Specific Process Knowledge/Lithography/Development: Difference between revisions
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===Standard manual beaker development procedure=== | ===Standard manual beaker development procedure=== | ||
[[File:Beaker_development_v1.png|600px|thumb|Standard procedure for manual beaker development in fume hood:<br>1) Submerge exposed substrate into development solution<br>2) When timer ends, move substrate directly into Rinse 1<br>3) After a few seconds, move substrate into Rinse 2<br>4) Remove developed substrate for drying|right]] | [[File:Beaker_development_v1.png|600px|thumb|Standard procedure for manual beaker development in fume hood:<br>1) Submerge exposed substrate into development solution<br>2) When timer ends, move substrate directly into Rinse 1<br>3) After a few seconds, move substrate into Rinse 2*<br>4) Remove developed substrate for drying<br>*It is allowed to omit the Rinse 2 step|right]] | ||
The standard procedure for manual beaker development in a fume hood is as follows: | The standard procedure for manual beaker development in a fume hood is as follows: | ||
#Prepare development process | #Prepare development process | ||
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*Find a timer - make sure it works as you expect it to, before submerging your substrate into the development solution and discovering that the timer is in fact broken | *Find a timer - make sure it works as you expect it to, before submerging your substrate into the development solution and discovering that the timer is in fact broken | ||
*Get some cleanroom wipes and keep them nearby, for wiping any drops spilled during handling | *Get some cleanroom wipes and keep them nearby, for wiping any drops spilled during handling | ||
*<span style="color:red">Do not cover too many of the exhaust holes in the fume hood table, as this will reduce the efficiency of the exhaust, which reduces safety</span> | |||
*<span style="color:red">Do not place your beakers too close to the fume hood sash, as this can make it difficult to efficiently extract the fumes escaping from the beakers, which reduces safety</span> | |||
'''Perform development''' | '''Perform development''' | ||
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#Submerge it immediately into Rinse 1 | #Submerge it immediately into Rinse 1 | ||
#Agitate up/down for at least a few seconds | #Agitate up/down for at least a few seconds | ||
#Move substrate into Rinse 2 | #Move substrate into Rinse 2* | ||
#Agitate slightly | #Agitate slightly | ||
#The developed substrate can now be removed and dried | #The developed substrate can now be removed and dried | ||
<nowiki>*</nowiki>It is allowed to omit the Rinse 2 step | |||
'''Clean up''' | '''Clean up''' | ||