Electronics Forum: moisture (Page 4 of 135)

Has anyone looked into Vacuum storage on moisture sensitive devi

Electronics Forum | Tue Aug 19 11:31:43 EDT 2003 | davef

JEDEC standard EIA/JEP124 Section 5.2.1 Packing Moisture-Sensitive Components has words to the effect: "...Partially or lightly evacuate the bag to reduce packaging bulk and heat seal the bag as close to the end as possible following the heat sealing

Best way to identify moisture sensitive reels on a machine

Electronics Forum | Thu Jan 25 12:02:20 EST 2018 | deanm

When leaving a job set up on pick and place machines, it is important to return any moisture sensitive devices on reels to a dry cabinet overnight to reduce the exposure time. What are some ways to identify which reels need removed? A sticker placed

Best way to identify moisture sensitive reels on a machine

Electronics Forum | Tue Feb 06 04:58:30 EST 2018 | robl

You can also get dry cabinets that you can wheel your feeder carts directly into (if you have quick change carts) when not producing to extend floor life.

Best way to identify moisture sensitive reels on a machine

Electronics Forum | Wed Feb 21 07:36:38 EST 2018 | robl

Hi Dean, which ERP are you using? Maybe someone else has the same system and has got around this. We did by re-purposing a field. Rob.

Has anyone looked into Vacuum storage on moisture sensitive devi

Electronics Forum | Tue Aug 19 12:15:37 EDT 2003 | D Peter

Again, that is for packaging, rather than moisture removal or storage. Those guidlines are for several reasons, preventing low pressure outgassing or disassociation of the dessicants, damage to parts or wafer tray due to forces on the evacuated pack

Has anyone looked into Vacuum storage on moisture sensitive devi

Electronics Forum | Tue Aug 19 09:48:07 EDT 2003 | D Peter

No, we don't have nitro. We may go that way if we can't find decent data from anyone other than the food industry on vacuum drying. I'm just more comfortable with low water/O2 content by removal rather than displacement.

Has anyone looked into Vacuum storage on moisture sensitive devi

Electronics Forum | Tue Aug 19 09:09:15 EDT 2003 | D Peter

After a few problems and time constraints on baking moisture sensitive devices, we are looking at solutions to storage rather than going after a rebaking solution. One thing that always bothered me about baking was the oxidation on the lead finish,

Best way to identify moisture sensitive reels on a machine

Electronics Forum | Thu Jan 25 13:54:51 EST 2018 | emeto

The best way is to have proper system in place that shows which reel is stored where. Now mycronic, juki, fuji and more have these towers(MSD), where you can keep your parts in. It is a very elegant solution with a beautiful software that tells you w

Best way to identify moisture sensitive reels on a machine

Electronics Forum | Sat Feb 03 03:03:11 EST 2018 | buckcho

Hello, Mr. Evtimov is right. What kind of pick and place machine do you have? Implementing the MSL into a datamatrix barcode is the first step. Then you might want to use your machine's software solution (if possible) to track this. Another solution

Best way to identify moisture sensitive reels on a machine

Electronics Forum | Tue Feb 20 14:21:54 EST 2018 | deanm

Thank you all for your feedback. While the new smart reel towers are the ideal, we simply cannot afford them or better pnp equipment at this time. However for the short term, probably putting colored stickers on the reel edge folded over so it is vis


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