Full Site - : 20k on circuit board (Page 30 of 39)

Re: Ghost circuit shorts under smt resisters only when they are located on solder side of pcb (glued down)

Electronics Forum | Fri Jul 30 09:43:44 EDT 1999 | C.K.

| We are having a process related problem with pullup resistors on a controller card which has a I960 micro-processor. | The controller monitors signal inputs and it's own resources then blinks a LED to indicate its working. The problem is that after

Can i get my scimatic diagram printed on board by any industry. Can any one tell me the name of that industry.

Electronics Forum | Sun May 06 01:02:35 EDT 2018 | yashveer_singh

Can I get my schematic diagram printed on PCB by any industry? If i give them my circuit drawn in any software like Eagle, Cad etc. Can anyone tell me the name of that industry?

0201's on large boards

Electronics Forum | Thu Jun 15 07:20:23 EDT 2006 | William G.

How are your experiences with stencilling 0201 components on large circuit boards, i.e. 400 * 250 mm ? Will there not be too much mismatch between between stencil and (FR4) boards? If so, would dispensing be a solution? Any other solutions?

ROI on AOI Machines

Electronics Forum | Mon Jul 07 21:08:17 EDT 2003 | sam

I have an experience about AOI that it is necessary in a complicated PCB. Due to the final circuit design, the concerned PCB were having nets on the boards, that the Open/Short could not be identified by traditional In-Circuit testers. Some long tr

Question on Solder Paste

Electronics Forum | Sun Aug 25 07:15:55 EDT 2002 | cnoonan

What are the industry standards for eutectic solder-paste in conjunction with the life span of solder-paste. What is the recommended duration of solder-paste on a printed circuit board. Example: You print a board, how long can it sit before runnin

Oxidation on PCB's

Electronics Forum | Sun Aug 03 08:27:41 EDT 2008 | davef

IPC-4553, Specification for Immersion Silver Plating for Printed Circuit Boards, 1.4.1 Solderability. This primary function of IAg is to provide a solderable surface finish, suitable for all surface mount and through-hole assembly applications and wi

Questions on underfill process

Electronics Forum | Fri Jun 08 07:52:13 EDT 2007 | zanolli

We are looking at a specialized method of direct soldering ceramic circuit modules (maybe 40mm square) to a mother board with solder joints on only 2 of the 4 sides. These modules would be oriented horizontally, or mezzanine like, to the mother board

ECOs on OSP finish

Electronics Forum | Sat Jun 30 11:28:24 EDT 2001 | davef

Consider using a roll solder with a flux that well matches the residues you can accept to be remaining on the board when you get finished processing. Many people use a no-clean flux cored roll solder for such operations, because they don't want to c

SMT on ceramic substrate

Electronics Forum | Wed Aug 22 21:11:25 EDT 2001 | davef

When it works right, it's a beautious thing. => When goes wrong, you have one board with some of the other board's material, not too coo. Scribed and broken ceramic has bad-butt sharp edges. You'll feel this sticky stuff on your hands, look down,


20k on circuit board searches for Companies, Equipment, Machines, Suppliers & Information

Count On Tools, Inc.
Count On Tools, Inc.

COT specializes in high quality SMT nozzles and consumables for pick and place machines. We provide special engineering design service of custom nozzles for those unique and odd components.

Manufacturer

2481 Hilton Drive
Gainesville, GA USA

Phone: (770) 538-0411