Electronics Forum: ams... (Page 48 of 855)

Solder paste inspection

Electronics Forum | Mon Aug 10 10:40:53 EDT 1998 | Owen Bratten

I am trying to get an idea of what system seems to work best for solder paste inspection. I am looking for basic table top models with he capabilites of height and width measurements. Can anyone give me suggestions, pricing and why you prefer one o

Re: Solder Paste Evaluation

Electronics Forum | Fri Jul 10 13:49:27 EDT 1998 | Bob Willis

I have some nice simple test methods that I will email to you this weekend thats one of the documents I must put on my site. | I am looking for some guidelines on evaluating solder paste. I am specifically interested in No-Clean Pastes, as they are a

Re: Solder Paste Evaluation

Electronics Forum | Fri Jul 10 13:48:41 EDT 1998 | Bob Willis

I have some nice simple test methods that I will email to you this weekend thats one of the documents I must put on my site. | I am looking for some guidelines on evaluating solder paste. I am specifically interested in No-Clean Pastes, as they are a

Curing oven

Electronics Forum | Mon Jun 22 13:56:17 EDT 1998 | Upinder Singh

hi all. I am looking for a oven which can cure the conformal coating providing heat and the humid atmosphere. I am looking for a temperature range of 60 deg C to 80 deg C and a humidity range of around 80%. Can anybody refer to me the right vendors

Re: Geometric Dimensioning and Tolerancing

Electronics Forum | Sat Jun 06 22:53:11 EDT 1998 | EFData

Earl, As always, I am interested in what you have to say, but I am still a little vague on your application of ANSI Y14.5 as it relates to the manufacturability of an assembled printed circuit board. Are you implying that component placement coordina

Re: Reel Counter

Electronics Forum | Mon Jul 19 09:40:01 EDT 1999 | Scott

| I too am interested in reel counters. Can you supply contact info for APS or any other manufacturers of sam equipment So am I. I realize this thread is a little old, but I've recently begun a search for reeled component counters. Anyone have any

temp stress reliability test for SMT solder bonds

Electronics Forum | Thu Apr 09 12:25:43 EDT 1998 | Dave Hammond

I am currently involved in a reliability project related to SMT QFP and TSSOP fine pitch solder joint reliability. I have decided to use a temp chamber for stress testing. Is there a test standard that covers this? I am also a bit unsre as to whether

Cleaning Ceramic Substrates

Electronics Forum | Wed Mar 25 13:29:08 EST 1998 | Gary Simbulan

We currently use an abrasive fiberglass brush to clean the silver oxide off of our substrates proir to asembly. It's messy and tiring. Is there an alternative method, either chemical or mechanical that is cost effective for small (30 to 50ea 6in sq

Re: wetting

Electronics Forum | Tue Dec 18 18:36:58 EST 2001 | guicho_v

Is the Sn% of the plating of the pin related to wetting quality?. I am having issues with one IC maker where some pins are OK and one or two pins are not soldered, even when there is weeting evidence underneath the pin. I am blaming the %Sn too hig

PCB Marking

Electronics Forum | Fri Mar 06 09:25:18 EST 1998 | Mike

I am looking for Permanent non conductive ink (Black and white) to mark PCBs with. I am also looking for a method to apply the ink (stamp) in letters 0.08 high. I need to stamp the board in two locations the first is 9 characters long (Numeric) and


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