Electronics Forum: plating (Page 66 of 252)

Cleaning process

Electronics Forum | Mon May 01 15:04:15 EDT 2000 | Ernie Miller

I need a good cleaning cycle for leaded brass (CuZn39Pb3). Product to be ni/au loose peice plated

Re: 0603 Tombstoning

Electronics Forum | Wed Feb 23 21:38:26 EST 2000 | Dave F

Mike: I'm with you. The only variable is the component. Look for corrosion, uneven plating, or crud on one of the end-caps. Good luck. Dave F

Poor wetting to palladium

Electronics Forum | Mon Jan 29 12:42:24 EST 2001 | davef

Several points about your query are: * TI�s solderability protection specification is a minimum of 3 u" of palladium over 40-60 u" of nickel plate over a http://www.ti.com/sc/docs/products/logic/package/palladm/index.htm

Placement accuracy

Electronics Forum | Tue Feb 06 20:57:44 EST 2001 | Kyle

The Universal GSM is a very accurate and repeatable machine. I have had one for the last 5 years and it is still repeatable to +/- .0015". I use a Robotic Vision Systems glass plate kit to check the repeatability. it has glass slugs and glass boar

Placement accuracy

Electronics Forum | Wed Feb 07 20:57:31 EST 2001 | Kyle

What are you placing on this equipment? If you are placing flip chips, you need to have a glass plate test system to verify your machine is accurate and repeatable. If you purchase new equipment and plan to place flip chips or ultra fine pitch, it

Quad Laurier Die Feeder?

Electronics Forum | Thu Feb 08 08:43:21 EST 2001 | davef

Cal: Thanks for your comments. We all should do our best to sure that others' comments are accurate. It is important to help maintain the integrety of the Forum and for personal devlopment. It would be good if we had fewer threads like: PCB

BGA rework

Electronics Forum | Mon Mar 19 11:32:06 EST 2001 | Steve

Have you done any analysis on the failed rework? There could be any one of several reasons, i.e. bad alignment, wrong reflow profile, bad pad plating, etc. More information will help us help you.

solder on gold finger

Electronics Forum | Fri Apr 13 13:45:25 EDT 2001 | gsmguru

Just a guess-- Could you be seeing the nickel under the gold plating because you are removing some of the Gold with the Kapton Tape ? This should be easy to verify. Otherwise it sounds like things are pretty much covered.

Fuji Help

Electronics Forum | Wed Apr 18 10:08:22 EDT 2001 | csullivan

I have a Fuji GSP-II and was wondering if anyone knew of any good places to get a "universal" tooling plate? Thanks.

COB and wire bond

Electronics Forum | Mon Jun 03 12:51:17 EDT 2002 | V.RAMANAND KINI

We are doing COB operations for nearly ten years. Pls. write to me if you need info on m/c selection, type of PCB, plating etc., Thanks V.RAMANAND KINI...03.06.02

plating searches for Companies, Equipment, Machines, Suppliers & Information