Electronics Forum: manufacturing (Page 316 of 636)

Re: Humidity Of Assembly Area

Electronics Forum | Thu Nov 04 13:45:29 EST 1999 | Scott Cook

Hi Chris. Can't specifically address optos, but I have spec'd RH requirements and Temp requirements for new facilities I helped design for manufacturing here in FL (humidity center of the universe). For an overall benefit, I considered the potential

flow thru

Electronics Forum | Fri Oct 29 13:45:03 EDT 1999 | David Vulcano

We are placing several axial components that have STEEL leads. Have noticed that the steel components do not get good flow thru(we manufacture to IPC-A-610 Class II Standards which reqires 75% flow thru) We are using Seho Wave Machines with Nitroge

Re: flow thru

Electronics Forum | Mon Nov 01 15:47:21 EST 1999 | Jim Snipes

Dave thaanks for your quick reply. The flow through probelm exists on several component, Examples; small Tan electolic caps.,electrolic epoxy caps. and one specfic lad on a resistor network. I have veried conveyor speed and readjusted heat sett ings

Solder on gold fingers

Electronics Forum | Thu Oct 28 17:46:44 EDT 1999 | Gary Kemp

My company manufactures memory modules and I'm finding solder specs on the gold fingers following the reflow process. We are using a no-clean solder paste. The spec sheet warns against crossing the 140 degree C mark during the soak stage, preventin

HELP!! via sizes, location

Electronics Forum | Tue Oct 05 10:48:46 EDT 1999 | Frank Fossett

I am a new employee at a company that has had a large turnover of employees over the past year. I am working on a board (components on one side only), the engineer (he is also new ) wants to use an .035 pad with a .021 dia. hole, there are no via's u

HELP!! via sizes location

Electronics Forum | Tue Oct 05 10:13:48 EDT 1999 | Frank Fossett

I am a new employee at a company that has had a large turnover of employees over the past year. I am working on a board (components on one side only), the engineer wants to use an .035 pad with a .012 dia. hole, there are no via's under the zero clea

Wasting Time and Bandwidth

Electronics Forum | Thu Sep 23 12:42:02 EDT 1999 | Bob Barr

Dear Administrator, On 9/25, a forum user named Seli posted a question titled "Electronic Manufacturing on the Beach". Out of 11 responses to his posting, exactly one had anything to do with his question. The other 10 were completely off topic. P

Re: IR rework stations

Electronics Forum | Thu Sep 23 09:28:49 EDT 1999 | Earl Moon

| | Hiya, | | | | Could anyone please suggest recommended manufacturers of | | IR rework stations for the removal of various SMT comps. | | | | Cheers | | | Why IR ? Ok, I�ve seen only one but that thing burnt the PCB before the solder was meltin

Re: IR rework stations ....Anyone Tried or currently uses PDR

Electronics Forum | Thu Sep 23 15:32:32 EDT 1999 | Earl Moon

| | Hiya, | | | | Could anyone please suggest recommended manufacturers of | | IR rework stations for the removal of various SMT comps. | | | | Cheers | | | I have 2 customers who went from hot air system to a PDR and they love it. The system wil

Contact 3AV Utilisation

Electronics Forum | Thu Sep 23 04:22:24 EDT 1999 | Chris May

Is any one else out there running a Contact3AV machine in a small batch size (4 offs to 20 offs)environment ? Obviously you cannot expect a high utilisation figure running small batches, setup etc; but has anyone achieved an optimum ? I have run an


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