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MEMSnet Home: MEMS-Talk: Anodic bonding
Anodic bonding
2008-09-19
Kuijpers, P e m
2008-09-20
matthew king
2008-10-02
Brubaker Chad
2008-10-03
ashwini jambhalikar
2008-10-03
Brubaker Chad
2008-09-24
Daniela Kögler
2008-09-24
Bill Moffat
2008-09-24
Sood, Sumant
2008-11-03
Daniela Kögler
2008-11-06
Brubaker Chad
Anodic bonding
Daniela Kögler
2008-11-03
Dear all,

I have to perform an anodic bond between a Borofloat and a Si Wafer. The
bonding is successful; unfortunately the bow of the package after the
bonding is very high.

I work with a Bonder from the EV Group - AB1 (EVG501).
My parameters are:

Heating 30 min
Bonding 5 min 1000V
Cooling to 150 °C

I tried the temperatures 430 °C and 360 °C.
At 430°C the bow is 225 um, at 360°C the bow is still 200 um.
Can I reduce the bonding temperature with the borofloat wafer to 300°C?

All kinds of suggestions to reduce the bow will be highly appreciated!

Best regards
Daniela
University of Applied Science Esslingen

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