Electronics Forum: unleaded (Page 3 of 4)

Leadfree Dross in Wave Solderpot

Electronics Forum | Fri Feb 25 18:13:17 EST 2005 | davef

Your leadfree dross should float, similar to your leaded dross. It's possible you're thinking about the process for removing excess copper from the solder pot. Following the same process, with: * Leaded solder, the copper floats. So, you scoop the

RoHS solders and silver termination inks

Electronics Forum | Tue Aug 30 09:24:08 EDT 2005 | Slaine

we manufacture a range of ceramic parts that have silver termination,there is already a small leaching problem (absorption of the termination by the solder in liquid form)with Sn62 that we live with, having to implement unleaded solder they are norma

Is Our Blood Leaded Or Unleaded?

Electronics Forum | Wed May 21 21:48:57 EDT 2008 | hughes909

Guys! Its very interesting question to know about whether our blood polluted with lead or not. what i read is that lead is the maximum dense metal, it mean that it could not be digestible. We now a days, living in the maximum polluted senerio whe

No such thing as a Compact Reflow Oven?

Electronics Forum | Wed Jun 20 12:55:29 EDT 2018 | reckless

Which compact oven manufacturer makes a better product? Essemtec or DDM? The Essemtec units look the same as Manncorp. I have found 2 RO300FC's and a Novastar 1800. The 1800 looks like it hits a higher temperature but not sure if its needed to go

Skewed components

Electronics Forum | Tue Mar 06 19:45:52 EST 2007 | davef

DPAK align on the tab with leaded solders. They don't align much with unleaded solders, but we know that your Indium NC-SMQ 92J is leaded. So, there may be too much paste on the heat sink tab causing the component to float [or wim] during reflow. If

Is Our Blood Leaded Or Unleaded?

Electronics Forum | Wed May 14 08:26:17 EDT 2008 | realchunks

Lead cannot be penetrate your body through your skin by just touching it. You have to swallow it. It does not promote cancer or cause you to go steril like the rumors at my plce of work talk about. Although it is fun to touch people you dislike wi

Profile board usage

Electronics Forum | Fri Nov 09 08:45:31 EST 2007 | philkaz

I am in the R&D department at KIC. We have been making thermal profiling equipment for 20+ years. A standard circuit board is made from FR4 fiberglass. A typical solder reflow profile, whether leaded or unleaded, takes the board above the "glass t

Prifiling Board life cycle

Electronics Forum | Fri Jan 04 09:44:59 EST 2008 | philkaz

Hello, I am Philip Kazmierowicz and I work with KIC, a Thermal Profiling company. We have done many lifetime experiments on Printed Circuit Boards over the years. The key thing to understand is that if the primary material of the board in FR4 fiber

Is Our Blood Leaded Or Unleaded?

Electronics Forum | Fri May 09 12:08:19 EDT 2008 | sliebl

Last year I had my doctor do a lead test during one of my regular blood tests. My exposure at work is similar to most of you, I'm sure. I've been doing this for 13 years now. We do predominantly leaded solder processing through SMT and wave. I wash m

Is Our Blood Leaded Or Unleaded?

Electronics Forum | Sun May 18 00:43:06 EDT 2008 | aisart

There are two approaches I have seen at different sites that seem to work. The first one is for them to use gloves. When I asked as to why, they told me there are studies that showed people wearing gloves are less likely to put them in their mouth an


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