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Specific Process Knowledge/Bonding: Difference between revisions

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*[[/Anodic bonding|Anodic bonding]]
*[[/Anodic bonding|Anodic bonding]]


===Comparing the three bonding methods in the EVG NIL===
==Comparison table for 3 bonding methods in EVG NIL==
{| border="2" cellspacing="0" cellpadding="4" align="center"
!.
![[/Eutectic bonding|Eutectic bonding]]
![[/Fusion bonding|Fusion bonding]]
![[/Anodic bonding|Anodic bonding]]
|- valign="top"
|'''General description'''
|For bonding two substrates by use of an interphase that makes an eutecticum.
|For bonding two identical materials. 
|For bonding Si and Glass.
|-valign="top"
|'''Bonding temperature'''
|Depending on the eutecticum 310°C  to 400°C .
|Depending on defects 50°C  to 400°C .
|Depending on the voltage 300°C to 500°C  Standard is 400°C .
|-valign="top"
|'''Annnealing temperature'''
|No annealing
|1000°C  in the bond furnace C3
|No annealing
|-valign="top"
|'''Materials possible to bond'''
|Bonding of substrates is done by use of the eutectica Au/Si, Au/Sn and Au/Sn/Ni
|Si/Si, SiO<math>_2</math>/SiO<math>_2</math>
|Si/Pyrex (glass)
|-valign="top"
|'''Substrate size'''
|Up to 6" (aligning only possible for 4" and 6")
|Up to 6" (aligning only possible for 4" and 6")
|Up to 6" (aligning only possible for 4" and 6")
|-valign="top"
|'''Cleaning'''
|Cleaning by N2.
|Wet chemical cleaning, [[Specific Process Knowledge/Wafer cleaning/IMEC|IMEC]].
|Cleaning by N2.
|-valign="top"
|'''IR alignment'''
|Double side polished wafers.
|Double side polished wafers.
|Not relevant.


|-  
{| border="2" cellspacing="0" cellpadding="2"
|}
 
!colspan="1" border="none" style="background:silver; color:black;" align="center"|
|style="background:WhiteSmoke; color:black"|<b>[[/Eutectic bonding|Eutectic bonding]]</b>
|style="background:WhiteSmoke; color:black"|<b>[[/Fusion bonding|Fusion bonding]]</b>
|style="background:WhiteSmoke; color:black"|<b>[[/Anodic bonding|Anodic bonding]]</b>
|-
!style="background:silver; width:100px; color:black;" align="center"|General description
|style="background:WhiteSmoke; color:black"|
For bonding two substrates by use of an interphase that makes an eutecticum.
|style="background:WhiteSmoke; color:black"|
For bonding two identical materials.
|style="background:WhiteSmoke; color:black"|
For bonding Si and Glass.
|-
!style="background:silver; color:black" align="center" valign="center"|Bonding temperature
|style="background:WhiteSmoke; color:black"|
Depending on the eutecticum 310°C to 400°C.
|style="background:WhiteSmoke; color:black"|
Depending on defects 50°C to 400°C.
|style="background:WhiteSmoke; color:black"|
Depending on the voltage 300°C to 500°C Standard is 400°C.
|-
 
!style="background:silver; color:black" align="center" valign="center"|Annealing temperature
|style="background:WhiteSmoke; color:black"|
No annealing
|style="background:WhiteSmoke; color:black"|
1000°C in the bond furnace C3.
|style="background:WhiteSmoke; color:black"|
No annealing
|-
 
!style="background:silver; color:black" align="center" valign="center"|Materials possible to bond
|style="background:WhiteSmoke; color:black"|
Bonding of substrates is done by use of the eutectica Au/Si, Au/Sn and Au/Sn/Ni
|style="background:WhiteSmoke; color:black"|
Si/Si, SiO2/SiO2
|style="background:WhiteSmoke; color:black"|
Si/Pyrex (glass)
|-
 
!style="background:silver; color:black" align="center" valign="center"|Substrate size
|style="background:WhiteSmoke; color:black"|
Up to 6" (aligning only possible for 4" and 6")
|style="background:WhiteSmoke; color:black"|
Up to 6" (aligning only possible for 4" and 6")
|style="background:WhiteSmoke; color:black"|
Up to 6" (aligning only possible for 4" and 6") 
|-
 
!style="background:silver; color:black" align="center" valign="center"|Cleaning
|style="background:WhiteSmoke; color:black"|
Cleaning by N2.
|style="background:WhiteSmoke; color:black"|
Wet chemical cleaning, [[Specific Process Knowledge/Wafer cleaning/IMEC|IMEC]].
|style="background:WhiteSmoke; color:black"|
Cleaning by N2. 
|-
 
!style="background:silver; color:black" align="center" valign="center"|IR alignment
|style="background:WhiteSmoke; color:black"|
Double side polished wafers.
|style="background:WhiteSmoke; color:black"|
Double side polished wafers.
|style="background:WhiteSmoke; color:black"|
Not relevant. 
|-
 
<br clear="all" />


== Choose equipment ==
== Choose equipment ==
*[[/EVG NIL|EVG NIL]]
*[[/EVG NIL|EVG NIL]]
*[[Specific Process Knowledge/Thermal Process/C3 Anneal-bond furnace|C3 furnace anneal bond]]
*[[Specific Process Knowledge/Thermal Process/C3 Anneal-bond furnace|C3 furnace anneal bond]]