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A-TECH highly-rated surface finish osp for business at discount

A-TECH highly-rated surface finish osp for business at discount

Thickness
1-40um
Shelf Life
12 Months
Solderability
Excellent
RoHS Compliant
No
Additional Cost
No
Supply Capacity
20000 ㎡/Month
Certifications
UL, ISO9001, TS16949
Payment Terms
T/T, Paypal, WU etc.
Shipment Terms
EXW, FOB, DDU etc.
Test Way
100% E-Test
Standard
IPC CLASS 2 / CLASS 3
Price
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Quantity Needed:
Pieces
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HASL, the full name is Hot Air Solder Leveling, it’s one of the traditional surface finish on printed circuit boards with long successful history.

To make the HASL finish, the circuit boards will be submersed in molten solder(Tin/Lead). This solder will cover all the exposed copper surfaces. Upon retraction from the solder, high pressure hot air is blown over the surface through air knives, this levels the solder deposit and removes the excess solder from the surface of printed circuit boards.

HASL (Tin/Lead) surface finish is not RoHS Compliant, so it can be only available where RoHS exemption is permitted. The typical thickness of HASL is 1-40um, and the shelf life can reach to 12 months.



The advantages of HASL surface finish

● Excellent solderability / wettability
● Good reflow properties
● Low cost in manufacturing
● Large processing window is allowed
● Multiple thermal excursions
● Can be widely used



The disadvantages of HASL surface finish

● Uneven surface
● Not suitable for PCBs with fine pitch
● Thermal shock
● Not RoHS Compliant
● Solder bridge
● Plugged or Reduced plated through holes



A-TECH have HASL surface finish in house, it’s mainly used to build single sided or double sided PCBs with high solderability requirements but low manufacturing cost and without RoHS Compliant requirement.




A-TECH enig pcb finish is available with diversified style preferences. The design can be varied based on customers' needs
In terms of design, surface finish osp extracts the essence of simplicity. Its packaging can be customized per customers' specifications
A-TECH surface finish osp is an innovation-oriented product with improvement on production process. The brand logo can be printed on this product
A-TECH surface finish osp is made from raw materials with good properties and strong durability. This product offers considerable results after only a few days
A-TECH enig pcb finish is manufactured by the sophisticated equipment and the skillful workers. With its strong performance, this product doubles down on stain prevention
surface finish osp makes full use of surface finish osp materials, thus has features of surface finish osp. This product is effective in eliminating extrinsic staining
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