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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'''''Important Announcements''''' |
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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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===== 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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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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System is ready to use. |
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https://it.ucsb.edu/ivanti-secure-access-campus-vpn/get-connected-campus-vpn |
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We are running a newer computer; all jobs have been copied over, software options restored, and all old Jobs can be run/edited without issue. |
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-- Vraj |
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Nanofiles sync & JobCreator functionality will be restored in the next 2 weeks. |
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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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===== Face-Masks Optional as of June 13 ===== |
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-Aidan |
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You are not required to wear a mask in UC buildings at this time. You are also not required to wear a mask in the Nanofab if desired. |
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We will still provide masks at the metal table in front of the cleanroom entry. |
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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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See the [https://t.e2ma.net/webview/be2nag/25634e9f535619ce1f4eb976598e7268 UCSB announcement at this link]. |
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//[[User:Mehalana v|Vraj Mehalana]] 14:17, 1 March 2024 (PST) |
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See the full policies at '''[[COVID-19_User_Policies]]''' |
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Leak in main chamber, tool is down. |
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// [[User:John d|John d]] 14:35, 27 May 2022 (PDT) |
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Effective Dec.1, 2021, all of our electron beam lithography rates are lowered. The new rates are as follows: |
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Industrial Users: $405/hour |
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UC Academic Users: $126/hour |
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Non-UC Academic Users: $150/hour |
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UCSB CNSI Incubator USers: $260/hour |
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* You can copy/paste the example below for a new news item. |
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* Use level 5 heading for each item (5 equal signs surrounding the title) - they will show up as separate RSS items this way. (This looks best on the Wiki homepage) |
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* You must add a user signature at the end of each post via four tildes: [[User:Silva|Silva]] 13:26, 4 February 2023 (PST). Required for the RSS plugin to determine the timestamp, or else post goes to the end of the RSS feed. |
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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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The [[User:Silva|Silva]] 13:26, 4 February 2023 (PST) will be replaced with your username & timestamp after you submit the post. |
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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)