Electronics Forum: electronics (Page 1301 of 7894)

Re: Moisture free storage units.

Electronics Forum | Thu Jul 13 22:30:37 EDT 2000 | Dave F

We gutted and rigged a rig to seep N2. Dawson's correct about using a standard frig tho.

Re: Moisture free storage units.

Electronics Forum | Thu Jul 13 22:34:04 EDT 2000 | Dave F

Tuan: Interesting. How do you have the compressed air rigged to your storage box? Regulator that's just open?

Moisture free storage units.

Electronics Forum | Thu Jun 19 02:28:42 EDT 2003 | Desmond Bezuidenhout

I assisted a company in the design and manufacturing of a +/- 700l cabinet utilizing a controlled nitrogen environment to purge. Any enquiry call +27 (0)16 9335747 or write to my mail.

Amplitude Sticker

Electronics Forum | Fri Mar 03 16:31:15 EST 2000 | Larry

Looking for a source for amplitude stickers. Must be able to indicate down to .030". They are going to be used to verify the vibration amplitude of the transducer on our Omega Wave.

cleaning glue off of stencils

Electronics Forum | Fri Mar 03 13:41:43 EST 2000 | pr

Is it o.k. to clean my glue stencils in the same IPA stencil cleaner I use for solder paste? Also if anyone with experience in stenciling glue can lead me away from first time pitfalls I would appreciate that as well. thanks in advance

Re: cleaning glue off of stencils

Electronics Forum | Fri Mar 03 14:08:55 EST 2000 | Michael Parker

Your best answer for determining cleaning method is to contact your stencil supplier and follow their recommendation. Periodic inspection of your apertures (using microscope, or minimum 10x magnification) would also be a good idea to make sure that g

Re: cleaning glue off of stencils

Electronics Forum | Wed Mar 08 09:32:57 EST 2000 | Dane Stokes

We use loctite to print with before begining testing on printing we asked loctite for the best cleaning solvent for there product. loctite had there own solvent that was designed to break down the propertys of their glue mix. Contact glue supplier an

Re: BGA Sphere Reflow

Electronics Forum | Thu Mar 02 21:51:46 EST 2000 | Dave F

Robert: Consider requesting samples of different sized solder balls from a variety of suppliers, solder them to dummy boards, and compare the size of reflowed balls to your spec. Then you could buy based on results. My2� Dave F

Re: footprint formula

Electronics Forum | Thu Mar 02 09:45:24 EST 2000 | Jacqueline Coia

Could this QFP be easily wave soldered if placed on solder side of PCB, if so are there two different footprint formulas that take both wavesoldering and reflow into consideration. Thanks again. Jack

Re: footprint formula

Electronics Forum | Wed Mar 08 21:16:38 EST 2000 | Dave F

Wolfgang: I agree that the IPC pads are reflow / top side wave solder. We run bottom-side PCLL at 45� to the wave with fairly involved solder thieves. Ta. Dave F


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