UMF-Cleanroom (UMF-Cleanroom)

UMF cleanroom provides class 100, class 1,000 and class 10,000 environments (ISO 5, 6 and 7 respectively).


Class 100 room is a yellow room, which is designed for doing photolithography, while device fabrication and measurement would be performed in class 1,000 and class 10,000 environment. Equipment includes thin film deposition system, ink-jet printing system, plasma etcher, wire bonder, probe station etc. 


Alert 1: From 1-Jan 2023, “Note” field in booking must be filled with approved Process Flow code (e.g Processflow-20000000R-221022-01). Booking with NO approved Process Flow code may be cancelled without noticed! For detail, please refer to Frequently Asked Question at below.


Alert 2: For safety reason required by CFSO, user would stay after 11:00 pm needs to register at security unit in advance everytime. User should obtain your supervisor approval and forward the approval and other information (Full name, Contact telephone number, Laboratory of stay, Duration of stay) to laboratory persons-in-charge by email. Security staff may ask you to leave immediately if no registration in advance. 


Charging Scheme:

  • Introduction of Cleanroom and Safety (compulsory): HK$150/user (internal); HK$180/user (Others)
  • Lab access (internal: HK$50/user/day) + material cost + equipment cost


Useful Information:



30 minutes before the start of booking session. However it will take no more than 10 minutes to activate cleanroom door access, after the booking session is created.


Upcoming Training Session:


Training Session for SUSS MA6

- Training Session will be held on 19 Jun at 10:30 am. Please click here to enroll. (P.S. Gather at Room HJ709)


Training Session for Sawatec SM-180-BT Easy Spin Coater and Novascan UV Ozone

- Training Session will be held on 18 Jun at 10:30 am. Please click here to enroll. (P.S. Gather at Room HJ709)