Electronics Forum: watching (Page 51 of 55)

SMT REWORKING ( BGA )

Electronics Forum | Mon Apr 16 09:01:18 EDT 2007 | Steve

The best station I've ever worked with is a focused IR station from PDR. The station that I had was called a; "Lightmaster Pro". They have a different model name now, but you can see a datasheet for it at: http://www.pdr.co.uk/Datasheets/PDRX410-IR-

QFP Shifting / Solderability Issue

Electronics Forum | Fri Jun 01 22:49:50 EDT 2007 | mika

These ones from ALTERA the QFFP-304 0.5mm weight: 32gr. used to give us a really headache in the past. Not only soldering issue:s but also the placement in x-y-theta! The stencil thickness of ours is 0.13mm and because of ohter compomponent packages,

SMT placement machines. Where are we going ?

Electronics Forum | Fri Jun 12 15:29:51 EDT 2009 | grantp

Hi, We just had delivered one of these and it's incredible. It's an amazing machine, and watching it load such a large board totally accurately, from end to end is amazing. Apparently we took delivery of only the second machine to ship in the world

Tape/Reel Counter

Electronics Forum | Fri Mar 19 14:24:26 EDT 2010 | davef

See, the bean counters are taking over. They've got you out there counting flyshit. Chip parts aren't worth the time it takes to count them, even with a counterometer. Watch out!!! Next thing they'll have you doing is sweeping-up misplaces, figurin

Quad 4C part placement rejection

Electronics Forum | Wed Nov 16 14:44:31 EST 2011 | olddog

Bobpan, thank you for your speedy response. As to the items you noted: 1. I did a test of Funct 30 for the first 5 nozzles, 2 times each as follows: noz1 Ht=215 & 219, center=1005 (all nozzles all tests), run out 2.2 & 2.7. Noz2 Ht=228 &228, runout=

Re: Hey Guys, you gotta check this out!

Electronics Forum | Mon Apr 26 12:16:45 EDT 1999 | Justin Medernach

| Hey Guys! | | Look what I get to try and do this week! I got handed a cardboard box on Friday afternoon with the parts and 20 of these little jewels! That's both sides of the board by the way... | | Whoever laid this out, I'd like to go and do a

Lead free in hirel

Electronics Forum | Mon Jan 25 13:42:35 EST 2010 | patrickbruneel

This is a post from another forum as a response from Bob Landman to a claim that he had no evidence to be concerned about lead-free in hirel applications (interesting read). See below and am sure many technetters will find this interesting **********

Re: Now, to find a source....

Electronics Forum | Mon May 08 20:52:18 EDT 2000 | Dave F

Steve: A couple years ago, I decided that I needed to broaden my education in the areas(s) that I make my livelihood � soldering and assembly. I had attended some excellent (and some not so excellent) tutorials at NECON, but just felt I was missing

Re: Aperture Reduction for QFP (fine pitch)

Electronics Forum | Wed Sep 22 22:23:55 EDT 1999 | SY

| | | | | My stencil thickness is 6 mil and we got qfp's with fine pitch. | | | | | how many percent should i reduce my stencil aperture using a 6 mil stencil for 0.5 mm pitch and 0.4 mm pitch ? | | | | | | | | | | thanks | | | | | | | | | We use 6

Re: Micro-BGA soldering

Electronics Forum | Thu Jul 29 11:34:27 EDT 1999 | Justin Medernach

| | | | | | Presently protos of micro-bgas (80i/o) pitch .030/.031 | | | | | | 12BGA per assembly | | | | | | | | | | | | The board is a (.062, 4 layers) FR-4 using Dry film | | | | | | Pads .014inch | | | | | | Vias within footprint .020inch | | |


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