Electronics Forum | Thu Mar 04 17:10:19 EST 1999 | Earl Moon
| Our vendor proposed to supply us with shields made out of Cold Rolled Steel (CRS) electroplated with Sn (50 - 150 minches). Should I be concerned with solderability or are there a better alternatives to tin finish? | No matter the base metal, elec
Electronics Forum | Sun Feb 15 10:47:16 EST 1998 | SMT-ASSY
In reference to your Email response, we will propose to you in the next few days a course curriculum which we hope you will find of great interest. As we told you we offer courses for assemblers and techs in PTH, SMT soldering, SMT full process using
Electronics Forum | Tue Jul 18 03:52:57 EDT 2000 | Jeff Sanchez
Dave, I will take a stab at this. Haveing not had the opertunity to be stuck in such a jam. I would take a piece a aluminum and cut out a whole the size of the shield.The aluminum plate should be the size of the board or larger. Use stand offs to
Electronics Forum | Thu Nov 02 00:04:46 EST 2006 | slifer71
Hi, I am having some difficulty in soldering thruhole parts using leadfree solder specially when soldering ground terminals and installing a metal shield. I have already used Rosin leadfree solder but its not that effective particularly on a thick b
Electronics Forum | Mon Feb 22 10:01:01 EST 2010 | jtsyeung
Since the inductor is electro-magnetic, that means the device is composite of coil and ferrite metal. The inductor inside the reflow oven meets with blower motors which close to the inductor and generate magnetic field. With such conditions, Lawren
Electronics Forum | Thu May 07 20:28:35 EDT 2009 | davef
From our notes, the following is a series of snips from: "Copper Dissolution in Tin" LJ Turbini, PhD, adjunct faculty member, University of Toronto, Materials Science and Engineering, SMT 2/07 As the solder becomes molten, copper from the board diff
Electronics Forum | Wed Dec 10 10:05:07 EST 2003 | davef
We do not have experience soldering to the PVD surface you plan to use. We use Titanium [Ti] stiffeners in wave soldering and our wave equipment manufacturer uses Ti fingers, nozzles, pump blades, and other parts, because solder doesn�t stick to Ti.
Electronics Forum | Mon May 14 17:12:20 EDT 2001 | davef
Continuing along the path that Brian took ... IPC-7525 gives design guideline for stepped stencils. It goes something like: * Stepped area SB GT 25 thou from pads located on the greatest thickness of the stencil * Pads in stepped area SB GT 35 tho
Electronics Forum | Thu Jul 13 22:20:38 EDT 2000 | Dave F
=10 mils larger than lead 3 silk screen legend text weight >=10 mils 4 pads >=15 mils larger than finished hole sizes 5 place through hole components on 50 mil grid 6 no silk screen legend text over vias (if vias not solder masked) or holes 7 so
Career Center | Williamsburg, Kentucky USA | Engineering,Production,Quality Control
SKILLS My computer skills are fluent with experience in Microsoft Word, Internet, WordPerfect and Microsoft Works. I have an extensive electronics background. I can type 40 wpm. I am multi-skilled with a vast knowledge in electronics and over 10 y
