Electronics Forum: atmosphere (Page 1 of 22)

Soldering under nitrogen atmosphere

Electronics Forum | Sat Jul 16 13:53:52 EDT 2022 | yannick_herzog

Hello all, we use a reflow oven from Rehm in our SMT production. At the moment we solder under nitrogen atmosphere (approx. 500ppm). Now we want to reduce the nitrogen consumption (costs etc.). What consequences can occur here? Especially on the s

Soldering under nitrogen atmosphere

Electronics Forum | Tue Jul 19 18:40:41 EDT 2022 | emeto

Nitrogen is helping voids, so if you have specific parts that are prone to voids, you might start seeing more voids. Joints will probably look a little dull in comparison and this might affect your existing AOI programs.

Alternative to nitrogen atmosphere cabinet for storage of parts

Electronics Forum | Fri Nov 12 18:18:02 EST 2021 | totech

Hi Jerry We do sell hybrids cabinets nitrogen purge timer up to 20 minutes Or constant Capability of both To

Alternative to nitrogen atmosphere cabinet for storage of parts

Electronics Forum | Fri Nov 12 12:58:38 EST 2021 | jeremy_leaf

Hi SMTnet. I have a series of sensitive parts and solder preforms which degrade when exposed to oxygen and moisture. It seems the standard way of protecting these components is to use a nitrogen purged cabinet as storage. This seems to use a lot of

Re: Nitrogen to use or not to use

Electronics Forum | Thu Dec 16 11:54:45 EST 1999 | Mike Naddra

At reflow an inert atmosphere is used to mitigate the occurance of oxidation, to me the decision weather to move from an inert atmosphere is based on several things ; PCB surface finish - are you using a HASL finish, OSP or another surface finish and

How to measure N2 in reflow oven

Electronics Forum | Thu Mar 04 07:57:32 EST 1999 | John Godfrey

I need to setup an oven to run with a nitrogen atmosphere for boards with BGA's, but our ovens do not have the optional atmosphere monitor and controller. Is there a good way to sample and control the atmosphere without the optional built-in atmospe

dry oven

Electronics Forum | Wed Aug 14 16:30:55 EDT 2002 | sleech

Dan: Until I got deep into development of a vacuum assisted moisture removal process, I always thought that the bake process would be saddled by the lack of atmosphere in the chamber. I later learned that the conduction of temperature at reduced atm

Reflow Oven Atmosphere Purity

Electronics Forum | Wed May 12 07:56:31 EDT 1999 | Joe Belmonte

Folks, I am interested in knowing what level of Nitrogen purity you are running in your reflow ovens for standard SMT assembly? It seems over the last several years people are increasing the Oxygen level in thier reflow oven atmosphere. What purity L

Re: How to measure N2 in reflow oven

Electronics Forum | Thu Mar 04 08:50:53 EST 1999 | Dave F

| | I need to setup an oven to run with a nitrogen atmosphere for | boards with BGA's, but our ovens do not have the optional atmosphere monitor and controller. Is there a good way to sample and control the atmosphere without the optional built-in

How much air flow is required for an Omni Flow 5 oven?

Electronics Forum | Fri Feb 15 15:55:58 EST 2008 | pjc

This is from the OmniFlo 5 Engineering data sheet: EXHAUST SPECIFICATIONS: STANDARD AIR OPERATION: - Load-end: 150 cfm (255 m3/hr) at the 4� (102 mm) stack (minimum requirement) - Unload-end: 300 cfm (510 m3/hr) at the 4� (102 mm) stack (minimum req

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