Electronics Forum | Tue Nov 08 22:49:41 EST 2022 | jojoled
Hi, I need help with placing 0402 resistors 90% of them are picked correctly, but are not placed(thrown away) giving me error : LASER retry over. Slightly higher varistors in same package have slightly better placing rate, about 50%, but still not su
Electronics Forum | Fri Sep 17 04:17:10 EDT 1999 | Brian
| | | I am not familiar with the "mil" metric. How many inches is in 1 mil? | | | | | | ...or 10 mil? | | | | | | | | each mil = .001" | | | | Earl Moon | | | At risk of informing someones grandmother on the art of removing the contents of an e
Electronics Forum | Fri Sep 17 08:52:01 EDT 1999 | Earl Moon
| | | | I am not familiar with the "mil" metric. How many inches is in 1 mil? | | | | | | | | ...or 10 mil? | | | | | | | | | | | each mil = .001" | | | | | | Earl Moon | | | | | At risk of informing someones grandmother on the art of removing
Electronics Forum | Mon Jun 23 04:00:43 EDT 2003 | Paul Cooper
Hi there There are a number of things worth considering when viewing bga's. Firstly, like any other solder joint that you have been inspecting for years, suface finish is critical. Secondly, and again like other joints shape is important. Now it may
Electronics Forum | Fri Jan 21 14:51:08 EST 2000 | Dave F
Mike: I�d hate to see you making design decisions, based solely on the discussion here, but that this would be an impetus to consult IPC-D-279, "Design Guidelines ... " and take a course on designing reliable boards. Werner Engelmaier (Engelmaier
Electronics Forum | Wed Jul 20 16:51:03 EDT 2005 | pjc
There is a spec I read that states +/- 0.001" (0.025mm) print deposition accuracy and repeatability is more than adequate for 0201-chip printing. I don't think any print studies where done for 01005 chips yet. There are several other factors besides
Electronics Forum | Mon Jan 16 16:19:22 EST 2006 | davef
Dunno. 4% higher standoff results in 16% higher reliability [�The Effects of Solder Joint Voiding on Plastic Ball Grid Array Reliability� Banks, Donald R., et al.; Proceedings of the Technical Program - Surface Mount International; September 10-12,
Electronics Forum | Tue Jun 07 08:31:57 EDT 2011 | bootstrap
I am building a rugged digital video camera product that essentially is just a sandwitch of 3 parts: #1: front piece is machined aluminum with C-mount thread #2: middle piece is 1/16" printed circuit board #3: back piece is machined aluminum The
Electronics Forum | Fri Sep 17 10:07:40 EDT 1999 | Brian
| | | | | I am not familiar with the "mil" metric. How many inches is in 1 mil? | | | | | | | | | | ...or 10 mil? | | | | | | | | | | | | | | each mil = .001" | | | | | | | | Earl Moon | | | | | | | At risk of informing someones grandmother on
Electronics Forum | Fri Sep 17 10:33:07 EDT 1999 | Earl Moon
| | | | | | I am not familiar with the "mil" metric. How many inches is in 1 mil? | | | | | | | | | | | | ...or 10 mil? | | | | | | | | | | | | | | | | | each mil = .001" | | | | | | | | | | Earl Moon | | | | | | | | | At risk of informing some
