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About MEMS
Contact front-front alignment (MJB3) : View
Process Hierarchy
Bonding
Clean
Consulting
Deposition
Doping
Etch
LIGA
Lift off
Lithography
Mask making
Metrology
Miscellaneous
Packaging
Polishing
Process technologies
Thermal
Unique capabilities
If you are interested in this process, either by itself or as part of a longer processing sequence, please send us email at
engineering@mems-exchange.org
or call us at (703) 262-5368
on front
Contact front-front alignment (MJB3)
Alignment side
front
Field geometry
Shape of field with dimensions characterized by the maximum field size
circle
Max field size
75 mm
Min feature size
2 µm
Sides processed
either
Wafer size
Wafer size
50 mm
75 mm
Equipment
Karl Suss MJB3 Mask Aligner
Equipment characteristics:
Wafer geometry
Types of wafers this equipment can accept
no-flat, 1-flat, 2-flat, notched
Wafer holder
Device that holds the wafers during processing.
vacuum chuck
Wafer materials
List of wafer materials this tool can accept (not list of all materials, just the wafer itself).
glass (category), Pyrex (Corning 7740), quartz (single crystal), silicon, silicon on insulator
Wafer thickness
List or range of wafer thicknesses the tool can accept
100 .. 500 µm
Comments:
All alignment marks must be within square [-17,-17]mm,[17,17]mm. General features of masks are further described in the AutoCAD file entitled "basic.dwg" which can be downloaded at
http://www.mal.uic.edu/forms/basic.dwg
Description of the basic.dwg is available at
http://www.mal.ece.uic.edu/manuals/discription_Basic_Layer0.html
Additional mask design guidelines are provided at
http://www.mal.ece.uic.edu/manuals/Mask_Rules.PDF
All resources above can be accessed from MAL main equipment page
http://www.mal.ece.uic.edu/equipment.asp
See
http://www.mems-exchange.org/users/litho-templates
for information about layout requirements.