Industry Standards for distance of PCB's in reflow oven???

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Can anyone tell me if there is an industry standard on how m... - Nov 18, 2005 by SMT Newbie

Try an experiment where you profile the assembly with 3 cons... - Nov 20, 2005 by

It can also depend on the board. A board with 160 through h... - Nov 20, 2005 by Stephen

SMT Newbie

#37995

Industry Standards for distance of PCB's in reflow oven??? | 18 November, 2005

Can anyone tell me if there is an industry standard on how much of a space should be between PCB's in a convection reflow oven?

Thanks

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C. Kolokoy

#38000

Industry Standards for distance of PCB's in reflow oven??? | 20 November, 2005

Try an experiment where you profile the assembly with 3 consecutive boards in the oven spaced just 1" apart versus just 6" apart and then 12" apart.

You figure most ovens have about 12 - 16" heating zones, so for your typical 8"x8" PCB, you'd have what - 1.5 boards per heating zone.

It also depends on what type of oven you have. Vapour phase, convection, or Infrared? Which heat transfer method has the most effect on your board temps?

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Stephen

#38002

Industry Standards for distance of PCB's in reflow oven??? | 20 November, 2005

It can also depend on the board. A board with 160 through hole BNC's requires more spacing than most boards.

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