Specific Process Knowledge/Bonding: Difference between revisions
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== Choose bonding | '''Feedback to this page''': '''[mailto:labadviser@nanolab.dtu.dk?Subject=Feed%20back%20from%20page%20http://labadviser.nanolab.dtu.dk/index.php/Specific_Process_Knowledge/Bonding click here]''' | ||
'''Unless anything else is stated, everything on this page, text and pictures are made by DTU Nanolab.''' | |||
For bonding samples to a carrier wafer in order to enable '''dry etching''', please go [[Specific_Process_Knowledge/Etch/DryEtchProcessing/Bonding|here]]. | |||
For bonding samples to a carrier wafer for '''UV-lithography''' using automatic coater and developer, please see this process flow: [[media:Process_Flow_ChipOnCarrier.docx|Process_Flow_ChipOnCarrier.docx]], and refer to the [[Specific_Process_Knowledge/Etch/DryEtchProcessing/Bonding#Bonding|bonding procedure]] for dry etching. | |||
== Choose equipment == | |||
*[[/Imprinter 02|Imprinter 02]] | |||
*[[/Wafer Bonder 02|Wafer Bonder 02]] | |||
*[[Specific Process Knowledge/Thermal Process/C3 Anneal-bond furnace|C3 furnace anneal bond]] | |||
== Choose bonding methods in Wafer Bonder 2 == | |||
*[[/Eutectic bonding|Eutectic bonding]] | *[[/Eutectic bonding|Eutectic bonding]] | ||
| Line 5: | Line 18: | ||
*[[/Anodic bonding|Anodic bonding]] | *[[/Anodic bonding|Anodic bonding]] | ||
== | == Comparing the three bonding methods in the wafer bonder 2 == | ||
{| border="2" cellspacing="0" cellpadding="2" | {| border="2" cellspacing="0" cellpadding="2" | ||
|-style="background:silver; color:black" | |||
! | |||
![[/Eutectic bonding|Eutectic bonding]] | |||
![[/Fusion bonding|Fusion bonding]] | |||
![[/Anodic bonding|Anodic bonding]] | |||
|- | |- | ||
| | |-style="background:WhiteSmoke; color:black" | ||
For bonding two substrates by use of an interphase that makes an eutecticum. | !General description | ||
| | |For bonding two substrates by use of an interphase that makes an eutecticum. | ||
For bonding two identical materials. | |For bonding two identical materials. | ||
| | |For bonding Si and Glass. | ||
For bonding Si and Glass. | |||
|- | |- | ||
| | |-style="background:silver; color:black" | ||
Depending on the eutecticum 310°C to 400°C. | !Bonding temperature | ||
| | |Depending on the eutecticum 310°C to 400°C. | ||
Depending on defects 50°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. | ||
Depending on the voltage 300°C to 500°C Standard is 400°C. | |||
|- | |- | ||
|-style="background:WhiteSmoke; color:black" | |||
| | !Annealing temperature | ||
No annealing | |No annealing | ||
| | |1000°C-1100°C in the anneal bond furnace (C3). | ||
1000°C in the bond furnace C3. | |No annealing | ||
| | |||
No annealing | |||
|- | |- | ||
|-style="background:silver; color:black" | |||
| | !Materials possible to bond | ||
Bonding of substrates is done by use of the eutectica Au/Si, Au/Sn and Au/Sn/Ni | |Bonding of substrates is done by use of the eutectica Au/Si, Au/Sn and Au/Sn/Ni | ||
| | |Si/Si, SiO2/SiO2 | ||
Si/Si, SiO2/SiO2 | |Si/Pyrex (glass) | ||
| | |||
Si/Pyrex (glass) | |||
|- | |- | ||
|-style="background:WhiteSmoke; color:black" | |||
| | !Substrate size | ||
Up to | |Up to 4" | ||
| | |Up to 4" | ||
Up to | |Up to 4" | ||
| | |||
Up to | |||
|- | |- | ||
|-style="background:silver; color:black" | |||
| | !Cleaning | ||
Cleaning by N2. | |Cleaning by N2. | ||
| | |Wet chemical cleaning, [[Specific Process Knowledge/Wafer cleaning/IMEC|IMEC]]. | ||
Wet chemical cleaning, [[Specific Process Knowledge/Wafer cleaning/IMEC|IMEC]]. | |Cleaning by N2. | ||
| | |||
Cleaning by N2. | |||
|- | |- | ||
|-style="background:WhiteSmoke; color:black" | |||
| | !Backside alignment | ||
Double side polished wafers. | |Double side polished wafers. | ||
| | |Double side polished wafers. | ||
Double side polished wafers. | |Not relevant. | ||
| | |||
Not relevant. | |||
|- | |- | ||
<br clear="all" /> | <br clear="all" /> | ||
Latest revision as of 08:18, 6 February 2023
Feedback to this page: click here
Unless anything else is stated, everything on this page, text and pictures are made by DTU Nanolab.
For bonding samples to a carrier wafer in order to enable dry etching, please go here.
For bonding samples to a carrier wafer for UV-lithography using automatic coater and developer, please see this process flow: Process_Flow_ChipOnCarrier.docx, and refer to the bonding procedure for dry etching.
Choose equipment
Choose bonding methods in Wafer Bonder 2
Comparing the three bonding methods in the wafer bonder 2
| Eutectic bonding | Fusion bonding | Anodic bonding | |
|---|---|---|---|
| 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. |
| 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. |
| Annealing temperature | No annealing | 1000°C-1100°C in the anneal bond furnace (C3). | No annealing |
| Materials possible to bond | Bonding of substrates is done by use of the eutectica Au/Si, Au/Sn and Au/Sn/Ni | Si/Si, SiO2/SiO2 | Si/Pyrex (glass) |
| Substrate size | Up to 4" | Up to 4" | Up to 4" |
| Cleaning | Cleaning by N2. | Wet chemical cleaning, IMEC. | Cleaning by N2. |
| Backside alignment | Double side polished wafers. | Double side polished wafers. | Not relevant. |