Template:Announcements: Difference between revisions

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===== New Raith EBL: tool up =====
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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.
'''''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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// [[User:John_d|Demis D. John]] 16:28, 2 July 2025 (UTC)
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<!------------- Equipment Status ---------------->


===== MLA Service: Monday Jan 30th 5:30pm =====
===== 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.
The MLA will be down beginning on Monday 1/30 at 5:30 pm and the tool will be unavailable until around 5 pm the following day (Tuesday 1/31). HIMT needs to have Germany remote into the tool that evening to address the software issues we have been having.
I will send an email out on Tuesday once the tool is available.


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:
-Lee
// [[User:John d|John d]] 13:46, 27 January 2023 (PST)

===== Flip-Chip Bonder repair =====
All of the damaged parts have been repaired and we should receive them next week. I'm hopeful we'll have the system running by Thursday or Friday. -- Tony
// [[User:John d|John d]] 15:05, 27 January 2023 (PST)

===== Dektak XT in qualification =====
We have replaced the Dektak 6M with a new Dektak XT profilometer. We are currently qualifying the tool, we'll send an email when it's ready for training.
// [[User:John d|John d]] 10:39, 25 January 2023 (PST)

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===== Au Plating: DOWN =====
Bath damaged, system is down for repair.
// [[User:John d|John d]] 08:48, 27 October 2022 (PDT)


https://it.ucsb.edu/ivanti-secure-access-campus-vpn/get-connected-campus-vpn


-- Vraj
// [[User:John_d|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
// [[User:John_d|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.
//[[User:Mehalana v|Vraj Mehalana]] 14:17, 1 March 2024 (PST)


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⚫
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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)

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