Electronics Forum: osp coating (Page 2 of 14)

What is the best way to remove OSP coatings.

Electronics Forum | Mon Sep 10 23:13:08 EDT 2007 | weehn

hi, i'm from the semicon (BGA assembly). Could you advice what is the best method / procedure to remove OSP coatings from pads of the BGA substrates. thanks Wee

OSP coatings

Electronics Forum | Thu Sep 08 22:35:27 EDT 2005 | davef

Shikoku Glicoat SMD process is the market share leader for OSP in Japan and the Asian Rim.

Storing OSP PCBs

Electronics Forum | Wed Jun 26 13:56:01 EDT 2019 | SMTA-John

We are considering storing OSP coated PCBs in nitrogen. Will this extend OSP life ? Is the eventual failure of OSP due to oxygen eventually reaching the copper over time ?

Can an Expired OSP PCB more than 1 year be reworked to extend Shelf Life

Electronics Forum | Tue Dec 12 19:57:56 EST 2017 | myke03o

Hi Experts. We have an expired OSP pcb and we wanted to extend the shelp life. Is it possible to rework the PCB by removing the OSP coating, micro etching and re-applying OSP finish. Any advice if this can be done? Any solution for this OSP pcb e

What is the best way to remove OSP coatings.

Electronics Forum | Tue Sep 11 22:52:18 EDT 2007 | davef

Here are some options for removing OSP coatings from pads of the BGA substrates. * Leave the substrates in storage for 13-14 months. Shelf life of OSP coating is ~12 months, depending on the product. * Wash the substrates in your aqueous washer. Ea

radio frequency in OSP surface finishing

Electronics Forum | Tue Aug 31 10:21:46 EDT 2010 | ranco13

Hello all, Can anyone know what influence has on RF/HF components when using PCB with OSP coating? We are now manufacturing our RF components on PCB with ENIG coating ,and want to use OSP instead. By the way:If anyone can send me an article on this s

Can an Expired OSP PCB more than 1 year be reworked to extend Shelf Life

Electronics Forum | Wed Feb 14 15:54:18 EST 2018 | cbart

do you see signs of contamination or oxidation? if not why not just send them to the board house and have another OSP coating layer applied?

OSP and SIR

Electronics Forum | Wed Aug 21 10:26:08 EDT 2002 | stownsend

We are using OSP coated boards and no-clean solder paste. In a few instances, we are seeing increased distortion in an audio circuit. Has anybody seen or heard of surface insulation resistance (SIR) decreasing after reflow on OSP boards? Is it possib

Re: HASL alternatives

Electronics Forum | Thu Oct 26 10:32:14 EDT 2000 | CAL

We currently use a tool that we have developed and sell that can provide real time feed back on OSP coatings. With OSP it is a case by case basis on how many times you can reflow or apply heat before it becomes detrimental. Also, Depending on your pr

Types of OSP Coating

Electronics Forum | Fri Sep 07 09:55:19 EDT 2007 | russ

what type of solder paste are you using? Why the concern over wetting spread to the edge of pads? Are the solderjoints formed correctly at the component? Russ


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