From hazeghi at stanford.edu  Mon Apr  9 16:21:29 2012
From: hazeghi at stanford.edu (Aryan Hazeghi)
Date: Mon, 9 Apr 2012 16:21:29 -0700
Subject: Cryostation update
Message-ID: <20AA9889-34E0-4082-8551-EEEA5B008CDA@stanford.edu>

Dear current and prospective cryostat users,

As you are aware, the cryostat has been offline since the summer last year due to extensive damage to the radiation shield support structure and the probe cables. Fortunately the tool is now fixed but the repair process has cost us valuable research time and resources, so going forward "we need to have much tighter user control and user awareness that this is a delicate tool similar to a vacuum fab tool in the SNF."

The tool is now fully integrated with the CORAL interlock and needs to be enabled by individual, qualified users. 
Please join us on Monday 04/16 at 2:00-3:00PM in CISX 318 (due to MRS this week) where we will go over the new protocols, share the weak points in the tool design and answer any questions. All existing qualifications are suspended pending attendance in this session. Prospective users need to attend as well. If the time does not work for you, please contact the superusers.

I understand that this level of scrutiny may seem rather excessive for such a small user base, but we hope the new protocols will help reduce the downtime. 

Thanks to those who helped with bringing the tool back online and to Professors Wong, Nishi and Saraswat for their support.

Best,
Aryan

From hazeghi at stanford.edu  Mon Apr  9 18:53:38 2012
From: hazeghi at stanford.edu (Aryan Hazeghi)
Date: Mon, 9 Apr 2012 18:53:38 -0700
Subject: Fwd: Cryostation update
References: <4F8391B4.3030906@stanford.edu>
Message-ID: <3A4D2BE7-2DC1-471C-957D-AE739D3A8BA7@stanford.edu>

Please see the notice below by Prof. Wong.


Begin forwarded message:

> From: "H.-S. Philip Wong" <hspwong at stanford.edu>
> Subject: Re: Cryostation update
> Date: April 9, 2012 6:49:40 PM PDT
> To: Aryan Hazeghi <hazeghi at stanford.edu>
> Cc: cryostation at snf.stanford.edu, Rakesh Jeyasingh <jrgdavid at stanford.edu>, Arunanshu Roy <amroy at stanford.edu>, Paul Lim <lim at snow.stanford.edu>, Rathnait Long <rathnait at stanford.edu>, Tae Hoon Lee <lthoon at stanford.edu>, Yoshio Nishi <nishiy at stanford.edu>, Krishna Saraswat <saraswat at stanford.edu>
> 
> Dear crystat users:
> 
> This equipment is not your usual probe station. It is basically a vacuum equipment similar to most vacuum equipment at the SNF. So, please exercise the same level of care when you use the tool. If you are not sure if something can be done with the tool, it is always good to ask. You need to document all uses of the tool so we can better maintain the tool.
> 
> If someone is shown to be careless, we will need to restrict access to the careless person(s). No exceptions.
> 
> Philip
> 
> H.-S. Philip Wong
> Department of Electrical Engineering and Center for Integrated Systems,
> Paul G. Allen Building 312X
> 420 Via Palou, Stanford University, Stanford, CA 94305.
> Phone: +1-650-725-0982, Mobile: +1-650-353-0796
> Email: hspwong at stanford.edu
> 
> 
> On 4/9/2012 4:21 PM, Aryan Hazeghi wrote:
>> Dear current and prospective cryostat users,
>> 
>> As you are aware, the cryostat has been offline since the summer last year due to extensive damage to the radiation shield support structure and the probe cables. Fortunately the tool is now fixed but the repair process has cost us valuable research time and resources, so going forward "we need to have much tighter user control and user awareness that this is a delicate tool similar to a vacuum fab tool in the SNF."
>> 
>> The tool is now fully integrated with the CORAL interlock and needs to be enabled by individual, qualified users.
>> Please join us on Monday 04/16 at 2:00-3:00PM in CISX 318 (due to MRS this week) where we will go over the new protocols, share the weak points in the tool design and answer any questions. All existing qualifications are suspended pending attendance in this session. Prospective users need to attend as well. If the time does not work for you, please contact the superusers.
>> 
>> I understand that this level of scrutiny may seem rather excessive for such a small user base, but we hope the new protocols will help reduce the downtime.
>> 
>> Thanks to those who helped with bringing the tool back online and to Professors Wong, Nishi and Saraswat for their support.
>> 
>> Best,
>> Aryan

