Electronics Forum | Fri Sep 27 01:28:58 EDT 2019 | drew_holm
HI, we are trying to reduce the noise from an off the shelf pcb that will be used in the mri industry. We have been able to reduce quite a bit of noise using copper mesh but we still have more to go. So we think we now have to consider the board c
Electronics Forum | Fri Jul 13 10:35:07 EDT 2007 | nurquhar
Do you think it would be possible to make a home made vapour phase machine for say $500. What I am think is making an 18 inch square cube type box with a transparrent lid out of s/s or copper. Fit some heating element to the base to heat the liquid
Electronics Forum | Sat Aug 13 23:53:02 EDT 2016 | sarason
A Screen printer is similar to a stencil printer,except the screen isn't made from a piece of brass, copper, plastic or stainless steel, with laser cut holes. The screen has a stainless steel , silk or polyester mesh, which is then dipped in a photos
Electronics Forum | Thu Jul 20 12:49:05 EDT 2000 | Bob Willis
So far on all my trials on PIHR I have only used standard products as the paste is defined by the printing requirements for fine pitch etc. As most people will have seen you just get a heap more residues with this process and even more with lead free
Electronics Forum | Wed Jun 03 11:17:17 EDT 1998 | Brian Stumm
If your board is single sided you should convey it on a mesh belt conveyor. Unfortunately most assemblies these days are double sided which makes it difficult to convey on the mesh belt. Plus with the increasing population on SM boards the weight is
Electronics Forum | Wed Jun 03 14:37:53 EDT 1998 | Anthony
I really appreciate everybody taking the time to help me out with this problem. I'm going to run your input by the design engineer, after that I may be taking you up on that offer to contact you Earl. Again; thank you! Anthony | If your board is si
Electronics Forum | Thu Feb 13 03:49:15 EST 2014 | jlawson
Yes all above is correct, as solder deposits get smaller and mesh T4+ , actual metal to air contact surface area increases , say in contrast to T3, add to this less flux , and flux running away from the joint, re-oxidation and what flux is left, can
Electronics Forum | Tue May 23 20:44:13 EDT 2000 | Dave F
Sal: You and Wolfgang are spot on, but let's see if we can blow this out a bit. Before proceding to rattle on ... � PC Card. A credit card-size computer peripheral that add memory, mass storage, and I/O capabilities to computers in a rugged, compa
Electronics Forum | Tue May 30 21:09:30 EDT 2000 | Dave F
Dennis: Direct metalization is more of an European phenomena than a US one. Not to say that good things don�t come out of Europe. As background: Direct Metallization. In circuit board fabrication, an alternative to electroless plating makes the
Electronics Forum | Thu Sep 16 12:06:29 EDT 1999 | Scott S. Snider
| | | Hi, | | | | | | Can someone pls suggest to me the best reflow temperature setting | | | for a force air convection oven. The details is as follow. | | | 1) Heller 1700s | | | 2) 12 zone---6 top and 6 bot | | | 3) Solder paste --- Qualitek 691
