Electronics Forum: said (Page 28 of 179)

Re: N2 vs. Air Reflow Soldering

Electronics Forum | Thu Dec 21 20:13:02 EST 2000 | Brad Kendall

I used to switch my N2 on and off for different products and I had performed profiles on the products with and without the N2 on and there was not a difference in the profiles. So you should not have to adjust your profiles. I think everyone else c

little plastic caps: what does it all mean man!?!

Electronics Forum | Wed Oct 25 12:38:55 EDT 2000 | Robert Russell

I had a customer come to me the other day and he asked if I had the little plastic caps that go over the feeder arms of the fuji machines. He said that come in "Red" and "Blue". Do those colors mean anything, or is it just a preference of what a pers

Re: Form tips

Electronics Forum | Wed Aug 16 18:36:25 EDT 2000 | John Thorup

Yeah... annoying isn't it. I see Tip # 1 in my dreams. Cliff said it had something to do with the cookie. Try checking the no box, closing your browser and then coming back. I think that's what gets rid of the box. But then, like heartburn, it'l

Re: On Board Forum with Bob Willis

Electronics Forum | Mon Jul 10 15:03:52 EDT 2000 | Michael Bryant

Just to reiterate what Bob said, we are very excited about his OnBoard Forum on July 20th. If you haven't signed up yet, I have included the Web address at the bottom of this message. Topics for this forum include Pin In Hole Reflow, Bob's process of

Re: Shorts in corners of BGA devices

Electronics Forum | Fri Jun 23 08:52:16 EDT 2000 | Dave F

John: Seek your answers in the archives. As I recall someone said: � Biggest cause of BGA shorting was out-gassing in-package moisture. � Removing shorts w/o removing the device: - Preheat the board - Lower the nozzle and heat the device - Lift the

Re: UniCam Forum

Electronics Forum | Mon May 15 18:06:02 EDT 2000 | Micah Newcomb

Mark, I am not aware of any forum dedicated soley to Unicam, but as Jax said this forum is about as good as any. I am sure there are many Smtneters that use Unicam daily, myself included. We use Unidoc for documentation and we also utilize Fuj

Re: PLCC PD's for IP3

Electronics Forum | Sat Apr 22 13:54:02 EDT 2000 | JAX

What's Up Big Man, Although I agree with a few things Dean said, personally I like back-light. But since you probably won't listen to me here's is the suggested info: Lead_check area= 60% Vision type= 120 P_pattern= 34 This rest is part dependant

BGA and PCB finishing

Electronics Forum | Tue Mar 14 05:02:35 EST 2000 | emmanuel

I am to implement PBGA, and i am looking for PCB surface finish informations. A lot of technical reports are specifing NiAu finishing because of flatness property. Because of leads shape, I though that BGA doesn't need flat pads like QFP. Is it false

Re: solder balls and flux

Electronics Forum | Wed Mar 01 10:46:26 EST 2000 | Robert Hartmann

Kelvin, Thanks for the help. The actual opening size is .440 mm, but I think what you said makes sense. After discussing with the customer, it looks like it is the height which matters, more than the diameter. We have learned that the height of t

Re: unidentified component

Electronics Forum | Mon Feb 21 22:36:19 EST 2000 | Dave F

Cedric: I know you said "5KE36CA." Motorola, Fairchild, and some others make a zener transient suppressor 1.5KExxCA. The CA suffix makes it bidirectional. Actually, Motorola is no longer in the business. On Semiconductor (www.onsemi.com) sells t


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