
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PRO*s to the *Solitary User*
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Researchers can work during hours most productive to them. It*s good
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to have happy paying users.
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CON*s to the *Solitary User*
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Even if the solitary access requests are to complete some relatively
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safe task, there are still many hazards in the facility and some
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equipment (furnaces, PECVD) may actually be in active use even without
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the tool user being in the room. This is the foundation of my concern
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for permitting any *solitary users*. Users may be tempted to do
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short unapproved *solitary user* processes like an HF dip before a
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potentially approved process such as sputtering.
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I am looking forward your replies about the Buddy System. Thank you
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for your time.
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Mark Crain
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Cleanroom Manager
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University of Louisville
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From mark.crain at louisville.edu Mon Feb 26 16:14:50 2007
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From: mark.crain at louisville.edu (Mark M Crain)
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Date: Mon, 26 Feb 2007 16:14:50 -0500
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Subject: [labnetwork] Buddy System Synopsis
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Message-ID: <45E3077B.716B.0008.0@gwise.louisville.edu>
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Hi Everyone
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I am sure it has come as no surprise that there were a range of answers
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regarding the implementation of the *buddy system*. Of the
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respondents, it seems that the buddy system is used mostly to address
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requirements of the cleanroom users defined as Student, Staff
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Researcher, or External User. There was no real discussion of a buddy
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system required for those who are maintenance staff. Some respondents
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use interlocks to prevent unauthorized use of equipment and others
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depend on the honor system. In our facility the wet benches are really
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the most dangerous tools we have, so I would be interested in knowing
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how those can be interlocked.
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Here are the composite answers to the "solitary users" conditions we
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are considering
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1) Staff cleaning the floors, stock wafers, organize in dry bays
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Alone
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(Answer: Requires no buddy according to all respondents
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who addressed the issue.)
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2) Using tools like profilometers, ellipsometers, or wire bonder
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Alone
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(Answer: Requires no buddy by a majority of
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respondents.)
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3) sputtering and evaporation systems
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(Answer: Needs a buddy by most respondents.)
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4) Can staff walk through chemical storage areas alone?
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(Answer: No buddy required by majority of
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respondents.)
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5) What is your schools *buddy system* policy for individual
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researchers labs?
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(Answer: No Reply, I am guessing that most
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schools have not gotten to the point of addressing this policy.)
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7) Do cameras and a TGM system count as a buddy?
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(Answer: Of course not!)
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Based on the results, we plan to implement a solitary user policy so
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that profilometers, ellipsometers, microscope, and probe stations can be
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used alone. Staff should be allowed to clean non wet bench areas alone,
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take inventory, stock non hazardous items, and inspect areas without a
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buddy. Maintenance and tool hook up will require a buddy.
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Thank You all for the comments and insight.
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Best Regards,
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Mark
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---
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