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MEMSnet Home: MEMS-Talk: scratch and dig specs for anodic bonding
scratch and dig specs for anodic bonding
2009-04-28
Robert MacDonald
2009-04-28
Mehmet Aykol
2009-04-30
[email protected]
2009-04-30
Shay Kaplan
scratch and dig specs for anodic bonding
Shay Kaplan
2009-04-30
Rob

Any Pyrex from a good supplier will do. 40/60 is good enough.  The bond
quality in anodic boning lies in the surface preparation and the bonding
process.

The scratch and dig specs are relevant only if your seal width is narrower
than a visible scratch and a dig diameter which is unlikely.

Shay

-----Original Message-----
From: [email protected] [mailto:[email protected]]
On Behalf Of Robert MacDonald
Sent: Tuesday, April 28, 2009 10:29 PM
To: [email protected]
Subject: [mems-talk] scratch and dig specs for anodic bonding

Does anyone have standard specifications for pyrex wafer surface finish to
achieve a good hermetic anodic bond to Si (assuming good conditions).

In particular, I'm looking for a scratch and dig spec, or a surface
roughness specification.

Thanks,

Rob MacDonald
reply
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