Electronics Forum | Mon Mar 07 21:37:42 EST 2005 | ABHI
It depends on your product requirements. I have seen aluminium wire bonding operations in as high as class 100K clean rooms. These are the assembly areas for calculators. The best is class 10K clean room for wire bonding. You can go upto fine pitch w
Electronics Forum | Fri Oct 19 13:57:17 EDT 2007 | Michael Konrad
Hi Rob, I must take issue with your statement �By definition, no clean solder can be not-cleaned�. All no-clean fluxes can be cleaned. Whether or not one cleans no-clean depends on a variety of factors. More than eighty percent of all post reflow
Electronics Forum | Mon Sep 27 21:08:11 EDT 2004 | davef
Danny: Beyond the US$40k that you mention for the machine, how much money should be budgeted for: * Facilities cost for spray room contruction, venting / filtration, fire proofing, etc? * Operating costs, such as training, maintenance, operation, et
Electronics Forum | Thu Aug 26 22:32:04 EDT 2004 | Indy
Hey, We have introduced a Cleaning Pen from Chemtronics. It removes excess flux after touch up.. This way the operator doesn't have to go everytime to the cleaning room.. Indy
Electronics Forum | Fri Jun 24 08:47:14 EDT 2005 | grantp
Hi, There are many aspects to consider. 1. Firstly the room needs to be designed so it's sealed, so linoleum floors than curve where the wall meets the floor, so dirt does not get trapped in the corners, and mops get all dirt and pick it up. Floor
Electronics Forum | Mon Nov 06 13:35:10 EST 2006 | Theresa Spear
We are starting up a new clean room for SMT production and wondering if anyone is aware of any guideline for operating humidity and temperature ranges for the room. We know that the MSD's will prefer it to be dry and cool. However, there are other f
Electronics Forum | Thu May 04 11:07:23 EDT 2006 | JW
Hello, During a recent customer audit, one of their auditors asked if we measured airborne particles in our SMT operation area. Within their operations, they mentioned a concern when placing micro-BGA's. My question is: do some SMT lines use a pseudo
Electronics Forum | Mon May 01 19:49:36 EDT 2000 | dave A
Do yourself a favor and hire someone who's been there done that. If your not familiar with the equipment or the operation of SFMT the industry can be overwhelming. Since the cost of installing a line can be expensive, there's no room for error.
Electronics Forum | Tue Jun 22 17:37:51 EDT 1999 | Dave F
| I was wondering if anybody could give an estimated cost of equipment maintenance per year for a complete SMT line for | a medium volume facility? | John: Budgeting for maintenance from two perspectives: 1 We budget 1 percent of the capital cos
Electronics Forum | Tue Jan 10 08:43:10 EST 2006 | jax
There is no set formula. You need to customize this number around your operation. Depending on how you account for: Capital Equipment Costs Utilities Building Costs Overhead services Consumables ( Flux, Paste, Glue, ...... ) Once you get the costs
