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Specific Process Knowledge/Etch/Etching of Gold: Difference between revisions

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New page: ==Etching of Aluminium== Etching of aluminium is done wet at Danchip. We have two different solutions: # H<math>_2</math>O:H<math>_3</math>PO<math>_4</math> 1:2 at 50 <sup>o</sup>C # Pre...
 
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Bureaucrats, danchip, Administrators
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==Etching of Aluminium==
==Etching of Gold==
Etching of aluminium is done wet at Danchip. We have two different solutions:
Etching of Gold is done wet at Danchip. We have two different solutions:


# H<math>_2</math>O:H<math>_3</math>PO<math>_4</math>  1:2 at 50 <sup>o</sup>C
# KI:I<math>_2</math>:H<math>_2</math>O<math>  400g:100g:400ml?
# Pre-mixed etch solution: PES 77-19-04 at 20 <sup>o</sup>C
# HNO<math>_3</math>:HCl 1:3




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{| border="1" cellspacing="0" cellpadding="4" align="left"
{| border="1" cellspacing="0" cellpadding="4" align="left"
!  
!  
! Aluminium Etch 1
! Iodine based gold etch
! Aluminium Etch 2
! Aqua Regia (Kongevand)
|-  
|-  
|General description
|General description
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