TECHNET Archives

February 1998

TechNet@IPC.ORG
Options: Use Monospaced Font
Show Text Part by Default
Show All Mail Headers

Message: [<< First] [< Prev] [Next >] [Last >>]
Topic: [<< First] [< Prev] [Next >] [Last >>]
Author: [<< First] [< Prev] [Next >] [Last >>]

Print Reply
Subject:
Re: Information on Silver Terminals
From:
"Phillip J. Dudley" <[log in to unmask]>
Reply To:
[log in to unmask]
Date:
Tue, 10 Feb 1998 08:05:28 -0800
Content-Type:
text/plain
Parts/Attachments:
text/plain (44 lines) 
Tony Bugeja wrote:
>
> -- [ From: Tony Bugeja * EMC.Ver #2.5.02 ] --
>
> Does anyone have information on soldering silver terminals. We currently use
> RMA 615-25 flux an we are getting tarnishing/oxidation when hand or wave
> soldered.  I looks like the silver is being vaporized off and the brass
> below is showing through, the plating thickness is .0003".  Is this a
> process problem or is it a vendor problem?
> --
> Tony Bugeja, P.Eng.         E-Mail: [log in to unmask]
> Process Engineer            Phone:  (204) 631-7241
> C-Mac Electronics           Fax:    (204) 631-7294
> 1455 Mountain Ave
> Wpg., Mb. R2X 2Y9
>
> ################################################################
> TechNet E-Mail Forum provided as a free service by IPC using LISTSERV 1.8c
> ################################################################
> To subscribe/unsubscribe, send a message to [log in to unmask] with following text in the body:
> To subscribe:   SUBSCRIBE TechNet <your full name>
> To unsubscribe:   SIGNOFF TechNet
> ################################################################
> Please visit IPC web site (http://jefry.ipc.org/forum.htm) for additional information.
> For the technical support contact Dmitriy Sklyar at [log in to unmask] or 847-509-9700 ext.311
> ################################################################
For plated solder coatings on brass it is necessary to provide an
underplate such as copper to prevent zinc from "poisoning" the solder
and destroying solderability - the same is probably true for silver.

Phil Dudley

################################################################
TechNet E-Mail Forum provided as a free service by IPC using LISTSERV 1.8c
################################################################
To subscribe/unsubscribe, send a message to [log in to unmask] with following text in the body:
To subscribe:   SUBSCRIBE TechNet <your full name>
To unsubscribe:   SIGNOFF TechNet 
################################################################
Please visit IPC web site (http://jefry.ipc.org/forum.htm) for additional information.
For the technical support contact Dmitriy Sklyar at [log in to unmask] or 847-509-9700 ext.311
################################################################

ATOM RSS1 RSS2