Electronics Forum | Tue Apr 24 02:07:27 EDT 2001 | joe
It's not so much of a change but a new investment. We have Siplace lines now, and very pleased with the performance. The reason for looking at the Mydata is to remove all the small stuff from the faster lines and reduce changeover times. The idea is
Electronics Forum | Wed Nov 29 08:33:05 EST 2000 | Dave F
No, the specific question is on the "Soldering & Rework" disk. Yours is a good approach to updates. [No lakeside baronal mansion, eh???] I have sent a list of unusual questions to Evelyn that includes the above example. It's difficult to document
Electronics Forum | Thu Oct 26 16:38:08 EDT 2000 | Philip A. Reyes
Hi Sir Charles! Good Day! I hope you can help me about my queries. 1. What is the acceptable misregistration or misalignment of balls after reflow soldering of PBGA module on the PCB? 2. Is there any criteria for solder ball defect or solder beads
Electronics Forum | Fri Sep 15 05:48:24 EDT 2000 | carsonho
Have any experience that Sn/Pb plated integrated circuit products will appear some rainbowbridge-like substance after exposing at conditions of 121degC, 100%RH and 15psi for 48hours or above? The rainbow bridge substance was analyzed by EDAX and fou
Electronics Forum | Fri Sep 15 05:48:11 EDT 2000 | carsonho
Have any experience that Sn/Pb plated integrated circuit products will appear some rainbowbridge-like substance after exposing at conditions of 121degC, 100%RH and 15psi for 48hours or above? The rainbow bridge substance was analyzed by EDAX and fou
Electronics Forum | Tue Aug 22 11:03:45 EDT 2000 | Dr. Ning-Cheng Lee
Hi Kelvin, Regarding to the surface finish of the leads, Sn or Pd may be the direction that the industry takes. First of all, the answer must be "Pb-Free", limiting our choices. Sn has good solderability, and it won't have too great of an impact o
Electronics Forum | Thu Jul 20 17:07:49 EDT 2000 | JACKIE O'ROARK
Hello Bob, I am going to be working with a 5 Mil Flex circuit. There are 2 components to be placed on. I thought of using the conductive glue but after reading your message not recomending it, I am swayed againist it. What is the best way to place
Electronics Forum | Thu Jun 22 17:17:27 EDT 2000 | Bill Schreiber
The U.S. Environmental Protection Agency (EPA) has finally taken a progressive position by creating the Environmental Technology Verification (ETV) Program to verifiy the environmental safety, user safety and efficacy of products prior to their purch
Electronics Forum | Thu Jun 08 10:52:37 EDT 2000 | rolandos1
Hello, My name is Rolando and I want to know more about gold fingers protectors. Our current problem is on SMT line which is used with one board with gold pads and while normal production we get solder paste contaminations on these pads, recently o
Electronics Forum | Tue May 08 08:41:29 EDT 2001 | caldon
Hmmmmm........I am thinking!!!!! Cleaning is the final process in our situation. After cleaning we have no need for the fiducials. Is the haze causing fiducial recognition problems? Ideally what you are looking for is a contrast between fiducial and
