Electronics Forum: dave f formula smt (Page 1 of 33)

Re: footprint formula

Electronics Forum | Wed Mar 08 21:11:41 EST 2000 | Dave F

Jack: I'll think about the latter point over my next McEwan's. Dave F

Re: footprint formula

Electronics Forum | Wed Mar 08 21:11:41 EST 2000 | Dave F

Jack: I'll think about the latter point over my next McEwan's. Dave F

Re: footprint formula

Electronics Forum | Wed Mar 08 21:16:38 EST 2000 | Dave F

Wolfgang: I agree that the IPC pads are reflow / top side wave solder. We run bottom-side PCLL at 45� to the wave with fairly involved solder thieves. Ta. Dave F

Re: footprint formula

Electronics Forum | Wed Mar 08 21:16:38 EST 2000 | Dave F

Wolfgang: I agree that the IPC pads are reflow / top side wave solder. We run bottom-side PCLL at 45� to the wave with fairly involved solder thieves. Ta. Dave F

Re: footprint formula

Electronics Forum | Fri Mar 03 10:12:41 EST 2000 | Dave F

Jack: "Calculator/Other" works for me. But you know what, I'll bet they block Scotts from using it, because they're reputed to be too cheap to buy the standard. ;-) (Your component is in the standard. ;-)) If you can't get the supplier to help and

Re: footprint formula

Electronics Forum | Fri Mar 03 10:12:41 EST 2000 | Dave F

Jack: "Calculator/Other" works for me. But you know what, I'll bet they block Scotts from using it, because they're reputed to be too cheap to buy the standard. ;-) (Your component is in the standard. ;-)) If you can't get the supplier to help and

Re: Double sided smt

Electronics Forum | Tue Nov 09 21:27:13 EST 1999 | Dave F

Gary: This could be messy is some applications, because Bi will form an alloy with lead with a melting point of 93�C. My2� Dave F

testing smt boards

Electronics Forum | Sat Dec 03 02:10:59 EST 2005 | Homer J

1. What are we talking about: pcb:s or pcba:s? 2. What exactly do you want to attain with this board test? 3. Are you a pcb manufactor or a pcba manufactor? 4. You did not mention what type of boards you want to test? 5. Mechanical, operating enviro

Re: smt on flexible board

Electronics Forum | Mon Dec 20 17:34:17 EST 1999 | Dave F

Ron: Chris is correct that there is a bunch of fixture fabricators that make good products that will serve your purpose. Other fixture fabricators can be found in the archives. Problems with these fixtures are: 1 Out-rageously expensive 2 Very lo

Re: smt reliability vs thru hole

Electronics Forum | Wed Jan 19 22:24:19 EST 2000 | Dave F

Dave: Try: http://rac.iitri.org/ they might be able to help. Good luck. Dave F

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