Electronics Forum: storage and bag (Page 1 of 14)

PWB packaging for shipment and storage

Electronics Forum | Wed Oct 20 10:41:22 EDT 1999 | Eric Lerz

Our company (assembler and user) has experienced some board problems relating to warpage and solderability. The manner in which they are packaged by our fabricators and stored in our stock prior to assembly has been questioned (as one of many factor

smd led storage

Electronics Forum | Thu Mar 18 11:07:45 EDT 2010 | mun4o

hi, lately I have problem with smd leds.After reflow 2-4% of leds are broken.I think , that reason is bad storage of components, because in our stock the tape with leds have not Moisture Barrier Bags.My question is ,how you storage components, which

smd led storage

Electronics Forum | Mon Mar 22 07:40:01 EDT 2010 | emanuel

Are you absolutely sure the problem is with the humidity? We had a problem with 3528 size leds, damaged by the pick and place nozzle because a 0.2mm mistake in the height measurement. Also, we found that several suppliers are using fake desiccant ba

loose component storage

Electronics Forum | Tue Nov 13 20:03:25 EST 2001 | davef

It is better than the divider try thing, especially if the divider try thing is not ESD protected. The repair person must req these parts or we end-up short on the build!!! Pissa!!! Howbout this? * Some repair companies sell kits / packets of re

smd led storage

Electronics Forum | Fri Mar 19 13:18:03 EDT 2010 | deanm

Regarding your question about buying equipment to vacuum seal the MBBs, according to the IPC/JEDEC standard, "Full air evacuation is not needed or recommended; light air evacuation will reduce the packaging bulk and enhance carton packing. Excessive

Re: BGA storage

Electronics Forum | Wed Jan 19 17:01:18 EST 2000 | Chad Notebaert

You can buy desicant packs and indicator cards to place back in the original or a new bag with the BGA's and re-seal using a heat sealer (Vac Seal being the best). If properly done the material will be kept below the 20% RH level. Another option woul

smd led storage

Electronics Forum | Fri Mar 19 03:50:37 EDT 2010 | grahamcooper22

Some things you have to be sure of... Can you guarantee the LEDS are DRY when you receive them ? They may be packed in dry bags but when was this done and has the LED distributor had them open at his site ? Using vacuum sealed dry packs is a good way

Required humidity for SMT production and storage

Electronics Forum | Thu Apr 12 00:56:20 EDT 2007 | Jani

Our SMT production and storage area is air-conditioned, constant temperature is maintained but the humidity is not controlled , the raw SMT material is stored in a "Drier" cabinet, but since we assemble hybrid SMT and thru-hole PCB assemblies, the SM

Foam fluxer maintenance, storage and cleaning

Electronics Forum | Sun Nov 08 17:04:26 EST 2015 | ttheis

Thank you very much for sharing this information. It is difficult to gain knowledge in this area independently. I'll contact Kester for information on adjusting the flux density and which "thinner" to use since I am using their flux. I really like

Foam fluxer maintenance, storage and cleaning

Electronics Forum | Thu Dec 03 15:30:00 EST 2015 | ttheis

We've started off with Kester 951 'no-clean' so far which is alcohol based I believe. It seems to do very well with foaming, activation and low residue, but if we can move to water based and get good results that would be great. The 951 flux and thin

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