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HEIDELBERG mPG 501, User Manual

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HEIDELBERG mPG 501 User Manual Download Page 8

 

µPG 501

 

 
 

 

 

4 

User Guide

 

12 -   Ventilation slits (positions vary) 

13 -   Lithography unit power connector and On/Off switch 

14 -   Heat exchanger of LED water cooling circuit 

15 -   Compressed air connector (quick connector) 

16 -   USB connector for DMD data 

17 -   Network connector for LAN 

18 -   Compressed air regulation stage 

19 -   Compressed air regulation autofocus 

20 -   Ejector pressure regulator 

Figure 2: µPG501 lithography unit back side 

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Summary of Contents for mPG 501

Page 1: ...User Guide PG 501...

Page 2: ...PG 501 ii User Guide Doc No DWL HI 049 Revision 5 Feb 2014 Copyright 2014 by Heidelberg Instruments...

Page 3: ...System Startup and Shutdown 5 Startup 5 Shutdown 5 Restart 5 Design Data 6 Exposures 7 Choice of Substrate 7 Exposure Procedure 8 Substrate Processing 26 Exposure Optimization 28 Tools Menu 30 Initial...

Page 4: ......

Page 5: ...Only Heidelberg Instruments service engineers or trained personnel should perform any tasks that include the removal of such a cover while the system is energized CAUTION The PG 501 utilizes a high po...

Page 6: ...r for Industry Trade 1 18 2 Hakusan Midori ku Yokohama 226 0006 Japan Phone 81 45 938 5250 Fax 81 45 938 5251 Taiwan USA Heidelberg Instruments Service Taiwan 5F No 174 Chung Yang Road Hsinchu City Ta...

Page 7: ...1 Cover lid with interlock circuit 2 System base 3 Stage 4 Vacuum field adjustment screws 5 Vacuum switch 6 Write head 7 Vacuum and compressed air supply lines 8 Optics cover 9 Power on off indicator...

Page 8: ...t exchanger of LED water cooling circuit 15 Compressed air connector quick connector 16 USB connector for DMD data 17 Network connector for LAN 18 Compressed air regulation stage 19 Compressed air reg...

Page 9: ...unning otherwise the wizard may crash and has to be restarted 6 Once the startup sequence of the wizard is finished run a stage initialization Tools Initialize Stage SHUTDOWN 1 Close the wizard File E...

Page 10: ...orm easy to use language for direct definition of binary 2D structures in a text file Good for fast definition of simple test structures without use of a special design program o BMP STL ASCII XYZ The...

Page 11: ...on thin resists 5000 o S18XX A standard Shipley resist S1805 is a resist of this family that is well tested on Heidelberg Instruments lithography systems It can be spin coated to 0 5 m thickness o AZ1...

Page 12: ...an exposure with alignment to existing structures and the optional target mode exposure that allows to directly expose structures defined in the camera image STEPS OF A STANDARD EXPOSURE A Exposure Se...

Page 13: ...d designs must not be renamed Check the design parameters listed in the window to make sure the design was converted with the correct parameters B Substrate Loading 1 Make sure the cover lid 1 is clos...

Page 14: ...PG 501 10 User Guide Alignment Pins Vacuum Setting plate wafer Figure 5 Alignment pins placement and vacuum region selection according to substrate size small plate 2 2 5 3 4 5...

Page 15: ...se a different substrate 6 Remove all alignment pins Close the cover lid 1 and make sure the interlock lamp 10 is off NOTICE If the alignment pins are left on the stage during exposure of a thin subst...

Page 16: ...d for defocus setting are arbitrary numbers and range from 10 10 The full range corresponds roughly to the focal depth of the exposure lens 10 m For both exposure time and defoc us the Exposure Wizard...

Page 17: ...ed by people passing by or by heavy loads being moved on the floor close to the system 6 To interrupt an exposure click on Cancel and confirm D Unloading 1 After exposure is finished if no further des...

Page 18: ...image template of the alignment mark is defined and the design coordinates are assigned to the position where this template is found This is useful if either a substrate has several identical marks or...

