Template:Announcements: Difference between revisions
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===== Chemical processing is UP ===== |
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There was a short ~30min campus water outage, but it has now been restored. |
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The MLA 150 will be down for a service visit from Tuesday February 6th to Thursday February 8th. The tool should be available in the evenings and it's possible the work will be completed by the end of Wednesday. |
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Chemical usage/processing is now allowed as normal. |
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===== Raith EBL Update ===== |
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Here's the schedule for when the tool will be unavailable: |
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Unfortunately the fix discussed in the last update turned out to be a good news/bad news thing. The good news is that the majority of the field distortion problem we have experienced since the install has been addressed. However the bad news is that there is still a residual settling effect that is distorting the field in one part of the field only and prevents the tool from fully meeting specifications. So it turned out to a layers of an onion kind of thing – because of course it did. |
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So the suspect now is the fine focus coil in the column (one of the factory engineers predicted stitch shifts when a faulty fine focus coil is present which essentially replicated the errors we are now seeing) and the question now is how to get one of these sent to UCSB. They are a factory install item so for us to get one, and one that has been tested and confirmed to be fully operational, would require it to be taken from a tool currently under fabrication on the production line. |
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Tues (2/6): 11:30 am - 5 pm |
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We are close, very close, but still not quite there. And I am really sorry that is still the case… |
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Wed (2/7): 8 am - 5 pm |
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-Bill |
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===== SignupMonkey + Wiki: Off-Campus Access===== |
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Thurs (2/8) 8 am - 5 pm (if needed). |
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Due to a DDoS attack affecting the Signupmonkey server, we have restricted access to the website to US locations only, including both the Nanofab Wiki and Signupmonkey. |
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If you are off-campus and experiencing issues, please utilize the UCSB VPN to access our sites. Here are the installation instructions for VPN on your device. You will need your UCSB NetID for download and installation - you would have received a UCSB NetID when you started using the NanoFab: |
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-Lee |
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https://it.ucsb.edu/ivanti-secure-access-campus-vpn/get-connected-campus-vpn |
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-- Vraj |
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=====MJB-3 Service Next Week - REMINDER===== |
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// [[User:John_d|Demis D. John]] 20:08, 22 April 2025 (UTC) |
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The MJB-3s will be unavailable Thursday Feb. 8th for their annual service visit. |
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//[[User:Mehalana v|Vraj Mehalana]] 10:37, 1 February 2024 (PST) |
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We found a blown resistor (and a questionable op amp) on one of the boards that contains the z-axis motor circuit. However, we still cannot get the tool to initialize. Next we will try swapping out the hard drive again and run some more tests. |
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=====MA6 Service Next Week - REMINDER===== |
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-Aidan |
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The MA-6 will be unavailable Tuesday Feb 6th from 8 am to roughly 5 pm for its annual service visit. |
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The issue with the backside camera magnification getting stuck will be addressed during the visit. |
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The board we were waiting on arrived, but it did not resolve the tool issue. We are working with Panasonic on the next steps. |
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-Lee |
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//[[User:Mehalana v|Vraj Mehalana]] 10:37, 1 February 2024 (PST) |
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RIE 5 is up except for processes that use SiCl4. |
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//[[User:Mehalana v|Vraj Mehalana]] 09:39, 30 January 2024 (PST) |
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=====Dry Etch, Si Deep RIE (PlasmaTherm DSEIII) - DSE Update===== |
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We received most of the chamber assembly replacement parts today. We are still waiting on the lamps and chamber o-rings which are scheduled to be delivered in the next couple of days. Once we have all the parts, we'll start to reassemble the chamber. |
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Thanks, |
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//[[User:Mehalana v|Vraj Mehalana]] 10:58, 5 February 2024 (PST) |
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=====ICP #1 is down===== |
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The tool remains down. We did not find any "smoking gun" with the PC but did find that the PC's power supply had a non functional fan and the power supply did not test as good (granted it would still power up the PC). We will continue troubleshooting the PC issue in the morning. |
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-Lee |
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//[[User:Mehalana v|Vraj Mehalana]] 09:39, 30 January 2024 (PST) |
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=====EBeam3 Planned Maintenance 2/7/24 - 2/8/24===== |
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EBeam3 is scheduled to be down starting at 8:00am on 2/7/24 through 4:00pm on 2/8//24 so that we can install the new transfer arm. |
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Please plan accordingly. |
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//[[User:Mehalana v|Vraj Mehalana]] 09:28, 26 January 2024 (PST) |
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=====Oxford Cobra: Software bugs===== |
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The latest revision of software has several bugs: see email for details. We are working with Oxford to resolve via software upgrade. |
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=====Job Opening: Process Engineer===== |
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The Nanofab has a current job opening for a Process/Wafer-Fab Engineer, see the [https://wiki.nanofab.ucsb.edu/wiki/Nanofab_Job_Postings NanoFab Job Openings page] for details. |
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=====Lab Access Changes: Symmetry App===== |
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Card/Iris scanner access is still currently enabled. However we will be moving to a smartphone-based access system. '''IMPORTANT''': check your email to setup the new smartphone access system, so you will be ready when we switch to the new system. Look for an email titled '''''"Invitation to Access Symmetry App"'''''. |
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// [[User:John d|John d]] 13:49, 7 November 2023 (PST) |
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SUSS aims to be on site in early February. We’ll will send out an email once I get confirmation for a specific date. |
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Latest revision as of 18:36, 16 June 2025
Chemical processing is UP
There was a short ~30min campus water outage, but it has now been restored. Chemical usage/processing is now allowed as normal. // Demis D. John 18:36, 16 June 2025 (UTC)
Raith EBL Update
Unfortunately the fix discussed in the last update turned out to be a good news/bad news thing. The good news is that the majority of the field distortion problem we have experienced since the install has been addressed. However the bad news is that there is still a residual settling effect that is distorting the field in one part of the field only and prevents the tool from fully meeting specifications. So it turned out to a layers of an onion kind of thing – because of course it did.
So the suspect now is the fine focus coil in the column (one of the factory engineers predicted stitch shifts when a faulty fine focus coil is present which essentially replicated the errors we are now seeing) and the question now is how to get one of these sent to UCSB. They are a factory install item so for us to get one, and one that has been tested and confirmed to be fully operational, would require it to be taken from a tool currently under fabrication on the production line.
We are close, very close, but still not quite there. And I am really sorry that is still the case… -Bill // Demis D. John 22:53, 13 June 2025 (UTC)
SignupMonkey + Wiki: Off-Campus Access
Due to a DDoS attack affecting the Signupmonkey server, we have restricted access to the website to US locations only, including both the Nanofab Wiki and Signupmonkey.
If you are off-campus and experiencing issues, please utilize the UCSB VPN to access our sites. Here are the installation instructions for VPN on your device. You will need your UCSB NetID for download and installation - you would have received a UCSB NetID when you started using the NanoFab:
https://it.ucsb.edu/ivanti-secure-access-campus-vpn/get-connected-campus-vpn
-- Vraj // Demis D. John 20:08, 22 April 2025 (UTC)
Suss SB6-8E
We found a blown resistor (and a questionable op amp) on one of the boards that contains the z-axis motor circuit. However, we still cannot get the tool to initialize. Next we will try swapping out the hard drive again and run some more tests.
I will send out an update once we have one. -Aidan // Demis D. John 00:35, 8 December 2024 (UTC)
ICP1 Down
The board we were waiting on arrived, but it did not resolve the tool issue. We are working with Panasonic on the next steps. //Vraj Mehalana 14:17, 1 March 2024 (PST)