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

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-----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=lubricant+for+zero+insertion+force+connector&source=bl&ots=dn83is-fUl&sig=ACfU3U139c-xjy8uyroH5lhs01En7IZZpg&hl=en&sa=X&ved=2ahUKEwi47vuD9b3nAhVDaM0KHQ11CdMQ6AEwAHoECAYQAQ
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