Electronics Forum: 229 (Page 1 of 3)

Lead-free solder

Electronics Forum | Wed Apr 14 12:27:49 EDT 2004 | pjc

try Indium Corp's SMQ230. http://ncsmq230.indium.net/ Peak "on board" temps of 229C with good wetting have been obtained.

MPM screen printer

Electronics Forum | Mon Sep 19 10:09:59 EDT 2005 | Rob

Didn't you hear? we're revoking your independence. We left you to your own devices for 229 years & what do you do? you shoot John Lennon, ruin our language & send us McDonalds. Thanks!

Fighting solder beads

Electronics Forum | Tue Mar 21 02:15:26 EST 2006 | pavel_murtishev

Good morning Dave, Here are some of my assumptions. Please correct me if I am wrong. 1. Mask opening. Due to mask to PCB misregistration mask is not always centered relative to pad center how is should be. Sometimes edge of the mask matches with ed

Flux appearance

Electronics Forum | Fri Mar 17 07:42:51 EST 2006 | vicknesh28

Copper is the base material for the lead. It's tin/lead plated. I finally got profile. Here are the parameters" Peak : 219 Max (+) Slope : 2.29 Max (-) Slope : -1.94 Time above 200 deg. C : 50s Time 140C - 160C : 126s Additional info : Stencil thic

Assembleon Topaz X

Electronics Forum | Sat Oct 06 15:00:42 EDT 2012 | chrisnims

We bought a used 1999 topaz x and are trying to get it up and running. unfortunately we are getting an error: Anyone know where i can get a service manual or having any idea where to look to resolve this problem? "E229" “Nozzle down limit sensor is

Re: Varistors that leak, political football anyone?

Electronics Forum | Thu Jul 13 10:10:48 EDT 2000 | Todd

Donnie In response to your questions; 1. Flux is Multi-core X32-10M 2. Preheaters temperatures can range based on board density. the goal is to get the top side to 100C before wave. 3. Components can't be placed after wave solder, they are surface m

5 zone ovens

Electronics Forum | Fri May 26 10:17:21 EDT 2006 | pjc

Here are settings for a Vitronics SMR500 oven for Indium Corp. 5.1 No-Clean Pb Free solderpaste, the product profiled was of medium thermal mass: RTS, Temp C 120, 170, 195, 248, 264, conveyor speed was 43cm/min (17"/min.) Peak temps were reached in

PCB finish for vapor phase oven

Electronics Forum | Wed Mar 12 15:26:46 EDT 2014 | dan_ems

Hello, in my SMT process I have some problems with the solderability (look like dewetting) on a PCB with finish HASL Lead Free with a composition that is melt at 230 degree Celsius. My oven is with vapor phase and the peak temperature is 230 degre

Black Pad Other Plagues Of ENIG

Electronics Forum | Fri Dec 29 16:05:56 EST 2000 | Dave F

I don't know how I ended-up reading a current trade journal, when I have a stack of intentions behind my desk a foot and a half tall, leaning like a paper Tower of Pisa threatening to avalanche itself onto the underfill materials study, a meager one

reflow oven

Electronics Forum | Mon May 24 17:32:18 EDT 2004 | pjc

Look to the no-Pb solderpaste mfr. specs for on-board temps. For example, Indium Corp. has a product that performs at on-board temps of 229C. Now, your BTU oven will handle this no problem, as will most modern ovens. Its all about thermal mass. Look

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