Specific Process Knowledge/Lithography/Descum: Difference between revisions

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===Plasma asher 2 ===
===Plasma asher 2 ===
[[image:descum_graf.jpg|right|frame|355x355px|Descum results plasma asher 2]]
[[image:descum_graf.jpg|right|frame|355x355px|Descum results plasma asher 2 - experiment 1]]


Descum of AZ  Mir 701 resist on 100mm silicon wafer. Five wafers were placed vertically in chamber.
Descum of AZ  Mir 701 resist on 100mm silicon wafer. Five wafers were placed vertically in chamber.
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{| border="1" cellspacing="1" cellpadding="2"  align="center"
{| border="1" cellspacing="1" cellpadding="2"  align="center"
|- style="background:LightGrey"
|- style="background:LightGrey"
|O2 flow|| N2 flow || Power
| ||O2 flow|| N2 flow || Power
|-  
|-  
| 100 || 100 || 150
|'''experiment 1''' || 100 || 100 || 150
|-
|'''experiment 2''' || 500 || 0 || 200
|-
|-
|}
|}

Revision as of 13:50, 12 December 2019

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Descum results

Plasma asher 1

Descum results plasma asher 1


Descum of AZ5214E resist on 50mm silicon wafer. Wafer was placed horisontally in chamber on a 100 mm carier wafer.

Note: Plasma asher was cold before use

Settings Etched Thickness (nm)
ashing time (min)
Recipe O2 flow N2 flow Power 1 2 5 7 10 10
1 70 70 150 14,2 16,3 47,6 123,2 854,3 862,1
2 500 0 200 8,1 32,9 271,1 495,6 446,2

Conny Hjort & Jesper Hanberg September 2019



Plasma asher 2

Descum results plasma asher 2 - experiment 1

Descum of AZ Mir 701 resist on 100mm silicon wafer. Five wafers were placed vertically in chamber.

Experiment parameters:

O2 flow N2 flow Power
experiment 1 100 100 150
experiment 2 500 0 200


Ashing time (min) 1 2 3 4 6 7 8 9 10 12 14 15 20
Etched Thickness (nm) 8,7 5,1 12,5 6,2 31,8 86,0 25,7 46,8 38,3 49,7 59,4 140,1 360,7
Initial temperature (°C) 28 21 31 21 22 28 25 24 21 24 24 22 22