Electronics Forum: smt production floor temperature control (Page 1 of 8)

SMT production

Electronics Forum | Wed Aug 10 04:15:01 EDT 2005 | vinitverma

Ari, I would suggest you make a checklist of all your requirements (not just large scale production) and prioritize them with weights assigned to each. Fill in the checklist for each equipment and manufacturer and you'll have the results out. I wou

Humidity and temperature

Electronics Forum | Wed Sep 14 04:09:21 EDT 2016 | jimmyh

We are enclosing our SMT room and will control the Humidity and Temperature of the room. Is there a standard for humidity and temperature for a SMT room and if so what is it. What is protocol if it goes out of tolerance? Do we stop production? Is

Static control for shelving

Electronics Forum | Fri Aug 08 18:00:34 EDT 2003 | kenBliss

Hi Bman At the risk of coming off as a �sales type�, you appear to be looking for a solution provider and probably opinions on your ideas. Regarding your method mentioned, This is not the most efficient way to run a stockroom but will work and will

BGA inspection in mass production

Electronics Forum | Fri Nov 22 16:55:30 EST 2013 | hegemon

Head and Pillow defects beneath a BGA are difficult to find, no matter what the equipment is on hand. Since you do not appear to have access to tools that would help you, or $$ to purchase said tools, I might recommend that you use an outside source

smt plant air quality

Electronics Forum | Tue Jun 05 20:25:27 EDT 2001 | davef

Sorry that I'm so late responding. Your new additon probably has 'backee stains on the floor already. Assuming we're talking about a fairly standard board assembly area, you don't need to specify air quality. 1 We specify * Particulate: Level to b

Micro Leadless Frame - solder wetting control

Electronics Forum | Wed May 08 23:18:58 EDT 2002 | ianchan

Hi mates, have this SMT production issue : A) We have a leadless-chip-carrier(LCC) IC package that is classified under the Land-Grid-Array(LGA) package family. B) The LCC is 4mm x 4mm, and has 28 tin plated pads located beneath the outside perimet

Required humidity for SMT production and storage

Electronics Forum | Thu Apr 12 00:56:20 EDT 2007 | Jani

Our SMT production and storage area is air-conditioned, constant temperature is maintained but the humidity is not controlled , the raw SMT material is stored in a "Drier" cabinet, but since we assemble hybrid SMT and thru-hole PCB assemblies, the SM

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

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

Electronics Forum | Mon Jul 26 10:25:12 EDT 1999 | Boca

| | 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 a

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

Electronics Forum | Mon Jul 26 14:14:51 EDT 1999 | Steve Gregory

| | | 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 th

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