Full Site - : gold embrittlement (Page 10 of 11)

Re: Storage life of Gold Finish Boards

Electronics Forum | Fri Jan 15 14:45:48 EST 1999 | Earl Moon

| | | Folk's, | | | | | | I'm looking for information of how long you cna store a gold finish PCB before building it. I know there are problems with the gold disappearing into the underlying nickle over time / temperature etc but exactly how long do

Substrate Au/Ni thickness

Electronics Forum | Thu Feb 15 19:41:38 EST 2001 | davef

What do you mean by "But after performing temperature cycle test, the former aging rate (from the shear strength ) seems faster than the latter."? Comments are: I can't recall having heard the term "precipitation hardness" [not that that means anyt

Re: BGA and Gold Boards

Electronics Forum | Fri Jun 19 13:40:25 EDT 1998 | Terry Burnette

| Has anyone had experience with placing BGA on gold plated boards. I thought I read a while ago there was a problem with embrittlment causing cracked joints. If anyone has experience with this your feedback would be great. | Mike There has been a

Re: Gold boards OK with SMT? What About Gold Thickness?

Electronics Forum | Tue Aug 11 07:51:57 EDT 1998 | Earl Moon

| | | | Is there any problem using SMT on gold boards? 15 years ago we were told not to use gold boards, but I can't remember why. Judging by the other postings it now appears to be common. Only problem I see is that the nickel should be plated, n

Re: BGA and Gold Boards

Electronics Forum | Fri Jun 19 10:03:46 EDT 1998 | Earl Moon

| Has anyone had experience with placing BGA on gold plated boards. I thought I read a while ago there was a problem with embrittlment causing cracked joints. If anyone has experience with this your feedback would be great. | Mike Mike, We and ind

Re: Storage life of Gold Finish Boards

Electronics Forum | Mon Jan 18 10:01:16 EST 1999 | John W

| | | | Folk's, | | | | | | | | I'm looking for information of how long you cna store a gold finish PCB before building it. I know there are problems with the gold disappearing into the underlying nickle over time / temperature etc but exactly how l

Re: Storage life of Gold Finish Boards

Electronics Forum | Tue Jan 19 11:12:41 EST 1999 | Dave F

| | | | | Folk's, | | | | | | | | | | I'm looking for information of how long you cna store a gold finish PCB before building it. I know there are problems with the gold disappearing into the underlying nickle over time / temperature etc but exactly

Re: Gold boards OK with SMT? What About Gold Thickness? - Clarification

Electronics Forum | Wed Aug 12 07:22:52 EDT 1998 | Earl Moon

| | | | | Is there any problem using SMT on gold boards? 15 years ago we were told not to use gold boards, but I can't remember why. Judging by the other postings it now appears to be common. Only problem I see is that the nickel should be plated,

Re: Time to use alternative finishing ???

Electronics Forum | Mon Sep 13 06:23:06 EDT 1999 | Earl Moon

| | We have a product, with various PWBs, with over 600 parts each one (We are a low Volume/high mix company with an average component placement per PCB between 250 to 300 parts). This PWBs have 7 to 10, 20 mils pitch parts. We are having problems wi


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