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Legacy Personal Blogs HASL vs. ENIG
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  • Author Author: Former Member
  • Date Created: 9 May 2012 9:03 PM Date Created
  • Views 418 views
  • Likes 0 likes
  • Comments 1 comment
  • hot_air_stations
  • hasl_vs_enig
  • plating:gold
  • gold_plating_vs_hasl
  • compare_hasl_and_enig
  • gold_plating
  • enig_vs_hasl
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HASL vs. ENIG

Former Member
Former Member
9 May 2012

HASL stands for Hot Air Solder Leveling. ENIG stands for Electroless Nickel Immersion Gold. Both HASL and ENIG are two different types of a surface finish used for plating the Printed Circuit Boards(PCB).

HASL is less environment friendly than ENIG. Choosing ENIG over HASL, reduces the use of lead and emission from flux and fusing oil.

HASL has a excellent solder-ability and has a good shelf life.

ENIG has excellent corrosion resistance, it is good for aluminum wire bonding, excellent for fine-pitch technology, excellent solder-ability and excellent shelf life.

 

I have attached the pictures of HASL and ENIG plated boards. Please share your ideas about HASL and ENIG. If you prefer any one of them, please state the reasons.

 

http://blog.bittele.com/?p=10

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  • Former Member
    Former Member over 13 years ago

    I have been using HASL surface finish for years. And I am trying to replace it by ENIG as I am introducing BGAs into my design. Is there any PCB fabricator that uses high quality ENIG surface finish with an affordable price?

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