ACS 200 cluster tool
|ACS 200 cluster tool|
|Material Processed||SPR 220, SPR 955 0.9, and LNF approved photo resist syringes|
|Chemicals Used||MF 300, MF 319, EBR, Acetone, HMDS|
|Supported Processes||Supported Processes|
|User Processes||User Processes|
The ACS 200 cluster tool is an automated photoresist coating, baking, vapor prime, stripping and developing tool. It can run full 4" and 6" cassettes of up to 25 wafers at a time. It's capable of having multiple paths running simultaneously (ie., coating and developing from two different cassettes). It automatically pumps SPR 220-(3.0) and 955 photoresists. Other resists can be set up to automatically dispense from a syringe. The spinner's closed lid option can help aid with more uniform sidewall coating. HMDS is applied via vapor prime. Both developers are CMOS compatible (MF 319, and MF 300). The developer temperature is controlled to within 0.1°C throughout the process.
- Currently the developer module is down on the ACS. The parts have been back ordered and are suppose to arrive at latest Thursday February 14th. Please create a ticket if you have a time sensitive project.
- Automated spin coating
- Automated spray developing
- Automated vapor prime
- Photoresist stripping
- 4" and 6" wafers
- RC-8 spin coater with gyrset closed cover option
- 4" chuck will accommodate 6"
- SPR 220-(3.0) and SPR 955 0.9 photo resists automatically dispensed.
- All other approved resists can be coated with EFD dispense option.
- Spray develop module fitted with MF 300 and MF 319
- Hot plate ovens and HMDS vapor prime chamber
- Fully automated robot handling
- 4" and 6" wafers
- Glass wafers not preferred for baking
The ACS 200 cluster tool is designated as a Semi-Clean class tool. Below is a list of approved materials for the tool. Approved means the material is allowed in the tool under normal circumstances. If a material is not listed, please create a helpdesk ticket or email firstname.lastname@example.org for any material requests or questions.
There are several processes for this tool supported by the LNF, which are described in more detail on the Processes page.
In addition to these, users can create a helpdesk ticket requesting a modification of one of the standard recipes by a tool engnineer. Some of these recipes are documented on ACS 200 cluster tool user processes.
Standard operating procedure
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- Read through this page and the Standard Operating Procedure above.
- Practice with your mentor or another authorized user until you are comfortable with tool operation.
- Complete the SOP quiz here
- Create a Helpdesk Ticket requesting training/checkout.
- A tool engineer will schedule a time for training/checkout
Complete spinner clean and conditioning are done semi annually or as needed. Fluid and resist fills are done/checked weekly. Hot plate ovens checked bi weekly and cleaned as needed. Spray develop checked weekly and maintained as needed. Robot training performed annually or as needed.