Raith update

Yuan Zhang zhangy at stanford.edu
Sun Jun 1 20:17:46 PDT 2008



I got the same error when I tried to use the modified procedure this
evening. As a result, tomorrow morning's session (6-9:30am) is released.





From: vanessa.sih at gmail.com [mailto:vanessa.sih at gmail.com] On Behalf Of
Vanessa Sih
Sent: Sunday, June 01, 2008 9:44 AM
To: toecutter4ranger at gmail.com
Cc: Byoungil Lee; EBEAM Ebeam Lab
Subject: Re: Raith update



I tried to use the modified load procedure this morning, and I get the
following error message when I click on the lightning rod button on the T

> Find Home motor T failed (-1)!

I tried shutting down both computers and retrying, but this did not help.  I
didn't want to try the normal load procedure, so I am giving up on Raith use
for today.


On Sun, Jun 1, 2008 at 6:32 AM, <toecutter4ranger at gmail.com> wrote:

Just use the tool and send me email a d be sure to log your sessions in the

Sent via BlackBerry by AT&T

-----Original Message-----
From: "Byoungil Lee" <bilee at stanford.edu>

Date: Sun, 1 Jun 2008 00:39:05
To:"Jesse Lu" <jesselu at stanford.edu>
Cc:"John Shott" <shott at stanford.edu>,"Raith SNF Mailing list"
<raith at snf.stanford.edu>,<toecutter4ranger at gmail.com>
Subject: Re: Raith update

Dear All,
I thought I was going to be able to use the tool. But, since the tool is
still in red, I assume I do not have access to the tool.  (or, can I try to
use it? )
I am releasing my session from 0am to 4am.
Thank you,
----- Original Message -----
From: Xinran

 Wang <mailto:xinranw at stanford.edu>
To: Jesse Lu <mailto:jesselu at stanford.edu>
Cc: John Shott <mailto:shott at stanford.edu>  ; Raith SNF
 Mailing list <mailto:raith at snf.stanford.edu>  ; toecutter4ranger at gmail.com
<mailto:toecutter4ranger at gmail.com>
Sent: Saturday, May 31, 2008 10:58 PM
Subject: Re: Raith update

Hi Jesse,
Thank you for your help to bring raith up. But raith is still in red light
mode in coral, if this is the case, can we still use it or someone has to
turn it to yellow first?


On Sat, May 31, 2008 at 2:48 PM, Jesse Lu <jesselu at stanford.edu
<mailto:jesselu at stanford.edu> > wrote:
 Hey Raith users,

After a few hours on the phone with James and a Raith representative, we
seem to be able to load samples now. The T translation system seems to be
still acting up, but we were able to successfully load a sample this
afternoon at 2pm. However, we used a modified loading procedure.

James says to: use a modified load procedure

* Do not simply hit the Load Sample button in the Loadlock window to drive
your sample into the e-beam chamber.
* Instead, perform a Find Home position for T procedure

* This is done by first going to the Find Home window

* Then click on the lightning rod button on the T row
* Wait a few seconds for the procedure to finish
* Finally, check the Delta value for T in the Find Home window
* Please perform this procedure 2-3 times until the Delta value is on the
order of 20-50 microns

* Then proceed with the normal load procedure by clicking the Load Sample
button in the Loadlock window
John Shott, James would also like you to put the system back in yellow light
mode if possible.

Finally, users Mitsuru and Kathryn are currently "sharing the ride" on the
tool. Let's revert back to the usual schedule at midnight tonight with
Bilee's reservation. If extra time is needed because of this delay, let's be
flexible with one another.



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