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FR Surfaces
Comparison
Not every surface is equally suitable for every use.
Surface Comparison
| Surface | Layer / Thickness | Application | Costs | Solderability | Storage |
| Sur Tin | 0,8-1,7 μm SN | soldering | ++ | ++ | approx. 6 months |
| Ormecon chem tin |
0,08μm org. metal 0,8-1,2μm SN |
soldering, (Conductive Adhesives), press fit technology | ++ | ++ | >12 months |
| Chem. Nickel Gold |
3-6μmNiP / 70- 120nm Au |
soldering, AL-wire bonds, Conductive Adhesives | - | ++ | >12 months |
| Galv. Gold | 4-6NiP / 0,4- 2μm Au |
Plugs Sanders |
-- | -- | unlimited |
Comparison Gold Surfaces
| Criteria | chem. Nickel-Gold (ENIG) | chem. Nickel-Thickgold | Hardgold |
| Thickness Gold | 0,075-0,3μ | 0,5-max 1,0μ | 1,0-1,2μ |
| Thickness Nickel | 4-6μ | 4-6μ | 4-6μ |
| Storage | min. 6 months | min. 12 months | min. 12 months |
| Application | Alu wire-Bonding | Alu wire- or Gold-wire-bonding | plugs |
| Property | soft | soft | hard (Kobalt-alloy) |
| costs | medium | medium | high |
| Layouthints | none | none | Gold surfaces must be electrically connected |
Surfaces
Sur Tin - Chemical Tin
The easiest, quickest and cheapest way to protect your pcb is to dip into a Bungard Sur Tin...
Green Coat
Green Coat is a new spray coating for all PCBs that are manually soldered....
SUR-TIN with Bungard Base material
if you use ORIGINAL BUNGARD positive coated PCBs, we have an interesting technical alternative:...
Solder Mask
We offer the typical green surface finish for printed circuit boards in industrial quality. Our...
ORMECON® chemical tin
Ormecon immersion tin is a method for chemical tin plating of copper surfaces. The special on...
Chemical Nickel-Gold
Since early 1990s the alloy surface (nickel / phosphorus & gold) is one of the most versatile...
Galvanic Nickel-Gold
The nickel-gold plating-surface is abrasion-resistant and corrosion free and therefore it is often...
Comparison
Not every surface is equally suitable for every use....
