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Category:PCB Surface Finish

Group Administrators: 1 | Group Member: 25 | Group Threads: 25

PCB Surface Finishes include HASL, OSP, ENIG, Immersion Tin, Immersion Silver, Gold – Hard Gold…Protect copper from oxidation and help assembly.

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Search Results: 25 Threads,3 Pages Post A Thread
1 comments
106 views

The Common Gold Plating Process for PCBs

Let me introduce the differences and characteristics of common gold plating processes for PCBs and connectors to answer your doubts. Gold plating process: In the PCB and connector industry, the plating process associated with us. Mainly divided into two categories: electrolytic plating (hereinafter referred to as electroplating) and electroless plating.(view more)

aaaa
2019/5/23 18:04:08
0 comments
509 views

OSP and HASL

The product I'm running currently consist a mix of 20 mil pitch QFP, 50 mil pitch, 0402, BGA and variable size of connectors from small to big, on OSP finished PCB. Running intrusive reflow with a mix...(view more)

Jeroen
2017/5/13 14:45:13
1 comments
513 views

what thickness for plating Au is suitable?

For the COB process, what thickness for plating Au is suitable? IS there any specification for this issue?(view more)

John Inlow
2017/3/1 2:16:54
4 comments
623 views

mixed lead free and non lead free production

Hi We are in the process of developing a lead free product to be used in a non lead free selective soldering machine, i do have concern in these, and hope you guy can share your experienced expert opi...(view more)

Ricardo Medda
2017/2/28 22:46:50
4 comments
739 views

differences between a "Galvanic Gold" finish and ENIG?

Good Morning! Could one of you PCB Fab Gurus (DaveF)please school me on the differences between a "Galvanic Gold" finish and ENIG? I have a customer requesting Galvanic Gold, and to be honest, after 1...(view more)

Martin Banky
2017/2/28 17:50:12
4 comments
648 views

Changing Ni/Au finish to HASL lead free

The buyers in our company like to change the PCB finishing because of reducing costs. The proposed change is going from Ni/Au to HASL lead free, I know that in the beginning of the lead free period th...(view more)

Balazs Szucs
2017/2/28 17:05:00
3 comments
673 views

Anyone using Entek OM final finish to replace HASL & ENIG?

Anyone using Entek OM final finish to replace HASL & ENIG?(view more)

eric.girard.1975
2017/2/28 14:30:24
3 comments
588 views

the recommended PCB surface finish for SAC alloy BGA

I am planning to attach 1760 pin BGA. The pitch is 1mm and Balls are SAC alloy type. The PCB is for aerospace use and expected to work in harsh environment. What is the recommended PCB surface f...(view more)

alex.b.buy
2017/2/28 14:24:28
4 comments
645 views

Specify Surface finish on a BGA Module

Can anyone help me with a problem I am encountering on specifying the surface finish on a new BGA System in Package module. So far I have been advised to look at a palladium / nickel / gold solution b...(view more)

Blithe
2017/2/28 10:01:41
3 comments
562 views

Any suggestions about PCB finish for RoHS

Hi all, I am wondering what everyone is using as a PCB finish for RoHS. There doesn't seem to be a favorite out there. I know there are many companies using a gold finish but I don't want to pay that ...(view more)

Barbara Seria
2017/2/28 8:45:08

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