New cleanrooms for
Electron-Beam nanoLithography (EBL)
based on Scanning Electron Microscope (SEM)

 


Documentation

Building


 

Documentation

 

Outlook of the laboratory (version 0530 = MMDD):



A grid of 0,5 meter pitch on background of this as well as of some other drawings.

Room types:
- class   100 : space for the EBL column (temperature stabilized to +/-0,5°C), space "1b" (exhaust of 1200m3/hour),
- class   1000 : other parts of the cleanroom "1a",
- class  10000 : area "1c", area "1d" (exhaust of 2400m3/hour)


 



Position of (enumerated) parts of the laboratory (version 0703):

Labeling (and characteristics) of individual rooms:
room No.F39 - "black" office (staff - topological design of structures),
room No.F40 - "grey" office (staff - technological processes supervision),
room No.F41 - "grey service" (staff - maintenance, part of technological equipment),
room No.F42 - "grey" room (HVAC, part of technological equipment),
room No.F43A - "black entrance" (entrance area),
room No.F43B - "grey gowning area" (first gowning),
room No.F44 - "white gowning area" (final gowning),
room No.F45 - cleanroom of class 10000 (wet- and dry- etching),
rooms No.F46+F47 - cleanroom of basic class 1000 comprising zones of class 100 (lithography)




Area of electron-beam lithography + microscopy (EBL/SEM): 
E1 - basic unit (column)
E2 - rack comprising supply and control units
E3 - control panel EBL/SEM
E4 - antivibrational block (for EBL/SEM)
E5 - laminar zone (+/-0,5°C, class 100)
E6 - roughing pump
E7 - coil X (of spurious magnetic fields compensation system)
E8 - coil Y  (   - " -   )
E9 - coil Z   (   - " -   )
E10 - EBL/SEM operator seat
E11 - EBL/SEM system thermostat unit
E12 - unit of electron lens thermostat (stabil. to 0,1°C)
E13 - EBL/SEM control UPS
    Area of resist processing (room No.F47): 
R1 - chemical flowbox (electron resist deposition)
R2 - chem.flowbox (electron resist development)
R3 - chem.flowbox (photoresist deposition)
R4 - chem.flowbox (photoresist processing)
R5 - box for resists (exhausted)
R6 - box for developers, etc. (exhausted)
R7 - storno
R8 - laminar-flow area, class 100
R9 - anti-static curtain
     
Photolithography and optical microscopy area (room No.F47): 
F1 - hanging laminar-flow unit (optical microscope)
F2 - hanging laminar-flow unit (diagnostics)
F3 - hanging laminar-flow unit (contact aligner)
F4 - hanging laminar-flow unit (projectional aligner)
F5 - antivibrational block (for contact aligner)
F6 - antivibrational block (for projectional aligner)
    Wet- a dry- etching cleanroom (room No.F45): 
L1 - fume hood (corrosionless construction)
L2 - chemical flowbox (wet etching - acids, bases)
L3 - storno
L4 - chemical flowbox (wet etching - organics)
L5 - box for anorganic chemicals (exhausted)
L6 - box for organic chemicals (exhausted)
L7 - dry-etching equipment (PE)
L8 - dry-etching equipment (RIE)
L9 - hanging laminar-flow unit (optical microscope)
L10 - hanging laminar-flow unit
     
Technical background (rooms No.F41 and F42 - HVAC): 
T1 - compressed gas (O2)
T2 - compressed gas (CF4)
T3 - compressed gas (spare position)
T4 - equipment for pure water preparation
T5 - oil-free compressor
T6 - pump and central vacuum-reservoir
T7 - compressed gas (forming gas Ar+5%H2)
T8 - oven
T9 - die saw
T10 - thin-layer deposition equipment
T11 - LN2 -> gaseous nitrogen generator
    Some other parts: 
F7 - antivibrational block (room No.F40)
O1 - check-window to the cleanroom No.F46
P1 - heating gas input valve (on the outer wall)
P2 - gas-heating for the input HVAC unit
U1 - washer incl. safety shower (room No.F47)
U2 - washer incl. safety shower (room No.F45)
U3 - washer in room No.F39
U4 - washer in room No.F40
U5 - washer in room No.F41
U6 - washer + sink in room No.F42
U7 - washer + sink in room No.F42 (maintenance)
V1 - HVAC units (according to the HVAC design)
V2 - main computer for HVAC measur.&control


"Quasi-3D" aerial views of the laboratory (the door D10 and some other details are not shown in these views):



 


  

Orientation of the central EBL unit vs the beam blanker
Orientation of the central EBL unit vs the beam blanker

 

Description of the magnetic field cancelling system here.


Building


Building process related to some parts of the laboratory
(see captions of individual thumbnails displayed):

the room c.F46/47

 
c.F46 room - the well of E4

  
concrete fundament in c.F45-47

 
the well E4 bottom

  
air recirculation trenches in c.F42

 
isolation of the E4 well

  
the fundament steelfixing for the blocks F5, F6

 
the fundament steelfixing for the antivibrational block E4

  
detail of thermal isolation

 
the floor adapted for concrete application

  
air-recirculation trench of c.F47

 
final concrete surface of the lower floor of c.F46-47

  
the air-recirculation trenches at the room c.F42

 
laying of the main air-recirculation line, view from the room c.F44

  
contamination protection of the recirculation tubing during manipulation

 
laying of the main recirculation line, view from the room c.F43A

  
exhaust air-recirculation flues of the room c.F47

 
exhaust air-recirculation flues of the room c.F46

  
concreting of the floor of the machine-room c.F42

 
exhaust flues of the room c.F45

  
the F7 antivibrational block well

 
the feed-throughs in the partition wall viewed from the machine-room c.F42

  
concreting of the antivibrational block F7 fundament

 
facing of the ceiling and the walls of the machine-room c.F42

  



Last updated:    Mar 12, 2007


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