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From Bin.Yang at globalfoundries.com  Mon Apr  9 18:55:03 2012
From: Bin.Yang at globalfoundries.com (Yang, Bin)
Date: Mon, 9 Apr 2012 21:55:03 -0400
Subject: Cryostation update
In-Reply-To: <20AA9889-34E0-4082-8551-EEEA5B008CDA@stanford.edu>
References: <20AA9889-34E0-4082-8551-EEEA5B008CDA@stanford.edu>
Message-ID: <0613F9250CFA7440BEC57485609F3CEB919F9DD3@VLFCEXMBXP1.gfoundries.com>

Hi Aryan,

I have conflict at this time slot ( 2-3pm, April 16th), Is it possible to move it to the morning, or after 3:30pm?

Thanks,

Bin

-----Original Message-----
From: Aryan Hazeghi [mailto:hazeghi at stanford.edu] 
Sent: Monday, April 09, 2012 4:21 PM
To: cryostation at snf.stanford.edu
Cc: Rakesh Jeyasingh; Arunanshu Roy; Paul Lim; Rathnait Long; Tae Hoon Lee; Yoshio Nishi; H.-S. Philip Wong; Krishna Saraswat
Subject: Cryostation update

Dear current and prospective cryostat users,

As you are aware, the cryostat has been offline since the summer last year due to extensive damage to the radiation shield support structure and the probe cables. Fortunately the tool is now fixed but the repair process has cost us valuable research time and resources, so going forward "we need to have much tighter user control and user awareness that this is a delicate tool similar to a vacuum fab tool in the SNF."

The tool is now fully integrated with the CORAL interlock and needs to be enabled by individual, qualified users. 
Please join us on Monday 04/16 at 2:00-3:00PM in CISX 318 (due to MRS this week) where we will go over the new protocols, share the weak points in the tool design and answer any questions. All existing qualifications are suspended pending attendance in this session. Prospective users need to attend as well. If the time does not work for you, please contact the superusers.

I understand that this level of scrutiny may seem rather excessive for such a small user base, but we hope the new protocols will help reduce the downtime. 

Thanks to those who helped with bringing the tool back online and to Professors Wong, Nishi and Saraswat for their support.

Best,
Aryan


From hazeghi at stanford.edu  Tue Apr 17 23:03:18 2012
From: hazeghi at stanford.edu (Aryan Hazeghi)
Date: Tue, 17 Apr 2012 23:03:18 -0700
Subject: Cryostation Group Training
Message-ID: <19B408E7-C9AC-4100-AF8B-EFB5AD9CA632@stanford.edu>

Hi All,

As we discussed on Monday, we will have a group training for the cryostation on Monday 04/23 starting at 1PM. Please join even if you missed the Monday meeting. We will run a complete low T measurement (load samples, get LN2 from the physics shop, cool down, wait, do the measurement, wait and unload). This will take several hours, you can leave during the wait times but you are welcome to stick around and ask questions. So please bring any interesting samples that you have and we will choose the most interesting ones. Also you can always let us know if you need help with any part of your measurement/equipment setup or your first run, etc...

Cheers,
Aryan

From hazeghi at stanford.edu  Mon Apr 30 14:14:41 2012
From: hazeghi at stanford.edu (Aryan Hazeghi)
Date: Mon, 30 Apr 2012 14:14:41 -0700 (PDT)
Subject: Notes on tool usage
In-Reply-To: <1041521332.68366672.1335820094426.JavaMail.root@zm06.stanford.edu>
Message-ID: <905605526.68373167.1335820481734.JavaMail.root@zm06.stanford.edu>

Hi all,

just a reminder of the following (also mentioned during the training):

1. you need to leave the cryostat enabled for the entire time you are using it, including cool down and return to room temperature. this is to avoid accidental venting of the chamber in cryo.

2. Do not connect/disconnect the SMU CMU unify unit WHEN THE B1500 IS ON.you need to first shut the 1500 off properly and then attach/dismantle the SCUU (this the gray box that attaches to the B1500 terminals and we showed you in the training)

thanks
aryan