Electronics Forum | Mon Jun 15 16:31:25 EDT 2020 | rgduval
You may find some wetting issues running LF HASL with 63/37, as your reflow temperatures will be significantly below the LF reflow. On fiducials...if you don't have a quote for your boards with ENIG, I would recommend at least checking it out. It's
Electronics Forum | Thu Dec 10 22:36:03 EST 2020 | solderingpro
I represent PROMATION USA and we have several solutions for solder wire perforation: Our QUICK 372B is a stand-alone drilling station. Our QUICK 371DI is a semi-automatic hand soldering station with perforation technology. Our QUICK 300A/B is a d
Electronics Forum | Thu Dec 22 10:52:32 EST 2011 | davef
[ Removed by demand of Praxiom Research.. See their "request" below] Subject: DMCA copyright infringement takedown notification Date: Fri, 12 Jul 2013 12:52:40 -0600 From: Praxiom Research Group Limited To: , , , Attention: Copyright Agent, S
Electronics Forum | Fri Nov 20 00:16:24 EST 2015 | bwetman
Hyperterminal is a standard Windows assessory located in the "Communications" folder.Here are some steps of data received through the hyperterminal in the PC. (1)Connect your device with your system through RS-232 cable or USB-to-Serial adapter and c
Electronics Forum | Mon Dec 23 13:18:04 EST 2013 | stustu
I'm fairly new to SMT, but highly experienced in other materials engineering areas. But have found the definitions/specifications for pastes to be both confusing and inadequate. I have often see graphical representations of the "desired" thermal pro
Electronics Forum | Tue Aug 03 17:28:33 EDT 1999 | DLKearns
| | | I have been asked to supply a maximum shelf life for our assemblied PCB's. I realise this is dependent on so many factors- temperature, humidity, no of layers etc. But does anyone have a formulae for calculating shelf life, or does anyone know
Electronics Forum | Mon Sep 13 05:02:19 EDT 1999 | Brian
| We have a product, with various PWBs, with over 600 parts each one (We are a low Volume/high mix company with an average component placement per PCB between 250 to 300 parts). This PWBs have 7 to 10, 20 mils pitch parts. We are having problems with
Electronics Forum | Wed Jun 24 23:52:41 EDT 1998 | Phillip Hunter
| Has anyone seen a problem with solder under chip components, in-between the glue and the component or in-between the mask and the component? We seen both. | What could be causing this? This has only been detected on one of our products. All the re
Electronics Forum | Wed May 27 10:15:52 EDT 1998 | Doug Romm
Just wanted to add a few comments on the discussion of how to identify palladium parts. Generally, there is no "clear-cut" way to identify Pd versus Sn/Pb. It mainly comes with experience. Any part that is is plated prior to being trim/formed will
Electronics Forum | Tue Apr 21 16:33:57 EDT 1998 | Cunli Jia @ SMTnet
Should this Forum be used for unsolicited sales? SMTnet has stipulated (in the FAQ page) that the SMT Forum messages are meant to be technical and not to be used for unsolicited advertising. However, we have not enforced this rule since 1, there