Electronics Forum | Wed Aug 12 04:52:54 EDT 2009 | sachu_70
A client document mentions the following: "PCBA to comply with IPC class-2 guidelines, and performance grade 2 for components." What does "performance grade 2 for components" mean? Would appreciate your help.
Electronics Forum | Thu May 24 07:09:04 EDT 2007 | aj
Any advice with using this type of PCB material would be welcome. aj...
Electronics Forum | Fri Jan 23 13:20:44 EST 2015 | daniellarios
Well both materials are thermo plastics and recyclable. But it is diffficult to separe into streams. Do you have any process to do this?
Electronics Forum | Wed Feb 04 22:01:48 EST 2015 | daniellarios
But do you separate this waste from others. Or do you separate by plastic? Because if you do the second it would be easier to find a way to recycle. Do you use an optic sorter ?
Electronics Forum | Wed Oct 15 10:50:00 EDT 2014 | proy
Can anyone suggest what plastic type SMT tapes for mostly embossed/deep pocket tapes are for recycling? I am talking about semi clear type, for 16/24mm widths usually pocketed. The black tapes we get from our Tape and reel supplier are thermo forme
Electronics Forum | Wed Feb 04 21:44:58 EST 2015 | proy
Well both materials are thermo plastics and > recyclable. But it is diffficult to separe into > streams. Do you have any process to do this? I can sort them and keep them separate, the problem I am having is finding a way to get titis properly in
Electronics Forum | Fri May 25 08:06:19 EDT 2007 | davef
Soldering PTFE boards * Exposure to the high temperatures needed for solder reflow poses no problem of loss of peel strength since the exposure times are relatively short. * There are many different types of PTFE based products that may perform diff
Electronics Forum | Wed Oct 15 15:52:36 EDT 2014 | davef
VTEK says …” Carrier tapes are made from three primary materials. (All are manufactured in accordance with EIA standards) 1 Polycarbonate is a black plastic material with excellent impact strength. It is used primarily for bare die and small form fac
Electronics Forum | Mon Apr 25 22:56:44 EDT 2005 | davef
rush316 First, no one stated that PBB and/or PCBE are in FR4. FR4 contain tetra-bromo-bisphenol A [TBBA]. Second, there are classes [and grades] of dielectric materials used in fabricating printed circuit boards. Grades, NEMA LI-1. From these gr
Electronics Forum | Thu Apr 28 22:10:02 EDT 2011 | Jacki
Dear Dave Thanks for your advice.I dun know why flux can't use alone w/o adding other solvents. is it neccessary? Now, our flux density is 0.88. By the way, we use Hi Grade Flux 1080.
