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* CleWin
* CleWin
* KLayout (free)
* KLayout (free) link: https://www.klayout.de/
* L-Edit
* L-Edit
* Autocad
* Autocad


At Nanolab we offer all users '''free access to CleWin 6''' for their mask layout. You can find more information on how to Install [[Specific Process Knowledge/Pattern Design/CleWin|CleWin 6]] on your local computer [[Specific Process Knowledge/Pattern Design/CleWin|'''here''']].
At Nanolab we offer all users '''free access to CleWin 6''' for their mask layout. You can find more information on how to install CleWin 6 on your local computer [[Specific Process Knowledge/Pattern Design/CleWin|'''here''']].
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The following alignment marks are suggested to use on the Mask aligners for good pattern recognition. Pleased be adviced that they can be removed in KOH etching.
The following alignment marks are suggested to use on the Mask aligners for good pattern recognition. Pleased be adviced that they can be removed in KOH etching.
*Mask aligner:
*Mask aligner:
**[[Media:Alignmentkeys1.cif|Alignment marks 1 .cif]] (Right click and Use "save link as...") - ''You need the program "Clewin" to open this file''
**[[Media:Alignmentkeys1.cif|Alignment marks 1 (.cif)]] (Right click and Use "save link as...") - ''You need the program "Clewin" to open this file''
**[[Media:Alignmentkeys1.tdb|Alignment marks 1 .tdb]] - ''You need the program "L-Edit" to open this file''
**[[Media:Alignmentkeys1.tdb|Alignment marks 1 (.tdb)]] - ''You need the program "L-Edit" to open this file''
*Maskless aligner:
*Maskless aligner:
**[[Media:MLA AlignmentMarks simple.gds|Simple alignment marks (.gds)]]
**[[Media:MLA AlignmentMarks simple.gds|Simple alignment marks (.gds)]]
**[[Media:MLA alignmentMarks arrows.gds|Alignment marks with structures to assist in locating the marks during alignment (.gds)]]
**[[Media:MLA_alignmentMarks_arrows.cif|Alignment marks with structures to assist in locating the marks during alignment (.cif)]]
**[[Media:AlignmentMark KOH.gds|Alignment mark for multiple layers, Layer 1 for etch in KOH (.gds)]]
**[[Media:AlignmentMark_KOH.cif|Alignment mark for multiple layers, Layer 1 for etch in KOH (.cif)]]
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===Alignment marks location===
===Alignment marks location===
For the mask aligners [[Specific_Process_Knowledge/Lithography/UVExposure#Aligner:_MA6-1|MA6-1]] and [[Specific_Process_Knowledge/Lithography/UVExposure#Aligner:_MA6-2|MA6-2]]  
For the mask aligners [[Specific_Process_Knowledge/Lithography/UVExposure#Aligner:_MA6-1|MA6-1]] and [[Specific_Process_Knowledge/Lithography/UVExposure#Aligner:_MA6-2|MA6-2]]  
*The mask's alignment marks for 4inch process:
**For Back Side Alignment (BSA) alignment marks must be located  between -1,0 and +1,0 mm in vertical location from mask center (y=0-+1mm) and  exactly at 45mm in left and right in horizontal location (x=+-45mm).
**For Top Side Alignment (TSA) alignment marks must be located 35-45 mm in left and right in horizontal location and between -2 and +2 mm in vertical location.


