Category:PCB Surface Finish

Group Administrators: 0 | Group Member: 26 | Group Threads: 24

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

Post A Thread
Search Results: 24 Threads,3 Pages
0 answers
71 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... (See More)

Jeroen
2017-05-13 14:45:13
1 answers
115 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? (See More)

John Inlow
2017-03-01 02:16:54
Ahmad Faraz Khan
2017-03-03 02:16:54
4 answers
205 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... (See More)

Ricardo Medda
2017-02-28 22:46:50
nagysusu
2017-03-02 22:46:50
4 answers
211 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... (See More)

Martin Banky
2017-02-28 17:50:12
Guy Ovadia
2017-03-02 17:50:12
4 answers
239 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... (See More)

Balazs Szucs
2017-02-28 17:05:00
Factor
2017-03-02 17:05:00
3 answers
218 views

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

Anyone using Entek OM final finish to replace HASL & ENIG? (See More)

eric.girard.1975
2017-02-28 14:30:24
Piet Friskus
2017-03-02 14:30:24
3 answers
193 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... (See More)

alex.b.buy
2017-02-28 14:24:28
lukepdunwell
2017-03-02 14:24:28
4 answers
267 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... (See More)

Blithe
2017-02-28 10:01:41
Adair
2017-03-02 10:01:41
3 answers
129 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 ... (See More)

Barbara Seria
2017-02-28 08:45:08
Mohamed Ramadan
2017-03-02 08:45:08
5 answers
149 views

alterantive plating finishing ?

We have a product, with various PWBs, with over 600 parts each one (We are a low Volume/high mix company with an average component placement per PCB between 250 to 300 parts). This PWBs have 7 to 10, ... (See More)

camillo123
2017-02-28 05:59:43
William Reeve
2017-03-02 05:59:43
Post A Thread
Search Results: 24 Threads,3 Pages