Electronics Forum: had (Page 507 of 728)

What color was the towel?

Electronics Forum | Mon Sep 09 13:41:38 EDT 2002 | cp743

Mr. Bentzen, Good morning. We at Fuji have no record of any customer bringing to our attention this issue. We have never had an issue handling these parts to date. The errors that you are encountering are related to an incorrect vision type. You s

component shelf life

Electronics Forum | Thu Aug 29 18:28:19 EDT 2002 | Dreamsniper

Semi conductor devices last for 5-10 years or more when in use. Since those parts are in stock and are not in use they are considered in good condition. The only concern that you got is how will you process them. We had the same problem before and it

Nozzle size

Electronics Forum | Thu Sep 12 15:58:02 EDT 2002 | stepheno

It's been years since I worked with a Fuji. I only once resorted to the undocumented part class 255 (or whatever they call it) and that was when I was working midnight shift. The smaller nozzle working better than the larger nozzle makes me wonder a

Nozzle size

Electronics Forum | Fri Sep 13 13:28:58 EDT 2002 | stepheno

I guess no one at ECD reads this forum. They make a clip-on thermocouple prob. Where I used to work we had 3. At first I thought they were very awkward to set up. But once you practise a bit and get used to the right hand thread tightening screw

mirco bga stencil opening

Electronics Forum | Thu Sep 12 10:45:29 EDT 2002 | pbarton

We have used a laser cut stencil 0.15mm (0.006") thick with 0.3mm (0.012") square apertures radiused in the corners 0.06mm (0.0025") to aid paste release. This approach with the (type 3) paste we use has proven successful on thousands of devices plac

SMEMA standards

Electronics Forum | Wed Sep 18 16:56:55 EDT 2002 | stockley

I started writing a long winded explanation about SMEMA and realised that it is just as easy to write about this as it is to talk about it on the phone. It just so happens that I have recently gone through this process so I believe that your vendor

UltraSonic cleaning machine

Electronics Forum | Wed Sep 25 10:22:21 EDT 2002 | matt2138

UltraSonic cleaners do a good job of cleaning both stencils and misprint PCBs. Make sure the frequency that the machine comes set to is ok to use with both stencils and misprint PCBs. If you are a CM make sure your customers are ok with using the ul

BGA void removal

Electronics Forum | Mon Oct 07 13:15:41 EDT 2002 | razorsek

Russ, this post doesn't specificly address your original post but I thought it is relevant to your situation and future production. I have been having problems with voids using Kester's R596L paste. I contacted them for a solution to my problem. T

Reflow Oven Chain Lubrication

Electronics Forum | Sun Oct 13 22:19:28 EDT 2002 | mikestringer

Hi Everyone What lubricants do your maintenance people use for the chains in your Reflow ovens? The manuals for our ovens have one recommendation - but I am always open to other people�s experiences and recommendations. Another option may be easie

BGA rework stencils ( down to 0.65mm pitch)

Electronics Forum | Mon Oct 14 03:14:08 EDT 2002 | msimkin

Hi, Has anyone had expereince in the design or use of mini rework srtencils for uBGA applications? What was the deisgn guide lines used. I am looking to rework 0.7 & 0.65 mm uBGA parts with standard hot air, without split prism placement guides. It i


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