Electronics Forum | Wed May 07 09:21:46 EDT 2003 | davef
Here's some papers: * �Voiding Of Lead-Free Soldering At Microvia�; Dr. Hyoryoon Jo, B. Nieman, and Dr. N.C. Lee Indium Corporation of America; SMTA International; 09/22/2002 * �Solder Joint Formation With Sn-Ag-Cu And Sn-Pb Solder Balls And Pastes�;
Electronics Forum | Tue Aug 18 16:16:36 EDT 2020 | charliedci
We have a Glenbrook Jewel Box 70T, purchased about 5 years ago, Think it was around $60K quoted price (we traded in our old Glenbrook for a discount), Software pretty basic, can store images and has some graphics and image processing capability. It h
Electronics Forum | Wed Mar 06 21:24:09 EST 2002 | davef
How could you know if your printing process is capable or in control if you don't have a print measurement tool? You�re correct that you do need a measurement tool to determine if the process is capable or in control. A $1.5k microscope and some g
Electronics Forum | Wed Jan 08 10:54:19 EST 2003 | dphilbrick
As Russ says this should process well the BIG BUT..T is what are you using to process this part! How old / capable is your equipment. Screen print quality is a must. Placement accuracy is critical and reflow stability is important. So the answer is d
Electronics Forum | Wed Mar 18 13:21:26 EST 1998 | Earl Moon
| Cpk's on top flight ovens (e.g., Conceptronics, Heller, Electrovert, Vitronics) vary wildly, from 1 to 2+, between different supplers. The suppliers don't seem to understand Cpk's. A supplier's rep whose oven has a Cpk of 1.0 told me: | 1. Cpk's
Electronics Forum | Thu Aug 15 09:06:59 EDT 2002 | davef
Very short list of strategies: * Accept only products are designed to be manufactured and tested. * Assure components are of the proper form and are solderable. * Make sure your processes are capable and in control. * Provide lots of training for you
Electronics Forum | Thu Sep 09 13:17:27 EDT 1999 | Brian W.
| | I wonder to knock this site with this question? | | Are there some body have applied 6 SIGMA TOOL to improve | | the smt process or etc. especilly smt process is better. | | I want to hear the difficulties to apply this tool. | | and experienc
Electronics Forum | Mon Oct 25 15:45:11 EDT 1999 | Dave F
Joe: Lemme see, you�re talking about controlling your manufacturing process within 4.6 defects per 100 opportunities or a 4,600 dpmo rate, a cumulative 99.95 acceptance rate, or a �2 sigma process, right? So, it�s fairly basic stuff, eh? First, yo
Electronics Forum | Wed Sep 15 16:18:58 EDT 1999 | Dave F
| Hello Everyone: | | I'd like to know How I Can get the CPK for a Fuji Machines? | If some body could help me please let me Know. | | Regard | | Gerardo Rodriguez | Gerardo: You determine Cpk on a Fuji machine the same way you do it on an
Electronics Forum | Thu Jan 16 16:04:31 EST 2003 | MA/NY DDave
Hi Well I don't agree with Mr Fox. Cp and Cpk i.e Capabilitiy studies always yield good results and add vigor to the engineer and the process. You might want to hire a consultant or go to some classes to make sure you do this correctly for your si
