Specific Process Knowledge/Etch/Wet Aluminium Etch: Difference between revisions
| Line 6: | Line 6: | ||
# H<math>_2</math>O:H<math>_3</math>PO<math>_4</math> 1:2 at 50 <sup>o</sup>C | # H<math>_2</math>O:H<math>_3</math>PO<math>_4</math> 1:2 at 50 <sup>o</sup>C | ||
# Pre-mixed etch solution: PES 77-19-04 at 20 <sup>o</sup>C | # Pre-mixed etch solution: PES 77-19-04 at 20 <sup>o</sup>C | ||
Both solutions are used in the Aluminium etch bath shown to the right. I must be written on which one is in. | |||
<br clear="all" /> | <br clear="all" /> | ||