Page 19: ...dow while the exposure wizard is running Doing so will cause the wizard to crash Once the startup sequence is finished and no error has occurred the wizard automatically moves on to the next panel If...

Page 20: ...r exposure note that the coordinate system of the stage is oriented such that the x axis corresponds to a backward forward movement while the y axis corresponds to a left right movement when standing...

Page 21: ...ure 3 Select the number of Alignment Points that should be used 1 4 Click Continue 4 The Control Panel opens below the Alignment panel and shows the XY Stage register card 5 Use the controls on the XY...

Page 22: ...nd resize the box so the cross fits into it Click Continue 8 Template Matching only A check is done if the template can be detected If not the wizard gives a warning and does not go on to the next ste...

Page 23: ...t differ from this number 15 Click Go To Exposure to proceed to the next panel or Restart Alignment to reset the measured values to zero Note The offset value is used until a new design is loaded or t...

Page 24: ...ed and no white light is switched on in the room In addition to get best results avoid vibrations caused by people passing by or by heavy loads being moved on the floor close to the system 4 To interr...

Page 25: ...urred the wizard automatically moves on to the next panel If it is necessary to view the messages created during startup the first screen can be reached anytime by clicking the Back button s If an err...

Page 26: ...ews 4 see right part of Figure 5 and Figure 7 Switch on the vacuum with the vacuum switch 5 Check whether the plate is really held tight by trying to move it slightly sideways If plate is not held swi...

Page 27: ...just the jog speed with the slider the step increment in the text boxes Move into a certain direction by clicking on the direction arrows arranged as a cross If position in the current coordinate syst...

Page 28: ...d For a resist with spectral sensitivity of 70 mJ cm2 and 5 m thickness an LED power of 100 in conjunction with an exposure time of 16 ms is needed to expose the resist Defoc The best focus position f...

Page 29: ...vacuum with the vacuum switch 5 and carefully lift the substrate off the chuck Store it in a light proof transport box 4 Process the substrate as soon as possible according to the substrate type and m...

Page 30: ...ong developer makes the developing time very critical leading to plate to plate structure size variations On the other hand too low energy or too diluted developer can lead to angled and irregular res...

Page 31: ...nary 2D gray value 3D Resist S1805 or AZ1550 positive AZ4562 or AZ9260 negative UV option only SU 8 Developer AZ351B MF351B in 1 4 dilution 1 part developer 4 parts DI water alternatively MF319 undilu...

Page 32: ...select the design that should be used for the parameter test If necessary re convert it according to the instructions given above and in the Conversion Software Manual 2 Open the Control Panel Tools...

Page 33: ...warning is issued but exposure can nevertheless be started The fields will be arranged symmetrically around the current position 6 Click on Start Exposure Series During exposure the Field Number text...

Page 34: ...Series register card see the section above on exposure optimization Note Any stage movement can be interrupted at any time with the Stop button Free movement Movement according to sight is done via th...

Page 35: ...ace Never focus on or close to the edge of a substrate Never focus beside a substrate Manual focusing could be helpful if focus values differ a lot across a plate to make sure the focus values range a...

Page 36: ...ossible causes stored in the wrong directory wrong name chosen Remedies make sure the design is stored in C HIMT designs and the name of the LIC target directory complies with the file name rules of L...

Page 37: ...developer check if light can be seen in the monitor during exposure Problem Plate is completely exposed Possible causes stray light old materials Remedies check for possible stray light sources and e...

Page 38: ...a problem with the PG 501 to get further troubleshooting advice please include the following Information on settings of compressed air regulators Any error numbers and error descriptions provided by t...

Page 39: ...rom any dust particles due to the air pressure of the bearings If the air bearing base was accidentally contaminated with oil or fat e g due to touching with bare hands it has to be cleaned to prevent...

Page 40: ...PG 501 36 User Guide Notes...

Page 41: ...PG 501 User Guide 37 Notes...

Page 42: ...PG 501 38 User Guide Notes...

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