Electronics Forum: land pattern (Page 21 of 21)

Spray Fluxing

Electronics Forum | Thu Jan 18 04:30:52 EST 2001 | johnwatt

Ok so for me, spray fluxing is the way to go every time....for one you don't need to worry about colapsing your foam with pallet's that are hot or worrying about your pummace, your thinners, SG and so forth...man life in foam fluxer land was hard. N

Re: Help I need DATA on Thermal shock caused by REWORK!

Electronics Forum | Sat Oct 02 03:27:52 EDT 1999 | Brian

I am currently in the middle of a company wide war and I'm looking for data (AMMO). Here are the problems: 1) I am looking for anyone who has done or seen any reports on Thermal Shock to smt parts and/or via holes caused by Soldering Irons at

Re: Aperture Reduction for QFP (fine pitch)

Electronics Forum | Wed Sep 22 21:12:16 EDT 1999 | se

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 mil lasercu

Air Bath Rework System

Electronics Forum | Wed Dec 22 14:21:13 EST 2004 | James Dornan of APE Inc

A little late but if this subject is still of interest the following paper from APE may be of interestwhen considering IR to Air Bath: HOT AIR versus IR and other convection Rework Systems HOT AIR is the most popularly chosen method of rework in th

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: Help I need DATA on Thermal shock caused by REWORK!

Electronics Forum | Sat Oct 02 20:19:19 EDT 1999 | John Dwinell

I am currently in the middle of a company wide war and I'm looking for data (AMMO). Here are the problems: 1) I am looking for anyone who has done or seen any reports on Thermal Shock to smt parts and/or via holes caused by Soldering Ir

Solder Paste Evaluation

Electronics Forum | Wed Jan 11 22:47:31 EST 2006 | davef

We didn't intend to light anyone's fur on fire [get anyone's underwear in a knot, roil the waters, have a cow man] about consultants. The Phil Zarrow wrote a useful paper that could help in evaluating paste. Here read it ... Evaluating Solder Paste

How to choose a new solder paste

Electronics Forum | Thu May 26 08:52:42 EDT 2011 | davef

Phil Zarrow wrote a useful paper that could help in evaluating paste. Here read it ... Evaluating Solder Paste � Not An Option Contributed by Phil Zarrow of ITM an Independent SMT consulting firm With soldering being the dominant source of assembly


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