WebApr 7, 2024 · A HASL surface finish offers high-quality solderability and accommodates multiple thermal cycles while also being one of the more affordable options. It once served as the industry standard, although standards under the Restriction of Hazardous Substances (RoHS) have caused HASL to fall out of compliance. http://ddmconsulting.com/Design_Guides/hasl_alt.pdf
PCB Surface Plating Materials and Their Advantages
WebAs mentioned above, the choice of surface finish depends on numerous factors. Each with its own pros and cons. The next section will discuss and differentiate the common surface finishes used in the industry. 210.0 82.5 26.0 61.0 26.2 15.5 ENIG OSP ImAg ImSn HASL Others Surface Finish Market by sold chemistry (m USD) WebFinish Type #1 – Hot Air Solder Leveling (HASL) “Hot Air Solder Leveling” is the least expensive type of PCB surface finish. It is widely available and very economical. The … henness pass road history
Hot Air Solder Leveling (HASL) For Printed Circuit Boards - Sunstone Cir…
WebLeaded HASL Surface Finish: It is a conventional type of surface finish with solder that contains lead with a proportion of 37% and 63% Tin in its formulation. Lead-Free HASL … Web6 SURFACE FINISHES HASL / Lead Free HASL: Two Different Metals – Same Finish – HASL (Standard): Typically Tin-Lead – HASL (Lead Free): Typically Tin-Copper, Tin-Copper-Nickel, or Tin-Copper-Nickel Germanium. Typical thickness: 70 micro inch – 200 micro inch, however IPC spec calls for only complete coverage of copper pads. WebMar 10, 2024 · The following briefly analyzes the common types of PCB surface treatment for reference! 1. Hot air solder leveling (Known as HASL) It is a process of coating molten tin-lead solder on the surface of the PCB and flattening (blowing) it with heated compressed air to form a coating layer that not only resists copper oxidation but also provides ... henness road casa grande az