Electronics Forum | Thu Sep 29 10:21:11 EDT 2011 | davef
1. Floor loading requirement - The designer of your factory building specified the flooring with a certain floor loading capability. You need to determine that capability. You plan to install machines and equipment. You need to determine the weight o
Electronics Forum | Thu Aug 10 13:12:10 EDT 2000 | Bob Willis
You may care to review the following from my Circuits Assembly page on line. "HOW FLAT IS FLAT AND DO WE NEED FLAT CIRCUIT BOARD, YES WE DO ? As production problems go there is one that keeps reoccurring time and time again. The blame is usually di
Electronics Forum | Fri May 15 17:31:04 EDT 1998 | Steve Abrahamson
| | | | We had some failures on an IC package that the manufacturer has put down to moisture inside the package, leading to popcorning. | | | | This seems a bit odd, the package is a PLCC 84 which is quite thick. I have only seen this problem on thin
Electronics Forum | Tue Apr 27 09:31:45 EDT 1999 | Robert L. McCallum
On circuit board assemblies first pass yields need to be above 98%, if a supplier is below this level it is a indication that: he has poor control of the manufacturing process; Poor component selection (price over quality; excepted a poor design from
Electronics Forum | Mon May 23 14:16:28 EDT 2022 | spoiltforchoice
OK, well as a small CEM I've dabbled in this area because when you are small you end up doing some of this work in house without specialist web knowledge. This frankly isn't easy, as you are selling a service rather than a physical product and hundr
Electronics Forum | Fri Jul 10 15:27:10 EDT 1998 | John Bashe
50k chips each, which is equal to (5) 7" reels). These are the 2 main influences on practical machine efficiencies. Additionally, storage areas for component inventories can be significantly reduced in size. The never-ending drive to reduce the cost
Electronics Forum | Thu Jan 10 17:19:35 EST 2002 | George Polychroniou
Hi Dimitry: We are a vertically integrated provider of electronic manufacturing services based in Massachusets. Because of our diverse manufacturing capabilities (sheet metal, PCB assembly, plastic molding) we supply quality cost effectovely. Pleas
Electronics Forum | Mon Nov 03 11:13:44 EST 2003 | ADAM
Guys When stripping conformal coating from an entire assembly, how do I know the stripping solution won't damage anything on the PCB ? stuff like electronic sensitive devices, wiring, labelling and plastic hinges. And secondly when conformally coati
Electronics Forum | Mon Jun 21 07:48:23 EDT 2004 | BobL
Contact Jim Marquis at Kimchuk, Inc. (203) 790-7800. They are marketing a rack and stack product that allows you to store the pc boards flat. It is esd safe and eliminates damage from handling boards. I have been in electronic manufacturing for 20 ye
Electronics Forum | Mon Mar 07 20:22:05 EST 2005 | KEN
Here are some general rules for lead free wave solder: Noble aloys will cost more. Period. The cheapest metal on earth is lead. Costs can only go up in Lead Free. Consumer grade and class 2 electronics will most likely use Tin / Copper for wave.
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