The laboratory of lithography - an overview




The ventilation system


Main control unit Programmable control unit.





Basic ventilation unit Basic ventilation unit.




Clean air (passing through the end-filters) distributed to individual rooms (basic level near to class 10000). Using laminar flow-boxes the air cleaned further (the final level near to class 100 in the area of lithography for monolithic structures).



The DI water system


Reversal osmotic cleaner Reversal osmotic cleaner.




Deionizator/filter Deionization / filter unit.



Description of the DI water system.

 

The section of vacuum processes


Barrel etcher
Standard barrel plasma etcher.
Used for descuming and stripping of resists preferrably.





Planar etcher Laboratory planar plasma etcher.
Dry etching of insulating layers (silicon oxides and nitrides) performed here.






RIE
Experimental Reactive Ion Etcher.






A400VL
Vacuum deposition and etching equipment.


Description of the equipment.

 






The section of lithography of monolithic structures


Clean area for resist deposition a processing
Clean area for resist deposition and processing.






Resist deposition area
The area for deposition and heat treatment of resists.






Wet etching area The area for wet etching.







Clean area for mask aligners
Clean area for mask aligners.






Contact aligner #1
Contact aligner (split-field microscope).



Projection DSW aligner
Projection (DSW - Direct Step on Wafer) align and exposure system.



Contact aligner #2
Contact aligner (standard microscope).



Visual inspection and testing


Visual inspection
The area for visual inspection.





Test equipment Optical reflectometer and four-probe unit.





Assembling of samples

 (out of the lithography cleanrooms)


dicing saw
The diamond dicing saw.






Assembling
The equipment for assembling and for final visual inspection
(chip micromanipulator, LEITZ Ergolux/ICR microscope,
optical projection microscope, wire bonders).







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Last updated: Jul 7, 2006

 

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