Electronics Forum | Wed Aug 12 22:18:42 EDT 2020 | stephendo
Almost all the people here buy boards with the metal already plated on. We are mostly assembly people. The ones you really want to talk to are PCB fab people. And if you want to look into plating PCBs, I would suggest you look up Black Pad. It hasn'
Electronics Forum | Tue Feb 26 10:55:58 EST 2002 | davef
This could be an electroless nickel / immersion gold specification. While the symmetry of the numbers is pleasing to the eye, but as Joyce Marchand says, "It doesn't blow-up my skirts." Problems with your specification are: * Lower end of the gold
Electronics Forum | Thu Jul 15 18:58:48 EDT 1999 | Earl Moon
| We are currently assemblying several different board type with gold plated lands with varying results. Can any of you that has successful experience in this area give me some pointers. What paste do you use? Do you use the recommended reflow pro
Electronics Forum | Thu Aug 06 13:09:37 EDT 1998 | Ben Salisbury
| 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, not ele
Electronics Forum | Fri Aug 17 01:40:55 EDT 2001 | V.RAMANAND KINI
We are in the watch & clock Business. We have a Watch IC chip that has to be wirebonded using Ultrasonic aluminium wedge bonder. The wire dia is 1.25mil. The PCB is made of G10 Glass epoxy copper clad laminate. The copper thickness is 18 microns. The
Electronics Forum | Mon Feb 21 03:35:38 EST 2005 | abhirami
Thanks Grant and Dave. I have done extensive work on this and found some of the solder balls and solder flux does match my requirements. We have done many tests and have a good responses for both ceramic and plastic substrates. All is fine as long a
Electronics Forum | Wed Mar 10 17:03:52 EST 1999 | Morziana Hasan
NASA CommQuest Photopolymerized Conducting Polymers Directions: 1.Please read the information provided on this technology. You may follow the links to additional information resources below. 2.After evaluating the technology, please answer the
Electronics Forum | Thu Jun 25 09:53:04 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, | You
Electronics Forum | Mon Feb 05 10:21:21 EST 2007 | davef
Thermal conductivity [W/m-�C] * Silver: 418 * Aluminum: 403 * Copper [rolled annealed]: 392 * Copper [electrodeposited]: 392 * Gold: 297 * Nickel: 90.7 * Tin: 73 * SAC: 73 * Castin: 57 * Pb37Sn63: 51 * Lead: 35 * Epoxy, phenolic: 25-75 * Conformal co
Electronics Forum | Wed Apr 18 08:14:20 EDT 2007 | davef
Silver palladium termination * AgPd-terminated capacitors are designed for conductive adhesion. Reflow or wave soldering is not recommended. [EPCOS Multilayer ceramic capacitors, Soldering directions, October 2006] * CONDUCTIVE EPOXY BONDING. Epoxy c
