Electronics Forum: use (Page 2015 of 2487)

Re: Flux splattering during reflow

Electronics Forum | Mon Jan 19 20:01:11 EST 1998 | Steve Gregory

| We use no clean paste and sometimes experience | flux splattering which gives spot on gold fingers. | Need help in analize the cause. thx. Dominic, That is STILL a problem huh? It's a tough one to solve sometimes...especially when you have as

Placement Program Control

Electronics Forum | Fri Aug 17 14:28:27 EDT 2001 | Chuck N.

I like the idea that files are stored on a Lan system. Typically lans are backed up daily or weekly by the IT department. If not they should be backed up on tape or disk weekly, monthly, etc. depending on how often new programs are released. The m

Solder paste normalisation period

Electronics Forum | Fri Aug 17 06:40:27 EDT 2001 | nifhail

Thanx Dave/Hussman.. We normally store our solder paste in the refrigerator at 0-10 Deg C as per what the supplier recommanded. Our floor temperature is controlled at 22 +/- 5 Deg C and Humidity is at 55 +/- 5%. Recently we have customer asking fo

PROBLEMS WHILE GLUE PRINTING

Electronics Forum | Thu Sep 20 20:15:55 EDT 2001 | davef

We use glue for all kinds of purposes. [See, first we glue the lock on the office door. Then, we glue dadour locks on dakah. Next, we glue the ignition of the Benz. Now, webee gon stylin�, uh huh!] Oooops, sorry got lost there for a minute, the

Placement Program Tweaking

Electronics Forum | Fri Nov 02 11:23:52 EST 2001 | dougt

Here's my 2 cents....... I worked for a small company that manufactures pick and place machines and had the task of testing/troubleshooting and the dreaded calibration. These machines used vision for part orentation and have what I considered aweso

SPC on SMT

Electronics Forum | Wed Nov 21 12:29:52 EST 2001 | mparker

Now that we know where you've been and what you wish to accomplish next, I can still give you some suggestions. 1. Get IPC-7912. Use it to evaluate your CM's. Especially if you have multiple contractors supplying like products. You will quickly see

Immersion Silver

Electronics Forum | Fri Jan 11 17:14:13 EST 2002 | davef

We have one product with electroless nickel, immersion silver solderability protection. We do not purport to be experts, but like many things, have seemingly boundless opinions. Side note: There are a least three different [maybe five] imm silver

Any comments for Quality @ AQL=0.1, C=0 ???

Electronics Forum | Mon Mar 25 15:51:04 EST 2002 | davef

ASQC re-numbered the once free (taxpayer sponsored development) MIL-STD-105 as ASQ-Z1.4, slapped their own cover on it, and now charge $40 or $50 for the same document! The standards are identical, so see if you can get one of the old �MIL-STD's� and

adhesive on pads

Electronics Forum | Sat Mar 30 17:27:45 EST 2002 | davef

You should not have glue "all over the place." Tou should not have glue on solderable surfaces. It sounds like you are stringing glue from one dispense location to the next. Search the fine SMTnet Archives [there might be something there]. Read a

Bad Buisness

Electronics Forum | Thu Apr 18 16:43:41 EDT 2002 | Sam

Tech: "good afternoon ABC co. how can I help you?" Eng: your machine broken. Tech: okay, what is the problem you are having ? Eng: it no work, my boss is mad at me, no production. Tech: yes, uh, what exactly is the problem ? Eng: I don't know, night


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