Electronics Forum | Sun Jun 20 06:30:49 EDT 1999 | Scott Cook
| Do anyone have any experience on assembling high frequency product, 1.8GHz or 2.4GHz. | | In our production line, we manufacture 1.8GHz product with using no clean paste (RMA type) for reflow and no clean wire for rework. In our functinal test,eit
Electronics Forum | Fri Jun 18 14:06:15 EDT 1999 | John Thorup
| | Now don't everyone jump on this at once, but it seems time for me to send out copies of my not even close to being dated copy of an article about HASL. Though it was published in 1992, in Printed Circuit Fabrication Magazine, and it got rave revi
Electronics Forum | Sat Jun 05 00:02:24 EDT 1999 | Dean
| Any of you Process/Manufacturing Engineers, techs, etc..or those of you who 'have a clue' about this stuff been victimized by (clueless and uneducated) Manufacturing Supervisors and (clueless and uneducated) Managers who blame EVERYTHING on YOU, th
Electronics Forum | Wed Jun 02 07:23:04 EDT 1999 | Earl Moon
To you all for comment and summary, The following things I like without endorsing (PCB/PCBA stuff - outside the great women in my life [many] and without [mostly]): 1) A good set of design rules 2) A good set of design rules meeting producibility r
Electronics Forum | Sun May 30 11:43:23 EDT 1999 | M Cox
| | | Is it possible to place parts that do not have leadframes exposed when looking from the top side of the part such as BGA's using a Fuji IP1 with a SMD1 vision (Binary) system. I realize that the IP1 does not have front lighting but according to
Electronics Forum | Mon May 24 09:52:06 EDT 1999 | john thorup
| | | Has anyone had any experience or data using vibration during the reflow process. | | | We introduced a vibration device attached to the fixed rail on a Vitronics reflow oven. The reason was to prevent skewing on large PLCC devices. The process
Electronics Forum | Wed May 19 14:58:31 EDT 1999 | Wendy Casker
John, Thanks for the advice. I spoke with some of the connector suppliers apps guys today and they have what is called "European" style tooling which consists of top and bottom tooling. The board sits on rails and the Bottom tooling receives the pi
Electronics Forum | Fri May 14 15:03:19 EDT 1999 | lima
| | Does anyone know of any industry guidelines for the exhausting of volatiles in reflow ovens? I've seen some numbers like 1,000ppm for the oven atmosphere, but is this typical? | | | | My concern is the volatiles in my WS629 solder paste may be
Electronics Forum | Tue May 11 00:47:59 EDT 1999 | P.L. Sorenson - Technical Consultant
| | | | | | | I left the company before this thing ever got resolved, so I don't know the answer, but here's what we did to get boards out the door. Baked them in a desicating oven. You know, the kind that pulls vacuum? It was a regular overnigh
Electronics Forum | Tue May 11 06:30:41 EDT 1999 | Joe Byrde
| | | | | | | | | | | I left the company before this thing ever got resolved, so I don't know the answer, but here's what we did to get boards out the door. Baked them in a desicating oven. You know, the kind that pulls vacuum? It was a regular