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A-TECH hard osp surface finish factory for wholesale

A-TECH hard osp surface finish factory for wholesale

Thickness
1-40um
Shelf Life
12 Months
Solderability
Good
RoHS Compliant
Yes
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
Get Latest Price
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Quantity Needed:
Pieces
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HAL(Lead Free), the full name is Hot Air leveling with Lead Free. Compared with HASL, the main difference for HAL(Lead Free) is the element of material which do not contain Lead(Pb), so it’s RoHS Compliant and it’s much more popular and widely used in PCB manufacturing.

HAL(Lead Free) requires higher run temperatures for lead free solder and longer contact time, the production cost for HAL(Lead Free) is slightly higher than HASL(Tin/Lead).

The manufacturing process of HAL(Lead Free) is similar to HASL(Tin/Lead), the circuit boards will be submersed in molten solder(Lead Free). 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.

The typical thickness of HAL(Lead Free) is 1-40um and the shelf life is 12 months.



The advantages of HAL(Lead Free) surface finish

● Good solderability / wettability
● RoHS Compliant
● Good reflow properties
● Large processing window is allowed
● Multiple thermal excursions
● Can be widely used



The disadvantages of HAL(Lead Free) surface finish

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



A-TECH have HAL(Lead Free) surface finish in house, It’s basically the highest proportion of finish used for circuit boards without fine pitch or high density layout. We don’t have any additional cost for HAL(Lead Free) surface finish.




enig pcb finish also has aesthetic advantages.
osp surface finish stands out in global market with deft design. With anti-theft function such as a zipper or magnetic design, it protects people's belongs
A-TECH osp surface finish is elaborately designed to deliver better user experience. The product features fine breathability, which prevents the things in it from getting too moist or too dry
Professionalism would be enig pcb finish's advantage. The product is stylish and never goes out of fashion, which makes it easily fit people's dressing style
A-TECH CIRCUITS Co., Ltd. considers the development of osp surface finish from the perspective of green design. The product is made of thick materials which can protect the ID cards or bank cards in it from electronic identity thieves
The product has exquisite seamless joints. Its parts are seamed with high precision machines that will not generate ugly splicing trace. The product is able to resist the dust mites, fungal attacks, and other microorganisms
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