Template:Announcements: Difference between revisions
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It appears that the combination of higher beam currents than usual (we did after all upgrade our EBL capabilities for the purpose of higher throughput at much higher beam currents) and the particular (extremely sparse) stitch patterns we use to measure stitch accuracy revealed a subtle limitation in the Fine Focus coil used in their systems (the Fine Focus coil adjusts focal point on the substrate as the beam is deflected around the 1mm field). |
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We are working with the tool designers in Eindhoven as well as the service team in the US to “fix” this issue. However, in the meantime, we understand and recognize the problem sufficiently to address it if it comes up in real day-to-day usage. |
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'''''Equipment Status''''' |
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We will be signing off on the tool tomorrow morning at which point the tool will be available for '''general EBL use to our nanofab community'''. I will be working with a few experienced users in the next couple of days and then will be reaching out to a wider audience to get more of you trained. -- Bill Mitchell |
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<!------------- Equipment Status ----------------> |
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===== Nanofab Closure for Thanksgiving ===== |
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The Nanofab will be closed from Wed. Nov. 25 at 9pm until Sat. Nov. 28 at 5:30am in observance of the Thanksgiving holiday. Users are not permitted to enter the facility during these times. |
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[[User:Thibeault|Thibeault]] 21:38, 18 November 2020 (PST) |
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===== SignupMonkey + Wiki: Off-Campus Access===== |
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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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UCSB Students, Staff and Faculty are required to recieve a Flu Vaccine by Nov. 1st. <br>Please see the '''[[COVID-19_User_Policies#UCSB_Flu_Vaccination_Mandate|COVID19 Page]]''' for relevant links and information. |
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// [[User:John d|John d]] 19:47, 13 October 2020 (PDT) |
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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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===== NanoFab COVID Protocols ===== |
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Following guidelines provided by our Office of Research, the UCSB Nanofabrication Facility is open only for limited/authorized use for critical activity at this time. |
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https://it.ucsb.edu/ivanti-secure-access-campus-vpn/get-connected-campus-vpn |
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Contact the [[Brian Thibeault|Lab Director]] for more information. |
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-- Vraj |
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''The most recent COVID Protocols can be found at '''[[COVID-19_User_Policies]]'''.'' |
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=====Suss SB6-8E===== |
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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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I will send out an update once we have one. |
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-Aidan |
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See the [https://wiki.nanotech.ucsb.edu/w/index.php/Main_Page#mp-trivia-h2 News Feed] for info on two upcoming tool installations! |
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// [[User:John_d|Demis D. John]] 00:35, 8 December 2024 (UTC) |
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=====ICP1 Down===== |
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The [https://www.raith.com/products/velion.html?mobile=0 Raith Velion FIB] is up and running, and [[Dan_Read|Dr. Dan Read]] is qualifying the tool. See the [[Focused_Ion-Beam_Lithography_(Raith_Velion)|Velion's Tool page here]]. |
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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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//[[User:Mehalana v|Vraj Mehalana]] 14:17, 1 March 2024 (PST) |
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The Heidelberg Maskless Aligner has been installed, and is in the process of being qualified/characterized. See the [[Maskless_Aligner_(Heidelberg_MLA150)|MLA150's tool page here]]. |
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===== NanoFab making LN2 icecream ===== |
===== NanoFab making LN2 icecream ===== |
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Tomorrow the NanoFab will be serving liquid nitrogen ice cream. |
Tomorrow the NanoFab will be serving liquid nitrogen ice cream. |
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// [[User:Silva|Silva]] 13:26, 4 February 2023 (PST) |
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Latest revision as of 16:28, 2 July 2025
New Raith EBL: tool up
It appears that the combination of higher beam currents than usual (we did after all upgrade our EBL capabilities for the purpose of higher throughput at much higher beam currents) and the particular (extremely sparse) stitch patterns we use to measure stitch accuracy revealed a subtle limitation in the Fine Focus coil used in their systems (the Fine Focus coil adjusts focal point on the substrate as the beam is deflected around the 1mm field). We are working with the tool designers in Eindhoven as well as the service team in the US to “fix” this issue. However, in the meantime, we understand and recognize the problem sufficiently to address it if it comes up in real day-to-day usage.
We will be signing off on the tool tomorrow morning at which point the tool will be available for general EBL use to our nanofab community. I will be working with a few experienced users in the next couple of days and then will be reaching out to a wider audience to get more of you trained. -- Bill Mitchell // Demis D. John 16:28, 2 July 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)