You can evap directly from the copper hearth or use BN crucible

Shay

-----Original Message-----
From: [email protected] [mailto:[email protected]]
On Behalf Of luhao
Sent: Thursday, September 21, 2006 12:35 AM
To: [email protected]
Subject: [mems-talk] crucible material for evaporating Al

Hi all,

What's the best material of crucible for evaporating Al?  I used graphite
crucible and always end up with broken crucible.