Electronics Forum: forum (Page 1511 of 7890)

BGA inspection guideline

Electronics Forum | Fri Jun 26 19:02:09 EDT 1998 | Rin Or

I am very interesting of getting information about the criteria inspection of BGA. Example, what are percentage allowance for void, solder joint volume etc.. Any information feed back will be greatly appreciated.My factory just install the Nicolet NX

Calibration

Electronics Forum | Thu Jun 25 17:18:14 EDT 1998 | Vic Graninger

What is the industry standard for calibration compliance certification of SMT machines? and Flow Solder machines? We are currently doing a Quality Audit on one of our manufacturing venders and this questions has been brought up. Any help would be app

Solder joint quality/reliability - Mass reflow vs. handsoldering

Electronics Forum | Thu Jun 25 16:07:44 EDT 1998 | G. Hamblett

Looking for articles/data comparing the quality/reliability of mass reflowed SMT solderjoints versus hand soldered SMT solderjoints.

OK/Metcal BGA Rework Stations - Pros & Cons?

Electronics Forum | Thu Jun 25 15:07:37 EDT 1998 | Chrys

Anybody using this equipment? Got some pros & cons for me? Thanks in advance.

Re: OK/Metcal BGA Rework Stations - Pros & Cons?

Electronics Forum | Mon Jun 29 12:58:40 EDT 1998 | Phil Teerink

| Anybody using this equipment? Got some pros & cons for me? | Thanks in advance. Have had one for about six months good results, takes some practice though Call me if you wish to discuss 604-291-2025

printing

Electronics Forum | Thu Jun 25 12:04:58 EDT 1998 | Brian Munzel

looking for help with fine-pitch printing for what would be the best settings for printing speed, squeegee pressure, seperation speed. thanks for you time

Re: printing

Electronics Forum | Fri Jun 26 11:01:47 EDT 1998 | Justin Medernach

| looking for help with fine-pitch printing for what would be the best settings for printing speed, squeegee pressure, seperation speed. | thanks for you time Brian, Call me. We'll chat. Tons of stuff. 978 392 3218 East coast time. Regards, Justin

TCE for Ais

Electronics Forum | Thu Jun 25 06:02:41 EDT 1998 | Chiakl

Hi there, Does any one know what is TCE for fully wet saturated FR4. I came to know that for Dry FR4 the TCE is about 15-19 PPM �C. Is that true? Appreciated for your help. rgs, chiakl

SMT Resistors

Electronics Forum | Tue Jun 23 17:57:23 EDT 1998 | Larry Hurst

Does anybody have any data on the thermal resistance and thermal time constant of 0805 and 1206, metal film, surface mount resistors when mounted on a typical PC board? Even approximate informatin would be useful. Thanks in anticipation. Larry Hurst

Inline Manual Cut n Clinch

Electronics Forum | Tue Jun 23 12:21:51 EDT 1998 | Robert Cass

We have a need to manually insert, cut and clinch a radial part that is prep close to spec on a board traveling down a standard conveyor. Is anyone aware of such a system? I only know of regan off line.


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