*The mask's alignment marks for 6inch process:
*For Top Side Alignment (TSA) alignment marks should be located 35-80 mm in left and right in horizontal location (X) from mask center and between -20 and +20 mm in vertical location (Y)
**Both BSA and TSA must be located between -2,5 and +2,5 mm in vertical location from mask center and 60 mm in left and right in horizontal location.
*For Back Side Alignment (BSA) alignment marks should be located 15-45 mm in left and right in horizontal location (X) from mask center and between -20 and +20 mm in vertical location (Y)
**Please notice that if you plan to use the automatic alignment option the alignment marks must be displaced from y=0 to y=+/- 1,6mm.
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=== Alignment marks for E-beam lithography ===
=== Alignment marks for E-beam lithography ===
If your UV mask is used to define wafers marks in e-beam lithography with JEOL JBX-9500, you should design your alignment marks in a way the JEOL JBX-9500 recognizes. Please follow the guide [http://labadviser.danchip.dtu.dk/index.php/Specific_Process_Knowledge/Lithography/EBeamLithography/JEOL_JBX-9500FSZ#Design_of_global_marks_and_chip_marks here].
If your UV mask is used to define wafers marks in e-beam lithography with JEOL JBX-9500, you should design your alignment marks in a way the JEOL JBX-9500 recognizes. Please follow the guide [[Specific_Process_Knowledge/Lithography/EBeamLithography/JEOLAlignment|to e-beam alignment here]]
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=== Helpful information for chip layout ===
=== Helpful information for chip layout ===
*[[Media:Gamma coater & developer chucks + hotplate pins.gds|Gamma coater & developer chucks + hotplate pins.gds]] Design file showing the size of the chucks and the position of the hotplate pins in the Gamma tools.
*[[Media:Gamma coater & developer chucks + hotplate pins.gds|Gamma coater & developer chucks + hotplate pins.gds]] Design file showing the size of the chucks and the position of the hotplate pins in the Gamma tools.
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== Mask Ordering and Fabrication ==
== Mask Ordering and Fabrication ==
Our standard mask supplier is [https://www.macdermidalpha.com/semiconductor-solutions/compugraphics Compugraphics]. They can provide 5" and 7" masks on soda lime glass or quartz. Minimum feature size can be 0.8µm, 1µm or 1.5µm which is reflected in the price. Read a short guide on[[Media:Mask Ordering Guide.pdf| how to order photomasks from Compugraphics]] here. Templates for the mask specifications for 5" and 7" masks respectively can be seen [[mask_spec| here.]]  
Our standard mask supplier is [https://www.macdermidalpha.com/semiconductor-solutions/compugraphics Compugraphics]. They can provide 5" and 7" masks on soda lime glass or quartz. Minimum feature size can be 0.8µm, 1µm or 1.5µm which is reflected in the price. Read a short guide on[[Media:Mask Ordering Guide.pdf| how to order photomasks from Compugraphics]] here. Templates for the mask specifications for 5" and 7" masks respectively can be seen [[/Mask Specifications| <b>here</b>.]]  


The masks have to be ordered in Procure. Nanolab cannot order the mask for you but we do offer a final check of the design and mask specifications before you place the order. You can find a guide on [[Media:Maskordering in Fusion.pdf| how to order and attach design files in procure]] here.
The masks have to be ordered in Procure. Nanolab cannot order the mask for you but we do offer a final check of the design and mask specifications before you place the order. You can find a guide on [[Media:Maskordering in Fusion.pdf| how to order and attach design files in procure]] here.
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Give each layer appropriate GDS number respectively CIF names before exporting the file. This is done by double click on the layers and fill out the window that pops up.   
Give each layer appropriate GDS number respectively CIF names before exporting the file. This is done by double click on the layers and fill out the window that pops up.   


We can also provide guidance regarding the mask design phase. Please contact the mask team for help and review, E-mail address can be found in [[LabAdviser#Contact_Information_for_the_DTU_Nanolab_(Cleanroom)|Contact Information for the DTU Nanolab]].
We can also provide guidance regarding the mask design phase. Please contact the [mailto:nanolabsupport@nanolab.dtu.dk | Fabrication Support Team] for help and review.


*[[Media:Maskordering in Fusion.pdf| How to order and attach design files in DTU Fusion]]
*[[Media:Maskordering in Fusion.pdf| How to order and attach design files in DTU Fusion]]
*[[mask_spec| Templates for 5" and 7" mask specifications]]
*[[/Mask Specifications| Templates for 5" and 7" Mask Specifications]]
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