Electronics Forum | Tue Mar 01 08:21:37 EST 2005 | David Bratcher
What thickness is required to process a double sided board with white tin? Is there an IPC standard? If rework is necessary, what is required?
Electronics Forum | Tue Oct 17 12:07:58 EDT 2006 | pms
ya don't need no stinkin pads. just run sum fine gauge insulated jumpah wires from da I.C. legs (da ones with da missin pads) to da traces or where-ever dem traces end up. dat should get er dun !!!!
Electronics Forum | Tue Feb 22 17:45:45 EST 2005 | Austinj
Heller 1500 Convection Reflow Ovens are a five zone upper/lower reflow oven. Petlock currently has two listed with specs and pictures. Here's a link for more info. NOTE: I do not work or have any affiliation with PETLOCK http://www.petlock.com/used
Electronics Forum | Tue Mar 01 10:21:55 EST 2005 | davef
IPC Plating Committee is presently working on a specification for immersion tin [IPC-4554 Specification for Immersion Tin Plating for Printed Circuit Boards] as a solderable surface finish. Immersion tin is normally deposited at 30 to 60 microinches.
Electronics Forum | Wed Oct 18 07:51:14 EDT 2006 | davef
Look here: http://www.circuittechctr.com/ As a low cost approach, use copper foil purchased from a stained glass window hobbyist shop. Cut foil pieces to size with a sharp knife. Epoxy the pieces in place of the damaged pads. Tin and then solder th
Electronics Forum | Fri Nov 11 03:19:29 EST 2022 | angela t
There is a big difference between SMD and SMT. One term denotes a device and the other a process.SMD, or surface mount devices, are electronic resistors that sit on a printed circuit board (PCB).SMT, or surface mount technology, is a method of placin
Electronics Forum | Tue Oct 13 08:42:38 EDT 1998 | Wayne Bracy
| how to buy a used or new equipments for pcb industry | and a good s/w for design and simulation | Eng\Hossam Alzomor | Egypt | Hossam: Suggest you start right here. Check out the Industry Directory for manufacturers and the type of PCB / SMT eq
Electronics Forum | Wed May 26 05:05:04 EDT 2004 | curious
hi, we have a batch-rework for a axial 2-lead LED component. we are thinking of bending both ends of the axial-leads into a L-shape at 90degree angle, and solder the flat-end of the L-shape flatly to the PCB's SMT pad. hope the experienced guys/exp
Electronics Forum | Sat Mar 05 22:44:44 EST 2005 | gpaelmo
You can also try the Florida Circtech website or call them direct. There is a min. thickness requirement and if the board house does not follow it you will end up with scrap boards after the second pass (from experience). I even sent blank boards to
Electronics Forum | Tue May 30 10:55:57 EDT 2006 | bryanhewson
I am a lay person researching the application of non-woven material in stencil rolls either using branded material or non-branded alternatives for DEK, MPM Panasonic machines in SMT environments. I have read a number of articles referring to aqueous
