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2016 - 09 - 25
Application Industry: communicationApplication Product: Digital Fiber-Optic CommunicationLayers:8Finish : ENIGMaterial: FR4Outer Track W/S: 4/4milInner Track W/S: 3.5/3.5milBoard Thickness: 1.6mmMin. ...
2016 - 09 - 25
Application Industry: Industrial ControlApplication Products: Function BoardLayer: 16Surface Finish: ENIGMaterial: High TG FR4Outer Track W/S: 4/4milInner Track W/S: 3.5/3.5milBoard Thickness: 2.43mmM...
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Service FAQ's
OSP (Organic Solderability Preservative)
Date: 2016-11-12
Views: 192

What's OSP ?

OSP (Organic Solderability Preservative) is the most popular final surface finishing for PWBs.
OSP film has excellent humidity resistance to protect copper oxidation. For example, F2 series protect copper surface up to twelve month.

 

OSP (Organic Solderability Preservative)

Copper surface (Before OSP)

OSP (Organic Solderability Preservative)

Cross section of OSP film (FIB) (After OSP)

Why OSP ?

  • OSP has a lot of features.

  • OSP process is lower cost than HASL and the other metal finishes.

  • OSP process is good environmental. (VOC free etc.)

  • OSP film is available for lead free solder application.

  • Good solder joint strength compare with Ni/Au plating.

 

Mechanism of OSP film formation ?

 

OSP (Organic Solderability Preservative)

 

OSP products line up ?

We can develop the active ingredient imidazole by our selves and we can supply the suitable OSP for each assembly process.

 

 GlicoatGlicoat-SMD
E seriesF2 series
TE3EXF2F2(LX)F2(LX)PK
Process condition30°C40°C30°C40°C40°C40°C
15sec30sec30sec60-90sec60-90sec60-90sec
Active ingredientAlkyl imidazoleAlkyl benzimidazoleNew imidazole
Heat resistanceOSP (Organic Solderability Preservative)OSP (Organic Solderability Preservative)OSP (Organic Solderability Preservative)OSP (Organic Solderability Preservative)OSP (Organic Solderability Preservative)OSP (Organic Solderability Preservative)
Selective goldOSP (Organic Solderability Preservative)OSP (Organic Solderability Preservative)OSP (Organic Solderability Preservative)OSP (Organic Solderability Preservative)OSP (Organic Solderability Preservative)OSP (Organic Solderability Preservative)

 

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