Difference between revisions of "Etching and descalling of printed circuit board"

From Efficiency Finder
Jump to: navigation, search
m (Changed protection level for "Etching and descalling of printed circuit board" (‎[edit=sysop] (indefinite) ‎[move=sysop] (indefinite)))
 
Line 25: Line 25:
 
| align="center" style="background:#2266CC;"|'''Literature'''
 
| align="center" style="background:#2266CC;"|'''Literature'''
 
|-
 
|-
| style="background:#AACCEE;"| PCB etching|| align="center"| 20-45|| align="center"| Copper: 145-170 g/l, halide: 235-265 g/l, content of chloride: 4-4,5 mol/l|||| align="center"| pH: 8-9,5||
+
| style="background:#AACCEE;"| PCB etching|| align="center"| 20-45°C|| align="center"| Copper: 145-170 g/l, halide: 235-265 g/l, content of chloride: 4-4,5 mol/l|||| align="center"| pH: 8-9,5||
 +
|-
 +
| style="background:#AACCEE;"| PCB etching|| align="center"| 50-80°C|| align="center"| || align="center"| || align="center"| water and chemicals || align="center"|Risse, A. (2012). Leiterplattentechnologie. In Fertigungsverfahren der Mechatronik, Feinwerk- und Präzisionsgerätetechnik. Springer Berlin Heidelberg.
 
|}
 
|}
  
  
 
Back to [[Subsection DJ metals|EFFICIENCY FINDER FOR METAL INDUSTRY]]
 
Back to [[Subsection DJ metals|EFFICIENCY FINDER FOR METAL INDUSTRY]]

Latest revision as of 11:58, 1 September 2016

Back to EFFICIENCY FINDER FOR METAL INDUSTRY


  • Circuit board etching

Example flowsheet:


Etching and descalling in printed circiut board.jpg

Literature: Bat for the surface treatment of metals & plastics, 2006



  • Typical parameters of the process
Process Temperature [°C] Residence time Chemicals Details Literature
PCB etching 20-45°C Copper: 145-170 g/l, halide: 235-265 g/l, content of chloride: 4-4,5 mol/l pH: 8-9,5
PCB etching 50-80°C water and chemicals Risse, A. (2012). Leiterplattentechnologie. In Fertigungsverfahren der Mechatronik, Feinwerk- und Präzisionsgerätetechnik. Springer Berlin Heidelberg.


Back to EFFICIENCY FINDER FOR METAL INDUSTRY