Raye,
Be very, very careful. I checked my old records and 6 of the 8 that Nortel tested FAILED SIR testing.
Regards,
Bev 

-----Original Message-----
From: TechNet <[log in to unmask]> On Behalf Of Eva J
Sent: February 7, 2020 11:09 AM
To: [log in to unmask]
Subject: Re: [TN] Contact lubrication on edge connectors

Your welcome...FBI technicians/ engineers gave me the tip years ago. I use it to restore contacts.

On Fri, Feb 7, 2020, 11:00 AM Rivera, Raye <[log in to unmask]> wrote:

> Joyce and Eva, thank you for the tips. I have already bought the book 
> and it appears to be very comprehensive. I especially liked the 
> reasoning behind "pricy is better."
>
> Victor, try googling Electrical Contacts, Principles and Applications, 
> by Paul G. Slade. That should find it.
>
> Best regards,
> RAYE RIVERA
> Quality Manager
>
>
> -----Original Message-----
> From: TechNet <[log in to unmask]> On Behalf Of 
> [log in to unmask]
> Sent: Friday, February 7, 2020 3:01 AM
> To: [log in to unmask]
> Subject: Re: [TN] Contact lubrication on edge connectors
>
> The provided URL address did not OPEN.....
>
> -----Original Message-----
> From: TechNet <[log in to unmask]> On Behalf Of Yuan-chia Joyce Koo
> Sent: Thursday, February 6, 2020 4:00 PM
> To: [log in to unmask]
> Subject: Re: [TN] Contact lubrication on edge connectors
>
>
> [EXTERNAL EMAIL]
>
> aha, snake oil - check for ZIF (zero insertion force) connector design 
> file that usually comes with recommendation of what kind of lubricant 
> you should use (apply very thin layer - pricy one usually is better - 
> not because it is more effective,  but the MFG chaps care to use as 
> little as "possible").
> https://books.google.ca/booksid=_ghEDwAAQBAJ&pg=PA1254&lpg=PA1254&dq=l
> ubricant+for+zero+insertion+force+connector&source=bl&ots=dn83is-fUl&s
> ig=ACfU3U139c-xjy8uyroH5lhs01En7IZZpg&hl=en&sa=X&ved=2ahUKEwi47vuD9b3n
> AhVDaM0KHQ11CdMQ6AEwAHoECAYQAQ
> jk
> On Feb 6, 2020, at 4:16 PM, Rivera, Raye wrote:
>
> > Hello Technetizens,
> >
> > I'm investigating whether it makes sense to apply a connector 
> > lubricant to gold fingers on DIMM connectors and riser cards.
> > These are all small PCBs that plug into an edge connector with gold- 
> > plated contacts. The hope is to prevent those annoying failures that 
> > are "fixed" by removing and reseating the DIMM or riser card.
> >
> > Does anyone have either experience with or advice on connector 
> > lubricants they would care to share?
> >
> > Best regards,
> > Raye Rivera
>