Electronics Forum | Wed May 05 03:57:00 EDT 1999 | Bernard Mulcahy
| Hi Ya' John! | | Here's my comeback to the points you've raised...you knew I would have a comeback, didn't ya'? | | |Steve, | | | | I see your point, and yes there are alot bigger fish to fry in |the removal or control of lead in the environment
Electronics Forum | Thu Jan 18 21:52:24 EST 2001 | arul2000
>>>>Dave, The BGA substrate surface finish is NiAu, while the PCBA pad surface is HASL. The solder ball composition is SnPb 63/37 and the solder paste used on the PCBA is also the same but with 2% Silver.>>> Dave, sorry I don't have the picture with
Electronics Forum | Tue May 01 13:25:20 EDT 2001 | kaoni
Thank you Wolfgang, My time table is the amount of time it takes to get it right. I hope to have product by next December if possible. Yes, I am starting from ground zero. I need to go 201 because of the size limitations as to what I need to fit in
Electronics Forum | Tue May 08 11:27:49 EDT 2001 | Eyal Duzy
I will review some of the advantages/disadvantages of AOI vs. X-Ray one by one according to the main differences that you may find between them. * AOI uses optics that can "see" only visible elements. X-Ray can "see" hidden elements. There is a ve
Electronics Forum | Fri Sep 17 15:01:05 EDT 1999 | Dave F
| | We have some SMT components with gold plated leads. They're actually LCC led packages. A good solder alloy to use would be Indium / Lead to reduce tin dissolution into the gold and avoid the resultant brittle intermetallic compound. However, a re
Electronics Forum | Fri Aug 13 08:14:38 EDT 1999 | Peter Barton
| Ladies and Gentlemen, | | As a newly appointed DFM/CE "guru" here, one of my responsibilities has become repair (of course). As I have some knowledge of BGA repair/rework using semi-automated equipment, it naturally follows I would hav tremendous
Electronics Forum | Fri Jul 30 10:30:23 EDT 1999 | Wolfgang Busko
| | | While inspecting incoming PCBs we detected around all plated-through-holes (only there and all in the same place) some halfmoonshaped light rings that match obviously only with the pink ring symptom shown in the IPC-A-600 chapter 2.5.2.. That w
Electronics Forum | Wed Jun 02 15:54:26 EDT 1999 | Dave F
| ok, ok, so I'm not an engineer. I'm a salesguy ( and that's nothing to be ashamed of...) Here's my dilemma. I represent a contract manufacturer who is in the early stages of quoting on "turnkey" assembling of a circuit board for a manufacturer
Electronics Forum | Thu Jun 03 12:37:16 EDT 1999 | John Thorup
| | ok, ok, so I'm not an engineer. I'm a salesguy ( and that's nothing to be ashamed of...) Here's my dilemma. I represent a contract manufacturer who is in the early stages of quoting on "turnkey" assembling of a circuit board for a manufacture
Electronics Forum | Fri Jun 04 06:58:59 EDT 1999 | S. Kopetzky
| | | ok, ok, so I'm not an engineer. I'm a salesguy ( and that's nothing to be ashamed of...) Here's my dilemma. I represent a contract manufacturer who is in the early stages of quoting on "turnkey" assembling of a circuit board for a manufactu
