Electronics Forum | Tue Apr 11 16:42:56 EDT 2000 | Chad Notebaert
I�m thinking �Poor intermatallic� It could be a few things. Lets start at the beginning. -Is your paste a 63/37 mixture? -Have you monitored you screen printing, Verify Solder deposition, Are you getting enough paste? -You say the solder looks like i
Electronics Forum | Tue Jul 27 16:30:35 EDT 1999 | Earl Moon
| Can anyone give me the virtues of SMT package castellations vs. no castellations with particular reference to the ruggedness and reliability of the solder joints? Any references or studies that you can point me to? Also, although I'm in favor of
Electronics Forum | Wed Dec 09 14:36:26 EST 1998 | Earl Moon
| Hi, I know for sure that by controlling temp. and humidity | conditions in SMT assy lines room, one gets advantage in | screen printing, adhesive dispensing, and pick&place | machines mainteinance. Does any one have any advice on why | else is a c
Electronics Forum | Thu Sep 10 09:47:15 EDT 1998 | Earl Moon
| hi, | 1206 capacitor with silver/palladium termination is mounted onto a ceramics substrates. Bonding is achieved through conductive epoxy. | We discovered that the epoxy cracked and this caused missing capacitor. We had tried different grade of e
Electronics Forum | Thu Apr 28 08:29:22 EDT 2005 | andymackie
If what you are talking about is "assembly materials", then consider the following: - Solder paste - Wavesoldering fluxes - Bar (for filling wavesolder pots) - Underfill (for TCE-mismatched CSP's and flip-chip) - Cleaning fluids (for post-reflow boa
Electronics Forum | Tue Aug 22 20:29:23 EDT 2000 | Earl Moon
No advertising! Yes sirs! I have placed my hat, head, body, and soul into what Dave and Jax have finally said, plus the fact this forum is totally turned commercial and we pundants have to obey the no advertising rule while the forum management seek
Electronics Forum | Wed Sep 09 10:02:46 EDT 1998 | Earl Moon
| | | I am in need of possible causes and solutions to capacitors that are failing in the field. | | | Are there issues in our process that need to be | | | checked? | | | Some people said the problems are due to improper | | | storage. Others sa
Electronics Forum | Thu Aug 24 15:12:29 EDT 2000 | Earl Moon
I don't entertain the forum like JAXSUN. I never have played games but for some humorous insights. I, when participating, never complained until management provided only more incentive to advertisers than forum members. That said, the following is a
Electronics Forum | Tue May 23 20:44:13 EDT 2000 | Dave F
Sal: You and Wolfgang are spot on, but let's see if we can blow this out a bit. Before proceding to rattle on ... � PC Card. A credit card-size computer peripheral that add memory, mass storage, and I/O capabilities to computers in a rugged, compa
Electronics Forum | Mon Aug 28 18:57:41 EDT 2000 | Earl Moon
Steve, This is a good, well repeated, not identified by IPC yet issue. I, and some others in industry, for years have proven and recommended smaller pads for various devices. I, and some others in industry, use 0402 pads for 0603 device types. IPC o