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Tue, 11 Feb 2020 01:04:06 +0000
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TechNet E-Mail Forum <[log in to unmask]>, "Rivera, Raye" <[log in to unmask]>
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Thank you, Bev. I had not even thought about SIR testing.



Best regards,

RAYE RIVERA

Quality Manager



-----Original Message-----

From: TechNet <[log in to unmask]> On Behalf Of Bev Christian

Sent: Saturday, February 8, 2020 6:10 AM

To: [log in to unmask]

Subject: Re: [TN] Contact lubrication on edge connectors



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

>


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